Diagram sections — 34 (103 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ELECTRONIC SUSPENSION EMERGENCY VEHICLE SYSTEMS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS NAVIGATION PASSIVE RESTRAINTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 3) for Mercedes-Benz S550 2010 List of elements for Automatic A/C Wiring Diagram (1 of 3) for Mercedes-Benz S550 2010: 39 (left front footwell) w34 (right rear footwell) w17 +12v +5v 12v 58d Aac (kla) control unit (center dash) Can-b h Can-b l Computer data lines system Data Front center air outlet potentiometer Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 15a Fuse 20a Fuse 40a Fuse 5a Gnd Hot at all times Hot w/ chassis circuit 87 relay energized Hot w/ engine circuit 87 relay energized Klb 12v Klb data Klb gnd Left side air outlet potentiometer Lin 12v Lin bus Lin data Lin gnd Lin-bus Mr7 Mr8 Pnk Rear center air outlet potentiometer Red Refrigerant pressure sensor (left front wheelhouse) Right side air outlet potentiometer Sig W34 (left front footwell) Automatic A/C Wiring Diagram (2 of 3) for Mercedes-Benz S550 2010 List of elements for Automatic A/C Wiring Diagram (2 of 3) for Mercedes-Benz S550 2010: 31 (if equipped) a/c water valve (right rear of engine compt) aac multi-function sensor A/c (kla) 4-way sun sensor A/c compressor A/c recirculation unit Air conditioning connector Blower motor Blower regulator Can-e h Can-e l Computer data lines system Coolant temperature sensor (5.5l: front of engine) Egs Electric suction fan engine & a/c w/ integrated control Engine controls system Footwell) Heated windshield control module (w/ special protection) Left b-pillar air distribution actuator motor (left front seat) Left rear center vent flap actuator motor Me-sfi (me) control unit (right rear of engine compt) Pnk Red Right b-pillar air distribution actuator motor (right front seat) Right rear center vent flap actuator motor W/ rear a/c W/o rear a/c W15 (right front computer data lines system W2 (right side of engine compt) X26-c1 X53/1-c1 X53/1-c3 Automatic A/C Wiring Diagram (3 of 3) for Mercedes-Benz S550 2010 List of elements for Automatic A/C Wiring Diagram (3 of 3) for Mercedes-Benz S550 2010: 43 (right front footwell) w15/1 (right of steering column under dash) evaporator temperature sensor (right side under carriage) power electronics control unit 87f Battery management system control unit (right rear engine compt) Can-i h Can-i l Computer data lines system Dc/dc converter control module (right front wheelhouse) Electric refrigerant compressor (left front engine) Engine compartment prefuse box (right rear engine compt) Engine coolant circulation pump (right of radiator) Fresh air/ recirculated air flap actuator motor (right side of hvac unit) Fuse 100a Fuse 60a High voltage fuse box Hot at all times Hv + Hv - Interlock in Interlock out Left center air flap actuator motor Left defroster vent flap actuator motor (left side of hvac unit) Left footwell flap actuator motor (lower left side of hvac unit) Left footwell temperature sensor Left side outlet flap actuator motor Left side outlet temperature sensor Lower left blending air flap actuator motor Lower right blending air flap actuator motor Nca Non-ventilated interior air in-car temperature cockpit sensor Pnk Red Right center air flap actuator motor Right defroster vent flap actuator motor (center of hvac unit) Right footwell flap actuator motor (lower center of hvac unit) Right footwell temperature sensor Right side outlet flap actuator motor Right side outlet temperature sensor Upper left bending air flap actuator motor Upper right blending air flap actuator motor W3/2 (left side of engine compt) X73/2 Fresh Air Emergency System Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010 List of elements for Fresh Air Emergency System Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010: 26 (left rear footwell) w7/1 15c Buzzer emergency C12 Fresh air system Fresh air system diagnostic interface connector Fresh air system emergency control unit Fresh air system emergency pressure medium reservoir solenoid valve Fuse 5a Hot at all times Irritant gas system solenoid valve Irritant gas system solenoid valve double contact relay Left exhaust air flap motor Left exhaust air flap motor polarity- reversing relay Left exhaust air flap motor polarity-reversing relay Overvoltage protection diode Oxygen cylinder pressure sensor Rear fuse box i Right exhaust air flap motor Right exhaust air flap motor polarity- reversing relay Right exhaust air flap motor polarity-reversing relay Solenoid valve W/ medium reservoir solenoid valve W/o medium reservoir W7/1 (left rear footwell) Warning buzzer Fresh Air Emergency System Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010 List of elements for Fresh Air Emergency System Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010: 24 (not used) 58d Emergency vehicle system Fire extinguishing system control module Fire extinguishing system switch Fresh air sensor Fresh air system emergency activate button Fresh air system/fire extinguishing system emergency activate button Fresh air system/fire extinguishing system emergency activate button balance resistor Front sam control module w/ fuse & relay module (left rear engine compt) Mr8 Nca Pas (gas) & special signal system control module Red Solenoid valve Special vehicle multifunction control module (svmcm (mss)) W/ medium reservoir solenoid valve W/o medium reservoir W3/2 (left side of engine compt) Windshield washer fluid pump (right front of engine compt) X203 X203/1 X203/2 X203/3 Rear A/C Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Rear A/C Wiring Diagram for Mercedes-Benz S550 2010: 52 (under left front seat) w18 12v Aac (kla) control unit (center dash) Can-a h Can-a l Can-b h Can-b l Can-e h Can-e l Computer data lines system Coolant circulation pump Coolant temperature sensor (5.5l: top front of engine) Egs Electric suction fan engine & a/c w/ integrated control Engine compartment prefuse box (right rear engine compt) Engine controls system Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 100a Fuse 15a Fuse 20a Fuse 5a Heated windshield control module (w/ special protection) Hot at all times Hot w/ engine circuit 87 relay energized Left b-pillar air distribution actuator motor (left front seat) Left duovalve Left instrument panel fuse box (under left side dash cover) Left rear air conditioning heater exchanger temperature sensor Left rear center vent flap actuator motor Lin (+) Lin (-) Lin bus Lin-data Me-sfi (me) control unit (right rear of engine compt) Pnk Rear a/c control module Rear a/c electronic blower regulator (in rear of center console) Rear blower motor (in rear of center console) Rear evaporator temperature sensor (rear of center console) Rear refrigerant shut-off valve (left front wheelhouse) Red Right b-pillar air distribution actuator motor (right front seat) Right duovalve Right rear air conditioning heater exchanger temperature sensor Right rear center vent flap actuator motor W/ rear window defroster W/o rear window defroster W18 (under left front seat) W2 (right side of engine compt) X18-c4 X53/1-c3 X64/10-c4
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010 List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010: 65 (right front engine compt) esp control module 12v Attention assist sensor Bav a Bla Bls 12v Bls h Bls l Bls m Can e h Can e l Can h h Can h l Clu 12v Clu m Computer data lines system Df hl m Df hl s Df hr m Df hr s Engine compartment prefuse box (right rear engine compt) Front axle brake pressure sensor Front axle inlet solenoid valve Front axle switchover solenoid valve Fuse 25a Fuse 40a Fuse 7.5a High pressure & return pump Hot at all times Left front axle solenoid valve (hold) Left front axle solenoid valve (release) Left front pressure sensor Left front wheel speed sensor (at left front wheel) Left instrument panel fuse box (under left side dash cover) Left rear axle solenoid valve (hold) Left rear axle solenoid valve (release) Left rear pressure sensor Lrws 5v Lrws m Ls a Ls1 Ls2 Mp s Nca Pml 12v Pml a Pnk Rear axle inlet solenoid valve Rear axle switchover solenoid valve Red Right front axle solenoid valve (hold) Right front axle solenoid valve (release) Right front pressure sensor Right rear axle solenoid valve (hold) Right rear axle solenoid valve (release) Right rear pressure sensor Sps (pml) solenoid valve Stop lamp switch (top of brake pedal assembly) Traction system hydraulic unit Ub s W/ basic W/ premium W14/3 (right front engine compt) X18-c2 X62/7 Anti-lock Brakes Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010 List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010: 32 (center trunk) rear sam control module w/ fuse & relay module Abs/mil ind Bas brake booster Bas release switch Bas solenoid valve Brake fluid indicator switch (left rear of engine compt) Brake fluid warning lamp ind Can-f h Can-f l Can-h-h Can-h-l Computer data lines system Diaphragm travel sensor Esp warning lamp ind Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 7.5a Gnd Hot at all times Instrument cluster Left rear wheel speed sensor (at left rear wheel) Mr7 Nca Pnk Power distribution system Right front wheel speed sensor (at right front wheel) Right rear wheel speed sensor (at right rear wheel) Sig W43 (left front footwell) X62/32-d X62/33-d X62/6 Yaw rate, lateral & longitudinal acceleration sensor (front center trunk)
ANTI-THEFT Anti-theft Alarm Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Anti-theft Alarm Wiring Diagram for Mercedes-Benz S550 2010: 45 (left front footwell) w34/1 (right front footwell) w15/1 (right front trunk) w54 +5v 56a r Alarm siren w/auxiliary battery (left front wheelhouse) Ata (edw) function indicator Can-b h Can-b l Can-c h Can-c l Can-f h Can-f l Computer data lines system Data Driver door infrared sensor Engine hood open/ closed switch (ata) (5.5l) (center front of engine compt) Fan relay module Front sam control module w/ fuse & relay module (left rear engine compt) Fuel filler flap cl motor Fuse 40a Fuse 5a Fuse 7.5a Hd-as Headlights system Horns system Hot at all times Hybrid engine hood contact switch (3.5l) Instrument cluster Left front door control module (in left front door) Me-sfi (me) control unit (right rear of engine compt) Mr1 Mr6 Nca Pnk/red Rear sam control module w/ fuse & relay module (center trunk) Red Right instrument panel fuse box (under right side dash cover) Spiegel r Trunk lid contact switch Trunk lid emergency release switch Trunk lid external operation switch Upper control panel control module W15/1 (right front footwell) W17/1 (left rear footwell) Panic Alarm Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010 List of elements for Panic Alarm Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010: 25 (+) (-) +12v +5v 15r 58d Authorities peripherals separation point C20 Data + Data - Fire extinguishing control module Fuse 30a Hot at all times Interior speaker Left outside mirror microphone Mikro + Mikro - Nca Outside speaker Pas (gas) & special signal system control module Rear fuse box 1 Red Right outside mirror microphone W7/1 (left rear footwell) X44/10 Panic Alarm Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010 List of elements for Panic Alarm Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010: 16 58d C1 police beacon separation point Fresh air system emergency active button Fresh air system/ fire extinguishing system emergency activate button balance resistor Interior lights system Left knee bolster emergency alarm active button Microphone separation point Nca Over voltage protection diode Rear fresh air outlet emergency alarm active button Red Right knee bolster emergency alarm active button Special signal system push button control module Special vehicle multi-function control module (svmcm (mss)) W19 (under right front seat) W7/1 (left rear footwell)
BODY CONTROL MODULES Front SAM Control Module Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010 List of elements for Front SAM Control Module Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010: 45 +12v +5v 12v 58d Air conditioning system Anti-lock brakes system Can-b h Can-b l Can-c h Can-c l Can-e h Can-e l Computer data lines system Data Electronic power steering system Electronic suspension system Engine compartment prefuse box (right rear engine compt) Engine controls system Exterior lights system Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 150a Gnd Hot at all times Instrument cluster system Interior lights system Left front door control module (in left front door) Lin Lin-bus Memory systems Mls+ Mls- Mr1 Mr4 Mr8 Mr9 Pnk Pnk/red Power distribution system Rear sam control module circuit Red Shift interlock system Starting/charging system Transmissions system W34 (left front footwell) Wiper/washer system Front SAM Control Module Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010 List of elements for Front SAM Control Module Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010: 53 +12v 49a r 49al 55r 56a r 56al 56d 56d r 57 l 57 r Air conditioning system Austemp+ Austemp- C60 C61 C62 C63 C64 C65 C66 Can-e h Can-e l Computer data lines system Cruise control system Data Electronic power steering system Electronic suspension system Engine compartment prefuse box (right rear engine compt) Engine controls system Exterior lights system Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 20a Gnd Headlights system Horns system Hot at all times Instrument cluster system Mr1 Mr2 Mr3 Mr5 Mr6 Mr7 Navigation system Pnk/red Power distribution system Red Sig Spiegel l Spiegel r W34 (left front footwell) Warning systems Wiper/washer system Rear SAM Control Module Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Rear SAM Control Module Wiring Diagram for Mercedes-Benz S550 2010: 52 (left rear engine compt) (left rear footwell) w17/1 3 bl Anti-theft system Bi l Bi r Bsl l Bsl r Can-b h Can-b l Computer data lines system Defogger system Engine controls system Exterior lights system Front sam control module w/ fuse & relay module (3.5l) Fuse 150a Gk l Gk r Hd as Headlights system Hot at all times Hs + Hs - Hs 1 Hs 2 I10 Ig3 Instrument cluster system Interior lights system Interior prefuse box (right front footwell) Kzl l Memory systems Navigation & sound systems Navigation system Nsl l Nsl r Passive restraint system Pnk/red Power distribution system Power tops system Power windows system Rear sam control module w/ fuse & relay module (center trunk) Red Rfl l Seats system Shift interlock system Sig Sound systems Trunk, tailgate, fuel doors system Volume control intermediate connector (w/ dvd) power windows system W54/3 (left front trunk) Warning systems
