All Wiring Diagrams for Mercedes-Benz S500 2003 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003:

• (2003)
• (right foot- well) w36/2
• +12v
• A/c system blower unit
• Aac multifunction sensor (right rear of eng compt)
• Aac pushbutton control module (front center console)
• Aac sun sensor
• Blower motor
• Blower regulator
• Can-b h
• Can-b l
• Computer data lines system
• Coolant circulation pump
• Engine control module (me-sfi) (right rear of eng compt)
• Engine/climate control electric cooling fan (front center of engine)
• Evaporator temperature sensor
• Fuse 10a
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Fuse 23 10a (2003)
• Fuse 60a
• Fuse 82 10a (2003-6)
• Hot at all time
• Hot at all times
• Hot in on or start
• Hot w/ engine electronic/ chassis relay
• L12
• L26
• L39
• Left duovalve
• Left front fuse/relay module (2003) (left rear of engine compt) cockpit fuse box (2004-5) (right side of dash)
• Left front sam control module (in fuse/relay box, left side)
• Left heater core temperature sensor
• Left rear heater core temperature sensor (w/rear a/c)
• Mr1
• Mr2
• Nca
• Rear a/c electronic blower regulator (w/rear a/c)
• Rear blower motor (w/rear a/c)
• Rear evaporator temperature sensor (w/rear a/c)
• Rear fuse/ relay module (under right rear seat)
• Red
• Refrig temp sens gnd
• Refrig temp sens sig
• Refrigerant temperature sensor (left front of eng compt)
• Right duovalve
• Right front fuse/ relay module (right rear of engine compt)
• Right front sam control module (in fuse relay box, right side)
• Right fuse/ front relay module (left rear of engine compt)
• Right heater core temperature sensor
• Right rear heater core temperature sensor (w/rear a/c)
• Solid state
• Terminal block & fuse block (circuit 30 & 61)
• W2 (right side of eng compt)
• W28/1 (at left door sill)
• W3/7 (right front wheelhousing)

Automatic A/C Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003:

• (at left door sill) w28/1
• (right footwell) w36/2
• 58d
• Active charcoal filter flap adjustment motor
• Air distribution (up/down) actuator motor (w/rear a/c) (behind center of dash)
• Can-bh
• Can-bl
• Computer data lines system
• Coolant circulation pump
• Electronic center air outlet control module (center of dash)
• Electronic stepper motor control module (in center console)
• Fresh air/ recirculated air actuator motor
• Interior lights system
• Left air outlet illum- ination
• Left center vent diverter flap actuator motor
• Left center vent temperature control actuator motor
• Left defroster vent flap actuator motor
• Left duovalve
• Left footwell flap actuator motor
• Nca
• Pnk
• R134a
• Rear a/c control module (w/rear a/c) (front center console)
• Rear refrigerant shut-off valve (w/rear a/c) (at left front wheelhouse)
• Red
• Right air outlet illum- ination
• Right center vent diverter flap actuator motor
• Right center vent temperature control actuator motor
• Right defroster vent flap actuator motor
• Right duovalve
• Right footwell flap actuator motor
• Solid state

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003

List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003:

• Brake booster (bas)
• Esp brake pressure sensor (behind left headlamp)
• Esp/sps/bas control module (left rear of eng compt)
• Front axle switchover
• Front axle vacuum
• Fuse 150a
• Fuse 50a
• High pressure/ return pump
• High pressure/ return pump relay
• Hot at all times
• I3 red
• Left front fuse/relay module (left rear of engine compt)
• Left front hold
• Left front release
• Left front vss sensor (left front wheelhouse)
• Left rear hold
• Left rear release
• Nca
• Rear axle switchover
• Rear axle vacuum
• Red
• Release switch
• Right front hold
• Right front release
• Right front vss sensor (right front wheelhouse)
• Right rear hold
• Right rear release
• Solenoid valve
• Sps solenoid valve (on power steering pump)
• Terminal block & fuse box
• Traction system hydraulic unit
• Travel sensor
• W9 (at left headlight)

Anti-lock Brakes Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003

List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003:

• (upper left footwell) data link connector
• Abs mil indicator
• Cockpit fuse box (right side of dash)
• Computer data lines system
• Esp warning indicator
• Esp/sps/bas control module (left rear of eng compt)
• Fuse 5a
• Fuse 7.5a
• Headlights system
• Hot at all times
• Hot in run or start
• Instrument cluster
• L15
• Left front fuse/relay module (left rear of engine compt)
• Left rear vss (left rear wheelhouse)
• Nca
• Rear sam control module (under right rear seat)
• Right front fuse/relay module (right rear of engine compt)
• Right rear vss (right rear wheelhouse)
• Stoplight switch (on top of brake pedal)
• Tele aid control module (if equipped)
• Turn rate & lateral acceleration sensor (under left rear seat)

ANTI-THEFT

Anti-theft Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Anti-theft Wiring Diagram for Mercedes-Benz S500 2003:

• 87a
• Alarm siren (w/ auxiliary battery) (rear of left front wheelwell)
• Anti- tow relay
• Anti-tow
• Ata (edw) inclination sensor (beneath right rear seat)
• Ata hood switch (front center of eng compt)
• Can-b h
• Can-b l
• Computer data lines system
• Edw
• Electronic ignition-starter switch control module (left side of dash, integral with ignition switch)
• Engine control module (me-sfi) (right rear corner of engine compt)
• Fuse 5a
• Fuse 60a
• Hood
• Hot at all times
• Left front door control module (in door)
• Left front door switch
• Left front ir receiver (in handle)
• Left front sam control module (in left front fuse/relay box)
• Left rear door switch
• Lf door
• Lr door
• Overhead control panel control module (above center rearview mirror)
• Rear fuse/ relay module (under right rear seat)
• Rear sam control module (below right rear seat)
• Red
• Rf door
• Right front door control module (in door)
• Right front door switch
• Right front ir receiver (in handle)
• Right front sam control module (in right front fuse/relay box)
• Right rear door switch
• Rr door
• Terminal block & fuse box
• Trnk
• Trunk lid micro- switch
• Ts/ims/ata function indicator switch
• Ultrasonic echolot sensor
• Upper control field control module (top center of dash)
• W15/2 (left footwell)
• W17/1 (under left rear seat)
• W2 (right side of eng compt)
• W28/1 (at left door sill)
• W28/2 (at right door sill)
• W7/1 (near right taillight)

BODY CONTROL MODULES

Left Front SAM Control Module Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Left Front SAM Control Module Wiring Diagram for Mercedes-Benz S500 2003:

• (at left headlight)
• (on parking brake lever bracket) parking brake switch
• 87a
• Air conditioning system
• Anti-theft system
• Brake fluid level switch (on brake master cylinder reservoir)
• Circuit 15r relay
• Circuit relay
• Computer data lines system
• Electronic power steering system
• Electronic suspension system
• Exterior lights system
• Headlights system
• Hot at all times
• Interior lights system
• Left front brake pad wear sensor
• Left front fuse/relay module (left rear of engine compt)
• Left front sam control module
• Nca
• Outside temperature indicator sensor
• Red
• Steering column height adjustment relay 1
• Steering column height adjustment relay 2
• Steering column longitudinal adjustment relay 1
• Steering column longitudinal adjustment relay 2
• W15/2 (left side of eng compt)
• W9 (left side of eng compt)
• Windshield park heater relay
• Wiper on/off relay
• Wiper stage 1 & 2 relay
• Wiper/washer system

Rear SAM Control Module Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Rear SAM Control Module Wiring Diagram for Mercedes-Benz S500 2003:

• (not used)
• Anti-lock brakes system
• Anti-theft system
• Circuit relay
• Computer data lines system
• Door locks system
• Exterior lights system
• Fuse 50a
• Headlights system
• Hot at all times
• Instrument cluster system
• Interior lights system
• Left front fuse/relay module (left rear of engine compt)
• Left front sam control module
• Nca
• Passive restraints system
• Pnk/red
• Rear fuse/relay module (under right rear seat)
• Rear sam control module (below right rear seat)
• Rear sunshade relay
• Rear window defroster relay
• Right rear brake pad wear sensor
• Towing sensor relay
• W28/2 (at right door sill)

Right Front SAM Control Module Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Right Front SAM Control Module Wiring Diagram for Mercedes-Benz S500 2003:

