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

16 26 CAN-B H CAN-B L BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN-B H CAN-B L CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) FUSE 88 GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT REAR FOOTWELL LEFT REAR POWER WINDOW MOTOR (CENTER OF LEFT REAR DOOR) LEFT REAR POWER WINDOW SWITCH LEFT VENT WINDOW MOTOR (IN LEFT "D" PILLAR) LEFT VENT WINDOW OBSTRUCTION SENSOR STRIP (IN LEFT VENT WINDOW FRAME) NCA WIRE PNK WIRE REAR SAM CONTROL MODULE (RIGHT REAR OF CARGO AREA) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT REAR POWER WINDOW MOTOR (CENTER OF RIGHT REAR DOOR) RIGHT REAR POWER WINDOW SWITCH RIGHT VENT WINDOW MOTOR (IN RIGHT "D" PILLAR) RIGHT VENT WINDOW OBSTRUCTION SENSOR STRIP (IN RIGHT VENT WINDOW FRAME) VIO/BLK WIRE VIO/WHT WIRE VOLTAGE DISTRIBUTOR CONNECTOR WHT WIRE

ANTENNA 30 BRN WIRE CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR 1 COMAND OPERATING, DISPLAY, CONTROL MODULE GRY/BLK WIRE INTERFERENCE FILTER 1 (TOP CENTER OF TAILGATE) LEFT REAR FOOTWELL NCA WIRE NF-L GND NF-R RCP (HBF) CONTROL MODULE REAR AUDIO CONTROL UNIT RED WIRE WHT WIRE

12 13 CAN-C L CAN-C H 13 14 31 BBV HR BBV VR 17 18 1 25 16 CAN-C L CAN-C H 30 SK 31 26 16 CAN-B-L CAN-B-H 27 33 40 TG+R TG- TG+L AIR BAG INDICATOR BATTERY COMPARTMENT BLK WIRE BLU/BLK WIRE BRAKE FLUID INDICATOR SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE FLUID, PARKING BRAKE WARNING LAMP BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B L CAN B H CIRCUIT 31 LEFT FOOT WELL VOLTAGE DISTRIBUTOR CONNECTOR CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE, SEAT BELT WARNING SWITCH (IN DRIVER'S SEAT BELT BUCKLE) FRONT SAM CONTROL UNIT (UNDER RIGHT FRONT SEAT) FUEL RESERVE INDICATOR LAMP FUSE 79 FUSE 84 FUSE 89 PREFUSE BOX (UNDER RIGHT FRONT SEAT) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES COCKPIT PREFUSE BOX (BEHIND RIGHT END OF DASH) FUSE 11 INSTRUMENT CLUSTER LEFT FUEL LEVEL SENSOR (IN LEFT SIDE OF FUEL TANK) NCA WIRE PARKING BRAKE INDICATOR SWITCH REAR SAM CONTROL MODULE (RIGHT REAR OF CARGO AREA) RED WIRE RED/BLK WIRE RED/WHT WIRE RESTRAINTS SYSTEM CONTROL MODULE (UNDER CENTER CONSOLE) RIGHT FRONT BRAKE PAD CONTACT SENSOR (ON RIGHT FRONT BRAKE ASSEMBLY) RIGHT FUEL LEVEL SENSOR (IN RIGHT SIDE OF FUEL TANK) RIGHT REAR BRAKE PAD CONTACT SENSOR (ON RIGHT REAR BRAKE ASSEMBLY) SEAT BELT REMINDER LAMP VIO WIRE WARNING BUZZER WARNING LAMP WHT 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

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

BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH DRIVER'S SIDE FRONTAL ACCELERATION SENSOR FRONT PASSENGER AIRBAG SQUIB 1 FRONT PASSENGER AIRBAG SQUIB 2 GRY WIRE LEFT SIDE AIRBAG SENSOR PASSENGER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH PASSENGER'S SIDE FRONTAL ACCELERATION SENSOR PNK WIRE RESTRAINT SYSTEMS CONTROL MODULE RIGHT SIDE AIRBAG SENSOR STEERING COLUMN MODULE WHT 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

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

17 18 CAN B L CAN B H AIR PUMP SWITCHOVER VALVE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CHECK ENGINE (MIL) IND COMPUTER DATA LINES SYSTEM DOWNSTREAM TWC (KAT) GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/VIO WIRE GRY/WHT WIRE HEATING SYSTEM SHUTOFF VALVE INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE SENSOR LEFT EXHAUST CAMSHAFT HALL SENSOR (FRONT OF LEFT CYLINDER BANK) LEFT INTAKE CAMSHAFT HALL SENSOR (FRONT OF LEFT CYLINDER BANK) LEFT INTAKE MANIFOLD TUMBLE FLAP POSITION SENSOR (LEFT REAR OF INTAKE MANIFOLD) NCA WIRE OIL LEVEL SWITCH (IN LEFT SIDE ENGINE OIL PAN) PNK/BLK WIRE PNK/BLU WIRE PNK/BRN WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/WHT WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE THROTTLE VALVE ACTUATOR (REAR OF INTAKE MANIFOLD) UPSTREAM TWC (KAT) VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE YEL/GRY WIRE YEL/WHT WIRE