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

1 2 CAN B L CAN B H 1 2 MOST 1 2 3 4 5 6 7 8 9 10 11 12 13 IN OUT 30 WAKE UP 4 5 CAN L CAN H BLK WIRE BLU/BLK WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMMAND OPERATING, DISPLAY, CONTROL MODULE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT (W/O SOUND SYSTEM) (FRONT OF CARGO AREA) FAN MOTOR 1 WALKMAN SEPERATION POINT FAN MOTOR 2 FRONT PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL UNIT, WITH FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 GPS 1 2 3 4 5 6 7 8 GRN WIRE HOT AT ALL TIMES MUTE NCA WIRE ORG/ WIRE PNK WIRE RADIO ADDITIONAL FAN (FRONT OF CENTER CONSOLE) REAR SAM CONTROL UNIT WITH FUSE, RELAY MODULE (AT LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE SCREEN ANTENNA AMPLIFIER MODULE 1 (WAGON) (LEFT REAR OF ROOF) SCREEN ANTENNA AMPLIFIER MODULE 2 (TOP LEFT OF TAILGATE) WAGON COUPE, SEDAN WAKE UP SIGNAL CONNECTOR WHT WIRE YEL WIRE YEL/BLK WIRE ZF 1 2 3 4 5 6 7 8 9 10 11 12

1 2 CAN B L CAN B H 1 2 MOST 1 2 3 4 5 6 7 8 9 10 11 12 13 IN OUT 30 WAKE UP 4 5 CAN L CAN H BLK WIRE BLU/BLK WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMMAND OPERATING, DISPLAY, CONTROL MODULE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT (W/O SOUND SYSTEM) (FRONT OF CARGO AREA) FAN MOTOR 1 WALKMAN SEPERATION POINT FAN MOTOR 2 FRONT PRE-FUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL UNIT, WITH FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 GPS 1 2 3 4 5 6 7 8 GRN WIRE HOT AT ALL TIMES MUTE NCA WIRE ORG/ WIRE PNK WIRE RADIO ADDITIONAL FAN (FRONT OF CENTER CONSOLE) REAR SAM CONTROL UNIT WITH FUSE, RELAY MODULE (AT LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE SCREEN ANTENNA AMPLIFIER MODULE 1 (WAGON) (LEFT REAR OF ROOF) SCREEN ANTENNA AMPLIFIER MODULE 2 (TOP LEFT OF TAILGATE) WAGON COUPE, SEDAN WAKE UP SIGNAL CONNECTOR WHT WIRE YEL WIRE YEL/BLK WIRE ZF 1 2 3 4 5 6 7 8 9 10 11 12

1 MOST IN 2 MOST OUT BASS MODULE LOUD SPEAKER (SEDAN) BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/WHT WIRE CD CHANGER EMERGENCY CALL SYSTEM CONTROL UNIT (FRONT OF CARGO AREA) GPS GPS ANTENNA (WAGON: AT TOP LEFT OF TAILGATE) GPS ANTENNA SPLITTER GRN WIRE LEFT FRONT DOOR MIRROR TRIANGLE SPEAKER (WAGON) (SEDAN) (COUPE) LEFT FRONT DOOR SPEAKER (WAGON) (SEDAN) (COUPE) LEFT REAR DOOR SPEAKER (WAGON) (SEDAN) (COUPE) NCA WIRE ORG/ WIRE PNK WIRE RIGHT FRONT DOOR MIRROR TRIANGLE SPEAKER (WAGON) (SEDAN) (COUPE) RIGHT FRONT DOOR SPEAKER (WAGON) (SEDAN) (COUPE) RIGHT REAR DOOR SPEAKER (WAGON) (SEDAN) (COUPE) SOUND AMPLIFIER W/O SOUND SYSTEM WHT WIRE

1 MOST IN 2 MOST OUT BASS MODULE LOUD SPEAKER (SEDAN) BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/WHT WIRE CD CHANGER EMERGENCY CALL SYSTEM CONTROL UNIT (FRONT OF CARGO AREA) GPS GPS ANTENNA (WAGON: AT TOP LEFT OF TAILGATE) GPS ANTENNA SPLITTER GRN WIRE LEFT FRONT DOOR MIRROR TRIANGLE SPEAKER (WAGON) (SEDAN) (COUPE) LEFT FRONT DOOR SPEAKER (WAGON) (SEDAN) (COUPE) LEFT REAR DOOR SPEAKER (WAGON) (SEDAN) (COUPE) NCA WIRE ORG/ WIRE PNK WIRE RIGHT FRONT DOOR MIRROR TRIANGLE SPEAKER (WAGON) (SEDAN) (COUPE) RIGHT FRONT DOOR SPEAKER (WAGON) (SEDAN) (COUPE) RIGHT REAR DOOR SPEAKER (WAGON) (SEDAN) (COUPE) SOUND AMPLIFIER W/O SOUND SYSTEM WHT WIRE

