Mercedes-Benz C-class W202 facelift (1997-2001) driver-side fuse, relay module box Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 BLWR CTRL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 DIAG 30 15 DATA 31 PUMP A/C COMPRESSOR A/C PUSHBUTTON CONTROL MODULE ASPIRATOR BLOWER BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/PNK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CMPR CLTCH DATA DRIVER-SIDE FUSE, RELAY MODULE BOX DUOVALVE ED B ED M FR B FR FUSE 20 FUSE 29 FUSE 30 FUSE 38 FUSE, RELAY BOX (ON LEFT REAR OF ENGINE COMPARTMENT) GRN WIRE GRN/BLK WIRE GRN/PNK WIRE GRN/VIO WIRE GRY/PNK WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START IN-CAR TEMPERATURE SENSOR IN-CAR TEMPERATURE SENSOR (IN DOME LIGHT ASSEMBLY) INSTRUMENT CLUSTER LEFT-SIDE WATER VALVE NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE REFRIGERANT PRESSURE SENSOR (ON RECEIVER-DRIER, BEHIND LEFT HEADLIGHT) REFRIGERANT TEMPERATURE SENSOR (ON RECEIVER-DRIER, BEHIND LEFT HEADLIGHT) RIGHT-SIDE WATER VALVE SUCTION FAN AUXILIARY FAN SUN SWITCHOVER VALVE BLOCK WHT/BRN WIRE WHT/GRN WIRE WHT/PNK WIRE WHT/VIO WIRE YEL WIRE

31 CAN H CAN L A/C SYSTEM BLOWER UNIT AIR CONTROL MODULE (IF EQUIPPED) AUXILIARY FANS (FRONT OF ENGINE COMPARTMENT) BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLOWER MOTOR BLOWER REGULATOR BLU WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN-H- CAN-L- COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE ENGINE/CLIMATE CONTROL ELECTRIC COOLING FAN GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/PNK WIRE GRY/RED WIRE HEATER CORE TEMPERATURE SENSOR (IN CONSOLE BEHIND RADIO, ON HEATER BOX) HOT AT ALL TIMES LEFT AUXILIARY FAN LEFT FRONT SIGNAL PICKUP, ACTIVATION MODULE NCA WIRE PNK 3 WIRE PWM CTRL 15 RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT AUXILIARY FAN TERMINAL WHT WIRE WHT/PNK WIRE YEL WIRE

AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM BLK WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DEFOGGER SYSTEM DRIVER-SIDE FUSE, RELAY MODULE BOX ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FUSE GRN/BLU WIRE HCS PUMP RELAY HORN RELAY HOT AT ALL TIMES OIL COOLER FAN RELAY RED/WHT WIRE SIGNAL PICK-UP, ACTIVATION MODULE WHT/GRN WIRE WINDSHIELD WASHER RELAY WIPER STAGE 1 RELAY WIPER STAGE 2 RELAY WIPER/WASHER SYSTEM YEL/BLU WIRE YEL/BRN WIRE

1 2 3 PNK WIRE 1 2 4 CAN L CAN H 13 8 B+ 2 1 10 11 3 WASHER WIPER CAN H CAN L GROUND 2 3 4 1 B+ B+ 3 6 1 CAN L CAN H GROUND 6 7 2 CAN H CAN L BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMBINATION SWITCH DRIVER-SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE FUSE 22 FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, ACC OR START INT LO LEFT HEATED WINDSHIELD WASHER NOZZLE NCA WIRE OFF PARK PNK WIRE PNK/RED WIRE PNK/YEL WIRE RAIN SENSOR REAR FUSE BOX (RIGHT SIDE OF TRUNK) FUSE 9 RED WIRE RED/BLK WIRE RIGHT HEATED WINDSHIELD WASHER NOZZLE ROOF PANEL CONTROL MODULE SAM FUSE SIGNAL PICKUP AND ACTIVATION MODULE STAR POINT COUPLER DATABUS CONNECTOR TERMINAL BLOCK VIO WIRE VIO/YEL WIRE WASHER NOZZLE HEATING FUSE WASHER PUMP FUSE WASHER PUMP MOTOR WASHER SWITCH WHT WIRE WINDSHIELD WASHER RELAY WINDSHIELD WIPER MOTOR WIPER STAGE 1 RELAY WIPER STAGE 1-2 FUSE WIPER STAGE 2 RELAY WIPER SWITCH YEL WIRE

