Mercedes-Benz R-class W251 facelift (2007-2010) wht/blk Wiring diagrams

54 41 10 37 23 50 11 88 39 43 64 74 75 CAN-CL CAN-CH ACCEL SET/ ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK/BLU WIRE BRN WIRE CAN C H CAN C L CAN-SH CAN-SL 31 COMPUTER DATA LINES SYSTEM CONTROL CONTACT CRUISE CONTROL SWITCH DECEL/ SET DKL DKP_M DK_S+ DK_S_ 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 HOT AT ALL TIMES COCKPIT FUSE 13 FUSE BOX (BEHIND RIGHT END OF DASH) HOT IN ON OR START ME-SFI CONTROL MODULE (TOP CENTER OF ENGINE) MEMORY RECALL OFF PNK/BLK WIRE PNK/BLU WIRE PNK/BRN WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/WHT WIRE RED/BLK WIRE RED/BLU WIRE STEERING COLUMN MODULE (TOP OF STEERING COLUMN) THROTTLE VALVE ACTUATOR (REAR OF INTAKE MANIFOLD) VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

1 2 3 5 31 SIG 1 3 1 2 5 6 GND OR IR- IR+ IR DATA 35 36 CAN-B L CAN-B H 4 1 2 5 30 CAN-B H CAN-B L 31 BLU WIRE BRN WIRE BRN/RED WIRE CND COMPUTER DATA LINES SYSTEM DRIVER OPEN & CLOSED SWITCH (W/ AUTOMATIC REAR END DOOR) FRONT PASSENGER POWER WINDOW SWITCH FUSE 26 RELAY BOX (RIGHT REAR OF CARGO AREA) FUSE 34 GRN WIRE GRY/BLK WIRE HORNS SYSTEM HOT AT ALL TIMES LEFT FRONT DOOR CL MOTOR (REAR OF LEFT FRONT DOOR) LEFT FRONT DOOR CONTROL MODULE (IN FRONT OF LEFT FRONT DOOR) LEFT FRONT DOOR ENTRANCE, EXIT LAMP LEFT FRONT DOOR INSIDE HANDLE ILLUMINATION LEFT FRONT IR RECEIVER LEFT FRONT KEYLESS GO DOOR HANDLE LEFT INTERIOR CL [ZV] SWITCH LOAD COMPARTMENT FUSE, NCA WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RIGHT FRONT DOOR CL MOTOR (REAR OF RIGHT FRONT DOOR) RIGHT FRONT DOOR CONTROL MODULE (IN FRONT OF RIGHT FRONT DOOR) RIGHT FRONT DOOR ENTRANCE, EXIT LAMP RIGHT FRONT DOOR INSIDE HANDLE ILLUMINATION RIGHT FRONT KEYLESS GO DOOR HANDLE (W/ KEYLESS GO) RIGHT INTERIOR CL [ZV] SWITCH SIG (2) VIO/BLK WIRE W/KEYLESS GO W/O IR REMOTE CONTROL W/O KEYLESS GO W/ IR REMOTE CONTROL WHT WIRE WHT/BLK WIRE

10 11 CAN-C H CAN-C L 3 4 7 6 5 CAN-B H CAN-B L LIN 31 30 36 35 CAN-B H CAN-B L 6 5 CAN-C L CAN-C H 7 8 CAN-C L CAN-C H BLK/BLU WIRE BLU WIRE BRN WIRE BRN/RED WIRE CENTRAL GATEWAY CONTROL MODULE (IN LEFT FRONT FOOTWELL) COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EIS (EZS) CONTROL MODULE EXTERIOR LAMP SWITCH FRONT SAM CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HCS PUMP (ON WASHER FLUID RESERVOIR) HEADLIGHTS SYSTEM RED/BLU WIRE SRA STEERING COLUMN MODULE (TOP OF STEERING COLUMN) UPPER CONTROL PANEL CONTROL MODULE WHT/BLK WIRE WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH

1 2 3 4 5 6 7 8 ANT GND ANT GND BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COCKPIT KEYLESS GO ANTENNA (UNDER FRONT OF CENTER FLOOR CONSOLE) COMPUTER DATA LINES SYSTEM GND GND GND GND GND GND GND GND GRN/BLK WIRE GRN/BLU WIRE HR VR HL VL INTERIOR KEYLESS GO ANTENNA (CENTER REAR OF FLOOR) KEYLESS GO CONTROL MODULE (RIGHT REAR OF CARGO AREA) KEYLESS GO LEFT REAR DOOR ANTENNA (IN LEFT REAR DOOR) KEYLESS GO RIGHT REAR DOOR ANTENNA (IN RIGHT REAR DOOR) KEYLESS GO TRUNK ANTENNA (LEFT SIDE OF TAILGATE) LEFT FRONT KEYLESS GO DOOR HANDLE LEFT REAR KEYLESS GO DOOR HANDLE NCA WIRE PNK/BLK WIRE PNK/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT KEYLESS GO DOOR HANDLE RIGHT REAR KEYLESS GO DOOR HANDLE ROOF ANTENNA MODULE (CENTER REAR OF ROOF) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE YEL/WHT WIRE

AUX L + AUX R + BACKUP CAMERA BACKUP CAMERA VOLTAGE SUPPLY MODULE BLK WIRE BRN WIRE CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR 2 COMAND OPERATING, DISPLAY, CONTROL MODULE DVD PLAYER (W/ REAR ENTERTAINMENT) NCA WIRE RED/BLK WIRE SHIELD VIDEO OUT VIDEO GND W/ REAR ENTERTAINMENT W/O REAR ENTERTAINMENT WHT/BLK WIRE YEL WIRE

10 11 CAN-C H CAN-C L 12 13 CAN-C L CAN-C H 35 36 CAN-B L CAN-B H 6 5 CAN-C L CAN-C H 7 8 CAN-C L CAN-C H BLK/WHT WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H CENTRAL GATEWAY CONTROL MODULE (IN LEFT FRONT FOOTWELL) COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EIS (EZS) CONTROL MODULE FRONT SAM CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) FUSE 50 FUSE 60 GRN WIRE GRN/WHT WIRE HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER LOAD COMPARTMENT FUSE, RELAY BOX (RIGHT REAR OF CARGO AREA) PNK/WHT WIRE REAR WIPER RELAY RED/BLK WIRE RIGHT REAR SEAT VOLTAGE DISTRI- BUTOR CON- NECTOR STEERING COLUMN MODULE (TOP OF STEERING COLUMN) TAILGATE WIPER MOTOR (CENTER OF TAILGATE) WHT/BLK WIRE WINDSHIELD WASHER FLUID PUMP (ON WASHER FLUID RESERVOIR) WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH

1 2 3 30 31 WAKE-UP 1 2 3 4 MIC (-) MIC GND MIC (+) 1 2 MOST MOST IN MOST OUT 1 2 MOST OUT MOST IN BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE CD CHANGER CENTER COCKPIT SPEAKER (CENTERFILL) EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED) (IN LEFT REAR FOOTWELL) GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES COCKPIT FUSE BOX (BEHIND RIGHT END OF DASH) FUSE 14 LEFT FRONT DOOR SPEAKER LEFT FRONT DOOR TWEETER LEFT REAR DOOR SPEAKER LEFT REAR DOOR TWEETER LEFT REAR SURROUND LOUDSPEAKER MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT DOOR TWEETER RIGHT REAR DOOR SPEAKER RIGHT REAR DOOR TWEETER RIGHT REAR SURROUND LOUDSPEAKER SOUND AMPLIFIER MICROPHONE SOUND SYSTEM AMPLIFIER (UNDER DRIVER'S SEAT) SRL (+) SRR (+) HR (+) HL (+) SUBWOOFER LOUDSPEAKER SW (+) SW (+) SW (+) SW (+) VM (+) VL (+) VL (+) SRL (-) SRR (-) HR (-) HL (-) VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

31 31 CAN L CAN H SIG CAK BF AIRBAG SQUIB BATTERY COMPT PREFUSE BOX FUSE 84 BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAK FA CAN L CIRCUIT 31 CONNECTOR COMPUTER DATA LINES SYSTEM DRIVER'S SIDE AIRBAG SQUIB ETR SQUIB FUSE 61 FUSE 83 GKB BF GKB FA GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GS BF GS HL HOT AT ALL TIMES HOT IN RUN OR START LEFT FRONT WSS SENSOR LEFT REAR WSS SENSOR LOAD COMPT FUSE, RELAY BOX FUSE 59 ORG/ WIRE PNK SK SS FA WIRE PNK SS BF WIRE PNK WIRE RED WIRE RED/BLK WIRE RESTRAINT SYSTEMS CONTROL MODULE RIGHT FRONT WSS SENSOR RIGHT REAR WSS SENSOR RIGHT SIDE AIRBAG SQUIB SB BF + SB FA SB HL SB HR GS HR SF FA SK SF BF VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WB L (+) WB R GS FA WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/YEL WIRE DRIVER BELT FORCE LIMITER DRIVER BUCKLE ETR SQUIB DRIVER NECK-PRO HEAD RESTRAINT SOLENOID EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED) ETR SQUIB FRONT PASSENGER BELT FORCE LIMITER FRONT PASSENGER BUCKLE ETR SQUIB FRONT PASSENGER NECK-PRO HEAD RESTRAINT SOLENOID GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE LEFT LEFT REAR DOOR PRESSURE SENSOR LEFT WINDOW AIRBAG SQUIB NCA WIRE PNK WIRE RIGHT RIGHT REAR DOOR PRESSURE SENSOR RIGHT WINDOW AIRBAG SQUIB VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE

1 2 3 4 5 6 7 8 9 10 11 12 AUX L SHIELD 1 2 3 4 5 6 7 8 HR+ VR+ VL+ HL+ HR- VR- VL- HL- 1 2 MOST OUT MOST IN 14 13 15 10 GND NF L NF R ANTENNA 30 WAKE UP ANT AUX R + BACKUP CAMERA CIRCUIT SOUND SYSTEMS BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN-B L MUTE CAN-B H 31 ANTENNA CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR 1 COMAND OPERATING, DISPLAY, CONTROL MODULE COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT (IN LEFT REAR FOOTWELL) FM REAR WINDOW ANTENNA AMPLIFIER (LEFT SIDE OF TAILGATE) FUSE 25 GPS GPS ANTENNA SPLITTER (LEFT REAR FOOTWELL) GRN WIRE GRN/BLK WIRE GRY/BLK WIRE HOT AT ALL TIMES INTERFERENCE FILTER 1 (TOP CENTER OF TAILGATE) LEFT FRONT DOOR SPEAKER LEFT FRONT DOOR TWEETER LEFT REAR DOOR SPEAKER LEFT REAR DOOR TWEETER LEFT REAR FOOTWELL NCA WIRE ORG/ WIRE PNK WIRE REAR AUDIO CONTROL UNIT (IF EQUIPPED) REAR SAM CONTROL MODULE (RIGHT REAR OF CARGO AREA) RED WIRE RED/BLK WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT DOOR TWEETER RIGHT REAR DOOR SPEAKER RIGHT REAR DOOR TWEETER ROOF ANTENNA MODULE (CENTER REAR OF ROOF) SIG SOUND SYSTEMS VIO WIRE VIO/BLK WIRE W/ REAR ENTERTAINMENT W/O SOUND SYSTEM WALKMAN SEPARATION POINT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE