Mercedes-Benz R-class W251 facelift (2007-2010) (right 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 7 8 9 10 SIL FL(+) SIR 49 RE 49 LI AIR CONDITIONING SYSTEM AUXILIARY BATTERY BATTERY COMPARTMENT PREFUSE BOX (UNDER RIGHT REAR FOOTWELL) BBV HR BBV VR BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM WIPER/WASHER SYSTEM ELECTRONIC SUSPENSION SYSTEM FRONT SAM CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) FUSE 88 FUSE 89 FUSE 90 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM WIPER/WASHER SYSTEM AIR CONDITIONING SYSTEM INTERIOR LIGHTS SYSTEM, POWER WINDOWS SYSTEM ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM RED WIRE RED/BLK WIRE RED/WHT WIRE SEATS SYSTEM INTERIOR LIGHTS SYSTEM SEATS SYSTEM SRA STARTING/CHARGING SYSTEM POWER WINDOWS SYSTEM WIPER/WASHER SYSTEM VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE

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-

#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 (-) 2 3 4 5 6 PNK H (+) VOR H (+) HOCH WIRE 31 CAN-B L CAN-B H 30 BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B L CAN-B H 30 COMPUTER DATA LINES SYSTEM FRONT PASSENGER REAR SEAT HEIGHT ADJUSTMENT MOTOR (UNDER PASSENGER'S FRONT SEAT) FRONT PASSENGER SEAT FORE/AFT ADJUSTMENT MOTOR (UNDER PASSENGER'S FRONT SEAT) FRONT PASSENGER SEAT W/ MEMORY ADJUSTMENT SWITCH GROUP GRN/BLU WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE H (-) ORG/ WIRE PNK WIRE RED WIRE RED/WHT WIRE RIGHT FRONT DYNAMIC SEAT CONTROL MODULE RIGHT FRONT DYNAMIC SWITCH RIGHT FRONT LUMBAR SUPPORT ADJUSTMENT SWITCH RIGHT FRONT MULTICONTOUR BACKREST SWITCH GROUP RIGHT FRONT PULSE SWITCH RIGHT FRONT SEAT CUSHION FORE/ AFT ADJUSTMENT SWITCH RIGHT FRONT SIDE BOLSTERS ADJUSTMENT SWITCH TIEF HOCH TIEF VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE ZUR VOR HOCH

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

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

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 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