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

#1 #2 #3 #4 #5 #6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 (+) (+) (+) (-) (-) (-) 1 2 3 6 7 8 ESA SW ESA SW ESA SW ESA SW ESA SW ESA SW 2 1 CAN-B H CAN-B L 2 MEMORY LOCATION 6 7 5 CAN-B H CAN-B L 30 BACKREST BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN-B H 30 COMPUTER DATA LINES SYSTEM COUPE DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE (UNDER SEAT) DRIVER SEAT BACKREST ADJUSTMENT MOTOR DRIVER SEAT FORWARD/BACK ADJUSTMENT MOTOR DRIVER SEAT FRONT UP/DOWN ADJUSTMENT MOTOR DRIVER SEAT HEAD RESTRAINT RAISE/LOWER ADJUSTMENT MOTOR DRIVER SEAT REAR UP/DOWN ADJUSTMENT MOTOR FRONT (RAISE/ LOWER) FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 2 FUSE 21 FUSE 29 GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HEAD RESTRAINT (RAISE/ LOWER) HOT AT ALL TIMES INTERIOR FUSE BOX (UNDER LEFT END OF DASH) LEFT FRONT DOOR CONTROL MODULE LEFT FRONT DOOR ESA SWITCH GROUP MEMORY STORE REAR (RAISE/ LOWER) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/WHT WIRE RED/YEL WIRE SEAT (FORWARD/ BACK) SEDAN WAGON STEERING COLUMN MEMORY CIRCUIT VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

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

BELT BELT TENSION SENSOR (RIGHT FRONT DOOR SILL) BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN L CAN-L CAN-H COMPUTER DATA LINES SYSTEM CRASH SIG 31 31 DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH DRVR BELT UPFRONT R ETR LF- ETR LF+ ETR RF+ ETR RF- ETR LR- ETR LR+ ETR RR+ ETR RR- PASS BELT FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE LEFT AIRBAGS SENSOR (UNDER LEFT REAR SEAT) LEFT FRONTAL ACCEL- ERATION SENSOR LEFT REAR ETR SQUIB (UNDER LEFT REAR SEAT) PASSENGER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH PNK WIRE PNK/BLK WIRE PRESS. PRESSURE SENSOR (UNDER RIGHT FRONT SEAT) RED WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RESTRAINT SYSTEMS CONTROL MODULE (UNDER CENTER CONSOLE, LEFT OF SHIFTER) RIGHT AIRBAGS SENSOR (UNDER RIGHT REAR SEAT) RIGHT FRONTAL ACCEL- ERATION SENSOR RIGHT REAR ETR SQUIB (UNDER RIGHT REAR SEAT) SB LF- SB LF+ SB RF+ SB RF- SB LR- SB LR+ SB RR+ SB RR- WB L- WB L+ WB R+ WB R- SIDE L SIDE R UPFRONT L VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT (UNDER RIGHT FRONT SEAT) WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

1.8L 15 11 26 38 CAN L CAN H BK WEAR BK WEAR 2.6L 3.2L 3 4 67 CAN L CAN H DRVR BELT BLK/BRN WIRE BRAKE FLUID INDICATOR SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE FLUID, PARKING BRAKE WARNING LAMP BRK FLUID BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN-L CAN-H COMPUTER DATA LINES SYSTEM ESP, BAS CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 42 FUSE 51 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER INTERIOR FUSE BOX (UNDER LEFT END OF DASH) MULTIFUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR SWITCH (NEAR PARK BRAKE LEVER) PRK BRK RED/YEL WIRE RESTRAINT SYSTEMS CONTROL MODULE (UNDER CENTER CONSOLE, LEFT OF SHIFTER) RIGHT FRONT BRAKE PAD CONTACT SENSOR SEAT BELT REMINDER LAMP WARNING BUZZER YEL/GRY WIRE YEL/RED WIRE

