Mercedes-Benz C-class AMG W203/S203/CL203 (2001-2004) fuse 4 Wiring diagrams

1 2 9 10 31 30 CAN L CAN H 2 3 1 2 4 1 30 FZU A-ST 3 4 2 5 6 SIG 4 3 2 30 FZU A-ST 4 5 CAN L CAN H 4 6 LOW BEAM LOW BEAM 6 11 2 12 PARK LAMP TURN LAMP PARK LAMP TURN LAMP 7 8 TURN SIG TURN SIG ALARM SIGNAL HORN AMPLIFIER MODULE ATA HOOD SWITCH ATA INCLINATION SENSOR BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COUPE, SEDAN 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 FUSE 8 GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOOD SW HOT AT ALL TIMES LEFT FRONT DOOR CONTACT SWITCH LEFT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) LOCK PAWL ROTARY TUMBLER SWITCH 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 RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTACT SWITCH RIGHT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) ROOF DRIVE SYSTEM SEDAN, COUPE SEDAN, COUPE WAGON SIG TRUNK LID CENTRAL LOCKING MOTOR TRUNK LID CONTACT SWITCH TRUNK LID EMERGENCY RELEASE SWITCH TRUNK LID EXTERNAL OPERATION SWITCH VIO/BLU WIRE WAGON COUPE WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 9 10 8 31 30 CAN L CAN H 31 11 12 CAN-B H CAN-B L 4 5 CAN L CAN H 6 7 CAN-B H CAN-B L BLK WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CTSY LMP EXCEPT WAGON FRONT DOME 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 FUSE 47 GLOVE COMPARTMENT SWITCH, LAMP HOT AT ALL TIMES HOT IN RUN OR START LEFT FRONT DOOR CONTACT SWITCH LEFT FRONT DOOR CONTROL MODULE LEFT FRONT DOOR ENTRANCE, EXIT LAMP LEFT READING LEFT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) LEFT REAR DOOR CONTROL LEFT REAR DOOR ENTRANCE, EXIT LAMP LEFT VANITY MIRROR LAMP OVERHEAD CONTROL PANEL CONTROL MODULE PNK/RED WIRE REAR DOME REAR DOME LAMP REAR DOME LAMP LEFT TRUNK LAMP REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTACT SWITCH RIGHT FRONT DOOR CONTROL MODULE RIGHT FRONT DOOR ENTRANCE, EXIT LAMP RIGHT READING RIGHT REAR DOOR CONTACT SWITCH (SEDAN, WAGON) RIGHT REAR DOOR CONTROL MODULE RIGHT REAR DOOR ENTRANCE, EXIT LAMP RIGHT TRUNK LAMP RIGHT VANITY MIRROR LAMP TRUNK AJAR TRUNK LAMP (EXCEPT WAGON) TRUNK LID CONTACT SWITCH VIO/BLU WIRE WAGON YEL WIRE

2 1 CAN L CAN H 2.6L 3.2L 4 5 CAN L CAN H BLK WIRE BLU/YEL WIRE BRAKE BOOSTER VACUUM PUMP CONTROL MODULE BRN WIRE BRN/RED WIRE BRN/WHT WIRE COMAND OPERATING, DISPLAY, CONTROL MODULE COMPUTER DATA LINES SYSTEM (HIGH/LOW BUS CIRCUIT) DATALINK CONNECTOR (UNDER LEFT SIDE OF DASH) DI CONTROL MODULE DIAG ENGINE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) ETC CONTROL MODULE (UNDER RIGHT SIDE OF DASH) 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 62 GRN/BLK WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/RED WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT HEADLAMP UNIT RIGHT HEADLAMP UNIT PNK/RED WIRE RADIO TELEPHONE, TELE AID TRANSMITTER/ RECEIVER RED WIRE RED/GRN WIRE W/ COMAND W/O COMAND WHT/BRN WIRE WHT/GRN WIRE WHT/YEL 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

AIR PUMP RELAY ANTI-LOCK BRAKES SYSTEM BLA BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE CIRCUIT CIRCUIT 15 RELAY CIRCUIT 87 RELAY (CHASSIS) CIRCUIT 87 RELAY (ENGINE) CRASH DIAG FANFARE HORNS RELAY FROM FUSE 42 (DIAGRAM 1 OF 3) 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 44 FUSE 46 FUSE 47 FUSE 48 FUSE 49 FUSE 50 FUSE 51 FUSE 45 FUSE 52 FUSE 53 FUSE 54 FUSE 55 FUSE 56 FUSE 57 FUSE 6 FUSE 62 FUSE 65 40 GRN WIRE GRY WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES PNK/BLK WIRE RANGE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY STARTER RELAY STARTING SYSTEM ENGINE CONTROLS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TELEPHONE, TELE AID TRANSMITTER TO PIN 1, TO PIN 2, TO PIN 3, TO PIN 4, TO PIN 6, TO PIN 8, TO PIN 8, TO PIN 4, TO PIN 9, TRANSMISSION SYSTEM VIO WIRE VSS LF VSS RF WIPER WIPER ON/OFF RELAY WIPER STAGE 1-2 RELAY WIPER/WASHER SYSTEM YEL WIRE

