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

BLK WIRE BLK/WHT WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE DRIVER BACKREST ANGLE ADJUSTMENT MOTOR (IN DRIVER'S FRONT SEAT BACK) DRIVER FRONT SEAT HEIGHT ADJUSTMENT MOTOR DRIVER REAR SEAT HEIGHT ADJUSTMENT MOTOR (UNDER DRIVER'S FRONT SEAT) DRIVER SEAT ADJUSTMENT COMFORT RELAY (UNDER DRIVER'S SEAT) DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR DRIVER' SEAT ADJUSTMENT SWITCH FRONT PASSENGER SEAT ADJUSTMENT COMFORT RELAY FRONT PASSENGER SEAT ADJUSTMENT SWITCH FUSE 27 FUSE 28 GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES LOAD COMPARTMENT FUSE, RELAY BOX (RIGHT REAR OF CARGO AREA) REAR SAM CONTROL MODULE (RIGHT REAR OF CARGO AREA) RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE VOR ZUR HOCH TIEF VOR ZUR HOCH TIEF WHT 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

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

#1 #2 #3 #4 #5 #6 1 2 3 4 31 30 CAN-B L CAN-B H 1 2 3 4 5 6 7 8 9 10 11 12 13 14 H (+) H (+) H (+) H (-) H (-) H (-) 1 2 3 4 5 6 7 8 9 10 11 12 PNK WIRE 2 3 4 5 6 PNK H (+) VOR H (+) HOCH WIRE 31 H (+) H (-) H (+) BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN-B H 30 CAN-B L 31 CAN-B H 30 DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (UNDER DRIVER'S FRONT SEAT) DRIVER FRONT SEAT HEIGHT ADJUSTMENT MOTOR (UNDER DRIVER'S FRONT SEAT) DRIVER REAR SEAT HEIGHT ADJUSTMENT MOTOR (UNDER DRIVER'S FRONT SEAT) DRIVER SEAT EXTERNAL POWER FEED SEPARATION POINT DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR (UNDER DRIVER'S FRONT SEAT) DRIVER SEAT W/ MEMORY ADJUSTMENT SWITCH GROUP GRN WIRE GRN/BLU WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE H (-) HOCH VOR CAN-B L LEFT FRONT DYNAMIC SEAT CONTROL MODULE LEFT FRONT DYNAMIC SWITCH LEFT FRONT LUMBAR SUPPORT ADJUSTMENT SWITCH LEFT FRONT MULTICONTOUR BACKREST SWITCH GROUP LEFT FRONT PULSE SWITCH LEFT FRONT SEAT CUSHION FORE/ AFT ADJUSTMENT SWITCH LEFT FRONT SIDE BOLSTERS ADJUSTMENT SWITCH ORG/ WIRE PNK WIRE RED WIRE STEERING COLUMN MEMORY CIRCUIT TIEF HOCH TIEF VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT/BLU WIRE YEL/BLK WIRE ZUR VOR HOCH

35 36 CAN-B L CAN-B H BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN C L CAN C H COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) FANFARE HORN RELAY FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT (INSIDE STEERING WHEEL HUB) FUSE 113 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT FANFARE HORN (BEHIND CENTER OF FRONT BUMPER) NCA WIRE RIGHT FANFARE HORN (BEHIND CENTER OF FRONT BUMPER) STEERING COLUMN MODULE (TOP OF STEERING COLUMN) STEERING WHEEL HEATER/FANFARE HORNS ELECTRONICS (IF EQUIPPED) VIO/BLK WIRE W/ CUSTOMER OPTION W/O CUSTOMER OPTION WHT WIRE

