Mercedes-Benz C-class W202 facelift (1997-2001) blk/grn 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

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

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

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

1 2 4 1 LEFT OUTER SENSOR 1 2 4 3 LEFT INNER SENSOR 2 1 34 1 VSS RF 2 1 VSS RF 2 4 1 4 RIGHT INNER SENSOR 2 4 1 5 RIGHT CENTER SENSOR 2 4 1 6 RIGHT OUTER SENSOR 4 2 1 2 LEFT CENTER SENSOR ASR/SPS CONTROL MODULE BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE DATA LINK CONNECTOR (RIGHT REAR CORNER OF ENGINE COMPT) ESP/BAS CONTROL MODULE F+ F+ F- F- F DATA FRONT BUMPER PTS SENSOR ASSEMBLY FUSE 14 FUSE, RELAY BOX (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HOT IN RUN OR START PTS ON/OFF SWITCH PTS WARNING INDICATOR (CENTER INSTRUMENT PANEL AIR OUTLET) PTS WARNING INDICATOR (LEFT INSTRUMENT PANEL AIR OUTLET) RF ERK DIAG TEVES BOSCH TRAILER) TRANSMISSIONS SYSTEM (LOWER CONTROL FIELD CONTROL MODULE) ULTRASONIC PTS CONTROL MODULE VSS RF W/ ELECTRONIC STABILITY W/O ELECTRONIC STABILITY WHT/RED WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

1 2 3 4 BATTERY 1 8 4 7 9 3 2 SIGNAL BATTERY CAN L BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE CAN H GROUND CAN L CAN H BATTERY GROUND COMPUTER DATA LINES SYSTEM DRIVER'S DOOR CONTROL MODULE FUSE 17 FUSE 3 FUSE 5 FUSE 7 FUSE 8 FUSE, RELAY BOX (LEFT REAR OF ENGINE COMPARTMENT) GRN WIRE GROUND GRY/BLU WIRE HOT AT ALL TIMES LEFT FRONT POWER WINDOW MOTOR LEFT REAR DOOR CONTROL MODULE LEFT REAR POWER WINDOW SWITCH LOWER CONTROL FIELD CONTROL MODULE PASSENGER'S DOOR CONTROL MODULE REAR FUSE BOX (RIGHT SIDE OF TRUNK) RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT POWER WINDOW MOTOR RIGHT REAR DOOR CONTROL MODULE RIGHT REAR POWER WINDOW SWITCH

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