Mercedes-Benz R-class W251 facelift (2007-2010) (right front wheelwell) Wiring diagrams

54 41 7 24 15 12 40 11 24 41 67 72 CAN-CL CAN-CH ACCEL SET/ ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK/BLU WIRE BLU/BRN WIRE BRN WIRE CAN C H CAN C L CAN-SH CAN-SL 31 CDI CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) COMPUTER DATA LINES SYSTEM CONTROL CONTACT CRUISE CONTROL SWITCH DECEL/ SET DTR CONTROL UNIT (BEHIND CENTER FRONT BUMPER) DTR DISTANCE POTENTIOMETER (IF EQUIPPED) ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES COCKPIT FUSE 13 FUSE BOX (BEHIND RIGHT END OF DASH) HOT IN ON OR START MEMORY RECALL OFF RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE SIG MOT(-) (-) (+) MOT(+) STEERING COLUMN MODULE (TOP OF STEERING COLUMN) THROTTLE VALVE ACTUATOR (RIGHT FRONT OF ENGINE) VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

ABS IND. BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRAKE FLUID, PARKING BRAKE WARNING IND BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B L CAN B H COCKPIT COMPUTER DATA LINES SYSTEM ESP BRAKE PRESSURE SENSOR (ON BRAKE MASTER CYLINDER) ESP WARNING LAMP IND FRONT SAM CONTROL UNIT (UNDER RIGHT FRONT SEAT) GRN/BLK WIRE HOT AT ALL TIMES FUSE 11 FUSE BOX (BEHIND RIGHT END OF DASH) INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR NCA WIRE PARKING BRAKE INDICATOR SWITCH (ABOVE PARKING BRAKE) REAR SAM CONTROL MODULE (RIGHT REAR OF CARGO AREA) RED/BLK WIRE RED/WHT WIRE RIGHT FRONT BRAKE PAD CONTACT SENSOR (ON RIGHT FRONT BRAKE ASSEMBLY) RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR BRAKE PAD CONTACT SENSOR (ON RIGHT REAR BRAKE ASSEMBLY) RIGHT REAR WHEEL SPEED SENSOR VIO/WHT WIRE VOLTAGE DISTRIBUTOR CONNECTOR WHT WIRE WHT/BLK WIRE YEL/WHT WIRE

2 3 4 1 PNK WIRE 3.5L 3.0L 51 52 58 41 54 43 CAN-C H CAN-C L GER (OR LUES) 60 56 66 16 TMOT (-) BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CENTER REAR INTERIOR TEMPERATURE SENSOR (UNDER CENTER FLOOR CONSOLE) COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP (RIGHT FRONT OF ENGINE COMPT) ELECTRIC SUCTION FAN ENGINE, AC W/ INTEGRATED CONTROL (BEHIND RADIATOR) ENGINE COMPT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) EVAPORATOR TEMPERATURE SENSOR (UNDER LEFT SIDE OF DASH) FRONT PREFUSE (RIGHT REAR OF ENGINE COMPT) FUSE 101 FUSE 7 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED LEFT CENTER AIR FLAP ACTUATOR MOTOR (LEFT SIDE OF A/C HOUSING) LEFT CENTER OUTLET TEMPERATURE SENSOR LEFT FOOTWELL TEMPERATURE SENSOR LEFT SIDE OUTLET TEMPERATURE SENSOR (BEHIND LEFT SIDE OF DASH) NCA WIRE ORG/ WIRE PNK WIRE PNK/WHT WIRE REAR AIR DISTRIBUTION FLAP ACTUATOR MOTOR (ON BOOSTER BLOWER ASSEMBLY) RED WIRE REFRIGERANT PRESSURE SENSOR (EXCEPT 5.0L) (LEFT FRONT OF ENGINE COMPT) RIGHT CENTER OUTLET TEMPERATURE SENSOR (BEHIND CENTER OF DASH) RIGHT FOOTWELL TEMPERATURE SENSOR (UNDER RIGHT CENTER OF DASH) RIGHT SIDE OUTLET TEMPERATURE SENSOR (BEHIND RIGHT SIDE OF DASH) SUN SENSOR (TOP CENTER OF DASH) VIO WIRE VIO/BLK WIRE VIO/WHT WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 SIG DIAG SIG SIG SIG SIG SIG SIG A/C COMPRESSOR (LEFT FRONT OF ENGINE) BATTERY COMPARTMENT PREFUSE BOX (UNDER RIGHT FRONT SEAT) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BOOSTER BLOWER ELECTRONIC BLOWER CONTROLLER (ON BLOWER MOTOR) BOOSTER BLOWER MOTOR (UNDER REAR OF CENTER CONSOLE) BRN WIRE BRN/RED WIRE COCKPIT FUSE BOX COMFORT AAC PUSHBUTTON CONTROL MODULE COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP (RIGHT FRONT OF ENGINE COMPT) EMISSIONS SENSOR (RIGHT REAR CORNER OF ENGINE COMPT) FUSE 10 (BEHIND RIGHT END OF DASH) FUSE 12 FUSE 78 FUSE 91 GND ANST KRV ZWP (+) GND GND GND LIN GND LIN CAN-B H CAN-B L GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES LIN NCA WIRE ORG/ WIRE PNK WIRE PNK/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REFRIGERANT PRESSURE SENSOR (EXCEPT 5.0L) (LEFT FRONT OF ENGINE COMPT) SIG SIG SIG SIG WAKE UP SIG SIG VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT/BLK WIRE YEL/BLK WIRE YEL/WHT WIRE