• (not used)
• (right footwell) w36/1
• Air conditioning system
• Circuit relay
• Computer data lines system
• Engine coolant level switch
• Engine electronic/ chassis relay
• Exterior lights system
• Fanfare relay
• Headlights system
• Hot at all times
• Interior lights system
• Left front fuse/relay module (left rear of engine compt)
• Left front sam control module
• Nca
• Pnk/red
• Right front brake pad wear sensor
• Right front fuse/relay module (right rear of engine compt)
• Right front sam control module
• Starting/charging system
• W2 (right side of eng compt)
• Wiper/washer fluid level switch
• Wiper/washer system

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Data Link Connector Wiring Diagram for Mercedes-Benz S500 2003:

• (2003 & early prod of 2004)
• (2003-2004 models only)
• (late prod of 2004, 2005 & 2006)
• 81a
• 84a
• Airmatic control module
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Can-d h
• Can-d l
• Central gateway control module
• Cockpit fuse box (right side of dash)
• Comand operating, display & control module
• Data link connector (dlc) (at upper left footwell)
• Diag
• Dtr control module
• Electronic ignition- starter switch (eis) control module
• Electronic selector lever control module
• Engine control module (me-sfi) (right rear of engine compt)
• Esp/sps/bas control module
• Etc control module
• Fuse 10a
• Fuse 5a
• Headlamp range adjustment control module
• High/low bus circuit
• Hot at all times
• Hot in run or start
• Instrument cluster
• Steering column module
• Tele aid control module
• W36/2 (right footwell)

High/Low Bus Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003

List of elements for High/Low Bus Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003:

• (2003) (2004-2006)
• Can-b h
• Can-b l
• Comand operating, display & control unit (2003 models) audio gateway control unit (2004-2006 models)
• Keyless go control module (right trunk)
• Left front door control module (in left front door)
• Left front esa control module (w/memory) (under left front seat)
• Left rear door control module (left rear door)
• Left voltage distributor (can) connector (in left front footwell)
• Overhead control panel unit control module
• Parktronic system (pts) control module (under right rear seat)
• Pneumatic system equipment (pse) control module (left trunk)
• Rear a/c control module (front center console)
• Rear sam control module (under right rear seat)
• Right front door control module (in right front door)
• Right front esa control module (w/memory) (under right front seat)
• Right rear door control module (in right rear door)
• Right voltage distributor (can) connector (in right front door sill)
• Tele aid control module (under right rear seat)
• Tire pressure control module (right front footwell, under step plate)

High/Low Bus Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003

List of elements for High/Low Bus Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003:

• Can-b h
• Can-b l
• Central gateway control unit (in left front footwell)
• Climate control pushbutton control module (front center console)
• Cockpit voltage distributor (can) connector (in left front footwell)
• Dc/dc converter control module (right trunk)
• Electronic ignition- starter switch (eis) control module (left side of dash)
• Instrument cluster
• Left front sam control module (in fuse relay box, left side)
• Pneumatic pump for dynamic seat control module (left trunk)
• Rear seat control module (under right rear seat)
• Restraint system control module (front center console)
• Right front sam control module (in fuse relay box, right side)
• Right voltage distributor (can) connector (in right front door sill)
• Steering column module (left side of dash)
• Upper control field control module (center of dash)

COOLING FAN

Cooling Fan Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Cooling Fan Wiring Diagram for Mercedes-Benz S500 2003:

• (right rear of
• Can h
• Can l
• Computer data lines system
• Cool tmp
• Coolant temperature sensor (front of engine)
• Eng compt)
• Engine control module (me-sfi)
• Engine/climate control electric cooling fan (front center of engine)
• Fan
• Fuse 150a
• Fuse 20a
• Hot at all time
• Hot w/ engine electronic/ chassis relay
• Mr1
• Mr2
• Red
• Right front fuse/ relay module (right rear of engine compt)
• Sens -
• Terminal block & fuse block (circuit 30 & 61)
• W3/7 (left front wheelhousing)

CRUISE CONTROL

Cruise Control Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Cruise Control Wiring Diagram for Mercedes-Benz S500 2003:

• 78a
• Accel/set
• Accelerator pedal sensor (above pedal assembly)
• Can h
• Can l
• Cockpit fuse box (right side of dash)
• Computer data lines system
• Cruise control switch
• Ctrl contact
• Decel/set
• Ea ip1s
• Ea ip2s
• Engine control module (me-sfi) (right rear of engine compt)
• Fuse 7.5a
• Hot at all times
• Memory recall
• Nca
• Off
• Red
• Sig
• Steering column module (top of steering column)
• Throttle valve actuator (rear top center of engine)
• W36/2 (right footwell)

Electronic Accelerator/Cruise/Idle Speed Control Wiring Diagram, Early Production for Mercedes-Benz S500 2003

List of elements for Electronic Accelerator/Cruise/Idle Speed Control Wiring Diagram, Early Production for Mercedes-Benz S500 2003:

• (at upper left footwell) data link connector
• Can h
• Can l
• Can-c h
• Can-c l
• Computer data lines system
• Data+
• Data-
• Diag
• Distronic (dtr) control module (right front footwell, under step plate)
• Dtr radar sensor (front center of eng compt)
• Engine control module (me-sfi)
• Fuse 7.5a
• Gnd
• Hot at all times
• L17
• Nca
• Red
• Right front fuse/relay module (right rear of engine compt)
• Shld
• Vf+
• Vf-
• W36/2 (right footwell)

DEFOGGERS

Defoggers Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Defoggers Wiring Diagram for Mercedes-Benz S500 2003:

• (under right rear seat) rear sam control module
• Aac pushbutton control module (front center console)
• Ambient temperature display temperature sensor (behind left side of front bumper)
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Electronic ignition-starter switch (eis) control module
• Esp/sps/bas control module
• Fuse 50a
• Hot at all times
• Interior air temperature sensor
• Left front sam control module (in left fuse box)
• Left front vss (left front wheel- house)
• Nca
• Overhead control panel control module (above center rearview mirror)
• Rear fuse/ relay module (under right rear seat)
• Rear window defrost element
• Rear window defroster relay
• Rear window defroster switch
• W13 (left "c" pillar)

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Electronic Suspension Wiring Diagram for Mercedes-Benz S500 2003:

• (behind right head- light
• (in left front fuse box) left front sam control module
• (left side of eng compt)
• (on shock tower) front body lateral acceleration sensors
• (under right front of vehicle)
• Ahrm
• Ahrs
• Ahrv
• Air compressor relay
• Air-matic compressor unit (under right front of vehicle)
• Air-matic pressure sensor (right front wheelhouse)
• Air-matic w/ ads control module (in left front fuse/relay box)
• Avlm
• Avls
• Avlv
• Avrm
• Avrs
• Avrv
• Can hi
• Can lo
• Central reservoir charging valve
• Computer data lines system
• Datalink connector (at upper left footwell)
• Diag
• Fuse 150a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Hal 1
• Hal 2
• Hal v
• Har 1
• Har 2
• Har v
• Hot at all times
• Hot in run or start
• L25
• Left
• Left front
• Left front axle damper valve assembly (at left front wheelhouse)
• Left front fuse/relay module (left rear of engine compt)
• Left front level sensor (left front wheel- house)
• Left rear
• Left rear axle damper valve unit (left rear wheelhouse)
• Level regulating valve assembly
• Leveling valves
• Mr1
• Nca
• Nhl
• Nhr
• Nhrm
• Nhrs 1
• Nhrs 2
• Nhrv
• Nsp
• Nvl
• Nvlm
• Nvls 1
• Nvls 2
• Nvlv
• Nvr
• Nvrm
• Nvrs 1
• Nvrs 2
• Nvrv
• Rear axle level sensor (upper rear center of vehicle)
• Red
• Right
• Right front
• Right front axle damper valve assembly (at right front wheelhouse)
• Right front fuse/relay module (right rear of engine compt)
• Right front level sensor (right front wheel- house)
• Right rear
• Right rear axle damper valve unit (right rear wheelhouse)
• Right rear body lateral acceleration sensor (right side of trunk)
• Rkps
• Rkpv
• Samf
• Spm
• Sps
• Spv
• Terminal block & fuse block
• Unit) w3/6
• Val 1
• Val 2
• Valv
• Var 1
• Var 2
• Varv
• Vkps
• Vkpv

ENGINE PERFORMANCE

5.0L

5.0L, Engine Performance Wiring Diagram (1 of 3) for Mercedes-Benz S500 2003

List of elements for 5.0L, Engine Performance Wiring Diagram (1 of 3) for Mercedes-Benz S500 2003:

