Contents Section: Electrical Component Locations All sections

Electrical Component Locator: Other Mercedes-Benz Pullman W220

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
Combination RelayOn left rear corner of engine compartment.
High Pressure/Return Pump RelayOn left rear of engine compartment.

BUZZERS, RELAYS & TIMERS

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Fuse BoxOn left rear corner of engine compartment. (Схема №1)
Rear Fuse BoxIn luggage compartment, behind right trim panel. (Схема №1)

CIRCUIT PROTECTION DEVICES

CONTROL UNITS

ComponentComponent Location
AIR Control ModuleOn left front of engine compartment, on frame rail. (Схема №1)
AIR Relay ModuleOn left rear of engine compartment.
Anti-Theft Alarm (ATA) Control ModuleOn right side of luggage compartment, behind trim panel. (Схема №1)
ASR/ETS/ESP Hydraulic UnitOn left side of engine compartment.
ASR/SPS Control ModuleIn module box, on right rear of engine compartment. (Схема №1)
Base Module (BM)In module box, on right rear of engine compartment. (Схема №1)
CF Relay ModuleIn left rear of engine compartment.
DAS Control ModuleBehind instrument cluster.
Daytime Running Light Control ModuleBehind center of dash.
Engine Control Module (ME-SFI) (S320 & S420 & S500)In module box, on right rear of engine compartment. (Схема №1)
Engine Control Module (ME-SFI) (Left) (S600)In module box, on right rear of engine compartment. (Схема №1)
Engine Control Module (ME-SFI) (Right) (S600)In module box, on right rear of engine compartment. (Схема №1)
ESP/SPS Control ModuleIn module box, on right rear of engine compartment. (Схема №1)
External Light Failure Monitoring ModuleIn left rear of engine compartment.
Fuel Pump (FP) Relay ModuleOn right side of trunk. (Схема №1)
HCS Relay ModuleIn left rear of engine compartment.
Headlight Range Control ModuleIn front of passenger's footwell.
Horn Relay ModuleIn left rear of engine compartment.
HS Control Modules (2) (Front & Rear)Beneath rear seat.
MSC Control ModuleOn front of passenger's footwell.
Parktronic System (PTS) Control ModuleBelow right rear seat. (Схема №1)
Rear Window Defrost Relay ModuleOn right rear of trunk.
Remote Control (RCL) ModuleOn right side of luggage compartment, behind trim panel.
Seat Belt Extender Control ModuleBehind left rear side cover panel.
Seat Belt Reminder Control ModuleBehind left center of dash.
SRS Control ModuleBeneath front of center console. (Схема №1)
Starter Lock-Out Relay ModuleIn left rear corner of engine compartment.
Transmission Control ModuleIn module box, on right rear of engine compartment. (Схема №1)

CONTROL UNITS

MOTORS

ComponentComponent Location
AIR PumpOn lower right front of engine.
ASR/ESP Charging PumpIn left front fender, behind molding.
Automatic AntennaOn left side of trunk.
Auxiliary Fans (2)On front of engine compartment.
Electronic Accelerator (EA)/ Cruise Control (CC)/ Idle Speed Control (ISC) Actuator (S320)On left side of engine beneath intake manifold.
Electronic Accelerator (EA)/ Cruise Control (CC)/ Idle Speed Control (ISC) Actuator (S420 & S500)On top center of engine.
Electronic Accelerator (EA)/ Cruise Control (CC)/ Idle Speed Control (ISC) Actuator (Left) (S600)On right side of engine.
Electronic Accelerator (EA)/ Cruise Control (CC)/ Idle Speed Control (ISC) Actuator (Right) (S600)On left side of engine.
ESC Motor GroupAbove accelerator pedal.
Fuel Pump (FP) AssemblyOn right underside of vehicle, forward of rear axle.
Rear Blower MotorBelow center console.
Washer PumpOn washer fluid reservoir.
Wiper MotorOn top left of firewall.