COMPUTER DATA LINES Data Link Connector Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Data Link Connector Wiring Diagram for Mercedes-Benz S550 2010: 24 (left front footwell) w34 Can-b h Can-b l Can-d h Can-d l Can-e h Can-e l Can-f h Can-f l Can-g h Can-g l Central gateway control module (left front upper footwell) Data link connector (under left end of dash) Electric parking brake control unit (left rear wheelwell) Emergency call system control unit (left front of trunk) Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 10a Fuse 7.5a High/low bus circuit Hot at all times Red W34 (left front footwell) X18-c2 X18-c3 High/Low Bus Wiring Diagram (1 of 4) for Mercedes-Benz S550 2010 List of elements for High/Low Bus Wiring Diagram (1 of 4) for Mercedes-Benz S550 2010: 30 Battery management system control unit (right rear engine compt) Can-c h Can-c l Can-f h Can-f l Can-h h Can-h l Can-i h Can-i l Central can voltage distributor connector Central gateway control module (left front upper footwell) Comand control unit Dc/dc converter control module (right front wheelhouse) Direct select intelligent servo module for (if equipped) (transmission housing) Drivetrain can voltage distributor connector Dtr control unit (if equipped) (under plate in right front footwell) Electric control unit (vgs) Electric refrigerant compressor (left front engine) Esp control module (5.5l) regenerative braking system control unit (3.5l hybrid) (right front engine compt) Hybrid can voltage distributor connector (3.5l hybrid) Instrument cluster Me-sfi (me) control unit (right rear of engine compt) Power electronics control unit (right side undercarriage) Radar sensor control unit (sgr) (w/ distance plus) (right side of trunk) Vehicle dynamics can voltage distributor connector W18 (under left front seat) W34/1 (left front footwell) X18-c1 X26/29 Yaw rate, lateral, longitudinal & acceleration sensor High/Low Bus Wiring Diagram (2 of 4) for Mercedes-Benz S550 2010 List of elements for High/Low Bus Wiring Diagram (2 of 4) for Mercedes-Benz S550 2010: 29 Abc control module (left rear of engine compt) Airmatic w/ ads control module (left rear of engine compt) C10 C11 C12 C13 Can Can-e h Can-e l Central gateway control module (left front upper footwell) Chassis can/cockpit voltage distributor connector Chassis can/ffs (rba) voltage distributor connector Eis (ezs) control unit Electrohydraulic power steering (right front engine compt) Esp control module (5.5l) regenerative braking system control module (3.5l hybrid) (right front engine compt) Front sam control module w/ fuse & relay module (left rear engine compt) Left front reversible emergency tensioning retractor Me-sfi (me) control module (right rear of engine compt) Multi-function camera (if equipped) Night vision assist control unit (if equipped) (left front footwell) Pts control module (if equipped) (right side trunk) Radar sensors control unit (sgr) (w/ distance plus) (right side of trunk) Restraint systems control module (front of center console) Right front reversible emergency tensioning retractor Steering column module (top of steering column) Tpm control module (right front footwell) W/ abc W/ airmatic W15/1 (right front footwell) High/Low Bus Wiring Diagram (3 of 4) for Mercedes-Benz S550 2010 List of elements for High/Low Bus Wiring Diagram (3 of 4) for Mercedes-Benz S550 2010: 22 Aac (kla) control unit (center dash) C10 C11 C12 C13 Can-b h Can-b l Central gateway control module (left front upper footwell) Eis (ezs) control unit Front sam control module w/ fuse & relay module (left rear engine compt) Interior can/cockpit voltage distributor connector Keyless go control unit (if equipped) (right rear trunk) Left front door control module (in left front door) Left front seat control module Left interior can/ffs (rba) voltage distributor connector Left rear door control module (in left rear door) Left rear multicontour backrest control module (if equipped) Pneumatic pump for dyanamic seat control (w/ dynamic seat ds (fds)) Rear sam control module w/ fuse & relay module (center trunk) Right rear multicontour backrest control module (if equipped) Upper control panel control module X35/3-c1 High/Low Bus Wiring Diagram (4 of 4) for Mercedes-Benz S550 2010 List of elements for High/Low Bus Wiring Diagram (4 of 4) for Mercedes-Benz S550 2010: 32 (front of roof) C10 C11 C12 C13 Can-a h Can-a l Can-b h Can-b l Comand control unit Comand display (w/o split view display) comand display & split view display (w/ split view display) Front central operating unit Panoramic sliding roof control module (if equipped) Rcp (hbf) control module Rear ac control module (if equipped) Rear seats control module Right front door control module (in right front door) Right front seat control module Right interior can/ffs (rba) voltage distributor connector Right rear door control module (in right rear door) Special vehicle multifunction control module (svmcm (mss)) (if equipped) Telematics can voltage distributor connector Tlc (hds) control module (w/ remote trunk locking) (right rear trunk) Tpm control module (if equipped) (right front footwell) W15/1 (right front footwell) W19 (under right front seat) Weight sensing system (wss) control unit (right front seat) X18-c1 X25/8-c4 X28/30 X35/2-c5 X35/4-c1
COOLING FAN Cooling Fan Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Cooling Fan Wiring Diagram for Mercedes-Benz S550 2010: 22 Can-b h Can-b l Can-e h Can-e l Computer data lines system Coolant temperature sensor (5.5l: front of engine) Egs Electric suction fan engine & a/c w/ integrated control Engine compartment prefuse box (right rear engine compt) Engine controls system Engine coolant circulation pump (right of radiator) Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 100a Fuse 20a Hot at all times Hot w/ engine circuit 87 relay energized Me-sfi (me) control unit (right rear of engine compt) Mr8 Red W2 (right side of engine compt) W3/2 (left side of engine compt) X73/2
CRUISE CONTROL Cruise Control Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Cruise Control Wiring Diagram for Mercedes-Benz S550 2010: 49 (at top of steering column) steering column module 3.5l 5.5l Accel/ set Accelerator pedal sensor (top of accelerator pedal assembly) C135 C142 Can-e h Can-e l Can-h h Can-h l Can-s-h Can-s-l Computer data lines system Control contact Cruise control switch Decel/ set Dtr distance potentiometer (if equipped) Front bumper left inner radar sensor Front bumper right inner radar sensor Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 10a Fuse 7.5a Gnd Hot at all times Hot in on or start Me-sfi (me) control module (right rear of engine compt) Off Pwg+ Pwg1-0 Pwg1-1 Pwg2-0 Pwg2-1 Radar sensors control unit (sgr) (right side of trunk) Rear bumper left outer radar sensor (w/ blind spot assist) Rear bumper right outer radar sensor (w/ blind spot assist) Rear pts warning display (w/ city assist) Rear sam control module w/ fuse & relay module (center trunk) Red Resume from memory Throttle valve actuator (on throttle body assembly) W/ distronic plus W17/1 (left rear footwell) W34 (left front footwell) W34/1 (left front footwell) W7/1 (left rear footwell) X213/1 X213/2 X25/8-c3 Electronic Accelerator/Cruise/Idle Speed Control Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Electronic Accelerator/Cruise/Idle Speed Control Wiring Diagram for Mercedes-Benz S550 2010: 44 58d Automatic child seat recognition air bag off ind lamp C66 Can-b h Can-b l Can-c h Can-c l Can-f h Can-f l Can-h h Can-h l Cockpit switch group Comand display dimmer Comand display swivel left switch Comand display swivel right switch Computer data lines lines system Computer data lines system Dtr control module Dtr control unit Dtr radar sensor Dtr warning lamp ind Electric control unit (vgs) Esp off switch Exterior lights & instrument cluster system Freely programmable button Front central operating unit Front sam control module with fuse & relay module (left rear engine compt) Fuse 7.5a Hazard warning system button Hot at all times Hot w/ circuit 87 relay energized Instrument cluster Level adjustment switch Me-sfi (me) control module (right rear of engine compt) Output Pts off switch Red Sig Speed sensor Switch & controls illumination/ night vision assist display dimmer Upper control panel control module W3/1 (right side of engine compt) W34 (left front footwell) X18-c1
DEFOGGERS Heated Windshield Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Heated Windshield Wiring Diagram for Mercedes-Benz S550 2010: 18 42v (+) 42v (-) Air conditioning system Fuse 150a Heated windshield Heated windshield control module Hot at all times Interior prefuse box (right front footwell) Left heated side window Lin (+) Lin (-) Lin-data Power distribution system Red Right heated side window W/ special protection W54 (right front trunk) W7/1 (left rear footwell) Rear Defogger Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Rear Defogger Wiring Diagram for Mercedes-Benz S550 2010: 29 Aac (kla) control unit (center dash) Ambient temperature display temperature sensor (behind left side of front bumper) Aus temp + Aus temp - Can-b h Can-b l Can-e h Can-e l Computer data lines system Electrolytic capacitor (rear window noise suppressor) Electronic ignition-starter switch (eis) control module Esp/sps/bas control module (left side of engine compt) Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 150a Fuse 50a Heated rear window Hot at all times Interior prefuse box (right front footwell) Left electrically adjustable & heated exterior mirror Left front door control module (in left front door) Mirror heater Mr7 Overhead control panel control module (center front of roof) Rear sam control module w/ fuse & relay module (center trunk) Rear window defroster relay Red Right electrically adjustable & heated exterior mirror Right front door control module (in right front door) W13 (left "c" pillar)
ELECTRONIC POWER STEERING Electro Hydraulic Power Steering Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Electro Hydraulic Power Steering Wiring Diagram for Mercedes-Benz S550 2010: 12 C60 Can-e h Can-e l Computer data lines system Electrohydraulic power steering Engine compartment prefuse box (right rear of engine compt) Front sam control module w/ fuse & realy module (left rear engine compt) Fuse 150a Fuse 7.5a Hot at all times Red W2 (right side of engine compt) Power Steering Column Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Power Steering Column Wiring Diagram for Mercedes-Benz S550 2010: 57 (if equipped) heater coil (left front footwell) w34 (on steering column) steering angle sensor Accelerate & set switch Accept/terminate phone call pushbutton Aldw+ Aldw- Back & sbs off button Can-e h Can-e l Combination switch Computer data lines system Control contact switch Cruise control switch Decelerate & set switch Dtr distance potentiometer (if equipped) Fanfare horns & air bag clock spring contact Fanfare horns pushbutton Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 10a c2 Gear selector switch direct select Gnd Head lamp flasher/high beam switch Heater coil temperature sensor (if equipped) Hot at all times Left & right turn signal switch Left multi-function steering wheel pushbutton group Low beam switch Lsp+ Lsp- Mute button Nca Ntc + Ntc - Ntc+ Off switch Ok button Pushbutton + & - setting of specific functions & volume control Red Resume from memory switch Right multi-function steering wheel pushbutton group Scroll forward/ back pushbutton Steering column adjustment switch Steering column adjustment switch (w/ esc (elv)) steering column adjustment/ steering wheel heater switch (w/ steering wheel heater) Steering column module (top of steering column) Steering wheel electronics Steering wheel gear shifter (+) (if equipped) Steering wheel gear shifter (-) (if equipped) Steering wheel heater indicator lamp (if equipped) Steering wheel heater switch (if equipped) Steering wheel vibration motor (w/ automatic lane recognition) System selection pushbutton Vcs (sbs) on button W/ steering wheel heater W34 (left front footwell) Windshield washer system switch Wipe switch