• (center rear of engine) egr pressure transducer
• (right front of engine compt) air pump switchover valve
• Accelerator pedal sensor (above pedal assembly)
• Acf vlv
• Activated charcoal filter shutoff valve
• Air pump
• Aps vlv
• Can h
• Can l
• Coil 3a
• Coil 7a
• Coil 8a
• Computer data lines system
• Cooling fans system
• Data link connector (upper left footwell)
• Diag
• Egr
• Engine control module (me-sfi) (right rear of engine compt)
• Fan
• Ftp +5v
• Ftp -
• Ftp sig
• Fuel injectors
• Fuel pump
• Fuel tank pressure sensor (center front of trunk)
• Fuse 150a
• Fuse 60a
• Gen
• Generator
• Hot at all times
• Inj 2
• Inj 3
• Inj 4
• Inj 6
• Inj 7
• Inj 8
• L o2 s
• Left o2 sensor (after twc) (under left front of vehicle)
• Nca
• O2 d
• R o2 s
• R o2 u
• Red
• Right o2 sensor (after twc) (under right front of vehicle)
• Shifting induction pipe switchover valve
• Sig
• Start
• Terminal block & fuse box (circuit 30 & 61) (right side of trunk)
• Terminal block & fuse box (circuit 30z) (right front footwell)
• Tna
• Vims vlv

5.0L, Engine Performance Wiring Diagram (2 of 3) for Mercedes-Benz S500 2003

List of elements for 5.0L, Engine Performance Wiring Diagram (2 of 3) for Mercedes-Benz S500 2003:

• (left front of engine compt) w11/3
• (left rear of vehicle) fuel pump
• (under left rear seat) w17/1
• Air pump (top front side of engine)
• Air pump relay
• Cooling fans system
• Engine electronics/ chassis relay
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Hot at all times
• Hot in run or start
• L27
• Left o2 sensor (before twc) (left rear of engine compt)
• Mr1
• Mr2
• Nca
• Purge control valve (left rear of engine compt)
• Rear fuse/relay module (under right rear seat)
• Red
• Right front fuse/ relay module (right rear of engine compt)
• Right front sam control module
• Right o2 sensor (before twc) (right rear of engine compt)
• Throttle valve actuator (rear top center of engine)
• W36/1 (right footwell)

5.0L, Engine Performance Wiring Diagram (3 of 3) for Mercedes-Benz S500 2003

List of elements for 5.0L, Engine Performance Wiring Diagram (3 of 3) for Mercedes-Benz S500 2003:

• (below intake manifold) left knock sensor
• (below intake manifold) right knock sensor
• (center rear of engine compt) hot film maf sensor
• (front of engine)
• (front of engine) coolant temperature sensor
• (left rear of engine) crankshaft position sensor
• (lower right side of engine) oil sensor
• (pins 29-38: not used)
• (right front of engine) camshaft hall sensor
• +5v
• 30z
• 78a
• Ckp
• Clear
• Cmp sig
• Cockpit fuse box (right side of dash)
• Coil 1a
• Coil 1b
• Coil 2a
• Coil 2b
• Coil 3b
• Coil 4a
• Coil 4b
• Coil 5a
• Coil 5b
• Coil 6a
• Coil 6b
• Coil 7b
• Coil 8b
• Cool tmp
• Cylinder ignition coils
• Ea ip1s
• Ea ip2s
• Engine control module (me-sfi) (right rear of engine compt)
• Fuse 7.5a
• Hot at all times
• Inj 1
• Inj 5
• L ks -
• L ks sig
• L o2 ht
• L o2 u
• Maf
• Maf +5v
• Maf -
• Maf sig
• O2 u
• Oil sens
• Pnk
• Press sig
• Pressure sensor
• Purge
• R ks -
• R ks sig
• R o2 ht
• R o2 u
• Radio interference suppression capacitors (top of engine)
• Red
• Sens -
• To spark plugs
• W11/3 (left front of engine compt)
• W36/1 (right footwell)

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Backup Lamps Wiring Diagram for Mercedes-Benz S500 2003:

• Back- up lamp
• Can-b h
• Can-b l
• Computer data lines system
• Electronic selector lever control module (under center console, at base of selector lever assembly)
• Left taillamp unit
• Lr backup
• Rear sam control module (under right rear seat)
• Right taillamp unit
• Rr backup
• W7/1 (near right taillight)

Exterior Lamps Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Exterior Lamps Wiring Diagram for Mercedes-Benz S500 2003:

• (in left fuse box) esp/sps/bas control module
• 15g
• 58d
• Auxiliary tail lamp
• Back- up lamp
• Bls
• Can-b h
• Can-b l
• Center high mounted stop lamp
• Chmsl
• Combination switch
• Computer data lines system
• Exterior lamp switch
• Flash/high beam
• Fog lamp
• Fuse 7.5a
• Hazard switch
• Hot in run, acc, or start
• Instrument cluster
• L license
• L/r turn
• Left front fuse/relay module (left rear of engine compt)
• Left front sam control module (in left front fuse/relay box)
• Left headlamp unit
• Left license plate lamp
• Left side marker lamp
• Left taillamp unit
• Left turn ind
• Lf marker
• Lf park
• Lf turn
• Low beam
• Lr aux
• Lr backup
• Lr fog
• Lr park
• Lr stop
• Lr turn
• Nsl
• R license
• Rear sam control module (under right rear seat)
• Right front sam control module (in right fuse/ relay box)
• Right headlamp unit
• Right license plate lamp
• Right side marker lamp
• Right taillamp unit
• Right turn ind
• Rr aux
• Rr backup
• Rr park
• Rr stop
• Rr turn
• Sounder
• Sra
• Standing/ parking lamp
• Starting system
• Steering column module (left side of dash)
• Stop lamp
• Stoplamp switch (on top of brake pedal)
• Tail/ park lamp
• Turn lamp
• Turn signal lamp
• Upper control field control module (top center of dash)
• W2 (right side of eng compt)
• W7/1 (near right taillight)
• W9 (left side of eng compt)
• Wash
• Wipe

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Ground Distribution Wiring Diagram for Mercedes-Benz S500 2003:

• Air pump, radio interference suppression capacitors
• Airmatic w/ ads control module, esp/sps/bas control module, traction system hydraulic unit, fanfare horns, left headlamp unit, left side marker lamp brake fluid level switch, wiper motor, left front sam module, steering column longitudinal adjustment relays
• Battery
• Electronic selector lever control module, transmission mode switch 2, rear air outlet illumination, cigar lighter, left front seat belt comfort feature solenoid, tele aid control module, storage compartment illumination, left front door switch, left rear door control module, comand operating/display control module, rear a/c pushbutton control module, rear a/c electronic blower regulator, steering column module, left front seat adjustment control module, navigation processor rear window antenna amplifier module
• Etc control module, right front door control module, pts control module, engine electronics/chassis relay, right front sam control module, starter relay, dtr control module, engine (me-sfi) control module, starter relay, right front fuse/relay module
• Fanfare horns, right headlamp unit, headlamp washer pump, washer nozzle hose heater, right front brake pad wear sensor, right side marker lamp, heated windshield washer nozzle, aac multifunction sensor, wiper park position heater, hood switch, aac sun sensor, distronic control module (late prod 2004 & 2005 models)
• Fuel pump, left rear footwell lamp, fuel pump control module, center high mounted stop lamp, left rear door switch, left rear seat belt comfort feature solenoid, left head restraint raise valve, right head restraint raise valve, middle head restraint raise valve
• Inclination sensor, right rear footwell lamp, right rear brake pad wear sensor, right rear seat belt buckle/ belt comfort feature switch, right front door switch, right rear door control module, right front esa control module, right front seat belt comfort feature solenoid, rear seat control module left rear seat belt buckle/ belt comfort feature switch, right rear seat belt buckle/ belt comfort feature switch, comand operating, display & control module, rear fuse/relay module emergency call system control unit (late prod of 2004 & 2005 models)
• Left front fuse relay module, steering column module, glove compartment lock illumination, left front footwell lamp, right front footwell lamp glove compartment illumination & switch, upper control field control module, data link connector (dlc), instrument cluster, distronic control module aac pushbutton control module, a/c system blower unit, electronic center air outlet control module, electronic stepper motor control module, central gateway control module, headlamp range adjustment control module, right air outlet illumination, left air outlet illumination, front cigar lighter, tire pressure monitoring control module, headlamp range adjustment control module, electronic ignition-starter switch (eis) control module lower control panel control module (late prod of 2004 & 2005 models),
• Left license plate lamp, right license plate lamp right rear door switch, right rear seat belt comfort feature solenoid, left taillamp unit, right taillamp unit, trunk lamp, remote trunk release switch, center high mounted stop lamp, trunk lid ca microswitch, overhead control panel control module, remote trunk lid opening valve, trunk lid emergency release switch, trunk lid ambient lamp
• Parking brake switch, alarm siren w/auxiliary battery, left front door control module
• Rear window defroster element
• Restraint system control module, left front seat adjustment control modules, right front seat adjustment control modules, left frontal acceleration sensor, right frontal acceleration sensor, left airbag sensor, right airbag sensor
• Sound amplifier, navigation processor, cd changer, sdar control unit
• Suction cooling fan control module, airmatic compressor unit
• Telecommunication control module tele aid control module
• W10 (at right rear of trunk)
• W11/3 (left front of engine compt)
• W13 (left "c" pillar)
• W15/2 (at left footwell)
• W17/1 (under left rear seat)
• W2 (right side of engine engine compt)
• W26 (below center console)
• W28/1 (at left door sill)
• W28/2 (at right door sill)
• W3/6 (behind right headlight unit)
• W36/1 (at right footwell)
• W36/2 (at right footwell)
• W6 (at left front of trunk)
• W7/1 (near right taillight)
• W9 (left side of engine compt)

