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

1 2 3 4 CAN B L CAN-B H SIG 10 11 BEL 31 12 13 30 AUF 26 16 CAN-B-L CAN-B-H ATA (EDW) HOOD SWITCH (RIGHT FRONT OF ENGINE COMPT) BLU WIRE BRN WIRE BRN/RED WIRE CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM DOOR CONTACT ON, OFF SWITCH FUSE 40 RELAY BOX (RIGHT REAR OF CARGO AREA) GRN/BLK WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES LEFT REAR END DOOR CLOSING OBSTRUCTION SENSOR STRIP (IN LEFT "D" PILLAR) LOAD COMPARTMENT FUSE, MHK NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL MODULE REAR DOOR HYDRAULIC PUMP REAR END DOOR CLOSING CONTROL MODULE (LEFT REAR OF CARGO AREA) REAR END DOOR CLOSING WARNING BUZZER (LEFT SIDE OF TAILGATE) REAR END DOOR OPENING ANGLE RECOGNITION SENSOR REAR SAM CONTROL MODULE (RIGHT REAR OF CARGO AREA) RED WIRE RED/BLU WIRE RIGHT REAR END DOOR CLOSING OBSTRUCTION SENSOR STRIP (IN RIGHT "D" PILLAR) RWT RWTS BUTTON SIG WHT/BLU WIRE

1 6 5 30 CAN-C L CAN-C H 3.0L TURBO 3.5L 45 41 54 61 CAN-C H CAN-C L 51 52 CAN-C H CAN-C L AUXILIARY BATTERY BATTERY BATTERY COMPARTMENT PREFUSE FUSE 86 BOX (UNDER RIGHT REAR FOOTWELL) BLK WIRE BRN WIRE CAN C H CAN C L CDI CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) COCKPIT FUSE BOX FUSE 14 (BEHIND RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM EIS (EZS) CONTROL UNIT FRONT PREFUSE (RIGHT REAR OF ENGINE COMPT) GENERATOR GLOW TIME OUTPUT STAGE GRN WIRE GRN/WHT WIRE GRY/BLK WIRE INSTRUMENT CLUSTER LIN ME-SFI CONTROL MODULE MULTIFUNCTION DISPLAY RED WIRE RED/BLK WIRE RED/WHT WIRE WHT/BLU WIRE

1 6 3 4 5 2 (NOT USED) PNK WIRE ANT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE CENTER COCKPIT SPEAKER (CENTERFILL) CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COMAND OPERATING DISPLAY, CONTROL MODULE (W/O SOUND SYSTEM) COMPUTER DATA LINES SYSTEM CTEL ANTENNA DISTRIBUTOR CONNECTOR EMERGENCY CALL SYSTEM CONTROL UNIT (IN LEFT REAR FOOTWELL) FRONT SAM CONTROL MODULE (UNDER FRONT PASSENGER'S SEAT) FUSE FUSE 60 (RIGHT REAR OF CARGO AREA) GPS ANTENNA SPLITTER (IN LEFT REAR FOOTWELL) GRN WIRE GRY WIRE GRY/WHT WIRE HANDS-FREE SYSTEM MICROPHONE GROUP HOT AT ALL TIMES HOT W/ CIRCUIT LEFT REAR FOOTWELL LOAD COMPARTMENT FUSE, RELAY BOX LSP + CAN-D H CAN-D L MB-INFO, TELEDIAGNOSIS BUTTON GROUP MIC 1 MIC GND LSP - MUTE NCA WIRE ORG/ WIRE PNK EC LED TDC LED IC LED ECS ICS ICS CRASH WIRE PNK WIRE RED WIRE SOS PUSHBUTTON SWITCH TELE AID SPARE ANTENNA (LEFT SIDE OF CARGO AREA) UNIVERSAL PORTABLE CTEL INTERFACE (UPCI (UHI)) CONTROL MODULE (UNDER RIGHT SEAT VIO WIRE W/ SOUND SYSTEM W/O SOUND SYSTEM W/ UPCI (UHI) (UNIVERSAL PORTABLE CTEL INTERFACE) W/O UPCI (UHI) (UNIVERSAL PORTABLE CTEL INTERFACE) WAKE UP SIGNAL WHT WIRE WHT/BLU WIRE YEL WIRE