ELECTRONIC SUSPENSION Active Body Control Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010 List of elements for Active Body Control Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010: 39 Abc control module (left rear of engine compt) Abc front axle valve unit (left side of engine compt) Abc pressure sensor (under right front of vehicle) Abvls Abvrm Abvrv Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 15a Hot at all times Left front abc pressure sensor Left front body acceleration sensor (left side of engine compt) Left front level sensor (left front wheelwell) Left front suspension strut plunger check valve Left front suspension strut plunger valve Nvlm Nvls Nvlv Nvrm Nvrs Pfbhlm Pfbhls Pfbhlv Pfbvlm Pfbvls Red Right front body acceleration sensor (right side of engine compt) Right front level sensor (right front wheelwell) Right front suspension strut plunger check valve Right front suspension strut plunger valve Sdvs Sdvv Sensor Sig Vaa l Vaa r Vav l Vav r Vvav l W15/1 (right front footwell) Active Body Control Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010 List of elements for Active Body Control Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010: 43 Abc control module (left rear of engine compt) Abc lateral acceleration sensor (under front of center console) Abc rear axle valve unit (under center rear of vehicle) Abc suction restrictor valve (left front of engine compt) Abhrm Abhrs Abhrv Can Can-e h Can-e l Computer data lines system Haa l Haa r Hav l Hav r Left rear abc pressure sensor Left rear level sensor Left rear suspension strut plunger check valve Left rear suspension strut plunger valve Nhlm Nhls Nhlv Nhrm Nhrs Nhrv Pfbhlm Pfbhls Pfbhlv Pfbhrm Pfbhrs Pfbhrv Pnk Qbmm Qbms Qbmv Red Right front abc pressure sensor Right rear abc pressure sensor Right rear body acceleration sensor (right side of trunk) Right rear level sensor Right rear suspension strut plunger check valve Right rear suspension strut plunger valve Sig Airmatic Control Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010 List of elements for Airmatic Control Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010: 49 (+) (right side of engine compt) w2 Air suspension compressor relay Airmatic compressor unit Airmatic w/ ads control module (left rear of engine compt) All times Can-b h Can-b l Computer data lines system Engine compartment prefuse box (right rear engine compt) Front sam control w/ fuse & relay module (left rear engine compt) Fuse 150a Fuse 20a Fuse 46 15a Fuse 56 40a Gnd Hot at Hot at all times Left front axle damping valve unit (left front wheel house) Left front body acceleration sensor (left side of engine compt) Left front level sensor (left front wheelwell) Mr1 Mr2 Nca Nvlm Nvls 1 Nvlv Nvrm Nvrs 1 Nvrv Red Right front axle damping valve unit (right front wheel house) Right front body acceleration sensor (right side of engine compt) Right front level sensor (right front wheelwell) Sig Val 1 Val 2 Valv+ Var 1 Var 2 Varv+ Vkps Vkpv W15/1 (right front footwell) X62/6 X62/7 Zamvl Zasvl Zavvl Airmatic Control Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010 List of elements for Airmatic Control Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010: 28 (not used) (under right front of vehicle) level control valve unit Airmatic w/ ads control module (left rear of engine compt) Can-e h Can-e l Central reservoir charge valve Computer data lines system Hal 1 Hal 2 Hal v Har 1 Har 2 Har v Left front Left rear Left rear axle damper valve unit (left rear wheel house) Leveling control valves Nca Nhrm Nhrs 1 Nhrv Rear axle level sensor (under rear center of vehicle) Right front Right rear Right rear axle damper valve unit (right rear wheel house) X222 X62/32-c X62/33-c
EMERGENCY VEHICLE SYSTEMS Fire Suppression Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Fire Suppression Wiring Diagram for Mercedes-Benz S550 2010: 32 Air conditioning system Authorities peripherals separation point Engine fire extinguishing system temperature sensor Extinguishing agent reservoir pressure monitoring switch 1 Extinguishing agent reservoir pressure monitoring switch 2 Extinguishing agent reservoir squib 1 Extinguishing agent reservoir squib 2 Fire extinguishing Fire extinguishing system control module Fire extinguishing system diagnostic interface Fire extinguishing system warning buzzer Fresh air sensor Fresh air system emergency control unit Fresh air system/fire extinguishing system emergency activate button Fresh air system/fire extinguishing system emergency activate button balance resistor Fuse 5a Hot at all times Nca Pas (gas) & special signal system control module Rear fire extinguishing system temperature sensor Rear fuse box i Red Solenoid valve Special vehicle multi-function control module (svmcm (mss)) System switch W/ medium reservoir solenoid valve W/o medium reservoir W7/1 (left rear footwell) X15/11 X203 X203/1 X203/2
ENGINE PERFORMANCE
5.5L 5.5L, Engine Performance Wiring Diagram (1 of 5) for Mercedes-Benz S550 2010 List of elements for 5.5L, Engine Performance Wiring Diagram (1 of 5) for Mercedes-Benz S550 2010: 31 (front of left cylinder bank) left exhaust camshaft hall sensor (front of left cylinder bank) left intake camshaft hall sensor Check engine mil indicator Circuit relay Computer data lines system Crankshaft hall sensor (left rear of engine) Engine compartment prefuse box (right rear engine compt) Ev 1 Ev 2 Ev 3 Ev 5 Ev 8 Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 150a mr1 Fuse 7.5a Hot at all times Hot film maf sensor (center rear of engine) Instrument cluster Left intake manifold tumble flap position sensor Left knock sensor 2 (under intake manifold) Left o2 sensor upstream twc (kat) (left rear of engine compt) Me-sfi (me) control unit (right rear of engine compt) Mr4 Nca Pressure sensor Red Right intake manifold tumble flap position sensor Right knock sensor 1 (under intake manifold) Sig Throttle valve actuator (on throttle body assembly) X205 5.5L, Engine Performance Wiring Diagram (2 of 5) for Mercedes-Benz S550 2010 List of elements for 5.5L, Engine Performance Wiring Diagram (2 of 5) for Mercedes-Benz S550 2010: 17 (not used) Ev 4 Ev 6 Ev 7 Front of engine) Intake manifold tumble flap switchover valve Left o2 sensor downstream twc (kat) (under left front of vehicle) Me-sfi (me) control unit (right rear of engine compt) Nca O s kw out Oil level switch Red Right o2 sensor downstream twc (kat) (under right front of vehicle) Starting/ charging system Variable intake manifold switchover valve X205 X26-c1 5.5L, Engine Performance Wiring Diagram (3 of 5) for Mercedes-Benz S550 2010 List of elements for 5.5L, Engine Performance Wiring Diagram (3 of 5) for Mercedes-Benz S550 2010: 24 (front of left cylinder bank) left exhaust camshaft solenoid (front of right cylinder bank) right exhaust camshaft solenoid (front of right cylinder bank) right intake camshaft solenoid (left rear of engine) (right rear of engine) (top of engine, above each cylinder) fuel injectors Cylinder ignition coil 1 (top right side of engine) Cylinder ignition coil 2 (top right side of engine) Cylinder ignition coil 3 (top right side of engine) Cylinder ignition coil 4 (top right side of engine) Cylinder ignition coil 5 (top left side of engine) Cylinder ignition coil 6 (top left side of engine) Cylinder ignition coil 7 (top left side of engine) Cylinder ignition coil 8 (top left side of engine) Left intake camshaft solenoid (front of left cylinder Nca Radio interference suppression capacitor 1 Radio interference suppression capacitor 2 Red Spark plug W11w1 W11w1 (right rear of engine) W11w2 W11w2 (left rear of engine) 5.5L, Engine Performance Wiring Diagram (4 of 5) for Mercedes-Benz S550 2010 List of elements for 5.5L, Engine Performance Wiring Diagram (4 of 5) for Mercedes-Benz S550 2010: 18 (front of engine) coolant temperature sensor (front of right cylinder bank) right exhaust camshaft hall sensor (in fuel tank) left fuel level sensor (in fuel tank) right fuel level sensor (right rear of engine) heating system shutoff valve (top front of engine) air pump switchover valve Accelerator pedal sensor (top of accelerator pedal assembly) Fuel tank pressure sensor (in fuel tank) Fuse 25a Hot at all times Nca Power steering pump pressure regulator valve Rear sam control module w/ fuse & relay module Red Right intake camshaft hall sensor (front of right cylinder bank) Right o2 sensor upstream twc (kat) (right rear of engine compt) Sig Three-disk thermostat valve 5.5L, Engine Performance Wiring Diagram (5 of 5) for Mercedes-Benz S550 2010 List of elements for 5.5L, Engine Performance Wiring Diagram (5 of 5) for Mercedes-Benz S550 2010: 52 (-) (left front footwell) +5v 87 me1 Aav Activated charcoal canister shutoff valve (under right rear of vehicle) Air Air pump (top front of engine) Air pump relay Can-c h Can-c l Can-e h Can-e l Computer data lines system Crash Ds sig Ds+ Ds- Egs Ekp Ekp+ Ekp- Ekp-lauf Electric suction fan engine & ac w/ integrated control Engine circuit 87 relay Front sam control module w/ fuse & relay module (left rear engine compt) Fuel pressure sensor (under left rear of vehicle) Fuel pump (fp) Fuel pump control module (under left rear seat) Fuse 10a Fuse 15a Fuse 20a Fuse 25a Fuse 60a Hot at all times Me-sfi (me) control unit (right rear of engine compt) Nca Purge control valve (left front of engine compt) Pwg+ Pwg1-0 Pwg1-1 Pwg2-0 Pwg2-1 Red Sig Start Starter circuit 50 relay W11 (right front of engine) W17/1 (left rear footwell) W34/1 X26-c1 X26-c2
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Backup Lamps Wiring Diagram for Mercedes-Benz S550 2010: 19 Back- up lamp Can-b h Can-b l Can-c h Can-c l Computer data lines system Electric control unit (vgs) Fuse 150a Hot at all times Ig3 Intelligent servo module for direct select (transmission housing) Interior prefuse box (right front footwell) Left taillamp P r n d Rear sam control module w/ fuse & relay module (center trunk) Rfl-l Right taillamp W/ backup camera W7/1 (left rear footwell) Exterior Lamps Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010: 60 (if equipped) cornering illumination (w/ cornering illumination) left dynamic cornering lamp motor (w/ cornering illumination) right dynamic cornering lamp motor 3.bl 49a l 49a r 57 l 57 r Backup lamp Backup lamps circuit Bi-l Bi-r Bsl-l Bsl-r Can-b h Can-b l Can-e h Can-e l Center high mounted stop lamp Computer data lines system Engine compartment prefuse box (right rear engine compt) Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 150a Hot at all times I10 Kzl-l Kzl-r Left active curve illumination position sensor Left front headlamp unit Left front side marker lamp Left license plate lamp Left taillamp Mr1 Mr4 Mr5 Mr6 Mr9 Nsl-l Nsl-r Rear fog lamp Rear sam control module w/ fuse & relay module (center trunk) Rear side marker lamp Red Rfl-l Right active curve illumination position sensor Right front headlamp unit Right front side marker lamp Right license plate lamp Right taillamp Standing & parking lamp Stop, tail & parking lamp Turn signal lamp W/ backup camera W15/1 (right front footwell) W17/1 (left rear footwell) W3/1 (right side of engine compt) W3/2 (left side of engine compt) W54 (right front trunk) W7/1 (left rear footwell) Xenon headlamp control module Exterior Lamps Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010: 39 Analog clock Audible Can-b h Can-b l Can-b-h Can-b-l Can-e h Can-e l Can-f h Can-f l Cockpit switch group Combination switch Computer data lines system Exterior lamp switch Fog lamp indicator Front central operating unit Fuse 150a Hazard warning system button Hcs (sra) switch Headlamp flasher/ high beam switch Hot at all times Instrument cluster Interior prefuse box (right front footwell) Left & right turn signal switch Left electrically adjustable & heated outside mirror Left front door control module (in left front door) Left turn signal ind Night vision assist button Outside mirror ambient lamp Outside mirror turn signal lamp Rear fog lamp indicator Red Right electrically adjustable & heated outside mirror Right front door control module (in right front door) Right turn signal ind Steering column module (top of steering column) Turn signal indicator Upper control panel control module X18-c1