HEADLIGHTS

Headlights Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Headlights Wiring Diagram for Mercedes-Benz S500 2003:

• 15g
• 56a
• 56b
• 58d
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Combination switch
• Computer data lines system
• Data link connector (dlc) (at upper left footwell)
• Diag
• Exterior lamp switch
• Fog lamp
• Fsb
• Fuse 10a
• Headlamp flasher/ high beam switch
• Headlamp range adjustment control module
• High beam indicator lamp
• High beam lamp
• Hot w/ circuit 15 relay energized
• Instrument cluster
• L20
• Left front sam control module (in left front fuse/relay box)
• Left headlamp range adjustment motor
• Left headlamp unit
• Left taillamp unit
• Low beam lamp
• Low beam switch
• Nsl
• Parking brake switch (on parking brake level bracket)
• Q11
• Q12
• Q21
• Q22
• Rear fog lamp
• Rear sam control module (under right rear seat)
• Red
• Right front fuse/relay module (right rear of engine compt)
• Right front sam control module (in right front fuse/ relay box)
• Right headlamp range adjustment motor
• Right headlamp unit
• Sra
• Steering column module (left side of dash)
• W15/2 (left footwell)
• W2 (right side of eng compt)
• W36/2 (right footwell)
• W7/1 (near right taillight)
• W9 (left side of eng compt)

HORN

Horn Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Horn Wiring Diagram for Mercedes-Benz S500 2003:

• Can h
• Can l
• Can-b h
• Can-b l
• Computer data lines system
• Fanfare horns
• Fanfare relay
• Fuse 15a
• Gnd
• Horn
• Horn/ airbag clock spring contact
• Hot at all times
• Hot in run or start
• Left fanfare horn switch
• Left multi- function steering wheel pushbutton group
• Mr1
• Nca
• Red
• Right fanfare horn switch
• Right front fuse & relay box (right rear of engine compt)
• Right front sam control module (in right front fuse/ relay box)
• Right multi- function steering wheel pushbutton group
• Steering column module
• W2 (right side of eng compt)
• W36/1 (right footwell)
• W9 (left side of eng compt)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Instrument Cluster Wiring Diagram for Mercedes-Benz S500 2003:

• (in left front
• 58d
• 79a
• 80a
• 84a
• 85a
• Abs mil
• Akse
• Ambient temp gnd
• Ambient temp sig
• Ambient temperature display temperature sensor (behind left side of front bumper)
• Art
• Audible turn signal indicator
• Brake fluid level switch (on brake cylinder reservoir)
• Brk fluid
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Cockpit fuse box (right side of dash)
• Comfort & sport switch
• Computer
• Computer data lines system
• Cruise control system
• Data lines
• Data link connector (beneath left side of dash)
• Distronic warning indicator
• Ect gauge
• Electronic clock
• Electronic speedo- meter
• Engine control module (me-sfi) (right rear of engine compt)
• Engine diagnostics indicator
• Esp off switch
• Esp warning indicator
• Fuel level/ reserve indicator
• Fuse 10a
• Fuse 5a
• Fuse 84 5a
• Fuse/relay box)
• Gear indicator
• Hazard warning switch
• High beam indicator
• Hot at all times
• Hot in acc run or start
• Hot in run or start
• Instrument cluster
• Instrument illumination
• Instrument/searchlamp illumination brightness control regulator
• Left front sam control module
• Left turn signal indicator
• Level adjustment switch
• Lock cl interior switch & ata ind
• Low brake fluid level/ parking brake indicator
• Multifunction indicator
• Outside temperature indicator
• Parking brake switch (on parking brake lever bracket)
• Pnk
• Prk brk
• Pts off switch
• Rear blind switch
• Rear head restraints switch
• Right turn signal indicator
• Srs indicator
• System
• Tacho- meter
• Ts off switch
• Unlock cl internal switch
• Upper control panel control module (center of dash)
• W15/2 (left side of eng compt)
• W36/2 (at right footwell)
• W36/2 (right footwell)
• W9 (left side of eng compt)
• Warning buzzer

INTERIOR LIGHTS

Interior Lights Wiring Diagram (1 of 4) for Mercedes-Benz S500 2003

List of elements for Interior Lights Wiring Diagram (1 of 4) for Mercedes-Benz S500 2003:

• (-)
• 12v
• 12v out
• 15r
• 58d
• A-sp 1
• A-sp 2
• Ambient lamp
• Can-b h
• Can-b l
• Computer data lines system
• Dome lamp switch, rear dome lamp switch, left/right front reading lamp switch, front dome lamp
• Hhs
• Interior & vanity mirror lamp
• Interior rearview mirror assembly
• K-line
• Left front door switch
• Left front vanity mirror illumination switch
• Left front vanity mirror lamp
• Left reading lamp
• Left rear dome lamp
• Left rear door switch
• Lf dr sw
• Ll l
• Ll r
• Lr dr sw
• Overhead control panel control module (above center rearview mirror)
• Pnk/red
• Rain/light sensor (at top center of windshield)
• Reading lamp
• Reading lamp switch
• Rear fuse/ relay module
• Rear sam control module (under right rear seat)
• Red
• Rf dr sw
• Right front door switch
• Right front vanity mirror illumination switch
• Right front vanity mirror lamp
• Right reading lamp
• Right rear dome lamp
• Right rear door switch
• Rr dr sw
• Trunk lamp
• Trunk lid ambient lamp
• Trunk lid micro- switch
• Trunk lid sw
• Vanity mirror lamp switch
• W17/1 (under left rear seat)
• W28/1 (at left door sill)
• W28/2 (at right door sill)
• W7/1 (near right taillight)

Interior Lights Wiring Diagram (2 of 4) for Mercedes-Benz S500 2003

List of elements for Interior Lights Wiring Diagram (2 of 4) for Mercedes-Benz S500 2003:

• (+)
• (-)
• 15g
• 15r
• 58d
• 58d a
• Al (+)
• Al (-)
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Driver side power window switch group
• E/a
• Electronic center air outlet control module (center of dash)
• Exterior lamp switch
• Glove compartment lock illumination
• Hdf bel
• Instrument cluster
• Instrument illumination
• Instrument/searchlamp illumination brightness control regulator
• Left air outlet illumination
• Left front door control module (in left front door)
• Left front door entrance/ exit lamp
• Left front door handle illumination
• Left front door lock switch (cf)
• Left front fuse/relay module
• Left front sam control module (in left front fuse/relay box)
• Lock
• Nca
• Nsl
• R fan
• Rear air outlet illumination
• Right air outlet illumination
• Sn1/sn2
• Sra
• Tele aid system
• Terminal block x18
• Unlock
• W28/1 (at left door sill)
• W36/2 (right footwell)

Interior Lights Wiring Diagram (3 of 4) for Mercedes-Benz S500 2003

List of elements for Interior Lights Wiring Diagram (3 of 4) for Mercedes-Benz S500 2003:

• (+)
• (-)
• 58d
• Al (+)
• Al (-)
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Cigar lighter
• Computer data lines system
• Dda
• Ddk
• Electronic ignition-starter switch (eis) control module
• Electronic selector lever control module (at base of selector lever assembly)
• Glove compartment illumination (w/ switch)
• Left front footwell illumination lamp
• Left rear footwell illumination lamp
• Left rear multi-contour backrest switch
• Nca
• Passenger side power window switch
• R fan
• Rear multi- contour backrest control module (between rear seats)
• Rear seat control module (under right rear seat)
• Right front door control module (in right front door)
• Right front door entrance/ exit lamp
• Right front door handle illumination
• Right front footwell illumination lamp
• Right front fuse/relay module
• Right front sam control module (in right fuse/ relay box)
• Right rear footwell illumination lamp
• Right rear multi-contour backrest switch
• Storage compartment illumination
• Terminal block x18
• Transmission mode switch 2
• W17/1 (under left rear seat)
• W28/1 (at left door sill)
• W28/2 (at right door sill)
• W36/2 (right footwell)

