Mercedes-Benz C-class AMG W203/S203/CL203 (2001-2004) upper control panel control module Wiring diagrams

1 2 1 11 42 41 CAN-B H CAN-B L 1 6 5 8 7 ESA CAN-B H CAN-B L CAN-B H CAN-B L 1.8L 2.6L, 3.2L 2.3L 11 12 CAN-B H CAN-B L 17 18 12 13 CAN-B L CAN-B H CAN-B L CAN-B H 2 3 DOOR MOTOR DOOR MOTOR 3 4 CAN-B L CAN-B H 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 BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DI CONTROL MODULE (PROVIDES DRIVE-AWAY PROTECTION) DISPLAY ELECTRONIC STEERING LOCK MODULE (ON STEERING COLUMN) ESA FUSE 21 FUSE 22 FUSE 33 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INTERIOR CENTRAL LOCKING SWITCH 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) ME-SFI CONTROL MODULE (PROVIDES DRIVE-AWAY PROTECTION) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT 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 (SEAN, WAGON) UPPER CONTROL PANEL CONTROL MODULE WHT WIRE WHT/RED WIRE

1 2 CAN B L CAN B H 2 4 1 3 AMBIENT LIGHT, ROAD AHEAD SENSORS 24 25 23 R LICENSE L LICENSE CHMSL 3 4 CAN-B L CAN-B H 5 6 7 6 CAN-B L CAN-B H CAN-B L CAN-B H 9 10 CAN-B L CAN-B H AUTOMATIC LIGHT SWITCH DAYLIGHT SENSOR (FRONT OF HEADLINER) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE CENTER HIGH MOUNT STOP LAMP RIGHT REAR SIDE MARKER LAMP (COUPE) COMBINATION SWITCH COMPUTER DATA LINES SYSTEM COUPE, SEDAN, WAGON DI CONTROL MODULE FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 2 FUSE 4 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HAZARD SWITCH HOT AT ALL TIMES LEFT REAR SIDE MARKER LAMP (COUPE) LEFT TAILLAMP UNIT OVERHEAD CONTROL PANEL CONTROL MODULE PNK CAN-B H WIRE PNK WIRE PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/YEL WIRE RIGHT LICENSE PLATE LAMP LEFT LICENSE PLATE LAMP RIGHT TAILLAMP UNIT TAIL/ PARK LAMP BACK- UP LAMP STOP LAMP TURN SIGNAL LAMP TURN SIGNAL SWITCH UPPER CONTROL PANEL CONTROL MODULE VIO WIRE VIO/BLU WIRE WHT WIRE YEL WIRE

1 2 3 4 31 30 CAN-B L CAN-B H 4 1 2 30 RF HTD SEAT LF HTD SEAT BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/RED WIRE COMFORT AAC PUSHBUTTON CONTROL MODULE COMPUTER DATA LINES SYSTEM FUSE 25 FUSE 41 GRN WIRE HOT AT ALL TIMES INTERIOR FUSE BOX (UNDER LEFT END OF DASH) LEFT FRONT HEATED BACKREST CUSHION LEFT FRONT HEATED SEAT CUSHION LEFT FRONT HEATED SEAT SWITCHES NCA WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT FRONT HEATED BACKREST CUSHION RIGHT FRONT HEATED SEAT CUSHION RIGHT FRONT HEATED SEAT SWITCHES UPPER CONTROL PANEL CONTROL MODULE

1 11 CAN-C H CAN-C L 1 2 3 CAN H CAN L 1 2 CAN H CAN L 1 2 CAN-B H CAN-B L 10 11 CAN-C H CAN-C L 10 9 CAN-B H CAN-B L 12 13 CAN-B L CAN-B H 13 12 CAN-C H CAN-C L 16 15 CAN-C H CAN-C L 18 17 CAN B H CAN B L 2 1 CAN L CAN H 2.3L 2.6L, 3.2L 4 3 CAN-B H CAN-B L 4 3 CAN-C L CAN-C H 41 40 CAN C H CAN C L 6 5 CAN-C H CAN-C L 7 6 CAN-C H CAN-C L 8 7 CAN-B H CAN-B L AAC PUSHBUTTON CONTROL MODULE BRAKE BOOSTER VACUUM PUMP CONTROL MODULE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN DATABUS ADAPTER CONNECTOR (BEHIND LEFT KICK PANEL) COCKPIT VOLTAGE DISTRIBUTOR CONNECTOR (UNDER LEFT SIDE OF DASH) DI CONTROL MODULE ELECTRONIC SELECTOR LEVER CONTROL MODULE (BASE OF GEAR SELECTOR LEVER) ENGINE CONTROL MODULE (ME-SFI) (LEFT REAR OF ENGINE COMPT) ESP, BAS CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ETC CONTROL MODULE (W/ A/T) (UNDER RIGHT SIDE OF DASH) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER OVERHEAD CONTROL PANEL CONTROL MODULE STEERING COLUMN MODULE (2002 LATE PROD) (AT TOP OF STEERING COLUMN) STEERING COLUMN MODULE (2002 LATE PRODUCTION) UPPER CONTROL PANEL CONTROL MODULE