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010: 30 Air bag system driver assist, driver side frontal acceleration sensor, restraint systems control module, wss control unit (weight sensing system), driver seat belt buckle & seat belt warning switch, front passenger seat belt buckle & seat belt warning switch, passenger-side frontal acceleration sensor, air bag system front passenger assist, driver door pressure sensor, front passenger pressure sensor, driver side rear door pressure sensor & passenger side rear door pressure sensor Battery sensor Electric suction fan engine & ac w/ integrated control & airmatic compressor unit (if equipped) Esp control module High voltage battery Instrument cluster, comand display, comand control unit & night vision assist control unit (if equipped) Left front side marker lamp (usa), right front side marker lamp (usa), ata (edw) hood switch, airmatic w/ads control unit/abc control module, intelligent servo module for direct select, electric control unit (vgs), etc (egs) control module, right front door control module, front cigar lighter (w/ ashtray illumination), chassis can/ffs (rba) voltage distributor connector & telematics can voltage distributor connector dc/dc converter control module Left taillamp, right taillamp, right trunk lamp, left trunk lamp, pts control module (w/ parktronic system), radar sensors control unit (sgr) (w/ city assist system), heated windshield control module, extinguishing agent reservoir squib 1, extinguishing agent reservoir squib 2, fire extinguishing system warning buzzer, fire extinguishing system control module, special vehicle multi-function control module (svmcm (mss)), authorities peripherals separation point, interference filter 1, interference filter 2, outside speaker interference filter, pas (gas) & special signal system control module, external communication control module, ground connector sleeve, volume control intermediate connector, extinguishing agent reservoir pressure monitoring switch 2 , two-way radio charge connector authorities peripherals seperation point, fresh air system emergency active button & fresh air system/ fire extinguishing system emergency active button balance resistor Me-sfi (me) control module, alarm signal siren, left front door control module & cylinder 4 ignition coil (3.5l hybrid), cylinder 5 ignition coil, cylinder 6 ignition coil cylinder 7 ignition coil (5.5l) & cylinder 8 ignition coil (5.5l) Radio interference suppression capacitor 1, cylinder 1 ignition coil, cylinder 2 ignition coil, cylinder 3 ignition coil & cylinder 4 ignition coil Radio interference suppression capacitor 2, cylinder 5 ignition coil, cylinder 6 ignition coil, cylinder 7 ignition coil & cylinder 8 ignition coil Rear head restraints valve block, right rear brake pad contact sensor, panoramic sliding roof control module, panoramic sliding sunroof circuit 31 connector sleeve, volume control intermediate connector (w/ rear entertainment (dvd), center rear seat belt buckle switch (w/ ece), rear cigar lighter, right rear seat belt buckle switch, left rear seat belt buckle switch, rear center air outlet potentiometer & stowage compartment illumination Regenerative braking system control unit W10 (right rear of engine compt) W10/4 (right side of tank) W11w1 (right rear of engine) W11w2 (left rear of engine) W14/3 (right front of engine compt) W15/1 (right front footwell) W17 (right rear footwell) W18 (under left front seat) W2 (right side of engine compt) W26 (under front of center console) W26/1 W3/1 (right side of engine compt) W34/1 (left front footwell) W43 (left front footwell) W45 W7/1 (left rear footwell) Wiper park heater, right fanfare horn, right front headlamp unit, right fog lamp, dtr control unit & front prefuse Ground Distribution Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010: 25 Ac recirculation unit Air pump & power electronics control unit Coolant circulation pump, left fanfare horn, left front headlamp unit, left fog lamp, slave wiper motor, master wiper motor, washer nozzle hose heater, hcs pump & windshield washer fluid pump Dc/dc converter control module Heated rear window Inner left rear pts ultrasonic sensor, fuel pump (fp), rear sam control module w/ fuse & relay module, rear bumper right inner radar sensor, rear pts warning display, rear bumper left inner radar sensor, pts control module, outer left front pts ultrasonic sensor, outer right front pts ultrasonic sensor, center right front pts ultrasonic sensor, center left front pts ultrasonic sensor, inner left front pts ultrasonic sensor, inner right front pts ultrasonic sensor, front bumper left outer radar sensor, front bumper left inner radar sensor, front bumper right inner radar sensor, front bumper right outer radar sensor, outer right rear pts ultrasonic sensor, inner right rear pts ultrasonic sensor, outer left rear pts ultrasonic sensor, rcp (hbf) control module, left rear multicontour backrest control module, right rear multicontour backrest control module, lumbar pump (if equipped), multi contour seat pneumatic pump (if equipped), pneumatic pump for dynamic seat control (if equipped) & center high-mounted stop lamp Power electronics control unit Rear sam control module w/ fuse & relay module & electric parking brake control unit Steering column module, central gateway control module, eis (ezs) control unit, glove compartment lamp, right front footwell lamp, left front footwell lamp, electric parking brake switch, left side air outlet potentiometer, front sam control module w/ fuse & relay module, upper control panel control module, instrument cluster, right side air outlet potentiometer, front center air outlet potentiometer, data link connector, aac (kla) control unit, auxiliary battery & universal portable ctel interface (upci) control module Tlc (hds) control module (w/ remote trunk locking), rear seats control module, trunk lid cl (zv) motor, left rear seat belt comfort feature solenoid, right rear seat belt comfort feature solenoid, left trunk lid ambient & warning lamp, right trunk lid ambient & warning lamp, left license plate lamp, right license plate lamp, trunk lid emergency release switch, trunk lid external operation switch, trunk lid contact switch, trunk lid keyless-go button (if equipped), left rear seat heated cushion (if equipped), left rear backrest heated cushion (if equipped), right rear seat heated cushion (if equipped), right rear backrest heated cushion (if equipped), tpm control module & heated windshield control module Vacuum pump relay (-) W11 (right front of engine) W13 (left "c" pillar) W15 (right front footwell) W17/1 (left rear footwell) W19 (under right front seat) W20 W26/2 W3/2 (left side of engine compt) W3/9 W34 (left front footwell) W50 W54 (right front trunk) W54/3 (left front trunk) W6 (left side of trunk)
HEADLIGHTS Headlights Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Headlights Wiring Diagram for Mercedes-Benz S550 2010: 76 (right side of engine compt) w3/1 55 r 55l 56al 56ar 56d Adjustment Bi-xenon Bi-xenon lamp w/ integral ignition module Can b h Can b l Can-b h Can-b l Can-c h Can-c l Can-e h Can-e l Can-f h Can-f l Cluster Combination switch Computer Computer data lines system Data lines Engine compartment prefuse box (right rear engine compt) Exterior lamp switch Fog lamp indicator Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 10a Fuse 150a Headlamp flasher/ high beam switch Headlamp range Headlamp range adjustment motor High beam High beam indicator lamp High beam solenoid Hot at all times Hot w/ circuit 15 relay energized Ignition module Infrared lamp Instrument Instrument cluster system Lamp w/ integral Left daytime running lamps headlamp (if equipped) Left fog lamp Left front headlamp unit Left taillamp Low beam lamp Low beam switch Motor Mr1 Mr2 Mr4 Mr5 Mr6 Nsl-l Nsl-r Rear fog lamp Rear fog lamp ind Rear sam control module w/ fuse & relay module (center trunk) Red Right daytime running lamps headlamp (if equipped) Right fog lamp Right front headlamp unit Right taillamp Solenoid Steering column module (top of steering column) System Upper control panel control module W/ night vision assist W3/1 (right side of engine compt) W3/2 (left side of engine compt) W34 (left front footwell) W7/1 (left rear footwell) X219 Xenon headlamp control module
HORN Horn Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Horn Wiring Diagram for Mercedes-Benz S550 2010: 26 Can-e h Can-e l Computer data lines system Engine compartment prefuse box (right rear engine compt) Fanfare horn relay Fanfare horns & air bag clock spring contact Fanfare horns push button Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 150a Fuse 52b 15a Hot at all times Hot w/ circuit 15 relay energized Left fanfare horn (behind front bumper) Left multi-function steering wheel push button group Lin Mr1 Mr4 Ntc+ Red Right fanfare horn (behind front bumper) Right multi-function steering wheel push button group Steering column module (top of steering column) Steering wheel electronics (w/ steering wheel heater) W3/1 (right side of engine compt) W3/2 (left side of engine compt) W34 (left front footwell)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010: 63 (center trunk) rear sam control module w/ fuse & relay module (in fuel tank) left fuel level sensor (in fuel tank) right fuel level sensor (left front trunk) w54/3 computer data lines system (left rear engine compt) front sam control module w/ fuse & relay module 15g 58d Abs mil indicator Air bag indicator & warning lamp Audible turn signal indicator Austemp + Austemp - Brake fluid warning lamp Can b h Can b l Can f h Can f l Check engine mil indicator Clock + Clock - Computer data lines system Coolant level indicator switch Data 0 + Data 0 - Data 1 + Data 1 - Data 2 + Data 2 - Diag Dtr warning lamp Ect gauge Electronic speedometer Engine coolant temperature malfunction indicator Esp warning lamp Front sam control module w/ fuse & relay module (left rear engine compt) Fuel level & reserve gauge Fuel reserve indicator lamp Fuse 7.5a Gear display Gnd High beam indicator lamp Hot at all times Hot w/ circuit 15 relay energized Instrument cluster Instrument cluster/ comand display additional fan Left turn signal indicator Luefter Mr7 Multi-function display Nca Night vision assist circuit Outside temperature display temperature sensor Pnk/red Red Right turn signal indicator Seat belt reminder lamp Sig Tachometer Tire pressure monitor warning lamp Transmission mode display W34 (left front footwell) W43 (left front footwell) Warning buzzer Instrument Cluster Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010: 49 (left front footwell) w34 58d Air recirculation button Analog clock Ata(edw) function indicator Automatic child seat recognition airbag off ind lamp Brake fluid indicator switch (left rear of engine compt) Can b h Can b l Can g h Can g l Cockpit switch group Comand display dimmer Computer data lines system Cruise control system Defrost/ heated windshield button Electric parking brake control unit (left rear wheelwell) Electric parking brake switch Esp off switch Exterior lamp switch Frb vl Frb vr Heated rear window button Hsk bel Interior lights system Interior lights system computer data lines system Left automatic air conditioning button Left blower button Left comand display swivel switch Left temperature selection button Level adjustment switch Night vision assist button Night vision assist display dimmer switch & controls illumination Off/ residual heat button Overhead control panel circuit Pts off switch Right automatic air conditioning button Right blower button Right comand display swivel switch Right temperature selection button Sig Sth/zuh/ residual heat button Sw 1 Sw 3 Sw 4 Sw 6 Upper control panel module W34 (left front footwell) X18-c2 Night Vision Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Night Vision Wiring Diagram for Mercedes-Benz S550 2010: 35 (left front footwell) w43 + cam - cam 87f C62 Can-h h Can-h l Clock + Clock - Computer data lines system Data 0+ Data 0- Data 1+ Data 1- Data 2+ Data 2- Data-0 h Data-0 l Data-1 h Data-1 l Data-2 h Data-2 l Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 5a Ground Hot w/ chassis circuit 87 relay energized Instrument cluster Nca Night vision assist camera Night vision assist control unit (left front footwell) Red Stk_h Stk_l T-1 h T-1 l Overhead Console Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Overhead Console Wiring Diagram for Mercedes-Benz S550 2010: 50 (left rear footwell) w17/1 15r 30g 58d Als ser Ambient lamp Automatic dimming mirror Back automatic dimming interior rearview mirror sensor Can b h Can b l Computer data lines system Data Door contact on/off switch Electric parking brake switch Emergency call system control unit (left front of trunk) Flat wire Forward automatic dimming interior rearview mirror sensor Front dome lamp Front dome lamp switch Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 25a Garage door opener indicator lamp Garage door opener pushbutton 1 Garage door opener pushbutton 2 Garage door opener pushbutton 3 Garage door opener transmitter unit Hot at all times Interior lights system Interior rearview mirror unit Left front reading lamp switch Left reading lamp Ll hl Ll hr Mb info & telediagnosis button group Nca Overhead control panel control module (center front of roof) Rain/light sensor Rear dome lamp switch Rear roller sun blind switch Rear sam control module w/ fuse & relay module (center trunk) Red Right front reading lamp switch Right reading lamp Roof switch Sos pushbutton switch W6 (left side of trunk) X18-c3 X25/8-c4 X25/8-c5a X39/48-c1