2003-2004, 2005 EARLY PRODUCTION 2005 LATE PRODUCTION, 2006 MODELS AIR FLAP 1 AIR FLAP SIG AIR PUMP SW AIR PUMP SWITCH OVER SENSOR AMBIENT SIG BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE CAMSHAFT SIG EA/CC/ISC ECT SIG ENGINE CONTROL MODULE (ME-SFI) (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE IAT SIG INTAKE AIR TEMPERATURE SENSOR OIL LEVEL SWITCH (LEFT REAR OF ENG COMPT) OIL LVL OUT OIL LVL SIG OIL SENSOR (OIL LEVEL, TEMPER- ATURE, QUALITY) (LOWER LEFT SIDE OF ENGINE) RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE VIO WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

ALTITUDE SENSOR (TOP OF ENGINE) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT SIG PRESSURE SENS SIG MAF GND EA/CC/ISC POT 1 HOT FILM MAF SIG EA/CC/ISC POT 2 ENG SENS GND ENGINE CONTROL MODULE (ME-SFI) (LEFT REAR OF ENGINE COMPT) FUEL INJECTORS GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY BLK/ WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE IGNITION COILS INJ 3 SIG OUT INJ 2 SIG OUT INJ 1 SIG OUT INJ 4 SIG OUT INTAKE CAMSHAFT ENG SENS GND KNOCK SENS SIG KNOCK SENS SIG AIR FLAP SIG MAF SENS PWR OUT OUTPUT LO SIDE OUTPUT HI OUTSIDE CKP SIG HI CKP SIG LO NCA WIRE PNK EXHT CAMSHAFT SIG WIRE PNK WIRE PRESSURE SENSOR (RIGHT FRONT OF ENGINE) RADIO INTERFERENCE SUPPRESSION CAPACITOR (TOP OF ENGINE) RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE SIG OUTPUT LO SIDE SIG OUTPUT HI SIDE GEN SIG STARTING/ CHARGING SYSTEM TO SPARK PLUGS VIO WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

ACCELERATOR PEDAL SENSOR (ABOVE PEDAL ASSEMBLY) ACTIVATED CHARCOAL FILTER SHUTOFF VALVE (ABOVE RIGHT REAR WHEELWELL) APS VLV VIMS VLV BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CLUTCH PEDAL SWITCH FUEL TANK PRESSURE SENSOR (UNDER LEFT REAR SEAT) COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DATA LINK CONNECTOR DIAG EGR ENGINE CONTROL MODULE (ME-SFI) (LEFT REAR OF ENGINE COMPT) FTP - CAN L FTP SIG FUEL INJECTORS FUEL PUMP ACF VLV AIR PUMP FAN GEN GENERATOR GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE INJ 5 INJ 2 INJ 6 INJ 3 KICKDOWN SWITCH (INCORPORATED W/ ACCELERATOR PEDAL ASSEMBLY) KICKDWN NCA WIRE P/N RED/BLU WIRE RED/GRN WIRE TNA VARIABLE INTAKE MANIFOLD SWITCHOVER VALVE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE YEL WIRE YEL/BRN WIRE

ACCELERATOR PEDAL SENSOR (ABOVE PEDAL ASSEMBLY) ACTIVATED CHARCOAL FILTER SHUTOFF VALVE (ABOVE RIGHT REAR WHEELWELL) APS VLV VIMS VLV BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CLUTCH PEDAL SWITCH FUEL TANK PRESSURE SENSOR (UNDER LEFT REAR SEAT) COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DATA LINK CONNECTOR DIAG EGR ENGINE CONTROL MODULE (ME-SFI) (LEFT REAR OF ENGINE COMPT) FTP - CAN L FTP SIG FUEL INJECTORS FUEL PUMP ACF VLV AIR PUMP FAN GEN GENERATOR GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE INJ 5 INJ 2 INJ 6 INJ 3 KICKDOWN SWITCH (INCORPORATED W/ ACCELERATOR PEDAL ASSEMBLY) KICKDWN NCA WIRE P/N RED/BLU WIRE RED/GRN WIRE TNA VARIABLE INTAKE MANIFOLD SWITCHOVER VALVE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE YEL WIRE YEL/BRN WIRE