Mercedes-Benz R-class W251 facelift (2007-2010) (left front footwell) 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 #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

BATTERY BATTERY COMPARTMENT PREFUSE BOX, PTC HEATER BOOSTER (IF EQUIPPED) BLK WIRE BRN WIRE CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR 1, 3 ELECTRIC CONTROL UNIT (VGS), GROUND CONNECTOR SLEEVE ELECTRIC SUCTION FAN ENGINE AND AC W/ INTEGRATED CONTROL ESP CONTROL MODULE GLOW TIME OUTPUT STAGE, AIR PUMP HEATED REAR WINDOW, LEFT ANTENNA COIL 1, LEFT ANTENNA COIL 2 INTERFERENCE FILTER 1 LEFT REAR FOOTWELL NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE W/ INTERIOR LIGHT PACKAGE

4 1 2 5 30 CAN-B H CAN-B L 31 BLK WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 26 FUSE, RELAY BOX (RIGHT REAR OF CARGO AREA) FUSE 34 HEATED MIRROR HOT AT ALL TIMES LEFT ELECTRICALLY ADJUSTABLE, HEATED EXTERIOR MIRROR LEFT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) NCA WIRE RED WIRE RIGHT ELECTRICALLY ADJUSTABLE, HEATED EXTERIOR MIRROR RIGHT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) SH SH-

26 6 CAN-B L CAN-B H 27 33 40 TG+R TG- TG+L 35 36 31 CAN-B L CAN-B H ABS MIL INDICATOR AIR BAG INDICATOR, WARNING LAMP AUDIBLE TURN SIGNAL INDICATOR BLK WIRE BLK/BLU WIRE BLU/BLK WIRE BRAKE FLUID, PARKING BRAKE WARNING LAMP INDICATOR BRIGHT INSTRUMENT, SEARCH ILLUMINATION PUSHBUTTON BRIGHTNESS SENSOR BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B L CAN B H CAN C L CAN C H CAN-B L 31 CAN-B H CARGO AREA) CHECK ENGINE MIL INDICATOR CIRCUIT 31 LEFT FOOTWELL VOLTAGE DISTRIBUTOR CONNECTOR 1 CLUSTER COMPUTER DATA LINES SYSTEM DARK INSTRUMENT, SEARCH ILLUMINATION PUSHBUTTON ELECTRONIC CLOCK ELECTRONIC COMPASS (BEHIND INSTRUMENT ELECTRONIC SPEEDOMETER ESP WARNING LAMP INDICATOR FRONT SAM CONTROL UNIT (UNDER PASSENGER'S SEAT) FUEL LEVEL, RESERVE GAUGE FUEL RESERVE INDICATOR LAMP FUSE FUSE 55 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES HOT AT ALL TIMES COCKPIT FUSE BOX (BEHIND RIGHT END OF DASH) FUSE HOT IN ON OR START INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION LEFT FUEL LEVEL SENSOR (IN LEFT SIDE OF FUEL TANK) LEFT TURN SIGNAL INDICATOR LOAD COMPARTMENT FUSE, RELAY BOX (RIGHT REAR OF LOW BEAM INDICATOR LAMP MALFUNCTION DISPLAY INDICATOR NCA WIRE PARKING BRAKE INDICATOR SWITCH (TOP OF PARKING BAKE ASSEMBLY) PREGLOW INDICATOR LAMP REAR SAM CONTROL UNIT (RIGHT REAR CARGO AREA) RED/BLK WIRE RED/WHT WIRE RIGHT FUEL LEVEL SENSOR (IN RIGHT SIDE OF FUEL TANK) RIGHT TURN SIGNAL INDICATOR SEAT BELT REMINDER LAMP TACHOMETER TIRE PRESSURE MONITOR WARNING LAMP INDICATOR (IF EQUIPPED) TRIP ODOMETER RESET BUTTON WARNING BUZZER

