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

1 6 5 30 CAN-C L CAN-C H 3.0L TURBO 3.5L 45 41 54 61 CAN-C H CAN-C L 51 52 CAN-C H CAN-C L AUXILIARY BATTERY BATTERY BATTERY COMPARTMENT PREFUSE FUSE 86 BOX (UNDER RIGHT REAR FOOTWELL) BLK WIRE BRN WIRE CAN C H CAN C L CDI CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) COCKPIT FUSE BOX FUSE 14 (BEHIND RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM EIS (EZS) CONTROL UNIT FRONT PREFUSE (RIGHT REAR OF ENGINE COMPT) GENERATOR GLOW TIME OUTPUT STAGE GRN WIRE GRN/WHT WIRE GRY/BLK WIRE INSTRUMENT CLUSTER LIN ME-SFI CONTROL MODULE MULTIFUNCTION DISPLAY RED WIRE RED/BLK WIRE RED/WHT WIRE WHT/BLU WIRE

AUX L + BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR 1 COMAND OPERATING, DISPLAY, CONTROL MODULE COMPUTER DATA LINES SYSTEM DVD PLAYER FUSE 23 (RIGHT REAR OF CARGO AREA) GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT REAR DISPLAY LEFT REAR FOOTWELL LOAD COMPARTMENT FUSE, RELAY BOX NCA WIRE ORG/ WIRE ORG/WHT WIRE RED WIRE RED/WHT WIRE RIGHT REAR DISPLAY SHIELD AUX R YEL WIRE

1 2 3 4 LHZ FAF 31 DIAG 1 2 GND NTC 10 11 CAN H CAN L 5 6 CAN-B L CAN-B H BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FANFARE HORNS, AIRBAG CLOCK SPRING CONTACT GRN WIRE GRN/WHT WIRE HEATER COIL HEATER COIL TEMP SENS HOT AT ALL TIMES COCKPIT FUSE BOX (BEHIND RIGHT END OF DASH) FUSE 13 HS (SIH), SEAT VENTILATION, STEERING WHEEL HEATER CONTROL UNIT MULTIFUNCTION STEERING WHEEL ELECTRONICS UNIT (INSIDE STEERING WHEEL) NCA WIRE RED WIRE RED/BLU WIRE STEERING COLUMN ADJUSTMENT/STEERING WHEEL HEATER SWITCH STEERING WHEEL HEATER STEERING WHEEL HEATER FUNCTION INDICATOR LAMP STEERING WHEEL HEATER SWITCH STEERING WHEEL HEATER/FANFARE HORNS ELECTRONICS VIO/BLK WIRE

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 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 (-) (+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PNK 30 31 31 WIRE 1 2 3 4 5 CAN-B H CAN-B L 31 30 30 AMBIENT LAMP AUTOMATIC DIMMING MIRROR BLK WIRE BLK/GRY WIRE BLU WIRE BLU/GRY WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DOOR CONTACT ON/OFF SWITCH EDW FL GND TA RE TA LI FUSE 41 (RIGHT REAR OF CARGO AREA) FUSE 42 GARAGE DOOR OPENER INDICATOR LAMP GARAGE DOOR OPENER TRANSMITTER UNIT GND LL L TA GND LL R TA (+) (-) GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLU WIRE H (+) H SIG 1 H SIG 2 H (-) HANDS-FREE SYSTEM MICROPHONE GROUP HOT AT ALL TIMES INTERIOR REARVIEW MIRROR UNIT L/D LEFT INTERIOR LAMP LEFT READING LAMP LEFT READING LAMP SWITCH LL L LL R 31 DATA DATA LL R LL L LOAD COMPARTMENT FUSE, RELAY BOX NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PNK 1 2 3 WIRE PNK/GRN WIRE POWER TOPS SYSTEM RAIN/LIGHT SENSOR (CENTER FRONT OF ROOF) REAR DOME LAMP, SWITCH RED WIRE RIGHT INTERIOR LAMP RIGHT READING LAMP RIGHT READING LAMP SWITCH ROOF SWITCH ROW INTERIOR LAMP SWITCH VIO WIRE VIO/GRY WIRE VIO/WHT WIRE YEL WIRE YEL/GRY 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

3 5 LD- LD+ 5 4 2 1 3 6 30 30 CAN-B L CAN-B H 31 31 BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FUSE FUSE RELAY BOX (RIGHT REAR OF CARGO AREA) GRN WIRE GRN/GRY WIRE GRN/WHT WIRE H SIG 2 H (-) H (+) H SIG 1 HOT AT ALL TIMES LOAD COMPARTMENT FUSE BOX, OVERHEAD CONTROL PANEL MODULE PANORAMIC SLIDING ROOF DRIVER UNIT 1 (IF EQUIPPED) (CENTER FRONT OF ROOF) PANORAMIC SLIDING ROOF DRIVER UNIT 2 (LEFT FRONT OF ROOF) RED WIRE ROLLER SUN BLIND DRIVE UNIT (PANORAMIC SLIDING ROOF) (RIGHT FRONT OF ROOF) ROOF SWITCH TILTING/SLIDING ROOF (SR (SHD)) DRIVER UNIT (FRONT CENTER OF ROOF) VIO WIRE VIO/GRY WIRE VIO/WHT WIRE YEL WIRE YEL/GRY WIRE YEL/WHT WIRE

1 2 COMPUTER CAN-C H CAN-C L DATA LINES SYSTEM 2 1 COMPUTER CAN-C H CAN-C L DATA LINES SYSTEM 41 54 CAN-C H CAN-C L 6 5 COMPUTER CAN-C L CAN-C H DATA LINES SYSTEM BATTERY BLK/BLU WIRE BRN WIRE CIRCUIT 15 RELAY COMPUTER DATA LINES SYSTEM EIS (EZS) CONTROL UNIT ELECTRIC CONTROL UNIT (VGS) ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) FRONT PREFUSE (RIGHT REAR OF ENGINE COMPT) FUSE GENERATOR GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INTELLIGENT SERVO MODULE (DIRECT SELECT) (LEFT REAR OF TRANSMISSION HOUSING) ME-SFI CONTROL MODULE PNK/BLK WIRE RED WIRE RED/WHT WIRE STARTER STARTER RELAY VIO/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