1 2 3 15 XENON DIAGNOS VSS LF SIG OUT 1 2 3 4 5 6 7 8 9 10 DIAG 1 2 3 4 5 6 L FOG R FOG L HI L LO R HI R LO 1 2 3 CRASH SIG 1 2 A/C COMP 1 2 PNK DIAG WIRE A/C SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/WHT 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/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN-B L CAN-B H BACKUP COMPUTER DATA LINES SYSTEM COOL LVL CPP DIAG DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DI CONTROL MODULE DIAG DLC ECM ECM DLC EMERGENCY CALL SYSTEM CONTROL UNIT (FRONT OF CARGO AREA) ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM WARNING SYSTEMS WARNING SYSTEMS EXTERIOR LIGHTS SYSTEM FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM (XENON) LAMP SW LAMP SW LAMP SW LAMP SW LAMP SW LF MARK RF MARK BRK LVL PARK BRK NAVIGATION SYSTEM PNK WIRE R PRESS R PRESS FAN SRA R PRESS RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RF TURN LF PARK TRANSMISSION SYSTEM TRANSMISSION SYSTEM COMPUTER DATA LINES SYSTEM VIO/YEL WIRE WASH LVL WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/PNK WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE

1 2 MOST 24 IN OUT 1 2 MOST IN OUT 1 MOST 16 IN 2 MOST OUT 3 1 2 MOST WAKE UP MOST IN MOST OUT BLU/BLK WIRE BRN WIRE CD CHANGER (IN GLOVE COMPT) FUSE 24 HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) ORG/ WIRE PNK WIRE RADIO RED WIRE RED/PNK WIRE SDAR CONTROL UNIT (AT RIGHT REAR OF TRUNK) SOUND AMPLIFIER WAKE UP SIGNAL CONNECTOR WAKE-UP

BACK AFT REST SWITCH BACKREST FORE/AFT MOTOR BLK WIRE BLU WIRE BRN WIRE DOWN DOWN SEAT HEIGHT SWITCH DRIVER PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH DRIVER' SEAT ADJUSTMENT SWITCH FORE/ HOT IN RUN, ACC OR START HOT IN RUN, ACC OR START FUSE 1 PNK WIRE RED WIRE RIGHT FRONT DOORSILL) SEAT HEIGHT SWITCH SEAT HEIGHT UP/DOWN MOTOR WHT WIRE YEL WIRE

1 2 MOST MOST IN MOST OUT 30 WAKE UP BASS MODULE LOUDSPEAKER BLK WIRE BLU/BLK WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CAN B L MUTE CAN B H 31 CD CHANGER (IN GLOVE COMPT) COMPUTER DATA LINES SYSTEM NAVIGATION SYSTEM COMPUTER DATA LINES SYSTEM COUPE EARLY FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 24 GRN WIRE HOT AT ALL TIMES INTERIOR FUSE BOX (LEFT END OF DASH) LATE LEFT FRONT DOOR MIRROR TRIANGLE SPEAKER LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER MOST BUS CIRCUIT NCA WIRE ORG/ WIRE PNK WIRE RADIO RED WIRE RED/BLU WIRE RED/PNK WIRE RIGHT FRONT DOOR MIRROR TRIANGLE SPEAKER RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER SEDAN, COUPE WAGON WAGON SEDAN WAKE-UP WALKMAN SEPARATION POINT WHT WIRE YEL WIRE YEL/BLK WIRE ZF 1 2 3 4 5 6 7 8 9 10 11 12

1 2 MOST MOST IN MOST OUT BLU/BLK WIRE BRN WIRE EARLY PRODUCTION LATE PRODUCTION GRN WIRE GRY WIRE HANDS-FREE SYSTEM MICROPHONE GROUP MIC 2+ MIC GND NCA WIRE ORG/ WIRE PNK MIC 1 MIC 3 MIC 4 WIRE PNK WIRE REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/ CARGO AREA) RED/BLK WIRE SHIELD VIO WIRE VOICE CONTROL SYSTEM CONTROL MODULE (WAGON: AT FRONT OF CARGO AREA) WAKE UP 31

A_T_DCM A_T_DCP A_T_ECO BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/VIO WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/VIO WIRE BRN/YEL WIRE DOWNSTREAM TWC (KAT) D_S_KW OUT ENGINE SEPARATION E_A_DS E_F_KWGA E_F_KWGB E_S_FSOEL GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/ORG WIRE GRY/WHT WIRE GRY/YEL WIRE HEATING SYSTEM SHUTOFF VALVE HFM HOT FILM MAF SENSOR INTAKE MANIFOLD TUMBLE FLAP SWITCHOVER VALVE LEFT OIL LEVEL CAMSHAFT SWITCH EXHAUST (LEFT SIDE SOLENOID OF OIL PAN) ME-SFI CONTROL MODULE (AT LEFT REAR OF ENGINE COMPT) NCA WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/VIO WIRE PNK/YEL WIRE POWER STEERING PUMP PRESSURE REGULATOR VALVE RADIO INTERFERENCE SUPPRESSION CAPACITOR 2 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE THREE DISK THERMOSTAT VALVE UPSTREAM TWC (KAT) VARIABLE INTAKE MANIFOLD SWITCHOVER VALVE VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE YEL/GRY WIRE YEL/WHT WIRE