Interior Lights Wiring Diagram (4 of 4) for Mercedes-Benz S500 2003

List of elements for Interior Lights Wiring Diagram (4 of 4) for Mercedes-Benz S500 2003:

• (+)
• (-)
• 58d
• Al (+)
• Al (-)
• Can-b h
• Can-b l
• Computer data lines system
• Left rear ashtray illumination
• Left rear cigar lighter
• Left rear door control module (in left rear door)
• Left rear door entrance/ exit lamp
• Left rear door handle illumination
• Left rear power window switch
• Nca
• Red
• Right rear ashtray illumination
• Right rear cigar lighter
• Right rear door control module (in right rear door)
• Right rear door entrance/ exit lamp
• Right rear door handle illumination
• Right rear power window switch

MEMORY SYSTEMS

Driver"s Memory Seat Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003

List of elements for Driver"s Memory Seat Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003:

• Backrest adjustment motor (fore/aft)
• Can-b h
• Can-b l
• Computer data lines system
• Electronic ignition-starter switch control module (left side of dash)
• Front seat adjustment motor (fore/aft)
• Front seat adjustment motor (raise/lower)
• Gs/ab
• Head restraint adjustment motor (raise/lower)
• Hh (+)
• Hh (-)
• Hv (+)
• Hv (-)
• K (+)
• L (+)
• Left front door control module (in left front door)
• Left front electric seat adjustment control module (below left front seat)
• Left front seat adjust motor group
• Left front seat belt buckle microswitch
• Left front seat belt buckle switch (restraint system)
• Left front seat switches
• Lk (-)
• Mhh (+)
• Mhh (-)
• Mhv (+)
• Mhv (-)
• Mk (-)
• Ml (-)
• Mlk (+)
• Mskt (+)
• Mskt (-)
• Mvz (+)
• Mvz (-)
• Rear seat adjustment motor (raise/lower)
• Red
• Seat cushion adjustment motor (fore/aft)
• Skt (+)
• Skt (-)
• Vz (+)
• Vz (-)

Driver"s Memory Seat Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003

List of elements for Driver"s Memory Seat Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003:

• (at left door sill) w28/1
• 58d
• Can-b h
• Can-b l
• Computer data lines system
• Fuse 25a
• Hkl
• Hks
• Hot at all times
• L35
• Left front backrest heater element
• Left front door switch
• Left front multi-contour backrest control module (under left front seat)
• Left front multi-contour backrest switch
• Left front seat adjustment control module (under left front seat)
• Left front seat cushion heater element
• Left front seat cushion ventilation motor group
• Left front seat ventilation blower regulator (inside backrest of left front seat)
• Left front seatback ventilation motor group
• Left rear door switch
• Lf door
• Lr door
• Passive restraint system
• Rear fuse/relay module (under right rear seat)
• Rear sam control module (under right rear seat)
• Red
• Rf door
• Right front door switch
• Right rear door switch
• Rr door
• Trnk
• Trunk lid micro- switch
• W17/1 (under left rear seat)
• W26 (below center console)
• W28/1 (at left door sill)
• W28/2 (at right door sill)
• W7/1 (near right taillight)

Memory Mirrors Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Memory Mirrors Wiring Diagram for Mercedes-Benz S500 2003:

• (in left front door)
• Automatic dimming mirror
• Computer data lines system
• Electrically adjustable & heated driver side outside rearview mirror
• Electrically adjustable & heated right outside rearview mirror
• Folding mirror motor
• Fuse 40a
• Hot at all times
• L19
• Left front door control module
• Left front fuse/relay module (left rear of engine compt)
• Mirror adjustment motor (in/out)
• Mirror adjustment motor (up/down)
• Mirror heater
• Nca
• Outside rearview mirror switch
• Pnk
• Red
• Right front door control module (in right front door)
• Right front fuse/relay module (right rear of engine compt)
• W15/2 (left footwell)
• W36/1 (right footwell)

Passenger"s Memory Seat Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003

List of elements for Passenger"s Memory Seat Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003:

• Backrest adjustment motor (fore/aft)
• Can-b h
• Can-b l
• Computer data lines system
• Electronic ignition-starter switch control module (left side of dash)
• Front passenger seat occupied & child seat recognition module
• Front seat adjustment motor (fore/aft)
• Front seat adjustment motor (raise/lower)
• Gs/ab
• Head restraint adjustment motor (raise/lower)
• Hh (+)
• Hh (-)
• Hv (+)
• Hv (-)
• K (+)
• L (+)
• Left front seat switches
• Lk (-)
• Mhh (+)
• Mhh (-)
• Mhv (+)
• Mhv (-)
• Mk (-)
• Ml (-)
• Mlk (+)
• Mskt (+)
• Mskt (-)
• Mvz (+)
• Mvz (-)
• Rear seat adjustment motor (raise/lower)
• Red
• Right front door control module (in right front door)
• Right front electric seat adjustment control module (under right front seat)
• Right front seat adjust motor group
• Right front seat belt buckle microswitch
• Right front seat belt buckle switch (restraint system)
• Seat cushion adjustment motor (fore/aft)
• Skt (+)
• Vz (+)
• Vz (-)

Passenger"s Memory Seat Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003

List of elements for Passenger"s Memory Seat Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003:

• (at right door sill) w28/2
• 58d
• Can-b h
• Can-b l
• Computer data lines system
• Fuse 25a
• Hkl
• Hks
• Hot at all times
• L37
• Left front backrest heater element
• Left front door switch
• Left front seat cushion heater element
• Left rear door switch
• Lf door
• Lr door
• Passive restraint system
• Rear fuse/relay module (under right rear seat)
• Rear sam control module (below right rear seat)
• Red
• Rf door
• Right front door switch
• Right front multi-contour backrest control module
• Right front multi-contour backrest switch
• Right front seat adjustment control module (under right front seat)
• Right front seat cushion ventilation motor group
• Right front seat ventilation blower regulator (inside backrest of right front seat)
• Right front seatback ventilation motor group
• Right rear door switch
• Rr door
• Trnk
• Trunk lid micro- switch
• W17/1 (under left rear seat)
• W26 (below center console)
• W28/1 (at left door sill)
• W28/2 (at right door sill)
• W7/1 (near right taillight)

Steering Column Memory Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Steering Column Memory Wiring Diagram for Mercedes-Benz S500 2003:

• 87a
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Electric steering column motor group
• Electronic ignition-starter switch control module (left side of dash)
• Esc in/out assist switch group
• Fuse 3 15a
• Fuse 4 15a
• Height adjustment motor
• Hot at all times
• In/out assist switch
• Instrument cluster
• Left front door control module (in door)
• Left front door switch
• Left front fuse/relay module (left rear of engine compt)
• Left front sam control module
• Lf door
• Longitudinal adjustment motor
• Memory switch/ memory 1/ memory 2/ ergonomy switch
• Multifunction display
• Nca
• Rear sam control module (below right rear seat)
• Red
• Rf door
• Right front door switch
• Steering column control module (left side of dash)
• Steering column driving position switch
• Steering column height adjustment relay 1
• Steering column height adjustment relay 2
• Steering column longitudinal adjustment relay 1
• Steering column longitudinal adjustment relay 2
• Up/down- fore/aft switch
• W28/1 (at left door sill)
• W28/2 (at right door sill)
• W36/2 (right footwell)

NAVIGATION

Navigation Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Navigation Wiring Diagram for Mercedes-Benz S500 2003:

• Am/fm
• Ant on
• Antenna splitter
• Aux nf
• Can-b h
• Can-b l
• Cc nf gnd
• Cc nf l
• Cc nf r
• Comand operating, display & control module (center console)
• Computer data lines system
• Connector (at upper left footwell)
• D2b
• D2b in
• D2b out
• Data
• Data link
• Fuse 15a
• Fuse 7.5a
• Gps
• Gps roof antenna
• Hot at all times
• K-diag
• K1l
• K2l
• L12
• L33
• Left front fuse/relay module (left rear of engine compt)
• Mute
• Nca
• Nca nca
• Overhead control panel control module (front center of roof)
• Rcl frequency in
• Rear fuse/relay module (under right rear seat)
• Rear window antenna amplifier (center rear of roof)
• Sound systems
• Tele aid control module
• W28/1 (at left doorsill)
• Wake up
• Walkman separation connector (if equipped)