MOTORS

SENDING UNITS & SENSORS

ComponentComponent Location
ABS Lateral Acceleration SensorBeneath center of rear seat.
Body Acceleration Sensor (Left Front)On top of left front wheel arch.
Body Acceleration Sensor (Right Front)On top of right front wheel arch.
Body Acceleration Sensor (Right Rear)On right front of trunk floor.
Camshaft Hall Effect Sensor (S320)On left front of cylinder head.
Camshaft Hall Effect Sensor (S420 & S500)On right front of left cylinder head.
Camshaft Hall Effect Sensor (Left) (S600)On front of right cylinder head.
Camshaft Hall Effect Sensor (Right) (S600)On front of left cylinder head.
CKP Sensor (S420 & S500)On left rear of engine.
CKP Sensor (Left) (S600)On left rear of engine.
CKP Sensor (Right) (S600)On right rear of engine.
DM Pressure Sensor (S320)On top left front of engine.
DM Pressure Sensor (S420 & S500)On top front center of engine.
Engine Coolant Temperature Sensor (S320)On top left front corner of engine.
Engine Coolant Temperature Sensor (S420 & S500)On top front of engine.
Engine Coolant Temperature (ECT) Sensor (Left) (S600)On left front of engine.
Engine Coolant Temperature (ECT) Sensor (Right) (S600)On right front of engine.
ESP Brake Pressure SensorIn rear of left front wheel well.
Evaporator Temperature SensorOn left side of evaporator housing, above accelerator pedal.
Front Axle Level SensorOn right side of front sway bar.
Front VSS Sensor (Left)On left front wheel hub assembly.
Front VSS Sensor (Right)On right front wheel hub assembly.
Fuel Level SensorOn top, left of fuel tank.
Fuel Tank Pressure SensorOn top of fuel level sensor, in fuel tank.
Heater Core Temperature SensorsBehind center of dashboard, below radio.
Hot Film MAF Sensor (S320)On air intake duct.
Hot Film MAF Sensor (S420 & S500)On top center of engine.
Hot Film MAF Sensor (Left) (S600)On right side air intake.
Hot Film MAF Sensor (Right) (S600)On left side air intake.
IAT Sensor (S320)On center of engine, in air intake duct.
IAT Sensor (S420 & S500)On center of engine, in air intake.
IAT Sensor (Left) (S600)On right side air intake.
IAT Sensor (Right) (S600)On left side air intake.
In-Car Temperature Sensor (A/C)In dome light assembly.
Knock Sensor No. 1 (S320)On left side of engine, toward front of engine.
Knock Sensor No. 1 (S420 & S500)On lower left side of engine.
Knock Sensor No. 1 (Left) (S600)On top of engine in left side of valley, toward front of engine.
Knock Sensor No. 1 (Right) (S600)On top of engine in right side of valley, toward front of engine.
Knock Sensor No. 2 (S320)On left side of engine, toward rear of engine.
Knock Sensor No. 2 (S420 & S500)On lower right side of engine.
Knock Sensor No. 2 (Left) (S600)On top of engine in left side of valley, toward rear of engine.
Knock Sensor No. 2 (Right) (S600)On top of engine in right side of valley, toward rear of engine.
Left Rear Heater Core Temperature SensorIn rear of center console.
Left Side Air Bag SensorBeneath driver's seat, on crossmember.
Oil Pressure SensorOn lower left rear of engine.
Outside Temperature Indicator SensorIn left side of front bumper.
Oxygen Sensor No. 1 (Before TWC) (S320)On exhaust pipe, before TWC.
Oxygen Sensor No. 1 (Left) (Before TWC) (S420 & S500)On left exhaust pipe, in front of TWC.
Oxygen Sensor No. 1 (Left) (Before TWC) (S600)On left exhaust pipe, in front of TWC.
Oxygen Sensor No. 1 (Right) (Before TWC) (S420 & S500)On right exhaust pipe, in front of TWC.
Oxygen Sensor No. 1 (Right) (Before TWC) (S600)On right exhaust pipe, in front of TWC.
Oxygen Sensor No. 2 (After TWC) (S320)On rear of TWC.
Oxygen Sensor No. 2 (Left) (After TWC) (S420 & S500)On left exhaust pipe, after TWC.
Oxygen Sensor No. 2 (Left) (After TWC) (S600)On left exhaust pipe, after TWC.
Oxygen Sensor No. 2 (Right) (After TWC) (S420 & S500)On right exhaust pipe, after TWC.
Oxygen Sensor No. 2 (Right) (After TWC) (S600)On right exhaust pipe, after TWC.
Parktronic System (PTS) Bumper Sensors (Front) (6)On front bumper.
Parktronic System (PTS) Bumper Sensors (Rear) (4)On rear bumper.
Pedal Value SensorIn right rear of engine compartment.
Pressure Sensor (S420 & S500)On top front of engine.
Pressure Sensor (Left) (S600)On left front of engine.
Pressure Sensor (Right) (S600)On left front of engine.
Rain SensorOn top center of windshield, integrated with speaker/mirror assembly. (Схема №1)
Rear Axle Level SensorOn rear sway bar, right of differential.
Rear Evaporator Temperature SensorIn rear of center console.
Rear VSS Sensor (Left)On left rear wheel hub assembly.
Rear VSS Sensor (Right)On right rear wheel hub assembly.
Refrigerant Pressure SensorIn left front corner of engine compartment.
Refrigerant Temperature SensorIn left front corner of engine compartment.
Right Rear Heater Core Temperature SensorIn rear of center console.
Right Side Air Bag SensorBeneath front passenger's seat, on crossmember.
Steering Angle SensorIn top of steering column.
Sun SensorTop center of dash.
Yaw Rate SensorOn left side of trunk. (Схема №1)

