Mercedes-Benz C-class W202 facelift (1997-2001) fuse/ relay box (left rear of engine compt) Wiring diagrams

1 2 3 4 4 ATA R TAIL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 R DOME 1 2 3 4 PWR GRND CTRL LOCK 1 2 CAN H CAN L 30 30 LK PWR 4 5 10 11 PWM A PWM B CAN L CAN H ALARM SIREN (W/ AUXILIARY BATTERY) ATA STATUS/TOWING/ INTERIOR PROTECTION SWITCH ATA TOW SENSOR B+ GROUND B+ BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL 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- COMPUTER DATA LINES SYSTEM ELECTRONIC STEERING COLUMN CONTROL MODULE ENGINE HOOD SWITCH (FRONT OF ENGINE COMPT) FUSE 2 FUSE 27 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HEADLAMPS SYSTEM EXTERIOR LIGHTS SYSTEM HOT AT ALL TIMES L TAIL LED STOP LEFT FOOTWELL) LEFT FRONT DOOR SWITCH LEFT REAR DOOR SWITCH PNEUMATIC SYSTEM EQUIPMENT (PSE) CONTROL MODULE (RIGHT REAR SIDE OF TRUNK) REAR DOME LAMP REAR FUSE BOX (RIGHT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RF DOOR LR DOOR RR DOOR RIGHT FRONT DOOR SWITCH RIGHT REAR DOOR SWITCH SENS GND SENS IN HOOD SW IN SIREN TERMINAL BLOCK TRUNK LAMP TRUNK LAMP SWITCH TRUNK LF DOOR WHT WIRE WHT/GRN WIRE YEL WIRE YEL/RED 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 2 4 CAN L CAN H 1 3 1 B+ GROUND 2 3 4 2 B+ GROUND B+ 2 4 9 14 18 3 IR D GROUND CAN L IR U+ CAN H 6 1 SW IN BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN CONNECTOR COCKPIT SWITCH GROUP COMPUTER DATA LINES DRIVER SIDE DOOR CONTROL MODULE FUSE 17 FUSE 2 FUSE 3 FUSE 4 FUSE 8 FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT FRONT DOOR IR RECEIVER LEFT FRONT DOOR LOCK/ UNLOCK SWITCH LEFT FRONT DOOR SWITCH LEFT REAR DOOR SWITCH LF UNLOCK LF LOCK LOCK UNLK NCA WIRE PASSENGER SIDE DOOR CONTROL MODULE PNEUMATIC SYSTEM EQUIPMENT (PSE) CONTROL MODULE (RIGHT REAR SIDE OF TRUNK) REAR FUSE BOX (RIGHT SIDE OF TRUNK) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RF UNLOCK RF LOCK RIGHT FRONT DOOR IR RECEIVER RIGHT FRONT DOOR LOCK/ UNLOCK SWITCH RIGHT FRONT DOOR SWITCH RIGHT REAR DOOR SWITCH SIGNAL PICKUP AND ACTIVATION MODULE TRUNK LID LOCK SWITCH TRUNK RELEASE SWITCH UNLK LOCK WHT WIRE WHT/GRN WIRE YEL WIRE

ASR/SPS CONTROL MODULE BLK WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/WHT WIRE CD CHANGER CTEL TRANSMITTER- RECEIVER (IN BOTTOM LEFT REAR OF TRUNK) FM/AM AMPLIFIER FUSE 10 FUSE 12 FUSE 3 FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN RUN OR START LEFT FRONT AXLE VSS SENSOR LEFT FRONT DOOR SPEAKER LEFT FRONT SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR SPEAKER LEFT/RIGHT AUDIO POWER AMPLIFIER (LEFT SIDE OF TRUNK) NAVIGATION SYSTEM NCA WIRE ORG/ WIRE PNK WIRE PNK/GRN WIRE RADIO REAR WINDOW ANTENNA RED/BLK (OR BLK) WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR SPEAKER VIO WIRE WHT WIRE YEL/BLK WIRE

ASR/SPS CONTROL MODULE BLK WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/ORN WIRE BRN/PNK WIRE BRN/WHT WIRE CD CHANGER CTEL TRANSMITTER- RECEIVER (BOTTOM LEFT REAR OF TRUNK) FM/AM AMPLIFIER FUSE 10 FUSE 3 FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN RUN OR START LEFT FRONT AXLE VSS SENSOR LEFT FRONT DOOR SPEAKER LEFT FRONT SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR SPEAKER NAVIGATION SYSTEM NCA WIRE ORG/ WIRE PNK WIRE PNK/GRN WIRE RADIO REAR WINDOW ANTENNA RED/BLK (OR BLK) WIRE RED/BLU WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR SPEAKER WHT WIRE YEL/BLK WIRE