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

ABS IND. BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRAKE FLUID, PARKING BRAKE WARNING IND BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B L CAN B H COCKPIT COMPUTER DATA LINES SYSTEM ESP BRAKE PRESSURE SENSOR (ON BRAKE MASTER CYLINDER) ESP WARNING LAMP IND FRONT SAM CONTROL UNIT (UNDER RIGHT FRONT SEAT) GRN/BLK WIRE HOT AT ALL TIMES FUSE 11 FUSE BOX (BEHIND RIGHT END OF DASH) INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR NCA WIRE PARKING BRAKE INDICATOR SWITCH (ABOVE PARKING BRAKE) REAR SAM CONTROL MODULE (RIGHT REAR OF CARGO AREA) RED/BLK WIRE RED/WHT WIRE RIGHT FRONT BRAKE PAD CONTACT SENSOR (ON RIGHT FRONT BRAKE ASSEMBLY) RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR BRAKE PAD CONTACT SENSOR (ON RIGHT REAR BRAKE ASSEMBLY) RIGHT REAR WHEEL SPEED SENSOR VIO/WHT WIRE VOLTAGE DISTRIBUTOR CONNECTOR WHT WIRE WHT/BLK WIRE YEL/WHT WIRE

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

13 12 6 CAN-C H CAN-C L 15 16 26 CAN-B H CAN-B L 3 BREMSL 49 HI LI 7 5 4 3 RWLT AUDIBLE TURN SIGNAL INDICATOR BATTERY COMPARTMENT BLK WIRE BLK/BLU WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CENTER HIGH MOUNTED STOP LAMP COMPUTER DATA LINES SYSTEM EXTERIOR LAMP SWITCH FUSE FUSE, RELAY BOX (RIGHT REAR OF CARGO AREA) FUSE PREFUSE BOX (UNDER RIGHT FRONT SEAT) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE HAZARD WARNING SWITCH 4 3 5 6 CAN-B L CAN-B H 30 31 HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED INSTRUMENT CLUSTER KR(+) LEFT REAR END DOOR LICENSE PLATE LAMP LEFT STOP LAMP, TAILLAMP, PARKING LAMP, SIDE MARKER LAMP LEFT TAILLAMP LEFT TURN SIGNAL INDICATOR LAMP LEFT TURN SIGNAL LAMP LIN ORG/ WIRE PNK WIRE PNK/BLK WIRE REAR END DOOR AMBIENT LAMP REAR SAM CONTROL MODULE (RIGHT REAR OF CARGO AREA) RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT REAR END DOOR LICENSE PLATE LAMP RIGHT TURN SIGNAL INDICATOR LAMP UPPER CONTROL PANEL MODULE VIO/BLK WIRE

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 3 CAN-C H CAN-C L 1 2 CAN-C H CAN-C L 10 11 CAN-C H CAN-C L 10 9 7 8 CAN-B H CAN-B L CAN-C L CAN-C H 11 15 CAN-C H CAN-C L 14 4 CAN-C H CAN-C L 18 17 13 12 CAN-B H CAN-B L CAN-C H CAN-C L 18 17 CAN-C H CAN-C L 2 1 CAN-C H CAN-C L 3.5L 4 3 5 6 CAN-B H CAN-B L CAN-C H CAN-C L 41 54 CAN-C H CAN-C L 5.0L, 5.5L 51 52 CAN-C H CAN-C L AIRMATIC W/ADS CONTROL UNIT (RIGHT FRONT FOOTWELL) BRN WIRE BRN/RED WIRE CAN C H CAN C H CAN C L CAN C L CDI CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) CENTRAL GATEWAY CONTROL MODULE (IN LEFT FRONT FOOTWELL) EIS (EZS) CONTROL UNIT ELECTRONIC CONTROL UNIT (VGS) ESP CONTROL MODULE (RIGHT FRONT CORNER OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE HEADLAMP RANGE ADJUSTMENT CONTROL MODULE (W/ XENON) (IN RIGHT FRONT FOOTWELL) INSTRUMENT CLUSTER INTELLIGENT SERVO MODULE (DIRECT SELECT) (LEFT REAR OF TRANSMISSION HOUSING) ME-SFI CONTROL UNIT (TOP CENTER OF ENGINE) PASSENGER-SIDE VOLTAGE DISTRIBUTOR (CAN C) CONNECTOR REAR AXLE LEVEL CONTROL SYSTEM CONTROL MODULE (IN RIGHT FRONT FOOTWELL) RESTRAINTS SYSTEMS CONTROL MODULE (UNDER CENTER CONSOLE) STEERING COLUMN MODULE (TOP OF STEERING COLUMN) W/ LEVEL CONTROL

