Mercedes-Benz C-class AMG W203/S203/CL203 facelift (2004-2007) blu/blk Wiring diagrams

1.8L 2.6L 3.2L BA MV- UM 1 SS RF SS RF BLA SS LR SS LR BRK WEAR BLA BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN-C H VSS RF SPS SOL VSS LF CAN-C L 31 BA MV+ COMPUTER DATA LINES SYSTEM DIAG DIAPHRAGM TRAVEL SENSOR ESP, BAS CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FRONT AXLE INLET SOLENOID VALVE FRONT AXLE SWITCH- OVER SOLENOID VALVE FUSE 59 FUSE 60 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/YEL WIRE HIGH PRESSURE, RETURN PUMP MOTOR HOT AT ALL TIMES LEFT FRONT AXLE SOLENOID VALVE (HOLD) LEFT FRONT AXLE SOLENOID VALVE (RELEASE) LEFT FRONT WHEEL SPEED SENSOR LEFT REAR AXLE SOLENOID VALVE (HOLD) LEFT REAR AXLE SOLENOID VALVE (RELEASE) LEFT REAR WHEEL SPEED SENSOR LSR TR, LA NCA WIRE REAR AXLE INLET SOLENOID VALVE REAR AXLE SWITCH- OVER SOLENOID VALVE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELEASE SWITCH RIGHT FRONT AXLE SOLENOID VALVE (HOLD) RIGHT FRONT AXLE SOLENOID VALVE (RELEASE) RIGHT FRONT BRAKE PAD CONTACT SENSOR RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR AXLE SOLENOID VALVE (HOLD) RIGHT REAR AXLE SOLENOID VALVE (RELEASE) RIGHT REAR BRAKE PAD CONTACT SENSOR RIGHT REAR WHEEL SPEED SENSOR SOLENOID VALVE SPS SOLENOID VALVE (UNDER VEHICLE, ON STEERING RACK) SS RR SS RR SPS SOL SS LF SS LF 31 TR, LA TR, LA BRK WEAR TURN RATE, LATERAL ACCELERATION SENSOR (FRONT OF CARGO AREA) VIO/BLU WIRE VIO/WHT WIRE VSS LF VSS RF WHT/BLU WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 3 31 30 WAKE 1 2 CAN B L CAN B H 2 1 30 DIAG 4 3 2 30 FZU CONTROL 4 5 CAN L CAN H 6 29 23 DIAG WAKE MUTE A-ST FZU 30 31 AM/FM AM/FM AMFM CLEAR CLEAR ZF ZF AMPLIFIER MODULE 1 (SCREEN ANTENNA) AMPLIFIER MODULE 2 BLK WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE CD CHANGER CLEAR CLEAR CLEAR CLEAR AM/FM AM/FM CLEAR GPS GPS COMMAND OPERATING, DISPLAY, CONTROL MODULE COMPUTER DATA LINES SYSTEM CTEL INTERFACE (IF EQUIPPED) DIAG MUTE 30 FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 GPS GPS ANTENNA (IF EQUIPPED) GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES NCA WIRE OPTIC CABLE CONNECTOR ORG/ WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE SDAR CONTROL UNIT (RIGHT REAR OF TRUNK) TELE AID TRANSMITTER/ RECEIVER (FRONT OF SPARE TIRE WELL) VOICE CONTROL MODULE (IF EQUIPPED) WAKE WAKE UP SIGNAL CONNECTOR WAKE-UP YEL/BLK WIRE ZF ZF

1-2, 3-4, 5-6, 7-8) 3.0 BLK WIRE BLU/BLK WIRE BRN WIRE BRN/GRN (OR BRN/ORG) WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN-B L CAN-B H WAKE UP CENTER COCKPIT SPEAKER COMMAND OPERATING, DISPLAY, CONTROL MODULE COMPUTER DATA LINES SYSTEM COUPE GRN WIRE GRY WIRE HOT AT ALL TIMES INTERIOR FUSE BOX (UNDER LEFT END OF DASH) FUSE 26 LEFT FRONT DOOR MIRROR SPEAKER LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER NCA WIRE NF-L SHLD CLEAR NF-R GND ORG/ WIRE PNK WIRE RED/VIO WIRE RIGHT FRONT DOOR MIRROR SPEAKER RIGHT FRONT DOOR MIRROR SPEAKER RIGHT FRONT DOOR SPEAKER RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER SEDAN SOUND AMPLIFIER SOUND AMPLIFIER MICROPHONE SUBWOOFER LOUDSPEAKER VIO WIRE W/O AMP W/O AMPLIFIER WAGON WAKE 31 WALKMAN SEPARATION POINT WHT WIRE YEL WIRE

BLU/BLK WIRE CD CHANGER COMMAND OPERATING, DISPLAY, CONTROL UNIT COMPUTER DATA LINES SYSTEM DIAG GRN/BLK WIRE OPTICS CONNECTOR (UNDER RIGHT REAR SEAT) ORG/ WIRE RADIO SDARS CONTROL UNIT SOUND AMPLIFIER TELEPHONE INTERFACE TRANSMITTER/RECEIVER VOICE CONTROL SYSTEM CONTROL MODULE W/ COMMAND ACTUATION CIRCUIT W/ RADIO CIRCUIT WAKE UP SIGNAL CONNECTOR (INSIDE INTERIOR OF RIGHT FOOTWELL) WAKE-UP

1 11 42 41 CAN H CAN L 1 2 7 9 3 CAN L CAN H L FUEL (-) R FUEL 40 41 CAN L CAN H 6 7 CAN L CAN H ABS MIL AIRBAG INDICATOR, WARNING LAMP BLK/BRN WIRE BLU/BLK 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 BRN/YEL 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 CONTROL MODULE (BASE OF GEAR SELECTOR LEVER) ENGINE MALFUNCTION INDICATOR LAMP ESP WARNING LAMP ETC CONTROL MODULE (UNDER RIGHT SIDE OF DASH) FRONT SAM CONTROL MODULE 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 IN RUN OR START ILLUMINATION ILLUMINATION RHEOSTAT INSTRUMENT CLUSTER INTERIOR FUSE BOX (UNDER LEFT END OF DASH) LEFT FUEL LEVEL SENSOR (UNDER LEFT FRONT SEAT) LEFT TURN INDICATOR ME-SFI CONTROL MODULE (LEFT REAR OF ENGINE COMPT) MULTIFUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR SWITCH (NEAR PARK BRAKE LEVER) PRK BRK REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED/YEL WIRE RESTRAINT SYSTEMS CONTROL MODULE (UNDER CENTER CONSOLE, LEFT OF SHIFTER) RIGHT FUEL LEVEL SENSOR (UNDER RIGHT FRONT SEAT) RIGHT TURN INDICATOR SEAT BELT REMINDER LAMP SOUNDER- SPEEDOMETER TACHOMETER TRIP ODOMETER RESET BUTTON WARNING BUZZER

11 12 CAN-B H CAN-B L 11 15 CAN-B H CAN-B L 2 3 DOOR MOTOR DOOR MOTOR 33 34 36 37 42 43 45 46 SS RF SS RF SS LR SS LR SS RR SS RR SS LF SS LF 6 7 5 4 CAN-B H CAN-B L 30 31 8 6 7 3 2 IR REC IR REC IR REC DOOR MOTOR DOOR MOTOR BLK WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ESP, BAS CONTROL MODULE FUSE 21 FUSE 22 FUSE 33 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INTERIOR FUSE BOX (UNDER LEFT END OF DASH) FUSE 32 LEFT FRONT DOOR CENTRAL LOCKING MOTOR LEFT FRONT DOOR CONTROL MODULE LEFT FRONT IR RECEIVER LEFT REAR DOOR CENTRAL LOCKING MOTOR LEFT REAR DOOR CONTROL MODULE (SEDAN, WAGON) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CENTRAL LOCKING MOTOR RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT IR RECEIVER RIGHT REAR DOOR CENTRAL LOCKING MOTOR RIGHT REAR DOOR CONTROL MODULE (SEDAN, WAGON) TO WHEEL SPEED SENSORS WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 CAN-B L CAN-B H FUEL LVL 1 2 CAN-B H CAN-B L 2 3 4 1 KPR 87 15 NA 4 5 CAN-B L CAN-B H ANTI-THEFT SYSTEM BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/RED WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CIRCUIT COMPUTER DATA LINES SYSTEM (LEFT SIDE OF TRUNK) (SEDAN, WAGON) COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM CRASH DEFOGGER SYSTEM DOOR LOCKS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM ENGINE CONTROLS SYSTEM MEMORY SYSTEM, SEAT SYSTEM) FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUEL PUMP RELAY FUSE 10 FUSE 12 FUSE 13 FUSE 14 FUSE 16 FUSE 2 FUSE 2 FUSE 1 FUSE 4 FUSE 7 GRN WIRE GRN/GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE 17 HOT AT ALL TIMES FUSE 20 HOT AT ALL TIMES FUSE 8 INTERIOR SOCKET KPR NA LF DOOR FUEL LVL CRASH FUEL LVL LR DOOR RF DOOR RR DOOR PNK/RED WIRE POWER WINDOWS SYSTEM REAR DEFOGGER RELAY REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY SDAR CONTROL UNIT (RIGHT REAR OF TRUNK) SEATS SYSTEM SEATS SYSTEM WIPER/ WASHER SYSTEM SIG SIG TELEPHONE WIRING TO PIN 2, VIO/BLU WIRE