1 2 3 4 5 6 CA 1 2 3 4 5 6 CB 3.5L 30 31 CAN B L CAN B H CAN C H CAN C L AIR PUMP RELAY AIR SUSPENSION COMPRESSOR RELAY AUXILIARY BATTERY BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CDI CONTROL MODULE CIRCUIT 15 RELAY COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP RELAY (NOT USED) DC/AC CONVERTER CONTROL UNIT EIS (EZS) CONTROL MODULE ELECTRIC DTR CONTROL CONTROL UNIT UNIT (VGS) ELECTRIC SUCTION FAN ENGINE, A/C W/ INTEGRATED CONTROL ESP CONTROL MODULE ENGINE CIRCUIT ESP CONTROL INTELLIGENT SERVO MODULE MODULE FOR DIRECT SELECT ESP CONTROL MODULE FANFARE HORN RELAY FROM BATTERY (DIAGRAM 1 OF 3) FROM BATTERY COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 3) FROM COCKPIT PREFUSE BOX (DIAGRAM 1 OF 3) FROM LOAD COMPARTMENT FUSE, RELAY BOX (DIAGRAM 1 OF 3) FROM LOAD COMPARTMENT FUSE, RELAY BOX (DIAGRAM 2 OF 3) FRONT PREFUSE (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL UNIT FUSE FUSE 109 FUSE 111 FUSE 110 FUSE 112 FUSE 113 W/ CUSTOMER OPTION FUSE 114 FUSE 115 FUSE 116 FUSE 117 FUSE 118 FUSE 120 FUSE 121 FUSE 123 GENERATOR GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/BLK WIRE ISM LEFT FRONT HEADLAMP UNIT ME-SFI (ME) CONTROL MODULE ORG/BLK WIRE ORG/BLU WIRE PNK WIRE RED WIRE RED/WHT WIRE RELAY RESERVE FUSE RESERVE FUSE 124 RESERVE FUSE 125 RIGHT FRONT HEADLAMP UNIT STARTER RELAY TK 31 30 TO FUSE 114 DIAGRAM (3 OF 3) TO FUSE 121 DIAGRAM (3 OF 3) W/O CUSTOMER OPTION WIPER LEVEL 1/2 RELAY WIPER ON/OFF RELAY YEL WIRE

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

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 31 30 HL HR CAN B L CAN B H 1 2 3 4 5 6 7 8 9 10 31 31 SIG SIG 30 3 1 SIR SIL 31 31 PNK WIRE 36 35 CAN-B H CAN-B L BACKREST HEATED CUSHION BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CIRCUIT 31 LEFT FOOTWELL VOLTAGE DISTRIBUTOR CONNECTOR 1 CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR 3 CIRCUIT 31 RIGHT FOOTWELL VOLTAGE DISTRIBUTOR CONNECTOR COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) FUSE 31 FUSE, RELAY BOX (RIGHT REAR OF CARGO AREA) FUSE 68 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT FRONT HS SWITCH LEFT FRONT SEAT BACKREST VENTILATION MOTOR GROUP (IN LEFT FRONT SEAT BACK) LEFT FRONT SEAT CUSHION VENTILATION MOTOR GROUP (IN LEFT FRONT SEAT CUSHION) LEFT FRONT SEAT HEATED CUSHION LEFT FRONT SEAT VENTILATION BLOWER REGULATOR LEFT FRONT SEAT VENTILATION SWITCH RIGHT FRONT HS SWITCH LEFT REAR FOOTWELL LHZ- NCA WIRE PNK WIRE RED WIRE RIGHT FRONT BACKREST HEATED CUSHION RIGHT FRONT SEAT BACKREST VENTILATION MOTOR GROUP (IN RIGHT FRONT SEAT BACK) RIGHT FRONT SEAT CUSHION VENTILATION MOTOR GROUP (IN RIGHT FRONT SEAT CUSHION) RIGHT FRONT SEAT HEATED CUSHION RIGHT FRONT SEAT VENTILATION BLOWER REGULATOR (IN RIGHT FRONT SEAT BACK) RIGHT FRONT SEAT VENTILATION SWITCH SEAT HEATED CUSHION STEERING COLUMN MODULE (IF EQUIPPED) (TOP OF STEERING COLUMN) UPPER CONTROL PANEL CONTROL MODULE VIO WIRE VIO/BLK WIRE