POWER DISTRIBUTION – Mercedes-Benz S550 4Matic 2012 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Mercedes-Benz S550 4Matic 2012

List of elements for Power Distribution Wiring Diagram (1 of 4) for Mercedes-Benz S550 4Matic 2012:

• (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 air 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
• Eco start/stop function diode
• Eco start/stop function relay & heated windshield control unit (w/ special protection)
• Electric refrigerant compressor
• Electric suction fan engine & a/c w/ integrated control
• Electro- hydraulic 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 engine compartment prefuse box (diagram 1 of 4)
• From front sam control module w/ fuse & relay module (diagram 3 of 4)
• From left instrument panel fuse box (diagram 3 of 4)
• Fuse
• Fuse 100a
• Fuse 10a
• Fuse 125a
• Fuse 150a
• Fuse 25a
• Fuse 400a
• Fuse 40a
• Fuse 5a
• Fuse 7.5a
• Fuse 80a
• Generator
• Hv +
• Hv -
• If equipped
• Ig1
• Ig2
• Ig3
• Instrument cluster
• Mr1
• Mr2
• Mr4
• Nca
• On-board electrical system battery
• Power electronics control unit
• Power electronics control unit, battery management system control unit & esp control unit
• 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/ spare 1 relay (change over contact) (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
• Vacuum pump relay (+) (w/ mild hybrid drive)
• W/ eco start/stop function
• W/o eco start/stop function
• W15/1 (right front footwell)
• W3/9
• Wiper park position heater relay

Power Distribution Wiring Diagram (2 of 4) for Mercedes-Benz S550 4Matic 2012

List of elements for Power Distribution Wiring Diagram (2 of 4) for Mercedes-Benz S550 4Matic 2012:

• (center front of trunk) rear sam control module w/ fuse & relay module
• (not used)
• (under right side dash cover) right instrument panel fuse box
• (w/ 115v)
• 115 ac
• 115 ac2
• 115v socket (if equipped)
• 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
• Dc/ac converter control unit
• Digital sound processor (w/ bang & olufsen sound system)
• Electric parking brake control unit
• Emergency call system control unit, pas & special signal system control unit & external communication 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)
• From rear sam control module w/ fuse & relay module c (diagram 3 of 4)
• Fuel pump relay
• Fuse
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 30a
• Fuse 30a (or 50a)
• Fuse 40a
• Fuse 50a
• Fuse 5a
• Fuse 7.5a
• Heated rear wndow relay
• Heating element
• If equi- pped
• If equipped
• Intelligent servo module for direct select
• Interior lights system
• Inverter
• Keyless go control module
• Left front door control module
• Left rear door control module
• Me-sfi (me) control unit & fuel pump control unit
• 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 (w/ 12v socket)
• Rear fuse box i
• Rear fuse box ii
• Rear window antenna amplifier module
• Red
• Right front door control module
• Right rear door control module
• Sound amplifier
• Special protection vehicle additional fuse holder (right front of trunk)
• Special vehicle multi-function control module
• Tlc (hds) control module
• To circuit 15 relay/ spare 1 relay (change over contact) (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/ 115v socket
• W/ 12v socket
• W/ mild hybrid drive
• W17 (right rear footwell)
• W54 (right front trunk)

Power Distribution Wiring Diagram (3 of 4) for Mercedes-Benz S550 4Matic 2012

List of elements for Power Distribution Wiring Diagram (3 of 4) for Mercedes-Benz S550 4Matic 2012:

• (center trunk) rear sam control module w/ fuse & relay module
• (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 unit
• Additional battery
• Airmatic w/ ads control module (w/ airmatic) abc control module (w/ abc)
• Audio tuner control unit
• 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
• 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 29 (diagram 1 fo 4)
• From interior prefuse box (diagram 1 of 4)
• From s fuse 120 (diagram 3 fo 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 unit
• 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 unit
• Rear a/c control unit (if equipped)
• Rear air conditioning electronic blower controller
• Rear seats control module
• Red
• Regenerative breaking 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
• Splitview display (if equipped) comand display (w/ audio/ comand display)
• Steering column module
• To dc/ac converter control unit (diagram 2 of 4)
• 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 view assist
• W/ rear a/c
• W34 (right front foot well)
• Weight sensing system (wss) control unit

Power Distribution Wiring Diagram (4 of 4) for Mercedes-Benz S550 4Matic 2012

List of elements for Power Distribution Wiring Diagram (4 of 4) for Mercedes-Benz S550 4Matic 2012:

• (center front of 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
• 12 volt connector glove compartment (if equipped)
• 30z
• 52a
• C133
• C134
• C135
• C136
• C137
• C138
• C61
• C63
• C64
• C65
• Can bh
• Can bl
• Can eh
• Can el
• Circuit 15r relay
• Circuit relay/ spare 1 relay (change over contact)
• Circuit relay/ spare relay 1 (change over contact)
• 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 bumper left inner radar sensor, front bumper right inner radar sensor, rear bumper right outer radar sensor & rear bumper left outer radar sensor
• 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
• Luggage compar- tment socket
• Master wiper motor
• Mr2
• Mr3
• Nca
• Pnk/red
• Power electronics circulation pump relay 1
• Red
• Restraint systems control unit
• 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)
• W/ mild hybrid drive
• W34 (left front footwell)
• W7/1 (right rear of trunk)