Mercedes-Benz C-class W202 facelift (1997-2001) (or Wiring diagrams

2 6 3 1 30 CAN H CAN L 31 COMPUTER DATA LINES SYSTEM BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN-H- CAN-L- CAN-L CAN-H COMPUTER DATA LINES SYSTEM FRONT DRIVER-SIDE DOOR CONTROL MODULE FRONT PASSENGER SIDE DOOR CONTROL MODULE FUSE 2 FUSE 3 FUSE 4 FUSE 6 FUSE 8 FUSE 9 FUSE, RELAY BOX (ON LEFT REAR OF ENGINE COMPT) FUSE 23 GLOVE COMPARTMENT ILLUMINATION WITH SWITCH GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC, RUN OR START INSTRUMENT CLUSTER LEFT FRONT DOOR SWITCH LEFT FRONT ENTRANCE/ EXIT LAMP LEFT REAR DOOR SWITCH LEFT SUN VISOR (W/ILLUMINATED VANITY MIRROR) PNK WIRE PNK/GRN WIRE POWER DISTRIBUTION SYSTEM PSE CONTROL MODULE (ON RIGHT SIDE REAR OF TRUNK) REAR DOME LAMP REAR FUSE BOX (ON RIGHT SIDE OF TRUNK) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DOOR SWITCH RIGHT FRONT ENTRANCE/ EXIT LAMP RIGHT REAR DOOR SWITCH RIGHT SUN VISOR (W/ILLUMINATED VANITY MIRROR) ROOF CONTROL UNIT CONTROL MODULE SOLID STATE TRUNK LAMP TRUNK LAMP SWITCH WHT WIRE

1 2 PNK WIRE A/C PUSHBUTTON CONTROL MODULE ABS MIL ASR MIL W/ ASR ASR WARNING INDICATOR BAS INDICATOR BAS/ASR MIL BAS/ESP MIL BLK WIRE BLK/GRN WIRE BLK/RED (OR BLK/GRY) WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE PAD WEAR INDICATOR BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ECL SWITCH (ON BOTTOM OF COOLANT RESERVOIR) ECT GAUGE ELECTRONIC CLOCK ELECTRONIC IGNITION- STARTER SWITCH (EIS) CONTROL MODULE ELECTRONIC SPEEDO- METER ESP MIL EXTERIOR LAMP FAILURE INDICATOR EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FUEL LEVEL GAUGE FUEL RESERVE INDICATOR FUSE 19 FUSE 30 FUSE 4 FUSE, RELAY BOX (ON LEFT REAR OF ENGINE COMPARTMENT) GENERATOR CHARGE INDICATOR GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN OFF, ACC, RUN OR START HYDRAULIC FLUID LEVEL INDICATOR ILLUMINATION (3 BULBS) INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION (4 BULBS) INSTRUMENT ILLUMINATION RHEOSTAT LEFT FRONT DOOR SWITCH LEFT FRONT SEAT BELT BUCKLE SWITCH (SEAT BELT REMINDER) LEFT FUEL LEVEL SENSOR (ON LEFT SIDE OF FUEL TANK) LEFT TURN SIGNAL INDICATOR LOW BRAKE FLUID LEVEL/ PARKING BRAKE INDICATOR LOW ECL INDICATOR LAMP LOW ENGINE OIL LEVEL INDICATOR LOW WINDSHIELD WASHER FLUID LEVEL INDICATOR NCA WIRE OUTSIDE TEMPERATURE INDICATOR PINS 6, 7 JUMPERED TOGETHER BY PINS 31, 32 PNK 7 6 WIRE PNK WIRE PNK/WHT WIRE PSE CONTROL MODULE RED WIRE RED/YEL WIRE RIGHT FUEL LEVEL SENSOR (ON RIGHT SIDE OF FUEL TANK) RIGHT TURN SIGNAL INDICATOR SEAT BELT REMINDER INDICATOR SOLID STATE SPEED WARNING BUZZER SRS CONTROL MODULE SRS CONTROL MODULE (ON TRANSMISSION TUNNEL, FORWARD OF SHIFTER) SRS MIL, CONTROL STARTING/CHARGING SYSTEM TACHO- METER W/ ESP ESP WARNING INDICATOR WARNING BUZZER WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH (ON WINDSHIELD WASHER FLUID RESERVOIR) YEL WIRE YEL/BLU WIRE