17 18 12 13 CAN-B L CAN-B H CAN-B L CAN-B H 2 1 CAN L CAN H 4 5 CAN L CAN H 6 5 2 1 4 3 R LO BEAM R HI BEAM R FOG L FOG L LO BEAM L HI BEAM 9 10 CAN-B L CAN-B H AMBIENT LIGHT, ROAD AHEAD SENSORS AUTOMATIC LIGHT SWITCH DAYLIGHT SENSOR (FRONT OF HEADLINER) BLK WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS FOG LAMP FOG LAMP IND 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 62 FUSE 63 GRN WIRE GRN/BLK WIRE GRN/PNK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/YEL WIRE HEAD AUTO HEADLAMP WASH HIGH BEAM INDICATOR HIGH BEAM LOW BEAM HOT AT ALL TIMES HOT IN RUN OR START IN OUT INSTRUMENT CLUSTER LAMP SWITCH MODULE LEFT FRONT FOG LAMP RIGHT FRONT FOG LAMP LEFT HEADLAMP UNIT LEFT RIGHT MIRROR FOLD- MIRROR SELECT MIRROR ADJUST OVERHEAD CONTROL PANEL CONTROL MODULE PARK OFF RED WIRE RED/YEL WIRE RIGHT HEADLAMP UNIT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

17 18 12 13 CAN-B L CAN-B H CAN-B L CAN-B H 2 1 CAN L CAN H 4 5 CAN L CAN H 6 5 2 4 3 1 R LO BEAM R HI BEAM R FOG L LO BEAM L HI BEAM L FOG 9 10 CAN-B L CAN-B H AMBIENT LIGHT, ROAD AHEAD SENSORS AUTOMATIC LIGHT SWITCH DAYLIGHT SENSOR (FRONT OF HEADLINER) BLK WIRE BLK/GRN WIRE BLK/PNK WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DIAG EXTERIOR LAMPS FOG LAMP FOG LAMP IND FRONT AXLE SENSOR 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 HEAD AUTO HEADLAMP RANGE ADJUSTMENT MOTOR HEADLAMP WASH HIGH BEAM INDICATOR HIGH XENON BEAM XENON BEAM HOT AT ALL TIMES HOT IN RUN OR START IN OUT INSTRUMENT CLUSTER LAMP SWITCH MODULE LEFT FRONT FOG LAMP LEFT HEADLAMP UNIT LEFT RIGHT MIRROR FOLD- MIRROR SELECT MIRROR ADJUST OVERHEAD CONTROL PANEL CONTROL MODULE PARK OFF REAR AXLE SENSOR RED WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT FOG LAMP RIGHT HEADLAMP UNIT WHT WIRE WHT/BLK WIRE WHT/RED WIRE XENON CONTROL MODULE XENON IGNITION MODULE XENON CONTROL MODULE XENON IGNITION MODULE HIGH XENON BEAM XENON BEAM YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

10 11 13 12 9 8 CAN-C H CAN-C L CAN-B H CAN-B L 30 31 BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H CLOCK- SPRING COMPUTER DATA LINES SYSTEM FANFARE HORNS FANFARE HORNS RELAY FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 6 FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 4 GRN WIRE GRN/WHT WIRE HORN SWITCH HOT AT ALL TIMES LEFT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP NCA WIRE RED WIRE RED/BLU WIRE RELAY RELAY RELAY RIGHT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP STEERING COLUMN MODULE STR WHL 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/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 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 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 17 FUSE 2 FUSE 2 FUSE 1 FUSE 20 FUSE 4 FUSE 8 GRN WIRE GRN/GRY WIRE HOT AT ALL TIMES INTERIOR SOCKET KPR NA LF DOOR FUEL LVL CRASH FUEL LVL LR DOOR RF DOOR RR DOOR PASSIVE RESTRAINTS SYSTEM PASSIVE RESTRAINTS SYSTEM PNK LF COMFORT RF COMFORT WIRE PNK/RED WIRE POWER WINDOWS SYSTEM REAR DEFOGGER RELAY REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RELAY SEATS SYSTEM SEATS SYSTEM WIPER/ WASHER SYSTEM SIG SIG TELEPHONE WIRING VIO/BLU WIRE

BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAMSHAFT HALL SENSOR (RIGHT FRONT OF ENGINE) CAN L CIRCUIT 87 RELAY (ENGINE) COMPUTER DATA LINES SYSTEM CPP FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 2 FUEL PUMP FUEL PUMP ASSEMBLY FUEL PUMP RELAY FUSE 4 FUSE 54 FUSE 53 FUSE 53 FUSE 6 GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES LEFT FUEL LEVEL SENSOR NCA WIRE OXYGEN SENSOR 1 (UPSTREAM TWC) (ON EXHAUST PIPE) OXYGEN SENSOR 2 (DOWNSTREAM TWC) (ON EXHAUST PIPE) PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT FUEL LEVEL SENSOR TNA VIO/BLU WIRE VIO/WHT WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE