Mercedes-Benz R-class W251 facelift (2007-2010) upper control panel control module Wiring diagrams

10 11 CAN-C H CAN-C L 3 4 7 6 5 CAN-B H CAN-B L LIN 31 30 36 35 CAN-B H CAN-B L 6 5 CAN-C L CAN-C H 7 8 CAN-C L CAN-C H BLK/BLU WIRE BLU WIRE BRN WIRE BRN/RED WIRE CENTRAL GATEWAY CONTROL MODULE (IN LEFT FRONT FOOTWELL) COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EIS (EZS) CONTROL MODULE EXTERIOR LAMP SWITCH FRONT SAM CONTROL UNIT (UNDER FRONT PASSENGER'S SEAT) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HCS PUMP (ON WASHER FLUID RESERVOIR) HEADLIGHTS SYSTEM RED/BLU WIRE SRA STEERING COLUMN MODULE (TOP OF STEERING COLUMN) UPPER CONTROL PANEL CONTROL MODULE WHT/BLK WIRE WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 CAN-C H CAN-C L 10 11 CAN-C H CAN-C L 17 18 CAN B L CAN B H 17 27 CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM 5 6 7 30 31 LIN BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/RED WIRE BUS SIG CIRCUIT 31 RIGHT FOOTWELL VOLTAGE DISTRIBUTOR CONNECTOR CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COMBINATION SWITCH COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) EXCEPT 5.0L 36 35 CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM EXTERIOR LAMP SWITCH FRONT SAM CONTROL UNIT (UNDER RIGHT FRONT SEAT) FUSE 112 FUSE 55 FUSE 54 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/WHT WIRE HEADLAMP FLASHER/ HIGH BEAM SW HEADLAMP RANGE ADJUSTMENT CONTROL MODULE (IN RIGHT FRONT FOOTWELL) HIGH BEAM INDICATOR HOT W/ CIRCUIT 15 RELAY ENERGIZED HRA POWER MODULE (W/ XENON) INSTRUMENT CLUSTER LEFT FOG LAMP LEFT FRONT HEADLAMP UNIT LEFT HEADLAMP RANGE ADJUSTMENT MOTOR LEFT HIGH BEAM LEFT LOW BEAM LEFT HIGH BEAM SOLENOID LEFT TAILLAMP LIN LOAD COMPARTMENT FUSE, RELAY BOX (RIGHT REAR OF CARGO AREA) LOW BEAM SW ORG/ WIRE PNK/BLK WIRE REAR FOG LAMP RED/BLU WIRE RIGHT FOG LAMP RIGHT FRONT HEADLAMP UNIT RIGHT HEADLAMP RANGE ADJUSTMENT MOTOR RIGHT HIGH BEAM SOLENOID RIGHT HIGH BEAM RIGHT TAILLAMP STEERING COLUMN MODULE (TOP OF STEERING COLUMN) UPPER CONTROL PANEL CONTROL MODULE VIO WIRE VIO/BLK WIRE W/ XENON XENON W/O W/O XENON XENON WHT/BLU WIRE XENON HEADLAMP IGNITION MODULE (W/ XENON) XENON HEADLAMP SUPPLY MODULE (W/ XENON) XENON RIGHT LOW BEAM HEADLAMP IGNITION MODULE (W/ XENON) YEL/BLK WIRE

1 2 CAN-B H CAN-B L 17 18 CAN-B H CAN-B L 17 27 16 26 CAN-B H CAN-B L CAN-B H CAN-B L 2 1 CAN-B H CAN-B L 25 9 CAN-B H CAN-B L 3 4 CAN B H CAN B L 36 35 CAN-B H CAN-B L 4 3 CAN-B H CAN-B L 5 3 CAN-B H CAN-B L 7 5 CAN-B H CAN-B L AAC PUSHBUTTON CONTROL MODULE BRN WIRE BRN/RED WIRE COCKPIT VOLTAGE DISTRIBUTOR (CAN) CONNECTOR COMFORT AAC PUSHBUTTON CONTROL MODULE ELECTRONIC COMPASS (IF EQUIPPED) (BEHIND INSTRUMENT CLUSTER) FRONT SAM CONTROL UNIT (UNDER RIGHT FRONT SEAT) KEYLESS GO CONTROL MODULE (IF EQUIPPED) (RIGHT SIDE OF CARGO AREA) RCP (HBF) CONTROL MODULE REAR SAM CONTROL MODULE (RIGHT REAR OF CARGO AREA) RIGHT FRONT DOOR CONTROL MODULE (IN FRONT OF RIGHT FRONT DOOR) RIGHT VOLTAGE DISTRIBUTOR (CAN) CONNECTOR UPPER CONTROL PANEL CONTROL MODULE W/ AAC (KLA) W/ COMFORT AAC (K-KLA) WSS CONTROL UNIT (WEIGHT SENSING SYSTEM) (ON RIGHT FRONT SEAT FRAME)

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

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 CAN C H CAN C L 1 2 3 4 5 CAN-C L CAN-C H ISM 30 31 4 3 CAN B L CAN B H 6 5 CAN-C L CAN-C H BLK WIRE BRAKE CONTROL SOLENOID VALVE (VGS) BRN WIRE BRN/RED WIRE CLUTCH CONTROL SOLENOID VALVE (VGS) COMPUTER DATA LINES SYSTEM EIS (EZS) CONTROL UNIT ELECTRIC CONTROL UNIT (VGS) ENGINE COMPARTMENT FUSE, RELAY BOX (RIGHT SIDE OF ENGINE COMPT) FULLY INTEGRATED TRANSMISSION CONTROL (VGS) CONTROL UNIT FUSE 111 FUSE 116 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INTELLIGENT SERVO MODULE (DIRECT SELECT) (LEFT REAR OF TRANSMISSION HOUSING) ISM OUTPUT SPEED SENSOR (VGS) RED WIRE RED/BLK WIRE RED/VIO WIRE SELECTION RANGE SENSOR (VGS) TORQUE CONVERTER LOCKUP CLUTCH CONTROL SOLENOID VALVE (VGS) TRANSMISSION MODE SWITCH TRANSMISSION OIL TEMP SENSOR (VGS) TURBINE INTERNAL SPEED SPEED SENSOR SENSOR (VGS) (VGS) UPPER CONTROL PANEL CONTROL MODULE WORKING PRESSURE CONTROL SOLENOID VALVE (VGS)

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