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

#1 #2 #3 #4 #5 #6 11 10 CAN-C L CAN-C H 31 H (+) H (-) H (+) BLU/BLK WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA CAN-B H 30 LINES SYSTEM COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (UNDER DRIVER'S FRONT SEAT) DRIVER SEAT W/ MEMORY ADJUSTMENT SWITCH GROUP GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOCH VOR CAN-B L RAISE/LOWER, FORWARD/ BACKWARD SWITCH RED WIRE STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN FORWARD/BACK MOTOR (ON STEERING COLUMN) STEERING COLUMN MODULE (TOP OF STEERING COLUMN) STEERING COLUMN RAISE/LOWER MOTOR (ON STEERING COLUMN) VIO WIRE WHT/BLU 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

15 30 KPR ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) ACTIVATED CHARCOAL FILTER SHUTOFF VALVE (IN RIGHT REAR WHEELWELL) AIR CONDITIONING SYSTEM AIR PUMP RELAY AKF+ BLK/BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM ENGINE CIRCUIT 87 RELAY FUEL PRESSURE SENSOR FUEL PUMP MODULE RELAY FUEL TANK PRESSURE SENSOR (IN FUEL TANK) FUSE 101 FUSE 104 FUSE 105 FUSE 107 FUSE 118 FUSE 120 FUSE 51 FUSE 57 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) HOT W/ CIRCUIT 15 RELAY ENERGIZED LOAD COMPARTMENT FUSE, RELAY BOX (RIGHT REAR OF CARGO AREA) LUES ME-SFI CONTROL MODULE (TOP CENTER OF ENGINE) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/WHT WIRE PURGE CONTROL VALVE (LEFT FRONT OF ENGINE COMPT) RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RESTRAINTS SYSTEM CONTROL MODULE (UNDER CENTER CONSOLE) SLP STARTING/CHARGING SYSTEM VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE

AIR PUMP (FRONT OF ENGINE) BLK/BRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRS CARGO AREA) COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR (REAR OF LEFT CYLINDER HEAD) DK_S- FUEL PUMP (IN RIGHT SIDE OF FUEL TANK) FUEL PUMP CONTROL MODULE FUSE 43 FUSE 53 GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/ORG WIRE GRY/WHT WIRE HAV HFM HOT AT ALL TIMES KP CAN-D H CAN-D L 15 (-) KS_M KS_S KWG LEFT KNOCK SENSOR 2 (TOP OF ENGINE, BETWEEN CYLINDER BANKS) LOAD COMPARTMENT FUSE, RELAY BOX (RIGHT REAR OF ME-SFI CONTROL UNIT (TOP CENTER OF ENGINE) NCA WIRE OSS + PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/WHT WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT KNOCK SENSOR 1 (TOP OF ENGINE, BETWEEN CYLINDER BANKS) SLV THS TMOT TNA VARIABLE INTAKE MANIFOLD SWITCHOVER VALVE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE YEL/GRY WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE DKL LSHK LSHK (+) DKP_M (+) LIN FUEL INJECTORS GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HFM IGNITION COILS (TOP OF RIGHT, LEFT CYLINDER BANKS) LEFT CAMSHAFT INTAKE SOLENOID (LEFT FRONT OF ENGINE) LHP ZUE 1 ZUE 3 ZUE 2 LSK ME SFI CONTROL UNIT (TOP CENTER NCA WIRE NWG_M NWSA 1 OF ENGINE) PNK/BLK WIRE PNK/BRN WIRE RADIO INTERFERENCE SUPPRESSION CAPACITOR 1 RADIO INTERFERENCE SUPRRESION CAPACITOR 2 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE SPARK PLUGS STARTING/CHARGING SYSTEM TUKS VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/WHT WIRE ZUE 4 ZUE 6 ZUE 5