Mercedes-Benz R-class W251 facelift (2007-2010) (top of right "d" pillar) 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

12 11 2 1 (-) (+) (+) (-) 5 4 6 14 15 16 17 18 19 20 9 8 10 LL L GND TA LL R LL L 8 9 12 LL L LL R DATA AMBIENT LAMP BLU WIRE BRN WIRE BRN/RED WIRE CAN-B H CAN-B L 31 30 CIRCUIT 31 RIGHT FOOTWELL VOLTAGE DISTRIBUTOR CONNECTOR COMPUTER DATA LINES SYSTEM DOOR CONTACT ON/OFF SWITCH FL (-) FL GND TA RE TA LI LL R GND TA FRONT SAM CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) FUSE 26 RELAY BOX (RIGHT REAR OF CARGO AREA) FUSE 34 FUSE 41 GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES BATTERY COMPARTMENT PREFUSE BOX FUSE 88 INTERIOR REARVIEW MIRROR UNIT LEFT DOME LAMP LEFT FRONT FOOTWELL LAMP LEFT FRONT VANITY ILLUMINATION SWITCH LEFT INTERIOR LAMP LEFT READING LAMP LEFT READING LAMP SWITCH LEFT REAR FOOTWELL LAMP LEFT SUN VISOR W/ ILLUMINATED MIRROR LOAD COMPARTMENT FUSE, NCA WIRE OVERHEAD CONTROL PANEL MODULE READING LAMP REAR DOME LAMP, SWITCH RED WIRE RIGHT DOME LAMP 35 36 CAN-B L CAN-B H RIGHT FRONT FOOTWELL LAMP RIGHT FRONT VANITY ILLUMINATION SWITCH RIGHT INTERIOR LAMP RIGHT READING LAMP RIGHT READING LAMP LEFT READING LAMP RIGHT READING LAMP SWITCH RIGHT REAR FOOTWELL LAMP RIGHT SUN VISOR W/ ILLUMINATED MIRROR ROW INTERIOR LAMP SWITCH W/ INTERIOR LIGHT PACKAGE YEL WIRE

11 4 2 DATA 31 30 12 13 CAN-C L CAN-C H 2 1 CAN-C L CAN-C H 6 3 2 1 31 31 CAN-B L CAN-B H 6 5 CAN-C L CAN-C H 7 8 CAN-C L CAN-C H 9 10 11 8 30 CAN-C H CAN-C L 31 BLK/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B L CAN B H CENTRAL GATEWAY CONTROL MODULE (IN LEFT FRONT FOOTWELL) COMBINATION SWITCH COMPT) COMPUTER DATA LINES SYSTEM EIS (EZS) CONTROL MODULE ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE FRONT PREFUSE (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) FUSE 100 FUSE 60 FUSE 8 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES COCKPIT PREFUSE BOX (BEHIND RIGHT END OF DASH) FUSE 13 INSTRUMENT CLUSTER INTELLIGENT SERVO MODULE FOR DIRECT SELECT (LEFT REAR OF TRANSMISSION HOUSING) LOAD COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF CARGO AREA) ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PNK WIRE PNK/BLK WIRE RAIN/LIGHT SENSOR (CENTER FRONT OF ROOF) RED WIRE RED/BLU WIRE RELAY ENERGIZED STEERING COLUMN MODULE (TOP OF STEERING COLUMN) VIO WIRE WHT/BLK WIRE WINDSHIELD WASHER FLUID LEVEL INDICATOR SWITCH (IN WASHER FLUID RESERVOIR) WINDSHIELD WASHER FLUID PUMP (ON WASHER FLUID RESERVOIR) WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH WIPER LEVEL 1, 2 RELAY WIPER MOTOR (REAR OF ENGINE COMPT) WIPER ON/OFF RELAY

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

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

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