Parktronic Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Parktronic Wiring Diagram for Mercedes-Benz S500 2003:

• (+) sh
• (+) sv
• (-) sh
• (-) sv
• Can-b h
• Can-b l
• Computer data lines system
• Front bumper pts sensor assembly
• Fuse 10a
• Hot in run or start
• L43
• Left center sensor
• Left inner sensor
• Left outer sensor
• Parktronic system (pts) control module
• Pts on/off switch
• Pts warning indicator (center instrument panel air outlet)
• Pts warning indicator (driver side instrument panel)
• Pts warning indicator (rear dome light)
• Rear bumper pts sensor assembly
• Rear fuse/relay module (under right rear seat)
• Right center sensor
• Right inner sensor
• Right outer sensor
• S1 v
• S10 h
• S2 v
• S3 v
• S4 v
• S5 v
• S6 v
• S7 h
• S8 h
• S9 h
• Upper control field control module (top center of dash)
• W h (+)
• W h (-)
• W h (data)
• W v (+)
• W v (-)
• W v (data)
• W36/1 (right footwell)

PASSIVE RESTRAINTS

Passive Restraints Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Passive Restraints Wiring Diagram for Mercedes-Benz S500 2003:

• Computer data lines system
• Fuse 25a
• Hot at all times
• L35
• L37
• Left front esa control module (under left front seat)
• Left front seat belt buckle microswitch (in left front seat belt buckle)
• Left front seat belt comfort feature solenoid (base of left "b" pillar)
• Left rear seat belt buckle/ belt comfort feature switch (in left rear seat belt buckle)
• Left rear seat belt comfort feature solenoid (base of right "b" pillar)
• Nca
• Rear fuse/relay module (under right rear seat)
• Rear sam control module (below right rear seat)
• Right front seat adjustment control module (under right front seat)
• Right front seat belt buckle microswitch (in right front seat belt buckle)
• Right front seat belt comfort feature solenoid (base of right "b" pillar)
• Right rear seat belt buckle/ belt comfort feature switch (in right rear seat belt buckle)
• Right rear seat belt comfort feature solenoid (base of left "b" pillar)
• W17/1 (under left rear seat)
• W26 (below front of center console)
• W28/1 (at left door sill)
• W28/2 (at right door sill)
• W7/1 (near right taillight)

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Mercedes-Benz S500 2003

List of elements for Power Distribution Wiring Diagram (1 of 4) for Mercedes-Benz S500 2003:

• A/c system blower unit
• Air pump relay
• Air suspension relay
• Airmatic w/ ads control module
• Battery
• Engine electronic/ chassis relay
• Engine/ climate control electric cooling fan
• Fanfare relay
• Fuse (res or 30a)
• Fuse (res)
• Fuse 100a
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse 60a
• Generator
• L16
• L19
• L21
• L22
• Left front door control module
• Left front fuse/relay module
• Left fuse box
• Mr1
• Red
• Right front door control module
• Right front fuse/relay module
• Right front sam control module
• Right fuse box
• Starter
• Steering column longitudinal adjustment relay 1
• Steering column longitudinal adjustment relay 1, steering column longitudinal adjustment relay 2
• Steering column longitudinal adjustment relay 2
• Terminal block & fuse box (circuit 30 & 61)
• Terminal block & fuse box (circuit 30z)
• To cockpit fuse box (fuse 78) (diagram 4 of 4)
• To cockpit fuse box (fuse 80) (diagram 4 of 4)
• To electronic ignition- starter control module (diagram 4 of 4)
• To left front fuse/relay module (fuse 23) (diagram 2 of 4)
• To rear fuse/relay module (fuse 55) (diagram 2 of 4)
• W10 (right rear side of trunk)
• Windshield heater relay

Power Distribution Wiring Diagram (2 of 4) for Mercedes-Benz S500 2003

List of elements for Power Distribution Wiring Diagram (2 of 4) for Mercedes-Benz S500 2003:

• (or 15a)
• (or 7.5a)
• Audio gateway control unit
• Cd changer, command operating display & control module, tv tuner, tele aid control module, emergency called control module voice control system control module, telephone interface, telecommunication control module
• Circuit 15r relay
• Circuit relay
• Command operating display & control module,
• E-net compensator, pneumatic pump (for dynamic seat control)
• Esp/sps/bas control module
• From left front fuse/relay module (diagram 1 of 4)
• From terminal block & fuse box (circuit 30z) fuse 2 (diagram 1 of 4)
• Fuse 10a
• Fuse 15a
• Fuse 15a (or 7.5a)
• Fuse 20a
• Fuse 25a
• Fuse 30a
• Fuse 30a (or 25a)
• Fuse 5a
• Fuse 7.5a
• Fuse 7.5a (or 30a)
• Fuse res
• High pressure return pump relay
• L12
• L13
• L14
• L29
• L30
• L31
• L32
• L33
• L34
• L35
• L37
• L38
• L39
• Left front fuse/relay module
• Left front sam control module
• Left front seat adjustment control module
• Left fuse box
• Navigation processor, rear window antenna amplifier module (except 2003 models)
• Pse control module
• Rear a/c electronic blower regulator,
• Rear fuse box
• Rear fuse/relay module
• Rear seat control module
• Red
• Right front seat adjustment control module
• Sdar control unit (if equipped)
• Sound amplifier
• Steering column height adjustment relay 1, steering column height adjustment relay 2
• Steering column height adjustment relay 2
• To left front fuse/relay module (fuse 11) (diagram 3 of 4)
• To left front fuse/relay module (fuse 6) (diagram 4 of 4)
• To rear fuse/relay module (fuse 71) (diagram 3 of 4)

Power Distribution Wiring Diagram (3 of 4) for Mercedes-Benz S500 2003

List of elements for Power Distribution Wiring Diagram (3 of 4) for Mercedes-Benz S500 2003:

• Anti-tow relay
• Circuit relay
• Electronic ignition-starter switch control module (diagram 4 of 4)
• Emergency call system control module (except 2003 & early prod of 2004 models)
• From circuit 15r relay (diagram 2 of 4)
• From rear fuse/ relay module (diagram 2 of 4)
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse 7.5a
• Fuse res
• L11
• L28
• L33
• L36
• L40
• L41
• L42
• L43
• L44
• L45
• Left front fuse/relay module
• Left front reversible emergency tensioning retractor
• Left fuse box
• Left rear door control module
• Navigation processor, rear window antenna amplifier
• Overhead control panel control module
• Pts control module
• Rear fuse box
• Rear fuse/relay module
• Rear sam control module
• Rear sunshade relay
• Rear window defogger relay
• Red
• Restraint system control module
• Right front reversible emergency tensioning retractor
• Right rear door control module
• Stop lamp switch
• Tele-aid control module
• Tire pressure monitoring control module
• Wiper in/out relay
• Wiper stage 1 & 2 relay

Power Distribution Wiring Diagram (4 of 4) for Mercedes-Benz S500 2003

List of elements for Power Distribution Wiring Diagram (4 of 4) for Mercedes-Benz S500 2003:

• 15r
• 30z
• 78a
• 79a
• 80a
• 81a
• 82a
• 83a
• 84a
• 85a
• 86a
• Aac multifunction sensor
• Acc pushbutton control module
• Alarm signal horn
• Bls
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Central gateway control module
• Cigar lighter
• Cockpit fuse box (right side of dash)
• Computer data lines system
• Computer data lines system (data link connector)
• Diag
• Electronic ignition- starter switch control module (left side of dash)
• Engine control module (me-sfi)
• Fanfare relay
• From e circuit 15 relay (diagram 2 of 4)
• From left front fuse/ relay module (diagram 3 of 4)
• From terminal block & fuse box (circuit 30 & 61) (diagram 1 of 4)
• From terminal block & fuse box (circuit 30z) (diagram 1 of 4)
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Fuse 7.5a
• Fuse res
• Headlamp range adjustment control module
• Ignition coils, radio interference suppression capacitors
• Instrument cluster system
• Instrument cluster system, computer data lines system
• Interior lights system
• L10
• L20
• L26
• L27
• Left front fuse/relay module
• Left front sam control module
• Left fuse box
• Nca
• Pnk/ red
• Rear fuse/relay module
• Rear sam control module
• Red
• Restraint system control module
• Right front fuse/relay module
• Right front sam control module
• Right fuse box
• Starter relay
• Steering column module
• Stop lamp switch
• Upper control panel control module
• W36/2 (at right footwell)
• Windshield washer pump