3.5L 3.0L 58 51 52 43 41 54 GER (OR LUES) CAN-C H CAN-C L 60 56 66 16 TMOT (-) AIR DISTRIBUTION ACTUATOR MOTOR (ON REAR A/C UNIT) BLENDING AIR FLAP ACTUATOR MOTOR (ON REAR A/C UNIT) BLK WIRE BLK/BLU WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ENGINE COMPT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) EVAPORATOR TEMPERATURE SENSOR FRONT PREFUSE (RIGHT REAR OF ENGINE COMPT) FUSE 101 FUSE 7 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED LEFT CENTER AIR FLAP ACTUATOR MOTOR (LEFT SIDE OF A/C HOUSING) LEFT CENTER OUTLET TEMPERATURE SENSOR LEFT FOOTWELL TEMPERATURE SENSOR LEFT SIDE OUTLET TEMPERATURE SENSOR NCA WIRE ORG/ WIRE PNK WIRE REAR AIR DISTRIBUTION FLAP ACTUATOR MOTOR (ON BOOSTER BLOWER ASSEMBLY) RED WIRE RED/BLK WIRE RIGHT CENTER AIR FLAP ACTUATOR MOTOR (RIGHT SIDE OF A/C HOUSING) RIGHT CENTER OUTLET TEMPERATURE SENSOR RIGHT FOOTWELL FLAP ACTUATOR MOTOR (RIGHT SIDE OF A/C HOUSING) RIGHT FOOTWELL TEMPERATURE SENSOR RIGHT SIDE OUTLET TEMPERATURE SENSOR VIO WIRE VIO/BLK WIRE VIO/WHT WIRE W/ REAR A/C W/O REAR A/C YEL/BLK WIRE

17 18 CAN-B H CAN-B L 51 52 58 41 54 43 CAN-C H CAN-C L GER (OR LUES) BLU/WHT WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP (RIGHT FRONT OF ENGINE COMPT) ELECTRIC SUCTION FAN ENGINE, AC WITH INTEGRATED CONTROL (BEHIND RADIATOR) ENGINE COMPT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) FUSE 101 GRN WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES FRONT PREFUSE FUSE 7 (RIGHT REAR OF ENGINE COMPT) HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED PNK WIRE RED WIRE TMOT YEL/BLK WIRE ZWP +

30 DVV 87 SIG ABLV AIR COMPRESSOR MOTOR AIR SUSPENSION COMPRESSOR RELAY AIRMATIC COMPRESSOR UNIT (BEHIND RIGHT SIDE OF FRONT BUMPER) AIRMATIC PRESSURE REDUCTION VALVE AIRMATIC W/ADS CONTROL MODULE (IN RIGHT FRONT FOOTWELL) BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) FRONT PREFUSE FUSE 108 FUSE 32 FUSE 53 FUSE 8 (RIGHT REAR OF ENGINE COMPT) GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HL WE HOT AT ALL TIMES HOT IN RUN OR START LEFT FRONT LEVEL SENSOR (IN LEFT FRONT WHEELWELL) LEFT FRONT SOLENOID VALVE 2 LOAD COMPARTMENT FUSE, RELAY BOX (RIGHT REAR NCA WIRE OF CARGO AREA) ORG/ WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REL (+) SIG RIGHT FOOTWELL VOLTAGE DISTRIBUTOR CONNECTOR RIGHT FRONT LEVEL SENSOR (IN RIGHT FRONT WHEELWELL) RIGHT FRONT SOLENOID VALVE 1 SIG SIG REL SIG VIO WIRE VL - WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/WHT WIRE

