Mercedes-Benz C-class W203/S203/CL203 facelift (2004-2008) blk/brn Wiring diagrams

1 2 3 31 MULTIPLEX DATA OUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CAN-B H CAN-B L 9 10 COMPUTER DATA LINES SYSTEM CAN-B L CAN-B H A/C COMPRESSOR (LEFT FRONT OF ENGINE COMPT) AAC PUSHBUTTON CONTROL MODULE AIR LEFT HUMIDITY DEFROSTER SENSOR VENT FLAP ACTUATOR MOTOR BLK/BRN WIRE BLK/RED WIRE BLOWER MOTOR BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/PNK WIRE BLU/RED WIRE BLU/VIO WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN-L CAN-H CIRCUIT 87 RELAY ENERGIZED FUSE 54 COMPUTER DATA LINES SYSTEM COOLANT CIRCULATION PUMP (W/ RESIDUAL ENGINE HEAT UTILIZATION SYSTEM) ELECTRIC SUCTION FAN ENGINE, A/C WITH INTEGRATED CONTROL ENERGIZED FUSE 51 FRESH LEFT, RIGHT AIR DEFROSTER FLAPS ACTUATOR FLAPS ACTUATOR FRONT PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 30 FUSE 41 FUSE 5 GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/RED WIRE HEATING SYSTEMS RECIRCULATION UNIT HOT AT ALL TIMES IN-CAR TEMPERATURE SENSOR IN-CAR TEMPERATURE SENSOR FSN MOTOR INSTRUMENT CLUSTER SYSTEM INTERIOR FUSE BOX LEFT FOOTWELL FLAP ACTUATOR MOTOR LEFT RIGHT BLENDING BLENDING AIR FLAP AIR FLAP ACTUATOR ACTUATOR LEFT RIGHT FRESH FOOTWELL AIR FLAP FLAP ACTUATOR ACTUATOR MOTOR LEFT, RIGHT FOOTWELL FLAPS ACTUATOR ME-SFI CONTROL MODULE NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PURGE CONTROL VALVE (LEFT REAR CORNER OF ENGINE COMPT) REAR BLOWER ELECTRONIC SELECTOR WHEEL REAR BLOWER MOTOR REAR BLOWER MOTOR CONTROL MODULE (ON REAR BLOWER MOTOR ASSEMBLY) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT DEFROSTER VENT FLAP ACTUATOR MOTOR RIGHT FRESH AIR FLAP ACTUATOR RV EGS VIO WIRE W/ COMFORT AAC W/ OUTSIDE TEMPERATURE INDICATOR WHT/PNK WIRE WHT/VIO WIRE

1 2 3 4 NA KPR 1 2 5 CAN-B L CAN-B H NA 2 3 4 5 6 7 8 9 10 FROM FANFARE HORNS RELAY (DIAGRAM 1 OF 3) 7 4 1 KPR 87 15 9 10 11 12 FROM FUSE 53 (DIAGRAM 1 OF 3) 9 15 16 8 DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) AIR PUMP 15 HOOD ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM (CL) CPP BRIDGE DI CONTROL MODULE DIAG ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM (EXCEPT CL) ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM FROM FUSE 47 (DIAGRAM 1 OF 3) FROM FUSE 50 (DIAGRAM 1 OF 3) FROM FUSE 51 (DIAGRAM 1 OF 3) FROM FUSE 53 (DIAGRAM 1 OF 3) FROM FUSE 54 (DIAGRAM 1 OF 3) FROM FUSE 57 (DIAGRAM 1 OF 3) FRONT CIGAR LIGHTER FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN/BLU WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HORNS SYSTEM ENGINE CONTROLS SYSTEM HOT AT ALL TIMES FUSE 57 HOT AT ALL TIMES FUSE 59 HOT AT ALL TIMES FUSE 60 HOT AT ALL TIMES FUSE 62 HOT AT ALL TIMES FUSE 63 HOT AT ALL TIMES FUSE 64 INSTRUMENT CLUSTER AIR CONDITIONING SYSTEM PNK/RED WIRE PNK/YEL WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE SOUND SYSTEMS VIO/BLU WIRE VIO/WHT WIRE YEL WIRE