SENDING UNITS & SENSORS

SOLENOIDS & SOLENOID VALVES

ComponentComponent Location
Adjustable Camshaft Timing Solenoid (S320)On left front of engine.
Adjustable Camshaft Timing Solenoid (Left) (S420 & S500)On left front of engine.
Adjustable Camshaft Timing Solenoid (Right) (S420 & S500)On right front of engine.
Adjustable Camshaft Timing Solenoid (Left) (S600)On left front of engine.
Adjustable Camshaft Timing Solenoid (Right) (S600)On right front of engine.
AIR Pump Switchover Valve (S320)On top center front of engine.
AIR Pump Switchover Valve (S420 & S500)On top center front of engine.
AIR Pump Switchover Valve (S600)On right side of engine, near MAF sensor.
Seat Belt Comfort Feature Solenoid (Left & Right)In bottom of respective "B" pillar.

SOLENOIDS & SOLENOID VALVES

SWITCHES

ComponentComponent Location
ECL SwitchOn bottom of coolant reservoir.
Engine Hood SwitchOn right front of engine compartment.
Heated Washer Thermo SwitchOn underside rear of hood.
Kickdown SwitchUnder accelerator pedal.
Oil Level Switch (S320)On left side of oil pan.
Oil Level Switch (S420 & S500)On right side of oil pan.
Oil Level Switch (S600)On right side of oil pan.
Parking Brake SwitchAt top of parking brake assembly.
Stoplight SwitchAt top of brake pedal.
Transmission Range Recognition Switch (Voltage Coded)On gear shift selector assembly.
Trunk Lid Lock SwitchIn trunk latch switch.

SWITCHES

MISCELLANEOUS

ComponentComponent Location
Alarm HornIn right front of engine compartment.
CA Supply PumpIn left front of trunk.
CTEL Transmitter-ReceiverOn left side of trunk. (Схема №1)
Data Link Connector (DLC) (DTC Readout)On right side of engine compartment. (Схема №1)
Data Link Connector (DLC) (OBD II)On underdash panel in driver's footwell. (Схема №1)
Electrolytic Capacitor (Charging System)In left side of passenger's footwell.
Electrolytic Capacitor (Rear Defogger)On right "C" pillar, under trim panel.
Electromagnetic AIR Pump Clutch (S600)On lower right front of engine.
Heater Supply UnitIn left front of engine compartment.
Left Front Door IR ReceiverIn driver's door handle.
Rear Heater Supply UnitIn rear of right front wheel well, in fender.
Right Front Door IR ReceiverIn passenger's door handle.
SRS Test ConnectorIn passenger's footwell.
Trunk Lid IR ReceiverOn trunk lid left of lock.