1 2 TRUNK LID/ FFS SEPARATION POINT 4 3 1 2 PNK WIRE AIRBAG SIG RF SW CAN L CAN H UNLOCK SOS LED INFO SW LED PNK WIRE AUX. ANTENNA AUXILIARY BATTERY BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BUS CIRCUIT) COMPUTER DATA LINES SYSTEM CTEL ANTENNA EMERGENCY CALL SPARE ANTENNA FREQUENCY SWITCHOVER CONTROL MODULE FRONT SAM CONTROL MODULE FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 40 GPS GPS ANTENNA GRN WIRE GRN/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT SIDE OF DASH) LEFT FRONT EMERGENCY CALL SPEAKER MB-INFO, BREAKDOWN ASSISTANCE SWITCH MIC + MIC - MIC - MIC + DIAG MUTE RAP SW 30 30 +AUX. BATT NAVIGATION SYSTEM (VOICE ACTIVATION CIRCUIT) NCA WIRE ORG/ WIRE RADIO/COMMAND OPERATING, DISPLAY, CONTROL UNIT OR RADIO REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE SOS PUSHBUTTON SWITCH SOS SW INFO LED 31 31 TELE AID TRANSMITTER/ RECEIVER (AT FRONT OF CARGO AREA) TELEPHONE SYSTEM WAKE-UP WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

31 WAKE UP MIC+ MIC- BLK/YEL WIRE BLU/BLK WIRE BRN WIRE BUS CIRCUIT) FUSE 13 HANDS-FREE MICROPHONE - HOT AT ALL TIMES FUSE 16 HOT IN ACC, RUN OR START NCA WIRE ORG/ WIRE REAR SAM CONTROL MODULE FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED/BLK WIRE TELE AID TRANSMITTER/ RECEIVER VOICE CONTROL SYSTEM CONTROL MODULE WHT WIRE

ACTIVATED CHARCOAL CANISTER SHUTOFF VALVE (ABOVE RIGHT REAR WHEEL WELL) ADJUSTABLE CAMSHAFT TIMING SENSOR (RIGHT FRONT OF ENGINE) BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ENGINE, A/C ELECTRIC SUCTION FAN WITH INTEGRATED CONTROL (FRONT OF ENG) FUEL LVL FUEL PUMP ASSEMBLY FUEL PUMP LEFT FUEL LEVEL SENSOR FUEL PUMP RELAY FUSE 4 GRN/BLK WIRE GRN/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE INTAKE CAMSHAFT SOLENOID (LEFT FRONT OF ENG) NCA WIRE OXYGEN SENSOR 1 (UPSTREAM TWC) (AT RIGHT REAR OF ENGINE COMPT) OXYGEN SENSOR 2 (DOWNSTREAM TWC) (RIGHT REAR OF ENG COMPT) PURGE CONTROL VALVE (LEFT REAR CORNER OF ENGINE COMPT) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/GRN WIRE RIGHT FUEL LEVEL SENSOR VIO/BLU WIRE