13 9 12 B+ HCS RELAY GROUND 2 10 11 3 WASHER CAN H CAN L GROUND 2 3 B+ B+ 6 7 2 CAN H CAN L BLK WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE COMBINATION SWITCH DRIVER-SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE EXTERIOR LAMP SWITCH FUSE 22 FUSE 24 FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GRY WIRE GRY/WHT WIRE HEAD HEADLAMP CLEANING SYSTEM PUMP RELAY HEADLAMP WASHER PUMP HORN FUSE HCS PUMP FUSE HOT AT ALL TIMES HOT IN RUN, ACC OR START LEFT HEADLAMP WIPER MOTOR NCA WIRE OFF PARK RH HEAD LH OFF PARK RH LH PARK PNK WIRE RED WIRE RIGHT HEADLAMP WIPER MOTOR RUN WIRE SAM FUSE SIGNAL PICK-UP, ACTIVATION MODULE TERMINAL BLOCK VIO WIRE VIO/YEL WIRE WASH WASHER SWITCH WHT WIRE WIPER SWITCH YEL WIRE

1 1 ILLUM 11 3 LED (LEFT WHEELHOUSING IN TRUNK) 2 (OR 7) 1 4 9 CAN L CAN H ATA STATUS/TOWING/ INTERIOR PROTECTION SWITCH BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN-L CAN-H COCKPIT SWITCH GROUP COMPUTER DATA LINES SYSTEM CTEL TRANSMITTER/ RECEIVER DRIVER-SIDE FUSE, RELAY MODULE BOX ESP OFF SWITCH EXTERIOR LAMP SWITCH FRONT CIGAR LIGHTER FRONT HEATED SEAT CONTROL MODULE FUSE 17 FUSE 5 FUSE 7 FUSE, RELAY BOX (ON LEFT REAR OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE HAZARD FLASHER SWITCH HEAD LH HOT AT ALL TIMES IN DASH CONTROLLER INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION INSTRUMENT ILLUMINATION RHEOSTAT LEFT FRONT HEATED SEAT SWITCH LEFT LICENSE PLATE LAMP LEFT REAR POWER WINDOW SWITCH LOWER CONTROL FIELD CONTROL MODULE NCA WIRE OFF PARK RH OUTSIDE REARVIEW MIRROR SWITCH (WITH FOLD-IN/OUT FEATURE) PSE CONTROL MODULE PTS ON/OFF SWITCH RADIO REAR DRIVER-SIDE DOOR CONTROL MODULE REAR FUSE BOX (ON RIGHT SIDE OF TRUNK) REAR PASSENGER- SIDE DOOR CONTROL MODULE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT HEATED SEAT SWITCH RIGHT LICENSE PLATE LAMP RIGHT REAR POWER WINDOW SWITCH SOLID STATE TERMINAL TRANSMISSION RANGE RECOGNITION SWITCH ULTRASONIC PTS CONTROL MODULE VIO WIRE WHT WIRE YEL WIRE

BATTERY BLK WIRE BRN WIRE DRIVER-SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE ENGINE CONTROL MODULE (ME-SFI) (RIGHT REAR OF ENGINE COMPT) LEFT FOOTWELL) PASSENGER- SIDE FUSE AND RELAY MODULE BOX PNK/RED WIRE RED WIRE RED/BLU WIRE STARTER STARTER RELAY TERMINAL VIO WIRE VIO/WHT WIRE