INTERIOR LIGHTS Interior Lights Wiring Diagram (1 of 4) for Mercedes-Benz S550 2010 List of elements for Interior Lights Wiring Diagram (1 of 4) for Mercedes-Benz S550 2010: 60 15r 30g 58d Ais ser Ambiance illumination led 1 Ambiance illumination led 2 Ambiance illumination led 3 Ambient lamp Can-b h Can-b l Computer data lines system Data Exterior lamp switch Exterior lights system Flat wire Fog lamp ind lamp Frb-vl Frb-vr Fuse 150a i3 Garage door opener assembly Garage door opener indicator lamp Glove compartment lamp Glove compartment lamp switch Hot at all times Hsk-bel Interior prefuse box (right front footwell) Interior rearview mirror unit Left front footwell lamp Left front vanity mirror illumination Left front vanity mirror illumination switch Left reading lamp Left rear dome lamp Left rear vanity mirror illumination Left trunk lamp Left trunk lid ambient & warning lamp Ll hl Ll hr Nca Overhead control panel control module (center front of roof) Rain/light sensor Rear ambient lamp Rear fog lamp ind lamp Rear sam control module w/ fuse & relay module (center trunk) Red Right front footwell lamp Right front vanity mirror illumination Right front vanity mirror illumination switch Right reading lamp Right rear vanity mirror illumination Right trunk lamp Right trunk lid ambient & warning lamp Roof switch, dome contact on & off sw, rear dome lamp switch, left front reading lamp switch, front dome lamp & right front reading lamp switch Upper control panel control module W17/1 (left rear footwell) W34 (left front footwell) W54 (right front trunk) X29/1 X99/9-c1 X99/9-c2 X99/9-c3 Interior Lights Wiring Diagram (2 of 4) for Mercedes-Benz S550 2010 List of elements for Interior Lights Wiring Diagram (2 of 4) for Mercedes-Benz S550 2010: 28 (-) 58d Can-b h Can-b l Computer data lines system Dfk Flat wire Red Right front door control module (in right front door) Right front door entrance/ exit lamp Right front door inside handle illumination Right front door lock switch Right front door trim strip illum- ination lamp 1 Right front door trim strip illumination lamp 2 Right front door warning lamp Right front drive lock pawl switch Right front rotary tumbler switch Right front safety limit switch Right front seat control module Right rear dome lamp Right rear footwell lamp W/ ambiance illumination W/ power closing W/o ambiance illumination W15/1 (right front footwell) X157/6-c1 X157/6-c2 X35/2-c5 Interior Lights Wiring Diagram (3 of 4) for Mercedes-Benz S550 2010 List of elements for Interior Lights Wiring Diagram (3 of 4) for Mercedes-Benz S550 2010: 29 (-) 58d Can-b h Can-b l Computer data lines system Data Dfk Driver power window outside mirror & trunk lid switch group Flat wire Fuse 40a Hot at all times Left front door control module (in left front door) Left front door entrance/exit lamp Left front door lock unit Left front door trim strip illumination lamp 1 Left front door trim strip illumination lamp 2 Left front door warning lamp Left front drive lock pawl switch Left front power closing motor Left front rotary tumbler switch Left front safety limit switch Left front seat control module Left rear footwell lamp Red Right instrument panel fuse box (under right side dash cover) Svs-mot Trunk lid open/close switch W/ power closing W34/1 (left front footwell) Interior Lights Wiring Diagram (4 of 4) for Mercedes-Benz S550 2010 List of elements for Interior Lights Wiring Diagram (4 of 4) for Mercedes-Benz S550 2010: 52 (-) (under left front seat) w18 58d Can-b h Can-b l Computer data lines system Cornering illumination (if equipped) Dfk Flat wire Front cigar lighter (w/ ashtray illumination) Front sam control module w/ fuse & relay module (left rear engine compt) Ground distribution system Left front headlamp unit Left rear ashtray illumination (w/ ambiance illumination) Left rear door control module Left rear door entrance/ exit lamp Left rear door inside handle illumination Left rear door lock unit Left rear door trim strip illumination Left rear door warning lamp Left rear drive lock pawl switch Left rear rotary tumbler switch Left rear safety limit switch Left xenon headlamp control module Mr5 Mr6 Nca Rear cigar lighter Red Right front headlamp unit Right rear ashtray illumination (w/ ambiance illumination) Right rear door control module (in right rear door) Right rear door entrance/exit lamp Right rear door inside handle illumination Right rear door lock unit Right rear door trim strip illumination Right rear door warning lamp Right rear drive lock pawl switch Right rear rotary tumbler switch Right rear safety limit switch Right xenon headlamp control module Spiegel l Spiegel r Stowage compartment illumination W/ ambiance illumination W/ power closing W/o ambiance illumination W15/1 (right front footwell) W17 (right rear footwell) W19 (under right front seat) X35/3-c1 X35/4-c1
MEMORY SYSTEMS Driver"s Memory Seat Wiring Diagram (1 of 3) for Mercedes-Benz S550 2010 List of elements for Driver"s Memory Seat Wiring Diagram (1 of 3) for Mercedes-Benz S550 2010: 20 Can-a h Can-a l Can-b h Can-b l Can-f h Can-f l Central gateway control module (left front upper footwell) Computer data lines system Data Dynamic driver seat massage function main valve Flat wire Front central operating unit Front sam control module w/ fuse & relay module (left rear engine compt) Left front door control module (in left front door) Left front dynamic seat control module Left front seat massage function actuator motor Left front seat operation switch group Memory 1, 2, 3 switch Memory switch Red Driver"s Memory Seat Wiring Diagram (2 of 3) for Mercedes-Benz S550 2010 List of elements for Driver"s Memory Seat Wiring Diagram (2 of 3) for Mercedes-Benz S550 2010: 23 (base of left "b" pillar) left front seat belt comfort feature solenoid Can-b h Can-b l Computer data lines system Driver lumbar support regulator control unit (if equipped) Fuse 40a Hot at all times Left front backrest angle adjustment motor Left front head restraint motor Left front seat control module Left front seat cushion forward/back motor (under left front seat) Left front seat cushion inclination motor Left front seat fore/aft adjustment motor Left front seat height adjustment motor Left instrument panel fuse box (under left side dash cover) Mskt (+) Msnt (-) Mvz (-) Red Seats system Skt (+) sig Vz (+) sig W18 (under left front seat) Driver"s Memory Seat Wiring Diagram (3 of 3) for Mercedes-Benz S550 2010 List of elements for Driver"s Memory Seat Wiring Diagram (3 of 3) for Mercedes-Benz S550 2010: 24 (left rear footwell) w17/1 30g Can-a h Can-a l Can-b h Can-b l Comand control unit Comand display Computer data lines system Fuse 30a Hot at all times Left front seat control module Left rear footwell lamp Lumbar pump Nca Pneumatic pump for dynamic seat control (w/ dynamic seat) multicontour seat pneumatic pump (w/ multicontour seat) (w/ multi contour seat: left side of trunk) Rear sam control module w/ fuse & relay module (center trunk) Red Seats system Sp1m Sp1s Usr1 W/ lumbar support seat W/ multicontour seat & dynamic seat Memory Mirrors Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Memory Mirrors Wiring Diagram for Mercedes-Benz S550 2010: 40 (in left front door) (in right front door) right front door control module +5v Ambient lamp Automatic dimming mirror Bsm bereit Bsm warn Can-b h Can-b l Computer data lines system Data Driver power window outside mirror & trunklid switch group Flat wire Fold-in/ fold-out switch Fuse 40a Hot at all times Left blind spot assistant indicator lamp (if equipped) Left blind spot assistant warning indicator (if equipped) Left electrically adjustable & heated outside mirror Left front door control module Left front seat operation switch group Left outside mirror turn signal lamp Left/right outside mirror adjustment selection switch Memory 1, 2, 3 switch Memory switch Mirror adjustment rocker switch Mirror fold-in motor Mirror heater Mirror in/out adjust- ment Mirror up/down adjust- ment Motor Nca Red Right electrically adjustable & heated outside mirror Right instrument panel fuse box (under right side dash cover) Right outside mirror turn signal lamp W15/1 (right front footwell) W34/1 (left front footwell) X35/2-c5 X35/5-c5 Memory Rear Seat Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Memory Rear Seat Wiring Diagram for Mercedes-Benz S550 2010: 39 (+) (right front trunk) w54 C143 C144 Can-b h Can-b l Computer data lines system Data Flat wire Fuse 25a Hot at all times Hs lv+ Hs lv- Hs nv+ Hs nv- Left rear door control module (in left rear door) Left rear head restraint inclination adjustment motor Left rear seat belt comfort feature solenoid (under left rear window shelf) Left rear seat cushion inclination adjustment motor Left rear seat fore/aft adjustment motor Left rear seat operation switch group Memory 1, 2, 3 switch Memory store button switch Mot-l Mot-lv Mot-nv Pnk/red Rear sam control module w/ fuse & relay module (center trunk) Rear seats control module Red Right rear door control module (in right rear door) Right rear head restraint inclination adjustment motor Right rear seat belt comfort feature solenoid Right rear seat cushion inclination adjustment motor Right rear seat operation switch group Right seat fore/aft adjustment motor (under right rear seat) Seats system Sibl W54 (right front trunk) Passenger"s Memory Seat Wiring Diagram (1 of 3) for Mercedes-Benz S550 2010 List of elements for Passenger"s Memory Seat Wiring Diagram (1 of 3) for Mercedes-Benz S550 2010: 24 (left rear footwell) w17/1 Can-a h Can-a l Can-b h Can-b l Can-f h Can-f l Central gateway control module (left front upper footwell) Comand control unit Comand display Computer data lines system Dynamic front passenger seat massage function main valve Front central operating unit Fuse 30a Hot at all times Lumbar pump Nca Pneumatic pump for dynamic seat control (w/ dynamic seat) multicontour seat pneumatic pump (w/ multicontour seat) (w/ multicontour seat: left side of trunk) Rear sam control module w/ fuse & relay module (center trunk) Red Right front dynamic seat control module Right front seat massage function actuator motor W/ lumbar support seat W/ multicontour seat & dynamic seat Passenger"s Memory Seat Wiring Diagram (2 of 3) for Mercedes-Benz S550 2010 List of elements for Passenger"s Memory Seat Wiring Diagram (2 of 3) for Mercedes-Benz S550 2010: 14 30g Can-b h Can-b l Computer data lines system Data Flat wire Front sam control module w/ fuse & relay module (left rear engine compt) Memory 1, 2, 3 switch Memory switch Right front door control module (in right front door) Right front seat control module Right front seat operation switch group Right rear footwell lamp Seats system Passenger"s Memory Seat Wiring Diagram (3 of 3) for Mercedes-Benz S550 2010 List of elements for Passenger"s Memory Seat Wiring Diagram (3 of 3) for Mercedes-Benz S550 2010: 18 (if equipped) front passenger lumbar support regulator control unit Can-b h Can-b l Computer data lines system Fuse 40a Hot at all times Left instrument panel fuse box (under left side dash cover) Red Right front backrest angle adjustment motor Right front head restraint motor Right front seat belt comfort solenoid Right front seat control module Right front seat cushion forward/back motor (under right front seat) Right front seat cushion inclination motor Right front seat fore/aft adjustment motor (under right rear seat) Right front seat height adjustment motor Seats system W19 (under right front seat) Steering Column Memory Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Steering Column Memory Wiring Diagram for Mercedes-Benz S550 2010: 27 (w/ steering wheel heater) steering column adjustment/ steering wheel heater switch Can-b h Can-b l Can-e h Can-e l Computer data lines system Data Engine compartment prefuse box (right rear engine compt) Flat wire Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 150a Gnd Hot at all times Left front door control module (in left front door) Left front seat operation switch group Memory 1, 2, 3 switch Memory switch Mls+ Mls- Mr1 Mr4 Raise/lower & forward/ backward switch Red Steering column in/out motor Steering column module (top of steering column) Steering column up/down motor W34 (left front footwell)
NAVIGATION COMAND Actuation Wiring Diagram for Mercedes-Benz S550 2010 List of elements for COMAND Actuation Wiring Diagram for Mercedes-Benz S550 2010: 59 (left front of trunk) emergency call system control unit (not used) 30g Antenna splitter Audio in l Audio in r Audio out l Audio out r Bus circuit C1a C1b Can a h Can a l Can f h Can f l Comand control unit Computer data Computer data lines system Connector Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 5a Fuse 7.5a Gnd Gps Ground Hands-free system microphone group Headphones connecting point Hot at all times Hot w/ quiescent current cutout relay energized Lines system Lvds rx+ Lvds rx- Mc 1 Mc 2 Mc gnd Mc shield Media interface Most data Most in Most out Nca Pnk Rear sam control module w/ fuse & relay module (center trunk) Shield Splitview display (w/ splitview display) comand display (w/ audio/comand display) Usb (universal serial bus) connector W/ media interface W/o media interface W43 (left front footwell) Wake up Walkman separation point X115-c1 X18-c1 X18/67 X18/70 X25/8-c5 X39/30 X39/45 X39/45-c2 Emergency Call Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010 List of elements for Emergency Call Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010: 40 (not 15r Ant Antenna splitter C138 C1a Can-d h Can-d l Comand control unit Computer data lines system Crash Ec led Ecs Emergency call system antenna splitter Emergency call system control unit (left front of trunk) Emergency call system left backup antenna (left of trunk) Emergency call system right backup antenna (right of trunk) Fuse 7.5a Hands-free system microphone group Hot w/ circuit 15r relay energized Ic led Ics Lsp + Lsp - Mic Mic shield Mute Nca Pnk Rear sam control module w/ fuse & relay module (center trunk) Red Sound systems Tdc led Telephone antenna Used) W6 (left side of trunk) X1/46 X25/8-c5 X39/48-c1 X58/3-c1 Emergency Call Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010 List of elements for Emergency Call Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010: 16 Center cockpit speaker (centerfill) Computer data lines system Fuse 5a Hot at all times Instrument cluster system Mb-info & telediagnosis button group Nca Red Restraint systems control module (front of center console) Right instrument panel fuse box (under right side dash cover) Sos pushbutton switch W6 (left side of trunk) X18-c1 X25/8-c5a X28/24 X39/48-c1 Multifunction Camera Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Multifunction Camera Wiring Diagram for Mercedes-Benz S550 2010: 14 (left front footwell) w43 +12v dc Can e h Can e l Computer data lines system Fuse 5a Hot at all times Left instrument panel fuse box (under left side dash cover) Multifunction camera Video & radar sensor system controller unit (w/ speed limit assist) (right side of trunk) Video n Video n gnd Video p Video p gnd Parktronic Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Parktronic Wiring Diagram for Mercedes-Benz S550 2010: 44 (+) sh (+) sv (-) sh (-) sv (rear bumper) C142 Can-b h Can-b l Can-e h Can-e l Center left front pts ultrasonic sensor Center right front pts ultrasonic sensor (rear bumper) Cockpit switch group Computer data lines system Data Fuse 7.5a Hot at all times Inner left front pts ultrasonic sensor (rear bumper) Inner left rear pts ultrasonic sensor Inner right front pts ultrasonic sensor Inner right rear pts ultrasonic sensor Outer left front pts ultrasonic sensor Outer left rear pts ultrasonic sensor Outer right front pts ultrasonic sensor Outer right rear pts ultrasonic sensor Pts control module (right side trunk) Pts off switch Rear pts warning display Rear sam control module w/ fuse & relay module (center trunk) S1 v S10 h S2 v S3 v S4 v S5 v S6 v S7 h S8 h S9 h Upper control panel module W7/1 (left rear footwell) X213/1 X213/2 X25/8-c3 Rear Camera Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Rear Camera Wiring Diagram for Mercedes-Benz S550 2010: 11 Backup camera C141 Comand control unit Exterior lights system Fuse 5a Gnd Hot at all times Nca Rear sam control module w/ fuse & relay module (center trunk) Red W6 (left side of trunk)
PASSIVE RESTRAINTS Passive Restraints Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Passive Restraints Wiring Diagram for Mercedes-Benz S550 2010: 25 C19 Can-b h Can-b l Computer data lines system Fuse 40a Gk l Gk r Hot at all times Left front seat belt comfort feature solenoid (base of left "b" pillar) Left front seat control module Left instrument panel fuse box (under left side dash cover) Left rear seat belt buckle/belt comfort feature switch (in left rear seat belt buckle) Left rear seat belt comfort feature solenoid (under left rear window shelf) Nca Rear sam control module w/ fuse & relay module (center trunk) Rear seats control module Red Right front seat belt comfort solenoid Right front seat control module Right rear seat belt buckle/belt comfort feature switch (in right rear seat belt buckle) Right rear seat belt comfort feature solenoid W17 (right rear footwell) W18 (under left front seat) W19 (under right front seat) W54 (right front trunk)
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Mercedes-Benz S550 2010 List of elements for Power Distribution Wiring Diagram (1 of 4) for Mercedes-Benz S550 2010: 75 from engine compartment prefuse box (diagram 1 of 4) (left rear engine compt) front sam control module w/ fuse & relay module (not used) (right front footwell) interior prefuse box (right front wheelhouse) (3.5l hybrid) dc/dc converter control module (right rear engine compt) engine compartment prefuse box 30c A/c recirculation unit Air pump relay Air suspension compressor relay Battery management system control unit Battery red Can i h Can i l Central gateway control unit Computer data lines system Data link connector Electric refrigerant compressor Electric suction fan engine & a/c w/ integrated control Electrohydraulic power steering Engine circuit 87 relay Esp control module (w/o mild hybrid drive) regenerative braking system control unit (w/ mild hybrid drive) Fanfare horn relay From left instrument panel fuse box (diagram 3 of 4) Fuse Fuse 100a Fuse 10a Fuse 125a Fuse 150a Fuse 20a Fuse 25a Fuse 400a Fuse 40a Fuse 5a Fuse 7.5a Fuse 80a Generator Heated windshield control module (w/ special protection) Hv + Hv - If equipped Ig1 Ig2 Ig3 Instrument cluster Mr1 Mr2 Mr4 Nca On-board electrical system battery Pnk/red Power electronics control unit Power electronics control unit, battery management system control unit & front sam control module w/ fuse & relay module Pyrotechnical separator Quiescent current cutout relay Red Sensor Starter Starter circuit 15 relay To chassis circuit 87 relay (diagram 3 of 4) To circuit 15 relay (diagram 4 of 4) To circuit 15r relay (diagram 4 of 4) To eis (ezs) control unit (diagram 4 of 4) To front sam control module w/ fuse & relay module (diagram 1 of 4) To front sam control module w/ fuse & relay module (diagram 3 of 4) To left instrument panel fuse box (diagram 3 of 4) To rear sam control module w/ fuse & relay module (diagram 2 of 4) To rear sam control module w/ fuse & relay module (diagram 3 of 4) To right instrument panel fuse box (diagram 2 of 4) To special protection vehicle additional fuse holder (diagram 2 of 4) Upper control panel control unit Vaccume pump relay (+) (w/ mild hybrid drive) W15/1 (right front footwell) W3/9 Wiper park position heater relay Power Distribution Wiring Diagram (2 of 4) for Mercedes-Benz S550 2010 List of elements for Power Distribution Wiring Diagram (2 of 4) for Mercedes-Benz S550 2010: 69 (center trunk) rear sam control module w/ fuse & relay module (not used) (under right side dash cover) right instrument panel fuse box Alarm signal siren Battery management system control unit C10 C12 C13 C139 C14 C140 C16 C18 C19 C20 Cigar lighter relay Circuit 15 two way radio/ feed in relay carrier Circuit 15 two way radio/feed in relay carrier Circuit 30 connector sleeve Electric parking brake control unit Emergency call system control unit Fire extinguishing system control module From front sam control module w/ fuse & relay module (diagram 1 of 4) From interior prefuse box (diagram 1 of 4) Fuel pump relay module Fuse Fuse 10a Fuse 15a Fuse 20a Fuse 25a Fuse 30a Fuse 40a Fuse 50a Fuse 5a Fuse 7.5a Heating element If equi- pped If equipped Intelligent servo module for direct select Interior lights system Keyless go control module Left front door control module Left rear door control module Nca Outside speaker interfe- rence filter Pnk/red Power electronics circulation pump relay 1 Power electronics circulation pump relay 2 Power electronics control unit Power outlet relay Power window hydraulic pump relay Pyrotechnical separator (w/ mild hybrid drive) Rear cigar lighter Rear fuse box i Rear fuse box ii Rear window antenna amplifier module Rear window defroster relay Red Right front door control module Right rear door control module Special protection vehicle additional fuse holder Special vehicle multi-function control module Tlc (hds) control module To circuit 15 relay (diagram 4 of 4) To circuit 15r relay (diagram 4 of 4) To front sam control module w/ fuse & relay module (diagram 4 of 4) Vacuum pump relay (+) W/ mild hybrid drive W17 (right rear footwell) Power Distribution Wiring Diagram (3 of 4) for Mercedes-Benz S550 2010 List of elements for Power Distribution Wiring Diagram (3 of 4) for Mercedes-Benz S550 2010: 83 (center trunk) rear sam control module w/ fuse & relay module (left front footwell) w34 (left rear engine compt) front sam control module w/ fuse & relay module (not used) (under left side dash cover) left instrument panel fuse box Aac (kla) control module Airmatic w/ ads control module (w/ airmatic) abc control module (w/ abc) Audio tuner control unit Auxiliary battery Backup battery fuse C141 C142 C143 C144 C145 C146 C147 C148 C149 C150 C151 C152 C60 C62 C66 Chassis circuit 87 relay Comand control unit Comand display & spliview display Dtr control unit Electric control unit (vgs) Electric parking brake control unit Electric refrigerant compressor (w/ mild hybrid drive) Electrohydraulic power steering (w/ mild hybrid drive) Esp control module From fuse 120 s (diagram 3 fo 4) From fuse 29 (diagram 1 fo 4) From interior prefuse box (diagram 1 of 4) Front central operating unit Fuel pump control module Fuse Fuse 10a Fuse 15a Fuse 25a Fuse 30a Fuse 40a Fuse 5a Fuse 7.5a High definition tuner control unit If equipped Left front reversible emergency tensioning retractor Left front seat control module Left rear multicontour backrest control module Lumber pump (w/ standard equipment & lumber support) pneumatic pump for dynamic seat control (w/ dynamic seat) multicontour seat pneumatic pump (w/ multicontour seat) Me-sfi (me) control module Media interface control unit Multi-function camera Night vision assist control unit Overhead control panel control module Panoramic sliding roof control module Pts control module (w/ parktronic system) radar sensors control unit (sgr) (w/ distronic plus) Rcp (hbf) control module Rear a/c control module (if equipped) Rear climate control electronic blower regulator Rear seats control module Red Regenerative system control unit (w/ mild hybrid drive) Restraint systems control module Right front reversible emergency tensioning retractor Right front seat control module Right rear multicontour backrest control module Steering column module To dc/dc converter control module (diagram 1 of 4) To eis (ezs) control unit (diagram 4 of 4) To front sam control module w/ fuse & relay module (diagram 4 of 4) To fuse (diagram 3 fo 4) Tpm control module Transmission oil auxiliary pump control unit (w/ mild hybrid drive) Universal portable ctel interface (upci (uhi)) control module Voice control system (vcs (sbs)) control unit W/ mild hybrid drive W/ night vision assist W/ rear a/c Weight sensing system (wss) control unit Power Distribution Wiring Diagram (4 of 4) for Mercedes-Benz S550 2010 List of elements for Power Distribution Wiring Diagram (4 of 4) for Mercedes-Benz S550 2010: 69 (center trunk) rear sam control module w/ fuse & relay module (left rear engine compt) front sam control module w/ fuse & relay module (not used) (right front footwell) w15/1 30z 52a C133 C134 C135 C136 C137 C138 C61 C63 C64 C65 Can bh Can bl Can ch Can el Circuit 15r relay Circuit relay Computer data lines system Driver neck- pro head restraint solenoid Eis (ezs) control unit Emergency call system control unit Fanfare horn relay From backup battery fuse (diagram 3 of 4) From front sam control module fuse & relay module (diagram 1 of 4) From front sam control module w/ fuse & relay module (diagram 4 of 4) From fuse 130 r (diagram 2 of 4) From fuse 39 m (diagram 1 of 4) From fuse 40 l (diagram 1 of 4) From fuse q (diagram 2 of 4) From right instrument panel fuse box (diagram 2 of 4) From t fuse 64 (diagram 4 of 4) Front cigar lighter (w/ ashtray illumination) Front passenger neck-pro head restraint solenoid Fuel pump control module & me-sfi (me) control module Fuse Fuse 10a Fuse 10a (or 7.5a) Fuse 15a Fuse 30a Fuse 52a Fuse 52b 15a Fuse 5a Fuse 7.5a Instrument cluster Interior lights system Ism Left front headlamp unit Master wiper motor Mr2 Mr3 Nca Pnk/red Radar sensors control unit (sgr) Red Restraint systems control unit Right front door hydraulic power window open relay, right front door hydraulic power window closed relay, door hydraulic power window pressure switch, left front door hydraulic power window open relay, left front door hydraulic power window closed relay,right rear door hydraulic power window closed relay & right rear door hydraulic power window open relay Right front headlamp unit Slave wiper motor To fuse 61 (diagram 4 of 4) To rear sam control module w/ fuse & relay module (diagram 4 of 4) Volume control intermediate connector W/ mild hybrid drive W/ rear entertainment (dvd) W34 (left front footwell)
POWER DOOR LOCKS Automatic Door Locks Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010 List of elements for Automatic Door Locks Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010: 57 (-) (left front footwell) w34/1 (under left front seat) w18 +5v 58d Additional door lock motor (w/ additional door locks) m Can-b h Can-b l Child safety lock motor (w/ child safety door locks) Cl (zv) Cl (zv) motor Computer data lines system Data Dfk Door additional lock motor Door locks Drive lock pawl switch Driver door infrared sensor Flat wire Fuse 40a Hot at all times If equipped Illumination Keyless go system circuit Left front door control module (in left front door) Left front door entrance & exit lamp Left front door inside handle illumination Left front door lock unit Left front door trim strip illumination lamp 1 Left front door warning lamp Left rear door control module (in left rear door) Left rear door entrance & exit lamp Left rear door lock unit Left rear door trim strip illumination Left rear door warning lamp Left rear inside door handle illumination Motor Nca Opening assist m Opening assist motor Power closing motor Red Right instrument panel fuse box (under right side dash cover) Rotary tumbler switch Safety limit switch Sig Svs-mot Tzs-mot W/ additional door locks W/ ambiance W/ child safety W/ power closing W/o ambiance illumination X157/7-c1 X35/3-c1 X8/34 Zv-mot Automatic Door Locks Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010 List of elements for Automatic Door Locks Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010: 55 (-) 58d Additional door lock motor (w/ additional door locks) child safety lock motor (w/ child safety door locks) Can-b h Can-b l Cl (zv) Cl (zv) motor Computer Computer data lines system Data lines Dfk Door additional lock motor Door contact on & off switch Door locks Drive lock pawl switch Flat wire If equipped Illumination Keyless go system circuit M opening assist motor Motor Nca Opening assist motor Overhead control panel control module (center front of roof) Power closing motor Red Right front door control module (in right front door) Right front door entrance & exit lamp Right front door inside handle illumination Right front door lock switch Right front door trim strip illumination lamp 1 Right front door warning lamp Right rear door control module (in right rear door) Right rear door entrance & exit lamp Right rear door lock unit Right rear door trim strip illumination Right rear door warning lamp Right rear inside door handle illumination Rotary tumbler switch Safety limit switch Sig Svs-mot System Tzs-mot W/ additional door locks W/ ambiance W/ child safety W/ power closing W/o ambiance illumination W15/1 (right front footwell) W19 (under right front seat) X157/6-c1 X35/2-c5 X35/4-c1 Zv-mot Keyless Go System Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Keyless Go System Wiring Diagram for Mercedes-Benz S550 2010: 46 Ant Can-b h Can-b l Center console keyless go antenna Computer data lines system Fuse 15a Gnd Hot at all times Interior keyless go antenna (under rear seat) Keyless go control module (right rear trunk) Left front door lock unit Left front keyless go sensor unit Left front opening assist motor Left rear door keyless go antenna (in left rear doors) Left rear door lock unit Left rear keyless go sensor unit Left rear opening assist motor Nca Red Right front door lock switch Right front keyless go sensor unit Right front opening assist motor Right instrument panel fuse box (under right side dash cover) Right rear door keyless go antenna (in right rear doors) Right rear door lock unit Right rear keyless go sensor unit Right rear opening assist motor Top rear window antenna amplifier (center rear of roof) Trunk keyless go antenna W19 (under right front seat) X35/1-c2 X35/1-c3 X35/2-c2 X35/2-c3 X35/3-c1 X35/3-c2 X35/3-c3 X35/3-c8 X35/4-c1 X35/4-c2 X35/4-c3 X35/4-c8 X8/34 X8/35 X8/36 X8/37
