Mercedes-Benz R-class W251 facelift (2007-2010) (in right rear footwell) 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

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 4 31 30 WAKE UP 1 2 MOST 1 MOST IN MOST OUT ANT BRN WIRE CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR 2 MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE RED/BLK WIRE ROOF ANTENNA MODULE (CENTER REAR OF ROOF) SDAR CONTROL UNIT (IN RIGHT REAR FOOTWELL)

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

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