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003

List of elements for Power Door Locks Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003:

• +12v
• 49a
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Combination switch
• Computer data lines system
• Df vl
• Electronic ignition-starter switch (eis) control module (left side of dash)
• Esp/sps/bas control module (in left fuse box)
• Exterior lights system
• Hd-svs
• Instrument cluster
• Interior central locking system switch, hazard warning system switch
• L/r turn sig sw
• Left front door switch
• Left front sam control module (in fuse/relay box, left side)
• Left front vss (on left front wheelhouse)
• Left rear door switch
• Lf dr sw
• Lr dr sw
• Lr turn sig
• Nca
• Pneumatic system equipment (pse) control module (left of trunk)
• Pse control module (left side of trunk)
• Rear sam control module (under right rear seat)
• Remote trunk lid opening valve
• Rf dr sw
• Right front door switch
• Right front sam control module (in fuse/relay box, right side)
• Right rear door switch
• Rr dr sw
• Rr turn sig
• Steering column module (left inside of dash)
• Trunk lid closing assist micro- switch
• Trunk lid emergency release switch
• Trunk lid sw
• Upper control field control module (at top center of dash)
• W17/1 (under left rear seat)
• W28/1 (at left door sill)
• W28/2 (at right door sill)
• W7/1 (near right taillight)

Power Door Locks Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003

List of elements for Power Door Locks Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003:

• (-)
• Ask
• Ask (-)
• Bl (+)
• Bl (-)
• Can-b h
• Can-b l
• Computer data lines system
• Ir (+)
• Ir (-)
• Ir-daten
• Left front door control module (in left front door)
• Left front door lock switch (cf)
• Left front door power locking drive pawl microswitch
• Left front ir receiver
• Left outside mirror turn signal lamp
• Left rear door control module (in left rear door)
• Left rear door power locking drive pawl microswitch
• Lock
• Pnk
• Right front door control module (in right front door)
• Right front door power locking drive pawl microswitch
• Right front ir receiver
• Right outside mirror turn signal lamp
• Right rear door control module (in right rear door)
• Right rear door power locking drive pawl microswitch
• Sn1/sn2
• Unlock
• V (-)
• Zzh-v

POWER MIRRORS

Power Mirrors Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Power Mirrors Wiring Diagram for Mercedes-Benz S500 2003:

• (in left front door)
• Automatic dimming mirror
• Computer data lines system
• Electrically adjustable & heated driver side outside rearview mirror
• Electrically adjustable & heated right outside rearview mirror
• Folding mirror motor
• Fuse 40a
• Hot at all times
• Interior rearview mirror assembly
• L19
• L45
• Left front door control module
• Left front fuse/relay module (left rear of engine compt)
• Mirror adjustment motor (in/out)
• Mirror adjustment motor (up/down)
• Mirror heater
• Nca
• Outside rearview mirror switch
• Overhead control panel control module (above center rearview mirror)
• Pnk
• Pnk/red
• Rear fuse/relay module (under right rear seat)
• Red
• Right front door control module (in right front door)
• Right front fuse/relay module (right rear of engine compt)
• W15/2 (left footwell)
• W36/1 (right footwell)
• W7/1 (near right taillight)

POWER SEATS

Rear Head Restraint Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Rear Head Restraint Wiring Diagram for Mercedes-Benz S500 2003:

• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Electronic ignition-starter switch (eis) control module (left side of dash)
• Head restraint height/lower adjustment switch
• Head restraint raise valves
• Left front door switch
• Left head restraint raise valve
• Left rear door control module (in left rear door)
• Left rear door switch
• Left rear seat belt buckle/belt comfort feature switch
• Lf dr sw
• Lr dr sw
• Middle head restraint raise valve
• Nca
• Pse control module (on left side of trunk)
• Rear headrest switch
• Rear sam control module (below right rear seat)
• Rf dr sw
• Right front door switch
• Right head restraint raise valve
• Right rear door control module (in right rear door)
• Right rear door switch
• Right rear seat belt buckle/belt comfort feature switch
• Rr dr sw
• Seat belt sw
• Upper control field control module (at top center of dash)
• W17/1 (under left rear seat)
• W28/1 (at left door sill)
• W28/2 (at right door sill)
• W28/2 (right inside rocker panel)
• W7/1 (near right taillight)

Rear Power Seat Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003

List of elements for Rear Power Seat Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003:

• (+)
• (-)
• + vz
• - vz
• Can-b h
• Can-b l
• Computer data lines system
• Fuse 25a
• Hall (+)
• Hot at all times
• L38
• Left rear bench seat motor
• Left rear electric seat adjust motor group
• Nca
• Rear fuse/ relay module (under right rear seat)
• Rear seat control module (under right rear seat)
• Rear seat cushion inclination raise/lower motor
• Rear seat fore/aft adjustment motor
• Red
• Right rear bench seat motor
• Right rear electric seat adjust motor group
• W/ bench seat
• W/o bench seat
• W28/2 (at right door sill)

Rear Power Seat Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003

List of elements for Rear Power Seat Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003:

• Dynamic lumbar adjustment switch
• Left rear backrest heater element
• Left rear electric seat adjustment connector block (under left rear seat)
• Left rear multi-contour backrest switch
• Left rear seat cushion heater element
• Left rear seat cushion ventilation motor group
• Left rear seat ventilation blower regulator (under left rear seat)
• Left rear seatback ventilation motor group
• Lumbar adjustment switch
• Nca
• Rear multi-contour backrest control module (under center of rear seat)
• Right rear backrest heater element
• Right rear electric seat adjustment connector block (under right rear seat)
• Right rear multi-contour backrest switch
• Right rear seat cushion heater element
• Right rear seat cushion ventilation motor group
• Right rear seat ventilation blower regulator (under right rear seat)
• Right rear seatback ventilation motor group
• Side pad adjust switch

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Power Top/Sunroof Wiring Diagram for Mercedes-Benz S500 2003:

• Can b-l
• Can-b h
• Computer data lines system
• Front sr obstruction sensor
• Fuse 40a
• Hot at all times
• Hs1
• Hs2
• L45
• Overhead control panel control module (above center rear view mirror)
• Rear fuse/relay module (under right rear seat)
• Sliding/pop-up roof drive assembly (front center of sliding door)
• Sr (+)
• Sr (-)
• Sr (shd) obstruction sensor unit (left front side of sliding door)
• Sr switch
• Ukb
• W7/1 (near right taillight)

POWER WINDOWS

Power Windows Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Power Windows Wiring Diagram for Mercedes-Benz S500 2003:

• (+)
• (-)
• 58d
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Driver side power window switch group
• Electronic ignition-starter switch (eis) control module (left side of dash)
• Fh h
• Fh hl
• Fh hr
• Fh t
• Fh vl
• Fh vr
• H (-)
• H sig 1
• H sig 2
• Hdf
• Hdf bel
• Kl-sl
• Left front door control module (in left front door)
• Left front power window motor
• Left rear door control module (in left rear door)
• Left rear power window motor
• Left rear power window switch
• Left rear window switch
• Red
• Right front door control module (in right front door)
• Right front power window motor
• Right front power window switch
• Right front window switch
• Right rear door control module (in right rear door)
• Right rear power window motor
• Right rear power window switch
• Right rear window switch
• Switch release trunk
• Switch window safety rear power
• Window switch left front

Rear Window Sun Shade Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Rear Window Sun Shade Wiring Diagram for Mercedes-Benz S500 2003:

• 88.1
• 88.2
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Electronic ignition-starter switch (eis) control module (left side of dash)
• Fuse 10a
• Hot at all times
• Nca
• Rear fuse/ relay module (under right rear seat)
• Rear sam control module
• Rear sunshade relay
• Rear sunshade switch
• Rear window sunshade motor (under center of rear window shelf)
• Upper control field control module (at top center of dash)
• W28/2 (at right door sill)

RADIO

Radio Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Radio Wiring Diagram for Mercedes-Benz S500 2003:

• Acoustimass bass module
• Audio amplifier
• Bass speaker
• Cd changer
• Command operating/ display control module (center of dash)
• D2b
• D2b in
• D2b out
• Fuse 25a
• Hot at all times
• L37
• Left front door speaker group
• Left rear door speaker group
• Microphone amplifier
• Mid- cockpit speaker
• Nca
• Pnk
• Rear fuse/ relay module (under right rear seat)
• Right front door speaker group
• Right rear door speaker group
• Shd
• Tele aid interface control module
• Telephone interface (if equipped)
• Tweeter speaker
• Voice control system control module
• W6 (left rear wheelhousing)
• Wake up