MISCELLANEOUS

CONNECTORS

ComponentComponent Location
X1/6At left kick panel.
X1/7At right kick panel.
X4 (2-Pin)At left rear of engine compartment, at fuse & relay box.
X4/5 (1-Pin)At right side of luggage compartment.
X4/10At right rear of engine compartment.
X4/17At left top of left front footwell.
X4/20 (4-Pin)At left rear of engine compartment, at fuse & relay box.
X4/23 (2-Pin)Under foot plate at right front footwell.
X4/28Under steering column.
X6Under center of dash.
X8/6At top front of left front door.
X8/7At top front of left front door.
X9 (1-Pin)At left rear of engine compartment.
X11At left middle of engine compartment.
X11/2 (9-Pin)At left middle of engine compartment.
X11/3 (9-Pin)At right rear of engine compartment.
X11/4 (35-Pin)At right rear of engine compartment.
X11/7 (4-Pin)At center of heater intake plenum.
X11/13 (12-Pin)At center of heater intake plenum.
X11/14 (2 or 4-Pin)At right side of heater intake plenum.
X11/15 (16-Pin)At right kick panel.
X11/21 (3-Pin)At right side of heater intake plenum.
X11/22 (16-Pin)Under left side of dash.
X11/26At left side of luggage compartment.
X18At left top of left front footwell.
X20/1At right top of rear partition panel.
X20/2At left kick panel.
X20/3 (4-Pin)At left rear of engine compartment.
X21/1At left top of left front footwell.
X22/5 (4-Pin)At right side of heater intake plenum.
X22/8At right side of left front footwell.
X22/9 (4-Pin)At right front of left front footwell.
X24 (6-Pin)At left rear of engine compartment.
X26At left rear of engine compartment.
X26/2 (36-Pin)At right side of engine compartment.
X26/27Behind left side of front bumper.
X27At right rear of engine compartment.
X27/6Near coolant reservoir.
X28/4 (2-Pin)Under steering column.
X28/5 (2-Pin)Behind steering wheel.
X29/1 (2-Pin)In glove box.
X29/2 (2-Pin)Under center of dash.
X29/3Behind center face vents.
X29/4 (2-Pin)At left rear of engine compartment.
X33/14 (16-Pin)Under right front foot plate.
X34/3In right front door jamb.
X34/5At right rear door jamb.
X35/1At left kick panel.
X35/2At right kick panel.
X35/3At left "B" pillar.
X35/4At right "B" pillar.
X35/5 (12-Pin)At right kick panel.
X35/7 (18-Pin)At right side of heater intake plenum.
X35/8 (16-Pin)At right side of heater intake plenum.
X35/15At right kick panel.
X35/16 (8-Pin)At right side of heater intake plenum.
X35/20 (12-Pin)At right kick panel.
X35/21Behind right headlamp.
X35/22 (1-Pin)At left kick panel.
X35/26Under right front foot plate.
X35/27Under right side of dash.
X35/28At right rear of luggage compartment.
X35/35At left kick panel.
X35/51 (4-Pin)At right kick panel.
X35/58 (10-Pin)At left rear of engine compartment.
X35/59Under right front foot plate.
X35/60At right kick panel.
X35/61Under right front foot plate.
X35/62Under right front foot plate.
X35/63In control module box.
X35/64 (18-Pin)Under right front foot plate.
X35/65At left rear of engine compartment.
X35/66Under right front foot plate.
X36/3 (2-Pin)Under rear seat, at right side of propeller shaft tunnel.
X39/3 (4-Pin)Under center of dash.
X39/4 (4-Pin)Under left front of center console.
X39/10 (12-Pin)Under right front of center console.
X39/14Under right front of center console.
X39/36 (4-Pin)Under center console, left of shifter lever.
X42/13 (1-Pin)Behind radio.
X42/15At right front of engine compartment.
X43 (3-Pin)Behind center of dash.
X44/4Under rear seat cushion.
X46/5 (3-Pin)At right side of heater intake plenum.
X47/2At right rear of engine.
X47/3At right rear of engine.
X47/4At right rear of engine.
X49/2 (10-Pin)At right side of left front footwell.
X49/4 (1-Pin)In fuse & relay box.
X50/1 (4-Pin)At right side of left front footwell.
X54/7Behind left side of dash.
X55/3Under front of left front seat.
X55/4Under front of left front seat.
X59/1 (2-Pin)At left middle of engine compartment.
X62/6At right rear of engine compartment.
X62/7At left side of engine compartment.
X62/8Under right rear of vehicle, near fuel filter.
X62/14At left front wheel.
X62/15At right front wheel.
X72/1 (2-Pin)Under center of dash.
X83/1 (2-Pin)At left front of right front footwell.
X83/8 (1-Pin)At left side of engine compartment.
X83/13Under steering column.
X85/1 (2-Pin)At left rear of engine compartment.
X87/1At right rear of engine compartment.
X88/2Under right front foot plate.
X96/1 (4-Pin)At right side of heater intake plenum.

CONNECTORS

GROUNDS

ComponentComponent Location
W1Behind instrument cluster.
W3At left front wheelwell, near ignition coil. (Схема №1)
W3/1At right front wheelwell, near ignition coil. (Схема №1)
W3/2At left side of engine compartment. (Схема №1)
W3/3At right side of engine compartment. (Схема №1)
W6At left side of luggage compartment. (Схема №1)
W6/1At left rear of luggage compartment. (Схема №1)
W7/1At right rear of luggage compartment. (Схема №1)
W9/1Behind left headlamp. (Схема №1)
W9/2Behind right headlamp. (Схема №1)
W10At right rear of luggage compartment. (Схема №1)
W11At top middle of engine. (Схема №1)
W11/1At left rear bottom of engine. (Схема №1)
W12In front of shifter lever. (Схема №1)
W13/1Under left "C" pillar trim. (Схема №1)
W14At left side of engine compartment. (Схема №1)
W15At right kick panel. (Схема №1)
W15/1At right kick panel. (Схема №1)
W16At right side of engine compartment. (Схема №1)
W16/2At left side of engine compartment. (Схема №1)
W17Under right side of rear seat. (Схема №1)
W26In front of shifter lever. (Схема №1)
W28/1On sill panel, below left front door. (Схема №1)
W28/2On sill panel, below right front door. (Схема №1)
W29At left "A" pillar. (Схема №1)
W29/1At left "A" pillar. (Схема №1)
W29/2At right kick panel. (Схема №1)
W29/4At right "C" pillar. (Схема №1)
W30At left rear bottom of engine. (Схема №1)
W31At left side of luggage compartment. (Схема №1)
W36At right kick panel. (Схема №1)

GROUNDS