12 11 CAN-B L CAN-B H 3 4 5 ILLUM CAN L CAN H 7 6 CAN-B L CAN-B H AUTOMATIC TRANSMISSION PROGRAM SELECTOR PUSHBUTTON BLK WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN L CAN H ILLUM CENTER AIR OUTLET ILLUMINATION CLOCK- SPRING COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS FOG LAMP FOG LAMP IND FRONT ASHTRAY ILLUMINATION FRONT CIGAR LIGHTER FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 4 FUSE 50 FUSE 51 FUSE 62 FUSE 63 GRN WIRE GRN/BLK WIRE GRN/PNK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLAMP WASH HOT AT ALL TIMES HOT IN RUN OR START ILLUM ILLUMINATION ILLUMINATION RHEOSTAT IN OUT INSTRUMENT CLUSTER LAMP SWITCH MODULE LEFT AIR OUTLET ILLUMINATION LEFT REAR DOOR CONTROL MODULE LEFT REAR POWER WINDOW SWITCH LEFT RIGHT LOWER CONTROL FIELD CONTROL MODULE MB-INFO, BREAKDOWN ASSISTANCE BUTTON GROUP MIRROR FOLD- MIRROR SELECT MIRROR ADJUST NCA WIRE PARK HEAD OFF AUTO REAR BLOWER ELECTRONIC SELECTOR WHEEL RED WIRE RIGHT AIR OUTLET ILLUMINATION RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR DOOR CONTROL MODULE RIGHT REAR POWER WINDOW SWITCH SOS PUSH BUTTON SWITCH STEERING WHEEL MULTI- FUNCTION SWITCHES (2001, 2002 EARLY PRODUCTION) UPPER CONTROL PANEL CONTROL MODULE YEL WIRE

10 10 (2001, 2002 EARLY PROD) (2002 LATE PROD) 9 1 (2001, 2002 EARLY PROD) (2002 LATE PROD) BATTERY BLK WIRE BLU WIRE BRAKE BOOSTER VACUUM PUMP CONTROL MODULE CENTRAL GATEWAY CONTROL UNIT COMFORT ACC PUSHBUTTON CONTROL MODULE, UPPER CONTROL PANEL CONTROL MODULE CTEL INTERFACE DI CONTROL MODULE (INTEGRAL W/ ELECTRONIC IGNITION STARTER SWITCH) DRIVER FRONT SEAT ADJUSTMENT CONTROL MODULE ELECTRIC SUCTION FAN ENGINE, A/C W/ INTEGRATED CONTROL FROM FUSE 33 (DIAGRAM 1 OF 2) FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 1 FUSE 2 FUSE 21 FUSE 22 FUSE 23 FUSE 25 FUSE 26 FUSE 27 FUSE 29 FUSE 30 FUSE 31 FUSE 32 FUSE 33 FUSE 34 FUSE 37 FUSE 38 FUSE 4 FUSE 40 FUSE 41 FUSE 42 FUSE 5 FUSE 6 GENERATOR GRN WIRE GRY WIRE HEATING SYSTEMS RECIRCULATION UNIT INSTRUMENT CLUSTER INTERIOR FUSE BOX (UNDER LEFT END OF DASH) LEFT FRONT DOOR CONTROL MODULE PASSENGER FRONT SEAT ADJUSTMENT CONTROL MODULE PNK WIRE REAR BLOWER MOTOR CONTROL MODULE REAR LEFT DOOR CONTROL MODULE REAR RIGHT DOOR CONTROL MODULE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE RED WIRE RIGHT FRONT DOOR CONTROL MODULE SOUND AMPLIFIER STARTER MOTOR TO FUSE 34 (DIAGRAM 1 OF 2) UPPER CONTROL PANEL CONTROL MODULE VIO WIRE WHT WIRE YEL WIRE

1 2 9 10 31 30 CAN L CAN H 17 18 12 13 CAN-B L CAN-B H CAN-B L CAN-B H 2 3 FUEL CAP FUEL CAP 3 4 CAN-B L CAN-B H 4 5 CAN L CAN H BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COUPE, SEDAN DISPLAY FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUEL FILLER CAP CENTRAL LOCKING MOTOR FUSE 2 FUSE 4 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INTERIOR CENTRAL LOCKING SWITCH LEFT FRONT DOOR CONTACT SWITCH LEFT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) LOCK PAWL ROTARY TUMBLER SWITCH (COUPE, SEDAN) MOTOR W/ POSITION, OBSTRUCTION SENSORS NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RIGHT FRONT DOOR CONTACT SWITCH RIGHT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) ROOF DRIVE SYSTEM SEDAN WAGON SEDAN, COUPE TRUNK LID CENTRAL LOCKING MOTOR TRUNK LID CONTACT SWITCH TRUNK LID EMERGENCY RELEASE SWITCH TRUNK LID EXTERNAL OPERATION SWITCH UPPER CONTROL PANEL CONTROL MODULE VIO/BLU WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

1 2 CAN B L CAN B H 3 2 CAN-B L CAN-B H BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE COMFORT AAC PUSHBUTTON CONTROL MODULE COMPUTER DATA LINES SYSTEM COUPE FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 2 FUSE 20 FUSE 25 FUSE 41 GRN WIRE HOT AT ALL TIMES HTO AT ALL TIMES INTERIOR FUSE BOX (UNDER LEFT END OF DASH) REAR BLIND SWITCH REAR ROLLER BLIND MOTOR REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) REAR SCREEN BLIND RELAY (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE UPPER CONTROL PANEL CONTROL MODULE WHT 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