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

2 1 CAN-B L CAN-B H 2 4 11 1 10 17 3 12 9 8 PNK 30 31 DATA WIRE 31 DATA IL R IL L AUTOMATIC AMBIENT DIMMING LAMP MIRROR BLU WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 41 FUSE 42 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRY/BLU WIRE HANDS-FREE SYSTEM MICROPHONE GROUP HOT AT ALL TIMES INTERIOR REARVIEW MIRROR UNIT LEFT READING LAMP LOAD COMPARTMENT FUSE, RELAY BOX (RIGHT REAR OF CARGO AREA) ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PNK 1 2 3 WIRE PNK/GRN WIRE RAIN/LIGHT SENSOR (CENTER FRONT OF ROOF) RED WIRE RIGHT READING LAMP YEL 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

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 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

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 #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

3.5L AC RECIRCULATION UNIT BATTERY BATTERY COMPARTMENT PREFUSE BOX (UNDER RIGHT BLK WIRE BLU WIRE BOOSTER BLOWER ELECTRONIC BLOWER CONTROLLER BRN WIRE CIRCUIT CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTION CONNECTOR CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COCKPIT PREFUSE BOX EMERGENCY CALL SYSTEM CONTROL UNIT (IF EQUIPPED) ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) FRONT CIGAR LIGHTER (IN LEFT REAR (W/ ASHTRAY FOOTWELL) ILLUMINATION) FRONT SAM CONTROL MODULE FRONT SAM CONTROL UNIT FRONT SEAT) FUEL PUMP CONTROL MODULE (3.5L) FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 (BEHIND RIGHT END OF DASH) FUSE 46 FUSE 50 FUSE 52 FUSE 53 FUSE 54 FUSE 56 FUSE 59 FUSE 55 FUSE 60 FUSE 61 RELAY FUSE 62 FUSE 63 FUSE 79 FUSE 80 FUSE 78 FUSE 82 FUSE 81 FUSE 83 FUSE 84 FUSE 85 FUSE 86 FUSE 87 FUSE 90 FUSE 89 FUSE 88 FUSE 91 GLOVE COMPARTMENT ILLUMINATION SWITCH GRY WIRE HEADLAMP RANGE ADJUSTMENT CONTROL MODULE (W/ XENON HEADLAMPS) ILL INSTRUMENT CLUSTER LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (IF EQUIPPED) PNK WIRE PTC REAR SAM HEATER CONTROL BOOSTER MODULE (W/ HEATER BOOSTER) REAR SAM CONTROL MODULE REAR WIPER RELAY RED WIRE RELAY RESTRAINT REAR SAM CONTROL SYSTEMS MODULE CONTROL MODULE RESTRAINT SYSTEMS CONTROL MODULE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (IF EQUIPPED) SOCKET CIRCUIT STEERING COLUMN MODULE TAILGATE WIPER MOTOR TO DC/AC CONVERTER CONTROL UNIT (DIAGRAM 3 OF 3) TO ENGINE COMPARTMENT FUSE, RELAY BOX (DIAGRAM 3 OF 3) TO FRONT PREFUSE (DIAGRAM 3 OF 3) TO FUSE 48 (DIAGRAM 2 OF 3) UPPER CD CHANGER CONTROL PANEL CONTROL MODULE VIO WIRE W/ INTERIOR LIGHT PACKAGE W/O INTERIOR LIGHT PACKAGE WHT WIRE WIPER ON/OFF RELAY WSS CONTROL UNIT (WEIGHT SENSING SYSTEM) YEL 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

AUX L + AUX R + BACKUP CAMERA BACKUP CAMERA VOLTAGE SUPPLY MODULE BLK WIRE BRN WIRE CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR 2 COMAND OPERATING, DISPLAY, CONTROL MODULE DVD PLAYER (W/ REAR ENTERTAINMENT) NCA WIRE RED/BLK WIRE SHIELD VIDEO OUT VIDEO GND W/ REAR ENTERTAINMENT W/O REAR ENTERTAINMENT WHT/BLK WIRE YEL WIRE