Mercedes-Benz R-class W251 facelift (2007-2010) fuse Wiring diagrams

54 41 7 24 15 12 40 11 24 41 67 72 CAN-CL CAN-CH ACCEL SET/ ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK/BLU WIRE BLU/BRN WIRE BRN WIRE CAN C H CAN C L CAN-SH CAN-SL 31 CDI CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) COMPUTER DATA LINES SYSTEM CONTROL CONTACT CRUISE CONTROL SWITCH DECEL/ SET DTR CONTROL UNIT (BEHIND CENTER FRONT BUMPER) DTR DISTANCE POTENTIOMETER (IF EQUIPPED) ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES COCKPIT FUSE 13 FUSE BOX (BEHIND RIGHT END OF DASH) HOT IN ON OR START MEMORY RECALL OFF RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE SIG MOT(-) (-) (+) MOT(+) STEERING COLUMN MODULE (TOP OF STEERING COLUMN) THROTTLE VALVE ACTUATOR (RIGHT FRONT OF ENGINE) VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

BA MV 30 BAS BRAKE BOOSTER BLK WIRE BLK/BLU WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CAN C H CAN H L CAN-C L 31 (+) COMPUTER DATA LINES SYSTEM DFHR_S (+) DFVL_S DFVR_S 54 DFHL_S DIAPHRAGM TRAVEL SENSOR DRS(-) DRS S ENGINE COMPARTMENT FUSE , RELAY BOX FRONT AXLE INLET SOLENOID VALVE FRONT AXLE SWITCHOVER SOLENOID VALVE FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HIGH PRESSURE, RETURN PUMP HOT AT ALL TIMES HOT AT ALL TIMES FRONT PREFUSE FUSE 6 (RIGHT REAR OF ENGINE COMPT) HOT IN ON OR START LATE PRODUCTION EARLY PRODUCTION LEFT FRONT AXLE SOLENOID VALVE (HOLD) LEFT FRONT AXLE SOLENOID VALVE (RELEASE) LEFT REAR AXLE LEFT REAR AXLE SOLENOID VALVE (RELEASE) LSA CAN-H H MICROMECHANICAL TURN RATE SENSOR (ON FLOOR, UNDER RIGHT FRONT SEAT) PML PNK/WHT WIRE REAR AXLE SWITCHOVER SOLENOID VALVE RED WIRE RED/BLK WIRE RED/WHT WIRE RELEASE SWITCH RIGHT FRONT AXLE SOLENOID VALVE (RELEASE) RIGHT REAR AXLE SOLENOID VALVE (RELEASE) SIG 15 SOLENOID VALVE SOLENOID VALVE (HOLD) SOLENOID VALVE (HOLD) RIGHT FRONT AXLE SOLENOID VALVE REAR AXLE INLET SPS SOLENOID VALVE (IF EQUIPPED) (IN LEFT FRONT WHEELWELL) TRACTION SYSTEM HYDRAULIC UNIT VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/WHT WIRE

16 26 CAN-B H CAN-B L 2 1 CAN-C L CAN-C H 8 3 RF RE RF LI BACKUP CAMERA VOLTAGE SUPPLY MODULE BATTERY COMPARTMENT PREFUSE BOX (UNDER RIGHT FRONT SEAT) BRN WIRE BRN/RED WIRE CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COMPUTER DATA LINES SYSTEM ELECTRIC CONTROL UNIT (VGS) FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT BACKUP LAMP LEFT TAILLAMP REAR SAM CONTROL MODULE (RIGHT REAR OF CARGO AREA) RED WIRE RIGHT BACKUP LAMP RIGHT TAILLAMP WHT WIRE WHT/BLK WIRE

1 6 3 4 5 2 (NOT USED) PNK WIRE ANT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE CENTER COCKPIT SPEAKER (CENTERFILL) CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COMAND OPERATING DISPLAY, CONTROL MODULE (W/O SOUND SYSTEM) COMPUTER DATA LINES SYSTEM CTEL ANTENNA DISTRIBUTOR CONNECTOR EMERGENCY CALL SYSTEM CONTROL UNIT (IN LEFT REAR FOOTWELL) FRONT SAM CONTROL MODULE (UNDER FRONT PASSENGER'S SEAT) FUSE FUSE 60 (RIGHT REAR OF CARGO AREA) GPS ANTENNA SPLITTER (IN LEFT REAR FOOTWELL) GRN WIRE GRY WIRE GRY/WHT WIRE HANDS-FREE SYSTEM MICROPHONE GROUP HOT AT ALL TIMES HOT W/ CIRCUIT LEFT REAR FOOTWELL LOAD COMPARTMENT FUSE, RELAY BOX LSP + CAN-D H CAN-D L MB-INFO, TELEDIAGNOSIS BUTTON GROUP MIC 1 MIC GND LSP - MUTE NCA WIRE ORG/ WIRE PNK EC LED TDC LED IC LED ECS ICS ICS CRASH WIRE PNK WIRE RED WIRE SOS PUSHBUTTON SWITCH TELE AID SPARE ANTENNA (LEFT SIDE OF CARGO AREA) UNIVERSAL PORTABLE CTEL INTERFACE (UPCI (UHI)) CONTROL MODULE (UNDER RIGHT SEAT VIO WIRE W/ SOUND SYSTEM W/O SOUND SYSTEM W/ UPCI (UHI) (UNIVERSAL PORTABLE CTEL INTERFACE) W/O UPCI (UHI) (UNIVERSAL PORTABLE CTEL INTERFACE) WAKE UP SIGNAL WHT WIRE WHT/BLU WIRE YEL WIRE

11 10 CAN-C L CAN-C H 36 35 CAN-B H CAN-B L BATTERY BLK/BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) FRONT SAM CONTROL UNIT (UNDER RIGHT FRONT SEAT) FUSE FUSE COMPARTMENT PREFUSE BOX (UNDER RIGHT FRONT SEAT) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED LEFT DYNAMIC CORNERING LAMP MOTOR LEFT FRONT HEADLAMP UNIT LEFT FRONT SIDE MARKER LAMP LEFT RIGHT TURN LEFT STANDING, PARKING LAMP LEFT TURN SIGNAL LAMP PNK/BLK WIRE PNK/WHT WIRE RED WIRE RIGHT DYNAMIC CORNERING LAMP MOTOR RIGHT FRONT HEADLAMP UNIT RIGHT FRONT SIDE MARKER LAMP RIGHT STANDING, PARKING LAMP RIGHT STOP LAMP, TAILLAMP, PARKING LAMP, SIDE MARKER LAMP RIGHT TAILLAMP RIGHT TRUNK LAMP RIGHT TURN SIGNAL LAMP SIGNAL, SWITCH STEERING COLUMN MODULE (TOP OF STEERING COLUMN) VIO/BLK WIRE VIO/WHT 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 30 31 CAN-B H CAN-B L 30 31 LIN ATA (EDW) FUNCTION INDICATOR LAMP AUTOMATIC CHILD SEAT RECOGNITION AIRBAG OFF INDICATOR LAMP BLK/BLU WIRE BLU WIRE BRN WIRE BRN/RED WIRE COCKPIT FUSE BOX (BEHIND RIGHT END OF DASH) COMFORT/SPORT SWITCH (ADS) (IF EQUIPPED) COMPUTER DATA LINES SYSTEM EXTERIOR LAMP SWITCH FUSE GRN/BLK WIRE HAZARD WARNING SYSTEM SWITCH HOT AT ALL TIMES LEFT FRONT HEADLAMP UNIT LEFT FRONT HS SWITCH LEFT FRONT SEAT VENTILATION SWITCH LEVEL ADJUSTMENT SWITCH PTS OFF SWITCH RED/BLU WIRE RIGHT FRONT HEADLAMP UNIT RIGHT FRONT HS SWITCH RIGHT FRONT SEAT VENTILATION SWITCH STH SWITCH (W/ STATIONARY HEATER) TRANSMISSION MODE SWITCH UPPER CONTROL PANEL CONTROL MODULE

AMPLIFIER FOR SOUND SYSTEM BACKUP CAMERA VOLTAGE SUPPLY MODULE (W/ BACK-UP CAMERA) BLK WIRE BLU WIRE BRN WIRE CARGO AREA SOCKET CENTRAL GATEWAY CONTROL MODULE DATA LINK CONNECTOR DIGRAM EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED) FROM FUSE 36 DIAGRAM FUSE 32 FROM SOCKET CIRCUIT FROM SPARE 2 RELAY (DIAGRAM 2 OF 3) FRONT INTERIOR SOCKET (USA) FUEL PUMP CONTROL MODULE (3.5L) FUEL PUMP MODULE RELAY FUSE FUSE 21 FUSE 23 FUSE 34 FUSE 26 FUSE 24 FUSE 22 FUSE 27 FUSE 28 FUSE 29 FUSE 40 FUSE 31 FUSE 33 FUSE 25 FUSE 39 FUSE 35 FUSE 36 FUSE 37 FUSE 42 FUSE 41 FUSE 20 FUSE 43 FUSE 44 FUSE 48 FUSE 58 FUSE 66 FUSE 67 FUSE 30 FUSE 69 FUSE 70 FUSE 68 GRY WIRE HS (SIH), SEAT VENTILATION, STEERING WHEEL HEATER CONTROL UNIT (IF EQUIPPED) INTERFERENCE FILTER 1 OVERHEAD CONTROL PANEL MODULE PNK WIRE PTS CONTROL MODULE (IF EQUIPPED) REAR AIR CONDITIONING BLOWER MOTOR (IF EQUIPPED) REAR SAM CONTROL MODULE REAR WINDOW DEFROSTER RELAY RED WIRE RELAY RIGHT RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (IF EQUIPPED) ROW SOCKET SOCKET (DIAGRAM 3 OF 3) SPARE 1 RELAY (CHANGEOVER CONTACT) SPARE 2 RELAY TO FUSE 32 (DIGRAM (2 OF 3) TO FUSE 69 (DIGRAM (2 OF 3) TPM CONTROL MODULE (IF EQUIPPED) TRAILER CIRCUIT TRAILER CIRCUIT 30 RELAY VOICE CONTROL SYSTEM (VCS (SBS)) CONTROL UNIT 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

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