A/C SYSTEM BATTERY BLK WIRE BLU WIRE BRN WIRE CF RELAY MODULE, CIRCUIT 302 FUSE COMBINATION SWITCH CTEL INTERFACE DATA LINK CONNECTORS (OBD II, DTC READOUT) DRIVER'S SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE EMERGENCY CALL CONTROL MODULE, MIRRORS SYSTEM, ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM TRANSMISSION RANGE RECOGNITION SWITCH ESC CONTROL MODULE EXTERIOR LAMP SWITCH EXTERIOR LIGHTS SWITCH EXTERIOR LIGHTS SYSTEM, FRONT CIGAR LIGHTER FUSE 1 FUSE 2 FUSE 11 FUSE 10 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 17 FUSE 18 FUSE 22 FUSE 23 FUSE 27 FUSE 3 FUSE 16 FUSE 4 FUSE 5 FUSE 6 7.5 FUSE FUSE 19 FUSE, RELAY BOX (LEFT REAR OF ENG COMPT) FUSE/ RELAY BOX GLOVE COMPARTMENT LAMP, GARAGE DOOR OPENER GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HEATED SEATS CIRCUIT HORN RELAY WIPER STAGE 2 RELAY IGNITION COILS FUSE INSTRUMENT CLUSTER, EXTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER, MIRRORS SYSTEM LEFT FOOTWELL) MIRRORS SYSTEM NCA WIRE PASSENGER'S SIDE FUSE, RELAY MODULE BOX (RIGHT REAR OF ENG COMPT) PNK PNK WIRE PNK WIRE PNK/RED WIRE PNK/YEL WIRE POLARITY PROTECTION RELAY POWER TOPS SYSTEM REAR WINDOW SUNSHADE SWITCH, NAVIGATION PROCESSOR, RED WIRE SEATS SYSTEM SENSOR SOUND SYSTEMS, CTEL TRANSMITTER/ RECEIVER, NAVIGATION UNIT SOUND SYSTEMS, CTEL TRANSMITTER/ RECEIVER, NAVIGATION UNIT SOUND SYSTEMS STARTER STARTER RELAY STEERING ANGLE STEERING LOCK SUPPLEMENTAL RESTRAINTS SYSTEM TERMINAL TO REAR FUSE BOX (DIAGRAM 2 OF 2) TO TERMINAL ULTRASONIC PTS CONTROL MODULE VIO WIRE WASHER NOZZLE HEATING FUSE WASHER PUMP FUSE WHT WIRE WINDSHIELD WASHER RELAY WIPER STAGE 1 RELAY WIPER STAGE 1-2 FUSE WIPER/ WASHER SYSTEM YEL WIRE

A/C SYSTEM ANTI- CTEL THEFT TRANSMITTER- SYSTEM RECEIVER, EMERGENCY CALL CONTROL MODULE ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE BLU/YEL WIRE CF RELAY MODULE, DRIVER'S SIDE DOOR CONTROL MODULE DRIVER'S SIDE FUSE, RELAY MODULE BOX FP RELAY PSE MODULE CONTROL MODULE FROM BATTERY (DIAGRAM 1 OF 2) FROM TERMINAL FRONT PASSENGER'S SIDE DOOR CONTROL MODULE FUSE FUSE 1 FUSE 2 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 28 FUSE 29 FUSE 3 FUSE 37 FUSE 4 FUSE 40 FUSE 41 FUSE 5 FUSE 6 FUSE 7 FUSE 7 FUSE 8 FUSE 8 FUSE 9 FUSE FUSE 38 RELAY BOX (LEFT REAR OF ENG COMPT) GRN WIRE GRY WIRE HIGH PRESSURE/ RETURN PUMP RELAY HORN HCS RELAY PUMP RELAY INSTRUMENT CLUSTER, A/C SYSTEM LEFT FOOTWELL) NCA WIRE OIL COOLER FAN RELAY PNK/WHT WIRE PSE CONTROL MODULE REAR FUSE BOX (RIGHT SIDE OF TRUNK) RED WIRE RED/GRY WIRE RELAY BOX (LEFT REAR OF ENG COMPT) FUSE 30 RESERVE FUSE ROOF CONTROL PANEL CONTROL MODULE SEATS SYSTEM SIGNAL PICK-UP, ACTIVATION MODULE STEERING SNGLE SENSOR TERMINAL TERMINAL BLOCK VIO WIRE W/ IR, ATA W/ IR, ATA W/ RIGHT ESA W/ LEFT ESA WHT WIRE YEL WIRE