Mercedes-Benz C-class W203/S203/CL203 (2000-2004) (left side of trunk) Wiring diagrams

1 2 3 31 30 WAKE 1 2 AMFM CLEAR CLEAR AM/FM AM/FM 1 2 CAN B L CAN B H 1 2 GPS CLEAR GPS GPS 1 2 ZF CLEAR CLEAR ZF ZF 2 1 30 DIAG 4 3 2 30 FZU A-ST 4 5 CAN L CAN H 6 29 23 DIAG WAKE MUTE AMPLIFIER MODULE 1 (SCREEN ANTENNA) AMPLIFIER MODULE 2 (SCREEN ANTENNA) ANT BLK WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE CD PLAYER CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR AM/FM AM/FM CLEAR CLEAR ZF ZF COMAND OPERATING, DISPLAY, CONTROL MODULE COMPUTER DATA LINES SYSTEM CTEL INTERFACE (IF EQUIPPED) DIAG MUTE 30 ANT 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 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 TELE AID TRANSMITTER/ RECEIVER (FRONT OF SPARE TIRE WELL) VOICE CONTROL MODULE (IF EQUIPPED) WAKE WAKE UP SIGNAL CONNECTOR YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 CAN-B H CAN-B L 1 2 AMFM CLEAR CLEAR AM/FM AM/FM 1 2 CAN B L CAN B H 1 2 GPS CLEAR GPS GPS 1 2 ZF CLEAR CLEAR ZF ZF 2 1 30 DIAG 3 2 1 WAKE 30 31 4 3 2 30 FZU A-ST 4 5 CAN L CAN H 6 29 23 DIAG WAKE MUTE AMPLIFIER MODULE 1 (SCREEN ANTENNA) AMPLIFIER MODULE 2 (SCREEN ANTENNA) ANT BLK WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE CD PLAYER CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR AM/FM AM/FM CLEAR CLEAR ZF ZF COMPUTER DATA LINES SYSTEM CTEL INTERFACE (IF EQUIPPED) DIAG MUTE 30 ANT 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 ANTENNA (IF EQUIPPED) GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES NCA WIRE OPTIC CABLE CONNECTOR ORG/ WIRE RADIO REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE TELE AID TRANSMITTER/ RECEIVER (FRONT OF SPARE TIRE WELL) VOICE CONTROL MODULE (IF EQUIPPED) WAKE WAKE UP 30 31 WAKE UP SIGNAL CONNECTOR YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 CAN-B H CAN-B L 1 2 CAN B L CAN B H 1 2 GPS CLEAR GPS GPS 1 2 ZF 1 2 AMFM CLEAR CLEAR ZF ZF 1-2, 3-4, 5-6, 7-8) 2 1 30 DIAG 3 2 1 WAKE 30 31 4 3 2 30 FZU A-ST 4 5 CAN L CAN H 6 29 23 DIAG WAKE MUTE AMPLIFIER MODULE 1 (SCREEN ANTENNA) AMPLIFIER MODULE 2 (SCREEN ANTENNA) ANT BLK WIRE BLU/BLK WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE CD PLAYER CLEAR CLEAR CLEAR CLEAR AM/FM AM/FM CLEAR CLEAR CLEAR CLEAR AM/FM AM/FM CLEAR CLEAR ZF ZF COMPUTER DATA LINES SYSTEM CTEL INTERFACE (IF EQUIPPED) DIAG MUTE 30 ANT 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 ANTENNA (IF EQUIPPED) GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES LEFT FRONT DOOR MIRROR SPEAKER LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER NCA WIRE OPTIC CABLE CONNECTOR ORG/ WIRE PNK WIRE RADIO REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR MIRROR SPEAKER RIGHT REAR DOOR SPEAKER RIGHT FRONT DOOR SPEAKER TELE AID TRANSMITTER/ RECEIVER (FRONT OF SPARE TIRE WELL) VOICE CONTROL MODULE (IF EQUIPPED) WAKE WAKE UP 30 31 WAKE UP SIGNAL CONNECTOR WHT WIRE YEL/BLK WIRE

1 2 CAN B L CAN B H 11 15 CAN-C H CAN-C L 13 12 10 11 CAN-B H CAN-B L CAN-C H CAN-C L 30 31 2 9 10 30 CAN-B L CAN-B H 3 2 2 1 CAN-B L CAN-B H 30 31 33 34 36 37 42 43 45 46 SS RF SS RF SS LR SS LR SS RR SS RR SS LF SS LF 5 6 WIPE WASH 8 7 6 5 CAN-B H CAN-B L CAN-C H CAN-C L 30 31 9 8 CA BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE COMBINATION SWITCH COMFORT AAC PUSHBUTTON CONTROL MODULE COMPUTER DATA LINES SYSTEM DI COLUMN MODULE (2001, 2002 EARLY PRODUCTION) ESP, BAS CONTROL MODULE FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 2 FUSE 25 FUSE 31 FUSE 41 GRN WIRE GRN/WHT WIRE HI LO WIPER SWITCH HOT AT ALL TIMES INT OFF INTERIOR FUSE BOX (UNDER LEFT END OF DASH) NCA WIRE OFF OVERHEAD CONTROL PANEL CONTROL MODULE PNK/RED WIRE PNK/YEL WIRE RAIN SENSOR (FRONT OF HEADLINER) REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) REAR WASHER SWITCH REAR WIPER SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RS 31 STEERING COLUMN MODULE (2002 LATE PRODUCTION) TAILGATE WIPER MOTOR TO WHEEL SPEED SENSORS UPPER CONTROL PANEL CONTROL MODULE VIO WIRE WASHER SWITCH WASHER SWITCH WIPER SWITCH