POWER MIRRORS Power Mirrors Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Power Mirrors Wiring Diagram for Mercedes-Benz S550 2010: 28 15r 58d Ais ser Ambient light Automatic dimming mirror Back automatic dimming sensor Can-b h Can-b l Computer data lines system Data Flat wire Forward automatic dimming sensor Fuse 25a Garage door opener indicator lamp Garage door opener push button 1 Garage door opener push button 2 Garage door opener push button 3 Garage door opener transmitter unit Hot at all times Interior rearview mirror unit Left reading lamp Overhead control panel control module (center front of roof) Rain/light sensor Rear sam control module w/ fuse & relay module (center trunk) Red Right reading lamp W17/1 (left rear footwell) X25/8-c4
POWER SEATS Front Ventilation & Heated Seat Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Front Ventilation & Heated Seat Wiring Diagram for Mercedes-Benz S550 2010: 29 Can-b h Can-b l Computer data lines system Data Flat wire Fuse 40a Heated seat switch Hot at all times Left front backrest heated cushion Left front door control module (in left front door) Left front seat backrest ventilation motor group (if equipped) Left front seat control module Left front seat cushion ventilation motor group Left front seat heated cushion Left front seat operation switch group Left front seat ventilation blower regulator (if equipped) Left instrument panel fuse box (under left side dash cover) Red Right front backrest heated cushion Right front door control module (in right front door) Right front seat backrest ventilation motor group (if equipped) Right front seat control module Right front seat cushion ventilation motor group Right front seat heated cushion Right front seat operation switch group Right front seat ventilation blower regulator (if equipped) Seat ventilation switch W18 (under left front seat) W19 (under right front seat) Heated Steering Wheel Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Heated Steering Wheel Wiring Diagram for Mercedes-Benz S550 2010: 24 (fanfare horns: behind front bumper) fanfare horns & air bag clock spring contact (w/ esc) steering column adjustment switch (w/ steering wheel heater) steering column adjustment/ steering wheel heater switch Can-e h Can-e l Computer data lines system Front sam control module w/ fuse & relay module (left rear of engine compt) Fuse 10a Gnd Heater coil Heater coil temperature sensor Heater ind Heater switch Hot at all times Lin Lrh+ Lrh- Ntc+ Ntc- Red Steering column adjustment raise/ lower, forward/ back switch Steering column module (top of steering column) Steering wheel electronics Steering wheel heater W34 (left front footwell) Rear Multicontour Backrest Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Rear Multicontour Backrest Wiring Diagram for Mercedes-Benz S550 2010: 11 (left rear footwell) w17/1 Can-b h Can-b l Computer data lines system Fuse 7.5a Hot at all times Left instrument panel fuse box (under left side dash cover) Left rear multicontour backrest connector Left rear multicontour backrest control module (in driver's backrest) Right rear multicontour backrest connector Right rear multicontour backrest control module Rear Ventilation & Heated Seat Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Rear Ventilation & Heated Seat Wiring Diagram for Mercedes-Benz S550 2010: 40 (+) (right front trunk) w54 C143 Can-b h Can-b l Computer data lines system Data Flat wire Fuse 25a Heated seat switch Hot at all times Left rear backrest heated cushion (w/ seat heaters) Left rear door control module (in left rear door) Left rear seat backrest ventilation motor group Left rear seat cushion ventilation motor group Left rear seat heated cushion (w/ seat heaters) Left rear seat operation switch group Left rear seat ventilation blower regulator Nca Rear sam control module w/ fuse & relay module (center trunk) Rear seats control module Red Right rear backrest heated cushion (w/ seat heaters) Right rear door control module (in right rear door) Right rear seat backrest ventilation motor group Right rear seat cushion ventilation motor group Right rear seat heated cushion (w/ seat heaters) Right rear seat operation switch group Right rear seat ventilation blower regulator Seat ventilation switch Sibl W54 (right front trunk) X54/23 X54/24 X55/25-c1 X55/25-c2 X55/25-c3 X55/26-c1 X55/26-c2 X55/26-c3 Weight Sensing System Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Weight Sensing System Wiring Diagram for Mercedes-Benz S550 2010: 16 (+) (-) Belt tension sensor Can-b h Can-b l Computer data lines system Fuse 7.5a Hot at all times Left instrument panel fuse box (under left side dash cover) Nca Power distribution system Seat occupied recognition pressure sensor Sig W26 (under front of center console) Wss (weight sensing system) control unit (right front seat) X28/30
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Power Top/Sunroof Wiring Diagram for Mercedes-Benz S550 2010: 29 C148 C149 Can-b h Can-b l Computer data lines system Data Front roller sun blind hall sensor 1 & 2 Front roller sun blind motor Fuse 25a Gnd Hot at all times Hs 1 Hs 2 Hs pb Motor +(-) Motor -(+) Overhead control panel control module Panoramic sliding roof control module (front of roof) Panoramic sliding roof control unit Panoramic sliding roof hall sensor 1 Panoramic sliding roof hall sensor 2 Panoramic sliding roof motor Pnk Rear roller sun blind motor Rear sam control module w/ fuse & relay module (center trunk) Red Roof switch W17 (right rear footwell) X25/8-c4
POWER WINDOWS Power Windows Wiring Diagram (1 of 3) for Mercedes-Benz S550 2010 List of elements for Power Windows Wiring Diagram (1 of 3) for Mercedes-Benz S550 2010: 42 Can-b h Can-b l Computer data lines system Data Driver power window, outside mirror & trunk lid switch group Front power window diode matrix Fuse 40a Hot at all times Hs (-) Hs 1 Hs 2 Hs-ub Left front door control module (in left front door) Left front hydraulic window lifter fuse Left front hydraulic window lifter pressure switch Left front power window motor (in left front door) Left front power window switch Left front window closed hydraulic window lifter limit switch Left front window closed hydraulic window lifter redundancy limit switch Left rear power window & side window roller blind switch Motor Nca Pnk Power window solenoid valve 3 Power window solenoid valve 4 Power window solenoid valve 5 Power window solenoid valve 6 Power window solenoid valve 7 Power window solenoid valve 8 Rear power window diode matrix Rear side windows child safety lock switch Red Right front power window switch Right instrument panel fuse box (under right side dash cover) Right rear power window & side window roller blind switch Trunk lid open/ close switch W/ special protection W/o special protection W34/1 (left front footwell) W50 X202 X35/79 Power Windows Wiring Diagram (2 of 3) for Mercedes-Benz S550 2010 List of elements for Power Windows Wiring Diagram (2 of 3) for Mercedes-Benz S550 2010: 54 (not used) (or nca) 58d C11 Can-b h Can-b l Computer data lines system Data Fh-mot Fh-tief Fuse 40a Fuse 50a Hf-hoch Hot at all times Hs 1 Hs 2 Hs-ub Hydraulic pump thermo switch Left rear door control module (under left rear seat) Left rear door power window/ roller blind switch group Left rear hydraulic window lifter fuse Left rear hydraulic window lifter pressure switch Left rear power window & side window roller blind switch Left rear power window motor (in left rear door) Left rear power window switch Left rear side roller blind motor Left rear window closed hydraulic window lifter limit switch Left rear window closed hydraulic window lifter redundancy limit switch Motor + Nca Pnk Power window hydraulic pump Power window hydraulic pump relay Power window solenoid valve 1 Power window solenoid valve 2 Rear individual power window switches Rear side roller blind/roof roller blind/rear roller blind Rear window roller blind switch Red Right instrument panel fuse box (under right side dash cover) Right rear power window & side window roller blind switch Roof blind switch Special protection vehicle additional fuse holder Used) (not W/ special protection W/ top protection W/o special protection W/o top protection W18 (under left front seat) W50 X201 X202 X35/3-c1 X35/81 Power Windows Wiring Diagram (3 of 3) for Mercedes-Benz S550 2010 List of elements for Power Windows Wiring Diagram (3 of 3) for Mercedes-Benz S550 2010: 55 (in right front door) right front power window motor (not used) (or nca) (or pnk) (under right front seat) w19 58d C11 Can-b h Can-b l Computer data lines system Data Fh-mot+ Fh-tief Front passenger power window switch Fuse 40a Hf-hoch Hot at all times Hs (-) Hs 1 Hs 2 Hs-ub Left rear power window & side window roller blind switch Motor Nca Pnk Rear individual power window switch Rear side roller blind/roof roller blind/rear roller blind Rear window roller blind switch Red Right front door control module (in right front door) Right front hydraulic window lifter fuse Right front hydraulic window lifter pressure switch Right front window closed hydraulic window lifter limit switch Right front window closed hydraulic window lifter redundancy limit switch Right instrument panel fuse box (under right side dash cover) Right rear door control module (in right rear door) Right rear door power window/ roller blind switch group Right rear hydraulic window lifter fuse Right rear hydraulic window lifter pressure switch Right rear power window & side window roller blind switch Right rear power window motor (in right rear door) Right rear power window switch Right rear side roller blind motor Right rear window closed hydraulic window lifter limit switch Right rear window closed hydraulic window lifter redundancy limit switch Roof blind switch W/ special protection W/ top protection W/o special protection W/o top protection W15/1 (right front footwell) X35/2 X35/4-c1 X35/80 X35/82
RADIO COMAND Actuation Wiring Diagram for Mercedes-Benz S550 2010 List of elements for COMAND Actuation Wiring Diagram for Mercedes-Benz S550 2010: 59 (left front of trunk) emergency call system control unit (not used) 30g Antenna splitter Audio in l Audio in r Audio out l Audio out r Bus circuit C1a C1b Can a h Can a l Can f h Can f l Comand control unit Computer data Computer data lines system Connector Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 5a Fuse 7.5a Gnd Gps Ground Hands-free system microphone group Headphones connecting point Hot at all times Hot w/ quiescent current cutout relay energized Lines system Lvds rx+ Lvds rx- Mc 1 Mc 2 Mc gnd Mc shield Media interface Most data Most in Most out Nca Pnk Rear sam control module w/ fuse & relay module (center trunk) Shield Splitview display (w/ splitview display) comand display (w/ audio/comand display) Usb (universal serial bus) connector W/ media interface W/o media interface W43 (left front footwell) Wake up Walkman separation point X115-c1 X18-c1 X18/67 X18/70 X25/8-c5 X39/30 X39/45 X39/45-c2 Intercom Control Module Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Intercom Control Module Wiring Diagram for Mercedes-Benz S550 2010: 19 (+) (-) C20 External communication control module Fuse 30a Hot at all times Interior speaker Left outside mirror microphone Microphone separation point Mikro + Mikro - Mute connector Nca Outside speaker Rear fuse box 1 Red Right outside mirror microphone W7/1 (left rear footwell) X44/10 MOST Data Bus Wiring Diagram for Mercedes-Benz S550 2010 List of elements for MOST Data Bus Wiring Diagram for Mercedes-Benz S550 2010: 10 Audio tuner control unit Comand control unit Fiber optical cable connector (most) High definition tuner control unit (if equipped) Media interface control unit (if equipped) Most Out Universal portable ctel interface (upci (uhi)) control module (if equipped) Voice control system (vcs (sbs)) control unit (if equipped) (left side of trunk) Wake up Multimedia Interface Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Multimedia Interface Wiring Diagram for Mercedes-Benz S550 2010: 31 Acc det. Acc idlt. Audio left Audio return Audio right Audio shield Cabel det. Comand control unit Fuse 5a Gnd Hot at all times Ipod det. sec. audio Left instrument panel fuse box (under left side dash cover) Media interface connector Media interface control unit Most Most data bus circuit Most in Most out Nca Pnk Pwr gnd Red Return sec. right Sec. left U batt Usb digital Usb shield W18 (under left front seat) Wake up X18/67 Radio Wiring Diagram (1 of 3) for Mercedes-Benz S550 2010 List of elements for Radio Wiring Diagram (1 of 3) for Mercedes-Benz S550 2010: 49 Audio tuner control unit Cen + Cen - Center cockpit speaker (centerfill) Fuse 40a Hl + Hl - Hot at all times Hr + Hr - Left front door sound tweeter Left front door sound woofer & midrange speaker group Left instrument panel fuse box (under left side dash cover) Midrange speaker Most data bus circuit Most in Most out Most wake up Mute Nca Right front door sound tweeter Right front door sound woofer & midrange speaker group Right rear surround loudspeaker Sub1 + Sub1 - Sub2 + Sub2 - Surhl + Surhl - Surhr + Surhr - Vl + Vl - Vls1 + Vls1 - Vls2 + Vls2 - Vr + Vr - Vrs1 + Vrs1 - Vrs2 + Vrs2 - W6 (left side of trunk) Woofer X1/16-c1 X18-c1 X35/1-c1 X35/2-c1 Radio Wiring Diagram (2 of 3) for Mercedes-Benz S550 2010 List of elements for Radio Wiring Diagram (2 of 3) for Mercedes-Benz S550 2010: 30 (not used) 1 fm2 2 am/fmm Ant Bass module loudspeaker Can-b h Can-b l Computer data lines system Fuse 25a Fuse 7.5a Fzv Gnd High definition tuner control unit Hot at all times Keyless go control unit (if equipped) (right rear trunk) Left front door speaker group Left rear door guard speaker (w/ special protection) Left rear surround loudspeaker Nca Rear sam control module w/ fuse & relay module (center trunk) Rear window antenna amplifier module Red Right rear door guard speaker (w/ special protection) Right rear door speaker group Shield Tweeter Woofer X1/16-c1 X35/3-c1 X35/4-c1 Radio Wiring Diagram (3 of 3) for Mercedes-Benz S550 2010 List of elements for Radio Wiring Diagram (3 of 3) for Mercedes-Benz S550 2010: 41 (left front footwell) (left side of trunk) w6 Antenna splitter Button "back" Button "on" Can b h Can b l Can-a h Can-a l Can-d h Can-d l Center console button group Comand control unit Computer data lines system Disc/radio quick select button Emergency call system control unit (left front of trunk) Freely programm- able button Front central operating unit Gps antenna (rear center of roof) Hazard warning system button Head restraint folding button Lin-bus Multi- contour seat quick select button Nca Portable ctel antenna amplifier Progkey Rear window roller sun blind button Red Telephone/ navigation quick select button Transmission modes button Turn/ push control Uhi portable ctel holder (universal handy interface) Universal portable ctel interface (upci (uhi)) control module Upper control panel control module Volume control W43 Wbs-in Wbs-led Wbs-out X18-c1 X39/39-c3 Satellite Radio Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Satellite Radio Wiring Diagram for Mercedes-Benz S550 2010: 18 (left side of trunk) w6 1 fm2 2 am/fm1 Ant Fuse 5a High definition tuner control unit Hot at all times Left instrument panel fuse box (under left side dash cover) Most Most data bus circuit Most in Most out Nca Rear window antenna amplifier module Sdar antenna (on rear deck lid) Shield Wake up X1/56
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Shift Interlock Wiring Diagram for Mercedes-Benz S550 2010: 26 (left front footwell) w34 58d Can b h Can b l Can g h Can g l Chassis circuit 87 relay Computer data lines system Electric parking brake control unit (left rear wheelwell) Electric parking brake switch Engine compartment prefuse box (right rear engine compt) Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 150a Fuse 30a Fuse 5a Hot at all times Mr1 Mr4 Rear sam control module w/ fuse & relay module (center trunk) Red Sw 1 Sw 3 Sw 4 Sw 6 W54/3 (left front trunk) X18-c2
STARTING/CHARGING Charging Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Charging Wiring Diagram for Mercedes-Benz S550 2010: 23 Battery sensor Bd lin Can-c h Can-c l Can-e h Can-e l Can-f h Can-f l Computer data lines system Engine compartment prefuse box (right rear engine compt) Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 400a Generator Instrument cluster Interior prefuse box (right front footwell) Lin Me-sfi (me) control unit (right rear of engine compt) Mr8 Multi- function display On-board electrical system battery Red Starting circuit W10/4 (right side of tank) Starting Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Starting Wiring Diagram for Mercedes-Benz S550 2010: 34 12v emergency starter relay Battery sensor Can-c h Can-c l Can-e h Can-e l Circuit 15 time delay relay Computer data lines system Eis (ezs) control unit Electric control unit (vgs) Emergency start aid fuse Emergency start push button Engine circuit 87 relay Engine compartment prefuse box (right rear engine compt) Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 150a Fuse 20a Intelligent servo module for direct select (transmission housing) Interior prefuse box (right front footwell) Me-sfi (me) control unit (right rear of engine compt) Mr1 Mr2 Mr4 On board electrical system battery Power window overvoltage protection diode Red Solid state Special vehicle multifunction control module (svmcm (mss)) Start Starter Starter circuit 15 relay Starter circuit 50 relay W19 (under right front seat) X26-c1
SUPPLEMENTAL RESTRAINTS Emergency Seat Belt Tensioners Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Emergency Seat Belt Tensioners Wiring Diagram for Mercedes-Benz S550 2010: 12 Can h Can l Computer data lines system Fuse 123 40a Fuse 124 40a Hot at all times Left front reversible emergency tensioning retractor Rear sam control module w/ fuse & relay module Red Right front reversible emergency tensioning retractor W18 (under left front seat) W19 (under right front seat) Supplemental Restraint Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010 List of elements for Supplemental Restraint Wiring Diagram (1 of 2) for Mercedes-Benz S550 2010: 78 (+) (-) (center trunk) rear sam control module w/ fuse & relay module (right front seat) weight sensing system (wss) control unit (right rear of engine compt) battery management system control unit (right rear of engine compt) me-sfi (me) control unit (under front of center console) w26 15r Belt tension sensor C19 C61 C64 Cak, bf Cak, fa Can b h Can b l Can h Can l Compt) Computer data lines system Crash Crash out Driver buckle etr squib (bottom of left "b" pillar) Ds, bf+ Ds, fa+ Ds, hl+ Ds, hr+ Except hybrid Front passenger buckle etr squib (bottom of right "b" pillar) Front sam control module w/ fuse & relay module (left rear engine Fuse 10a (or 7.5a) Fuse 7.5a Gss, bf Gss, fa Gst, bf+ Gst, bf- Gst, fa+ Gst, fa- Gus, hl+ Gus, hl- Gus, hr+ Gus, hr- Hot at all times Hot w/ circuit 15r relay energized Hybrid Left front side air bag ignition squib Left instrument panel fuse box (under left side dash cover) Left rear etr squib (left "c" pillar) Left rear side air bag ignition squib Left rear window air bag ignition squib Nca Pyrotechnical seperator Red Restraint systems control module (front of center console) Right front side air bag ignition squib Right rear etr squib (right "c" pillar) Right rear side air bag ignition squib Right rear window air bag ignitiion squib Sb, bf+ Sb, bf- Sb, fa+ Sb, fa- Sb, hl+ Sb, hl- Sb, hr+ Sb, hr- Seat occupied recognition pressure sensor Sig Ss, bf Ss-fa Ufs, bf W26 (under front of center console) Wb, rl+ Wb, rl- Wb, vl+ Wb, vl- X28/29 X28/30 Supplemental Restraint Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010 List of elements for Supplemental Restraint Wiring Diagram (2 of 2) for Mercedes-Benz S550 2010: 43 (front of center console) restraint systems control module (right side of dash) front passenger air bag ignition squib 1 (right side of dash) front passenger air bag ignition squib 2 (top of steering column) steering column module Ab1, bf+ Ab1, bf- Ab1, fa+ Ab1, fa- Ab2, bf+ Ab2, bf- Ab2, fa+ Ab2, fa- Air bag indicator & warning lamp Computer data lines system Driver air bag ignition squib 1 Driver air bag ignition squib 2 Driver assist air bag system Driver door pressure sensor Driver knee bag ignition squib (if equipped) Driver neck-pro head restraint solenoid Driver seat belt buckle & seat belt warning switch Driver's side frontal acceleration sensor (left front of engine compt) Driver's side rear door pressure sensor Emergency call system control unit (left front of trunk) Fanfare horn & air bag clock spring contact (behind front bumper) Front passenger assist air bag system Front passenger door pressure sensor Front passenger neck-pro head restraint solenoid Front passenger seat belt buckle & seat belt warning switch Instrument cluster Passenger side rear door pressure sensor Passenger's side frontal acceleration sensor (right front of engine compt) Pnk W26 (under front of center console) X150/1 X150/2 X28/24 X28/29 X28/30 X35/1-c4 X35/2-c4 X35/3-c1 X35/4
TRANSMISSION Transmission Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Transmission Wiring Diagram for Mercedes-Benz S550 2010: 51 (left rear engine compartment) front sam control module w/ fuse & relay module (right front footwell) (right rear engine compartment) B1 brake ctrl sol vlv (vgs) B2 brake ctrl sol vlv (vgs) B3 brake ctrl sol vlv (vgs) Can b h Can b l Can c h Can c l Can-a h Can-a l Can-c h Can-c l Can-f-h Can-f-l Computer data lines system Computer data lines system w15/1 (right front footwell) Diag k Electric control unit (vgs) Engine compartment prefuse box Front central operating unit Fully integrated transmission control (vgs) control unit Fuse 150a Fuse 15a Fuse 30a Fuse 7.5a Gear display Hot at all times Hot w/ chassis circuit 87 relay energized Instrument cluster Intelligent servo module for direct select (transmission housing) Internal speed sensor (vgs) K1 clutch ctrl sol vlv (vgs) K2 clutch ctrl sol vlv (vgs) K3 clutch ctrl sol vlv (vgs) Mr4 Mri Output speed sensor (vgs) Red Right instrument panel fuse box (under right side dash cover) Selection range sensor (vgs) Torque converter lockup clutch ctrl sol vlv (vgs) Transmission mode display Transmission modes button Transmission oil auxiliary pump control unit (3.5l hybrid) (transmission housing) Transmission oil temp sensor (vgs) Turbine speed sensor (vgs) W15/1 W15/1 (right front footwell) Working press ctrl sol vlv (vgs)
TRUNK, TAILGATE, FUEL DOOR Trunk Pull-Down Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Trunk Pull-Down Wiring Diagram for Mercedes-Benz S550 2010: 18 (+) (-) Can-b h Can-b l Computer data lines system Fuse 30a Hot at all times Led Nca Red Right instrument panel fuse box (under right side dash cover) Sig Tlc (hds) button Tlc (hds) control module (right rear of trunk) Tlc (hds) hydraulic pump Trunk lid position sensor W54 (right front trunk) X8/41 Trunk Release Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Trunk Release Wiring Diagram for Mercedes-Benz S550 2010: 28 Can-b h Can-b l Computer data lines system Data Driver power window outside mirror & trunk lid switch Flat wire Fuel filler flap cl motor Fuse 150a Fuse 40a Gearing 2 Hd-as Hot at all times Interior prefuse box (right front footwell) Left front door control module (in left front door) Lf power window sw Lock pawl Rear sam control module w/ fuse & relay module (center trunk) Red Rf power window sw Right instrument panel fuse box (under right side of dash cover) Rotary tumbler Trunk lid cl (zv) motor Trunk lid contact switch (rear of trunk lid) Trunk lid emergency release switch Trunk lid external operation switch Trunk lid open/close sw W34/1 (left front footwell) W54 (right front trunk)
WARNING SYSTEMS Seat Belt Warning Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Seat Belt Warning Wiring Diagram for Mercedes-Benz S550 2010: 49 (left rear engine compt) (under front of center console) 15g Audible turn signal ind Brake fluid indicator switch (left rear of engine compt) Brake fluid warning lamp Can-b h Can-b l Can-e h Can-e l Can-f h Can-f l Computer data lines system Dfk Door locks system Driver seat belt buckle & seat belt warning switch Engine compartment prefuse box (right rear engine compt) Front sam control module w/ fuse & relay module Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 150a Fuse 7.5a Gnd Gss fa Hot at all times Hot w/ circuit 15 relay energized Hot w/ quiescent current cutout relay energized Instrument cluster Left front door control module (in left front door) Left front door lock unit Left instrument panel fuse box (under left side dash cover) Lin bus Mr1 Mr4 Mr7 Nca Pnk/ red Pnk/red Power distribution system Red Restraint systems control module (front of center console) Right front brake pad wear sensor (behind right front wheel) Rotary tumbler switch Seat belt reminder lamp Sig W26 W26 (under front of center console) W34 (left front footwell) Warning buzzer X28/29 Tire Pressure Monitoring Wiring Diagram for Mercedes-Benz S550 2010 List of elements for Tire Pressure Monitoring Wiring Diagram for Mercedes-Benz S550 2010: 23 15g Can-b h Can-b l Can-f h Can-f l Computer data lines system Front sam control module w/ fuse & relay module (left rear engine compt) Fuse 5a Fuse 7.5a Hot at all times Hot w/ circuit 15 relay energized Instrument cluster Left front tpm (rdk) wheel sensor Left instrument panel fuse box (under left side dash cover) Left rear tpm (rdk) wheel sensor Pnk/ red Pnk/red Right front tpm (rdk) wheel sensor Right rear tpm (rdk) wheel sensor Tire pressure monitor warning lamp Tpm control module (right front footwell) W34 (left front footwell) W54/3 (left front trunk)