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Shift Interlock Wiring Diagram for Mercedes-Benz S500 2003:

• Bls
• Can (+)
• Can (-)
• Can h
• Can l
• Can-b h
• Can-b l
• Computer data lines system
• Data line
• Data link connector (at upper left footwell)
• Diagnostic
• Electronic selector lever control module (under center console, at base selector lever assembly)
• Engine electronic/ chassis relay
• Esp/sps/bas control module (left rear of eng compt)
• Etc control module (in right rear of engine compt)
• Fuse 15a
• Fuse 7.5a
• Ground
• Hot at all times
• Hot in acc, run or start
• L18
• Left front fuse/relay module (left rear of engine compt)
• Power
• Right front fuse/relay module (right rear of engine compt)
• Right front sam control module
• Starting system
• Stoplamp switch (on brake pedal bracket)
• W28/1 (at left door sill)
• W36/1 (right footwell)

STARTING/CHARGING

Charging Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Charging Wiring Diagram for Mercedes-Benz S500 2003:

• Battery
• Can-b h
• Can-b l
• Computer data lines system
• Fuse 150a
• Generator
• Instrument cluster
• Multifunction indicator
• Red
• Right front fuse/relay module (right rear of eng compt)
• Right front sam control module
• Starter
• Terminal block & fuse block (circuit 30 & 61)
• W10 (right rear of trunk)

Starting Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Starting Wiring Diagram for Mercedes-Benz S500 2003:

• Battery
• Electronic ignition switch (eis) control module (left side of a a dash)
• Engine control module (me-sfi) (in right rear of engine compt)
• Fuse 150a
• Fuse 20a
• Fuse 60a
• Generator
• Hot w/ motor electronics/ chassis relay energized
• Pnk/red
• Red
• Right front fuse/ relay module (right rear of engine compt)
• Starter
• Starter relay
• Terminal block & fuse block (circuit 30 & 61)
• Terminal block x18
• W10 (right rear of trunk)
• W36/1 (right footwell)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003

List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Mercedes-Benz S500 2003:

• (pins 5 thru 32: not used)
• 15r
• Ab, fa+
• Ab, fa-
• Ab1, bf+
• Ab1, bf-
• Ab2, bf+
• Ab2, bf-
• Accel l
• Accel r
• Akse/sbe
• Can h
• Can l
• Clockspring
• Computer data lines system
• Crash sig
• Driver airbag squib (behind drivers airbag)
• Drvr belt
• Gs, hl+
• Gs, hl-
• Gs, hr+
• Gs, hr-
• Left airbags sensor (under left rear seat)
• Left front fuse/relay module (left rear of engine compt) i2
• Left front seat adjustment control module (under left front seat)
• Left front seat belt buckle restraints system switch
• Left frontal accel- eration sensor (left front of engine compt)
• Nca
• Pass belt
• Pnk/red
• Red
• Restraint systems control module
• Right airbags sensor (under right rear seat)
• Right front seat adjustment control module (under right front seat)
• Right front seat belt buckle restraints system switch
• Right frontal accel- eration sensor (right side of engine compt)
• Sb, bf+
• Sb, bf-
• Sb, f+
• Sb, f-
• Sb, hl+
• Sb, hl-
• Sb, hr+
• Sb, hr-
• Sbs, bf
• Sbs, fa
• Ss, bf+
• Ss, bf-
• Ss, f+
• Ss, f-
• Steering column module
• Tele aid control module
• W26 (under center console)
• Wb, l+
• Wb, l-
• Wb, r+
• Wb, r-

Supplemental Restraints Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003

List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Mercedes-Benz S500 2003:

• (behind right side of dash) front passenger airbag squib 1
• (behind right side of dash) front passenger airbag squib 2
• 58d
• 80a
• Akse
• Can-b h
• Can-b l
• Child seat recognition warning lamp
• Cockpit fuse box (right side of dash)
• Computer data lines system
• Driver etr squib (at base of left "b" pillar)
• Driver side airbag squib
• Front passenger etr squib (at base of right "b" pillar)
• Front passenger side airbag squib
• Fuse 10a
• Hot at all times
• Left rear etr squib (left "c" pillar)
• Left rear side airbag squib (at left rear door)
• Left rear window airbag squib (at left "c" pillar)
• Lower control field control module (front center console)
• Red
• Right rear etr squib (right "c" pillar)
• Right rear side airbag squib (at right rear door)
• Right rear window airbag squib (at right "c" pillar)
• Upper control panel control module (center of dash)
• W36/2 (at right footwell)

TRANSMISSION

A/T Wiring Diagram for Mercedes-Benz S500 2003

List of elements for A/T Wiring Diagram for Mercedes-Benz S500 2003:

• 1-2/ 4-5 valve
• 1-2/4-5 vlv
• 2-3 shift valve
• 2-3 vlv
• 3-4 shift valve
• 3-4 vlv
• Can (+)
• Can (-)
• Can h
• Can l
• Computer data lines system
• Data line
• Data link connector (at upper left footwell)
• Diagnostic
• Electronic selector lever control module (base of selector lever assembly)
• Engine electronic/ chassis relay
• Etc control module (right rear of engine compt)
• Fuse 15a
• Ground
• Hot at all times
• Keyless go control module
• Keyless go start/stop pushbutton
• L18
• Lock up valve
• Mode sw 2
• Modul- ator valve
• Modulator vlv
• Nca
• Power
• Pwm vlv
• Right front fuse/relay module (right rear of engine compt)
• Rpm 2
• Rpm 3
• Rpm sensor
• Sensor ground
• Sensor v+
• Shift illum
• Shift valve
• Shift vlv
• Start
• Start interlock switch
• Temp sensor
• Temp/start
• Transmission mode switch
• Valve unit (electronic transmission control)
• W28/1 (at left door sill)
• W36/1 (right footwell)

TRUNK, TAILGATE, FUEL DOOR

Trunk, Tailgate, Fuel Door Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Trunk, Tailgate, Fuel Door Wiring Diagram for Mercedes-Benz S500 2003:

• (-)
• 58d
• Can-b h
• Can-b l
• Computer data lines system
• Driver side power window switch group
• Hd-svs
• Hdf
• Hdf bel
• Left front door control module (in left front door)
• Pse control module (on left side of trunk)
• Remote trunk lid opening valve (center of trunk lid, part of trunk lid lock)
• Remote trunk release switch (center of trunk lid)
• Trunk release switch
• W7/1 (near right taillight)

WARNING SYSTEMS

Tire Pressure Monitoring Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Tire Pressure Monitoring Wiring Diagram for Mercedes-Benz S500 2003:

• Computer data lines system
• Fuse 10a
• Hot at all times
• L40
• Left front tire pressure monitoring wheel antenna
• Left front tire pressure monitoring wheel sensor
• Left rear tire pressure monitoring wheel antenna
• Left rear tire pressure monitoring wheel sensor
• Module (under right rear seat)
• Nca
• Rear fuse/relay
• Red
• Right front tire pressure monitoring wheel antenna
• Right front tire pressure monitoring wheel sensor
• Right rear tire pressure monitoring wheel antenna
• Right rear tire pressure monitoring wheel sensor
• Tire pressure monitoring control module (right front footwell, under step plate)
• W36/2 (right footwell)

WIPER/WASHER

Wiper/Washer Wiring Diagram for Mercedes-Benz S500 2003

List of elements for Wiper/Washer Wiring Diagram for Mercedes-Benz S500 2003:

• 15g
• 58d
• 87a
• Afl
• Can-b h
• Can-b l
• Circuit 15r relay (hot in run, acc & start)
• Combination switch
• Computer data lines system
• Exterior lamp switch
• Fuse 150a
• Fuse 15a
• Fuse 40a
• Headlamp cleaning switch
• Headlamp washer pump
• Heated washer hose
• Heated washer nozzles
• Hot at all times
• Hot in run or start
• Left front fuse/relay module (left rear of engine compt)
• Left front sam control module (in left fuse/ relay box, left rear corner of engine compt)
• Nca
• Nsl
• Overhead control panel control module (above rearview mirror)
• Park
• Pnk/red
• R/l sens sig
• Rain/light sensor (top center of dash)
• Red
• Right front sam control module (in right fuse/ relay box, left rear corner of engine compt)
• Sra
• Steering column module (left side of dash)
• Terminal block & fuse box (circuit 30 & 61)
• W2 (right side of eng compt)
• W9 (at left headlight)
• Windshield park heater relay
• Windshield washer pump
• Windshield wiper motor
• Wiper & washer switch
• Wiper on/off relay
• Wiper park position heater
• Wiper stage 1 & 2 relay