1 3 2 PNK WIRE 12 13 14 15 16 17 33 34 35 36 37 38 31 (-) SV DATA 4 3 CAN B L CAN B H BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H CENTER LEFT FRONT PTS ULTRASONIC SENSOR (LEFT SIDE OF FRONT BUMPER) CENTER RIGHT FRONT PTS ULTRASONIC SENSOR (RIGHT SIDE OF FRONT BUMPER) CIRCUIT 31 LEFT FOOTWELL VOLTAGE DISTRIBUTOR CONNECTOR 1 COMPUTER DATA LINES SYSTEM DATA INNER LEFT FRONT PTS ULTRASONIC SENSOR (LEFT CENTER OF FRONT BUMPER) INNER LEFT REAR PTS ULTRASONIC SENSOR (LEFT SIDE OF REAR BUMPER) INNER RIGHT FRONT PTS ULTRASONIC SENSOR (RIGHT CENTER OF FRONT BUMPER) INNER RIGHT REAR PTS ULTRASONIC SENSOR (RIGHT SIDE OF REAR BUMPER) INSTRUMENT PANEL DRIVER SIDE PTS WARNING DISPLAY NCA WIRE ORG/ WIRE OUTER LEFT FRONT PTS ULTRASONIC SENSOR (LEFT CORNER OF FRONT BUMPER) OUTER LEFT REAR PTS ULTRASONIC SENSOR (LEFT CORNER OF REAR BUMPER) OUTER RIGHT FRONT PTS ULTRASONIC SENSOR (RIGHT CORNER OF FRONT BUMPER) OUTER RIGHT REAR PTS ULTRASONIC SENSOR (RIGHT CORNER OF REAR BUMPER) PNK WIRE PNK/WHT WIRE PTS CONTROL MODULE (UNDER DRIVER'S SEAT) PTS OFF SWITCH REAR DOME LAMP PTS WARNING DISPLAY RED WIRE RED/WHT WIRE UPPER CONTROL PANEL CONTROL MODULE VIO/WHT WIRE YEL WIRE YEL/BLU WIRE YEL/WHT WIRE

1 2 5 4 CAN-B L CAN-B H 31 30 2 1 5 4 CAN-B L CAN-B H 31 30 8 7 6 GND GND AUTOMATIC DIMMING MIRROR BLK WIRE BRN WIRE BRN/RED WIRE CLOSE VENT WINDOW SWITCH COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EXTERIOR INTERIOR LIGHTS LIGHTS SYSTEM SYSTEM EXTERIOR MIRROR FOLD IN/ FOLD OUT SWITCH FUSE 26 FUSE 34 HOT AT ALL TIMES INTERIOR DEFOGGER LIGHTS SYSTEM SYSTEM LEFT ELECTRICALLY ADJUSTABLE, HEATED EXTERIOR MIRROR LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT POWER WINDOW SWITCH LEFT LEFT EXTERIOR OUTSIDE MIRROR MIRROR TURN AMBIENT SIGNAL LAMP LAMP LEFT OUTSIDE MIRROR ADJUSTMENT SELECTION SWITCH LEFT REAR POWER WINDOW SWITCH LOAD COMPARTMENT FUSE, RELAY BOX (RIGH REAR OF CARGO AREA) MIRROR IN/OUT MOTOR MIRROR MIRROR HEATER FOLD IN MOTOR MIRROR UP/DOWN MOTOR NCA WIRE OPEN VENT WINDOW SWITCH OUTSIDE MIRROR ADJUSTMENT ROCKER SWITCH REAR SIDE WINDOWS CHILD SAFETY LOCK SWITCH RED WIRE RIGHT ELECTRICALLY ADJUSTABLE, HEATED EXTERIOR MIRROR RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT POWER WINDOW SWITCH RIGHT MIRROR EXTERIOR FOLD IN MIRROR MOTOR TURN SIGNAL LAMP RIGHT MIRROR OUTSIDE HEATER MIRROR AMBIENT LAMP RIGHT OUTSIDE MIRROR ADJUSTMENT SELECTION SWITCH RIGHT REAR POWER WINDOW SWITCH

1 2 4 5 CAN-B H CAN-B L 30 31 17 18 CAN-B H CAN-B L 4 3 CAN-B H CAN-B L BLU/BLK WIRE BRN WIRE BRN/RED WIRE CLOSE VENT WINDOW SWITCH COMFORT ACC PUSHBUTTON CONTROL MODULE (IF EQUIPPED) ACC PUSHBUTTON COMPUTER DATA LINES SYSTEM CONTROL MODULE DRIVER POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EIS (EZS) CONTROL UNIT FRONT PASSENGER POWER WINDOW SWITCH FUSE 26 FUSE 34 HOT AT ALL TIMES LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT POWER WINDOW MOTOR (CENTER OF LEFT FRONT DOOR) LEFT FRONT POWER WINDOW SWITCH LEFT REAR POWER WINDOW SWITCH LOAD COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF CARGO AREA) NCA WIRE OPEN VENT WINDOW SWITCH ORG/ WIRE PNK WIRE REAR SIDE WINDOWS CHILD SAFETY LOCK SWITCH RED WIRE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT POWER WINDOW MOTOR (CENTER OF RIGHT FRONT DOOR) RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR POWER WINDOW SWITCH WHT 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

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