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

17 18 CAN B L CAN B H 30 31 LIN 35 36 CAN-B L CAN-B H BLK WIRE BLK/BLU WIRE BLU WIRE BRIGHT INSTRUMENT, SEARCH ILLUMINATION PUSH BUTTON BRIGHTNESS SENSOR BRN WIRE BRN/RED WIRE CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COMPUTER DATA LINES SYSTEM CUP HOLDER 1 ILLUM CUP HOLDER 2 ILLUM CUP HOLDER ILLUMINATION CUP HOLDER ILLUMINATION (W/ INTERIOR PACKAGE) DARK INSTRUMENT, SEARCH ILLUMINATION PUSH BUTTON DISTRIBUTOR CONNECTOR EXTERIOR LAMP SWITCH FRONT ARMREST FOLDING COMPARTMENT ILLUMINATION (W/ INTERIOR PACKAGE) FRONT CENTER CONSOLE CUP HOLDER ILLUMINATION (W/ INTERIOR PACKAGE) FRONT CIGAR LIGHTER W/ ASHTRAY ILLUMINATION FRONT SAM CONTROL UNIT (UNDER RIGHT FRONT SEAT) FUSE (RIGHT REAR OF CARGO AREA) FUSE 60 GLOVE COMPARTMENT ILLUMINATION (W/ SWITCH) GRN/BLK WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOT W/ CIRCUIT INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION LEFT AIR OUTLET ILLUMINATION LEFT CENTER AIR OUTLET ILLUMINATION LIN LOAD COMPARTMENT FUSE, RELAY BOX PNK/BLK WIRE REAR CENTER CONSOLE ILLUMINATION REAR CENTER CONSOLE ILLUMINATION 2 RED WIRE RED/BLU WIRE RIGHT AIR OUTLET ILLUMINATION RIGHT CENTER AIR OUTLET ILLUMINATION UPPER CONTROL PANEL MODULE WAKE-UP SIGNAL/CIRCUIT

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

12 13 CAN-C L CAN-C H 13 14 31 BBV HR BBV VR 17 18 1 25 16 CAN-C L CAN-C H 30 SK 31 26 16 CAN-B-L CAN-B-H 27 33 40 TG+R TG- TG+L AIR BAG INDICATOR BATTERY COMPARTMENT BLK WIRE BLU/BLK WIRE BRAKE FLUID INDICATOR SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE FLUID, PARKING BRAKE WARNING LAMP BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN B L CAN B H CIRCUIT 31 LEFT FOOT WELL VOLTAGE DISTRIBUTOR CONNECTOR CIRCUIT 31 RIGHT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE, SEAT BELT WARNING SWITCH (IN DRIVER'S SEAT BELT BUCKLE) FRONT SAM CONTROL UNIT (UNDER RIGHT FRONT SEAT) FUEL RESERVE INDICATOR LAMP FUSE 79 FUSE 84 FUSE 89 PREFUSE BOX (UNDER RIGHT FRONT SEAT) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES COCKPIT PREFUSE BOX (BEHIND RIGHT END OF DASH) FUSE 11 INSTRUMENT CLUSTER LEFT FUEL LEVEL SENSOR (IN LEFT SIDE OF FUEL TANK) NCA WIRE PARKING BRAKE INDICATOR SWITCH REAR SAM CONTROL MODULE (RIGHT REAR OF CARGO AREA) RED WIRE RED/BLK WIRE RED/WHT WIRE RESTRAINTS SYSTEM CONTROL MODULE (UNDER CENTER CONSOLE) RIGHT FRONT BRAKE PAD CONTACT SENSOR (ON RIGHT FRONT BRAKE ASSEMBLY) RIGHT FUEL LEVEL SENSOR (IN RIGHT SIDE OF FUEL TANK) RIGHT REAR BRAKE PAD CONTACT SENSOR (ON RIGHT REAR BRAKE ASSEMBLY) SEAT BELT REMINDER LAMP VIO WIRE WARNING BUZZER WARNING LAMP WHT WIRE

1.ZYL 17 18 CAN B L CAN B H 2.ZYL 3.ZYL 4.ZYL 5.ZYL 6.ZYL BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CHECK ENGINE (MIL) IND COMPUTER DATA LINES SYSTEM GLOW PLUGS GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE INSTRUMENT CLUSTER LEFT HOT FILM MAF SENSOR LIN NCA WIRE ORG/ WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE STARTING/ CHARGING SYSTEM THROTTLE VALVE ACTUATOR (RIGHT FRONT OF ENGINE) UPSTREAM TWC (KAT) VIO WIRE WHT/BLU WIRE WHT/RED WIRE YEL/BLK WIRE