11 10 CAN-C L CAN-C H 36 35 CAN-B H CAN-B L BATTERY BLK/BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) FRONT SAM CONTROL UNIT (UNDER RIGHT FRONT SEAT) FUSE FUSE COMPARTMENT PREFUSE BOX (UNDER RIGHT FRONT SEAT) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT DYNAMIC CORNERING LAMP MOTOR LEFT FRONT HEADLAMP UNIT LEFT FRONT SIDE MARKER LAMP LEFT RIGHT TURN LEFT STANDING, PARKING LAMP LEFT TURN SIGNAL LAMP PNK/BLK WIRE PNK/WHT WIRE RED WIRE RIGHT DYNAMIC CORNERING LAMP MOTOR RIGHT FRONT HEADLAMP UNIT RIGHT FRONT SIDE MARKER LAMP RIGHT STANDING, PARKING LAMP RIGHT STOP LAMP, TAILLAMP, PARKING LAMP, SIDE MARKER LAMP RIGHT TAILLAMP RIGHT TRUNK LAMP RIGHT TURN SIGNAL LAMP SIGNAL, SWITCH STEERING COLUMN MODULE (TOP OF STEERING COLUMN) VIO/BLK WIRE VIO/WHT WIRE

BATTERY BATTERY COMPARTMENT PREFUSE BOX, PTC HEATER BOOSTER (IF EQUIPPED) BLK WIRE BRN WIRE CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR 1, 3 ELECTRIC CONTROL UNIT (VGS), GROUND CONNECTOR SLEEVE ELECTRIC SUCTION FAN ENGINE AND AC W/ INTEGRATED CONTROL ESP CONTROL MODULE GLOW TIME OUTPUT STAGE, AIR PUMP HEATED REAR WINDOW, LEFT ANTENNA COIL 1, LEFT ANTENNA COIL 2 INTERFERENCE FILTER 1 LEFT REAR FOOTWELL NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE W/ INTERIOR LIGHT PACKAGE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 CAN-C H CAN-C L 10 11 CAN-C H CAN-C L 17 18 CAN B L CAN B H 17 27 CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM 5 6 7 30 31 LIN BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/RED WIRE BUS SIG CIRCUIT 31 RIGHT FOOTWELL VOLTAGE DISTRIBUTOR CONNECTOR CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) EXCEPT 5.0L 36 35 CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM EXTERIOR LAMP SWITCH FRONT SAM CONTROL UNIT (UNDER RIGHT FRONT SEAT) FUSE 112 FUSE 55 FUSE 54 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/WHT WIRE HEADLAMP FLASHER/ HIGH BEAM SW HEADLAMP RANGE ADJUSTMENT CONTROL MODULE (IN RIGHT FRONT FOOTWELL) HIGH BEAM INDICATOR HOT W/ CIRCUIT 15 RELAY ENERGIZED HRA POWER MODULE (W/ XENON) INSTRUMENT CLUSTER LEFT FOG LAMP LEFT FRONT HEADLAMP UNIT LEFT HEADLAMP RANGE ADJUSTMENT MOTOR LEFT HIGH BEAM LEFT LOW BEAM LEFT HIGH BEAM SOLENOID LEFT TAILLAMP LIN LOAD COMPARTMENT FUSE, RELAY BOX (RIGHT REAR OF CARGO AREA) LOW BEAM SW ORG/ WIRE PNK/BLK WIRE REAR FOG LAMP RED/BLU WIRE RIGHT FOG LAMP RIGHT FRONT HEADLAMP UNIT RIGHT HEADLAMP RANGE ADJUSTMENT MOTOR RIGHT HIGH BEAM SOLENOID RIGHT HIGH BEAM RIGHT TAILLAMP STEERING COLUMN MODULE (TOP OF STEERING COLUMN) UPPER CONTROL PANEL CONTROL MODULE VIO WIRE VIO/BLK WIRE W/ XENON XENON W/O W/O XENON XENON WHT/BLU WIRE XENON HEADLAMP IGNITION MODULE (W/ XENON) XENON HEADLAMP SUPPLY MODULE (W/ XENON) XENON RIGHT LOW BEAM HEADLAMP IGNITION MODULE (W/ XENON) YEL/BLK WIRE