1 2 7 9 3 CAN L CAN H L FUEL (-) R FUEL 40 41 CAN L CAN H 41 54 CAN H CAN L 6 7 CAN L CAN H ABS MIL AIR BAG INDICATOR, WARNING LAMP AREA) BLK/BRN WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE FLUID INDICATOR SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE FLUID, PARKING BRAKE WARNING LAMP BRK FLUID BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN L CAN H DRVR BELT CAN-L CAN-H COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH DTR WARNING LAMP ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (AT BASE OF GEAR ELECTRONIC SPEEDOMETER ENGINE DIAGNOSIS MALFUNTION INDICATOR LAMP ESP WARNING LAMP ETC (EGS) CONTROL MODULE (UNDER RIGHT SIDE OF DASH) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUEL LEVEL GAUGE W/ RESERVE INDICATOR FUSE 42 FUSE 51 GEAR DISPLAY (PRNDL) GRN WIRE GRN/WHT WIRE GRY/GRN WIRE HIGH BEAM INDICATOR LAMP HOT AT ALL TIMES HOT W/ CIRCUIT ILLUMINATION ILLUMINATION RHEOSTAT INSTRUMENT CLUSTER INTERIOR FUSE BOX (LEFT END OF DASH) LEFT FUEL LEVEL SENSOR (UNDER LEFT REAR SEAT) LEFT TURN INDICATOR ME-SFI CONTROL MODULE (AT LEFT REAR OF ENGINE COMPT) MULTIFUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE SUPPORT BRAKET) PRK BRK REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK CARGO, RED/YEL WIRE RESTRAINT SYSTEMS CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) RIGHT FUEL LEVEL SENSOR (UNDER RIGHT REAR SEAT) RIGHT TURN INDICATOR SEAT BELT REMINDER LAMP SHIFT ASSEMBLY) SOUNDER- TACHOMETER TRIP ODOMETER RESET BUTTON WARNING BUZZER

1 2 3 4 5 6 7 8 9 10 SW GROUP SW GROUP SW GROUP SW GROUP SW GROUP 1 2 3 6 (-) H SIG 1 H SIG 2 H (-) 1 2 FH T FH H 11 12 CAN-B H CAN-B L 4 5 FH T FH H 6 5 4 1 (+) H SIG 1 H SIG 2 H (-) 6 7 5 4 CAN-B H CAN-B L 30 31 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR DRIVER POWER WINDOW SWITCH GROUP FH VR FUSE 21 FUSE 22 FUSE 33 GRN WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) FUSE 32 IF EQUIPPED SWITCH LEFT FRONT DOOR CONTROL MODULE (IN DRIVER'S DOOR) LEFT FRONT POWER WINDOW MOTOR (IN DRIVER'S DOOR) LEFT FRONT POWER WINDOW SWITCH LEFT REAR DOOR CONTROL MODULE LEFT REAR POWER WINDOW MOTOR (IN LEFT REAR DOOR) LEFT REAR POWER WINDOW SWITCH REAR SIDE WINDOWS CHILD SAFETY LOCK SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RF W/L RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT POWER WINDOW MOTOR (IN RIGHT FRONT DOOR) RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR DOOR CONTROL MODULE RIGHT REAR POWER WINDOW RIGHT REAR POWER WINDOW MOTOR (IN RIGHT REAR RIGHT REAR POWER WINDOW SWITCH SW GROUP SW GROUP SW GROUP SW GROUP TRUNK LID RELEASE WHT WIRE YEL WIRE

BATTERY BLK WIRE BLK/BRN WIRE BRN WIRE CIRCUIT EIS (EZS) CONTROL MODULE FRONT SAM CONTROL UNIT W/FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 51 FUSE 52 GENERATOR HOT AT ALL TIMES FRONT PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE 4 INSTRUMENT CLUSTER PNK WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM RED WIRE RELAY STARTER STARTER RELAY VIO WIRE VIO/WHT WIRE WHT WIRE