Mercedes-Benz C-class W202 facelift (1997-2001) gry/wht Wiring diagrams

ABS MIL ASR MIL ASR WARNING IND ASR/ BAS MIL ASR/SPS CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BRAKE PAD WEAR IND BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 30 FUSE/ RELAY BOX GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLAMP RANGE ADJUSTMENT CONTROL MODULE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT AXLE VSS SPEED SENSOR LEFT FRONT BRAKE PAD WEAR SENSOR LEFT REAR AXLE VSS SPEED SENSOR NCA WIRE PASSENGER'S SIDE FUSE/ RELAY MODULE BOX RADIO DATA LINK CONNECTOR (RIGHT REAR OF ENGINE COMPT) RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT AXLE VSS SPEED SENSOR RIGHT FRONT BRAKE PAD WEAR SENSOR RIGHT REAR AXLE VSS SPEED SENSOR TERMINAL BLOCK TERMINAL BLOCK 2.1 ULTRASONIC PTS CONTROL MODULE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

ASR OFF SWITCH ASR/ETS/ESP HYDRAULIC UNIT BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BRN WIRE BRN/BLK WIRE FUSE 2 GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH PRESSURE/RETURN PUMP RELAY MODULE HOT AT ALL TIMES HOT IN RUN OR START NCA WIRE PARKING BRAKE SWITCH PASSENGER'S SIDE FUSE/ RELAY MODULE BOX POLARITY PROTECTION RELAY RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE STOP LAMP SWITCH WHT/GRN WIRE YEL RED/ WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

ASR/ETS/ESP HYDRAULIC UNIT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLU/WHT WIRE BRAKE BOOSTER (BAS) BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE DRIVER'S SIDE FUSE, RELAY MODULE BOX ESP BRAKE PRESSURE SENSOR ESP/SPS/BAS CONTROL MODULE EXTERIOR LAMP FAILURE MONITORING MODULE (ON LEFT REAR OF ENG COMPT) FUSE 19 FUSE/ RELAY BOX GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/RED WIRE GRY/WHT WIRE HIGH PRESSURE/ RETURN PUMP RELAY MODULE HOT AT ALL TIMES HOT IN RUN OR START LEFT FOOTWELL) NCA WIRE PARKING BRAKE SWITCH PNK WIRE PNK/GRN WIRE PNK/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE STEERING ANGLE SENSOR STOP LAMP SUPPRESSION RELAY MODULE STOP LAMP SWITCH TERMINAL BLOCK WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

AUX TAIL BACK- UP FOG BACK-UP BACK-UP LAMPS CIRCUIT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/VIO (OR YEL/PNK) WIRE BLK/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE CIRCUIT BACK-UP LAMPS COCKPIT SWITCH GROUP COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION - STARTER SWITCH CONTROL MODULE EXTERIOR LAMP FAILURE IND FUSE 2 FUSE 22 FUSE 4 FUSE, RELAY BOX (LEFT REAR OF ENGINE COMPARTMENT) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACCY, RUN, OR START INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT FOOTWELL) LEFT TAILLAMP UNIT LEFT TURN IND LEFT TURN SIGNAL/SIDE MARKER LAMP NCA WIRE OFF ON OFF PNK/BLK WIRE PSE CONTROL MODULE R/L TURN SIGNAL SWITCH COMBINATION SWITCH REAR FUSE BOX (RIGHT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT TAILLAMP UNIT RIGHT TURN IND RIGHT TURN SIGNAL/SIDE MARKER LAMP SIGNAL PICKUP, ACTIVATION MODULE (SAM) SOUNDER- STOP STOP TAIL/ PARK TURN TERMINAL BLOCK TURN TAIL/ PARK AUX TAIL WHT WIRE 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/A INSTRUMENT CLUSTER HIGH BEAM ON INPUT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/VIO WIRE COMBINATION SWITCH DAYTIME RUNNING LIGHT CONTROL MODULE (BEHIND LEFT SIDE OF DASH) EXTERIOR LAMP FAILURE EXTERIOR LAMP SWITCH EXTERIOR LIGHTS SYSTEM (REAR FOG LAMP) EXTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM FLASH HI FOG LAMP FUSE FUSE 19 FUSE 22 FUSE 24 FUSE 25 FUSE 32 FUSE 31 FUSE 33 FUSE 35 FUSE/ RELAY BOX GRN WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE HEAD HIGH LOW HOT AT ALL TIMES HOT IN ACCY, RUN, OR START HOT IN OFF OR ACCY HOT IN RUN OR START INSTRUMENT CLUSTER SYSTEM LEFT FOOTWELL) LEFT HEADLAMP UNIT LH HEAD LOW HIGH MONITORING MODULE (ON LEFT REAR OF ENGINE COMPARTMENT) NCA WIRE NSE FOG LIGHTS SWITCH OFF OFF PARK OFF RH PARK OFF RH PARK HEAD LH PNK WIRE RED WIRE RELAY BOX FUSE 34 RH PARK HEAD LH RIGHT HEADLAMP UNIT SEPARATION RELAY MODULE TERMINAL BLOCK TRANSMISSIONS SYSTEM ENGINE CONTROLS SYSTEM WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

1/A INSTRUMENT CLUSTER HIGH BEAM ON INPUT BLK WIRE BLU WIRE BRN WIRE COMBINATION SWITCH EXTERIOR LAMP FAILURE EXTERIOR LAMP SWITCH EXTERIOR LIGHTS SYSTEM (REAR FOG LAMP) EXTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM FLASH HI FOG LAMP FOG LIGHTS SWITCH FUSE FUSE 22 FUSE 24 FUSE 25 FUSE 32 FUSE 31 FUSE 33 FUSE 35 FUSE/ RELAY BOX GRN WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE HEAD HOT AT ALL TIMES HOT IN ACCY, RUN, OR START HOT IN OFF OR ACCY INSTRUMENT CLUSTER SYSTEM LEFT HEADLAMP UNIT LH HEAD MONITORING MODULE (ON LEFT REAR OF ENGINE COMPARTMENT) NCA WIRE NSE OFF OFF PARK OFF RH PARK OFF RH PARK HEAD LH PNK WIRE RED WIRE RELAY BOX FUSE 34 RH PARK HEAD LH RIGHT HEADLAMP UNIT WHT WIRE YEL WIRE

1/A INSTRUMENT CLUSTER HIGH BEAM ON INPUT BLK WIRE BLU WIRE BRN WIRE COMBINATION SWITCH EXTERIOR LAMP FAILURE EXTERIOR LAMP SWITCH EXTERIOR LIGHTS SYSTEM (REAR FOG LAMP) EXTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM FLASH HI FOG LIGHTS SWITCH FUSE FUSE 24 FUSE 25 FUSE 32 FUSE 31 FUSE 33 FUSE 35 FUSE, RELAY BOX (ON LEFT REAR OF ENGINE COMARTMENT) FUSE 22 GRN WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE HEAD HOT AT ALL TIMES HOT IN ACCY, RUN, OR START HOT IN OFF OR ACCY INSTRUMENT CLUSTER SYSTEM LEFT FOG LAMP LH HEAD MONITORING MODULE (ON LEFT REAR OF ENGINE COMPARTMENT) NCA WIRE NSE OFF OFF PARK OFF RH PARK OFF RH PARK HEAD LH PNK WIRE RED WIRE RELAY BOX FUSE 34 RH PARK HEAD LH RIGHT FOG LAMP TO LEFT HEADLAMP UNIT (DIAGRAM TO RIGHT HEADLAMP UNIT (DIAGRAM WHT WIRE YEL WIRE

AIR PUMP (LOWER RIGHT FRONT OF ENGINE) AIR PUMP RELAY MODULE BLK/RED WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAMSHAFT HALL EFFECT SENSOR (TOP LEFT FRONT OF ENGINE) CKP SENSOR (LEFT REAR OF ENGINE) CONTROL REGENERATION PRESSURE SENSOR (TOP LEFT FRONT OF ENGINE) DAYTIME RUNNING LAMP CONTROL MODULE (LEFT SIDE OF DASH) FUEL PUMP FUEL PUMP RELAY MODULE FUSE 1 FUSE 4 FUSE 7 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES TERMINAL BLOCK HOT FILM MAF SENSOR (ON FRESH AIR INTAKE TUBE) HOT IN RUN OR START MAGNETIC SUPERCHARGER CLUTCH PASSENGER'S SIDE FUSE, RELAY MODULE BOX (RIGHT REAR OF ENGINE COMPT) REAR FUSE BOX (RIGHT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE TRANSMISSION CONTROL MODULE (REAR OF ENG COMPT) YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 M- M+ AIR BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CMP SHLD KS COIL 1 COIL 2 COM ETC CS- CS+ ECT SENSOR (TOP FRONT OF ENGINE) ENGINE CONTROL MODULE (ME-SFI) (IN MODULE BOX, ON RIGHT REAR OF ENGINE COMPT) FUEL INJECTORS FUSE 3 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HFM+ HFM HFM- HFM HOT IN RUN OR START IGNITION COIL 1 IGNITION COIL 2 ISC ACTUATOR (TOP LEFT SIDE OF ENGINE) KNOCK SENSOR (LEFT SIDE OF ENGINE) NCA WIRE NWS OIL OIL LEVEL SWITCH (LEFT SIDE OF OIL PAN) P+ P- PASSENGER'S SIDE FUSE, RELAY MODULE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 6 PRESS. PRESSURE SENSOR (TOP LEFT FRONT OF ENGINE) RECIRCULATED AIR FLAP ACTUATOR RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SPARK PLUG 1 SPARK PLUG 4 SPARK PLUG 2 SPARK PLUG 3 VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE