Wiring diagrams for Mercedes-Benz C-class
Access to the online wiring database Mercedes-Benz C-class W202 facelift (1997-2001)
Automatic a/c circuit (1 of 2)
Automatic a/c circuit (1 of 2)
Anti-lock brake circuits, with acceleration slip regulation (1
of 2)
Anti-lock brake circuits, with acceleration slip regulation (1 of 2)
Anti-lock brake circuits, with electronic stability program (1
of 2)
Anti-lock brake circuits, with electronic stability program (1 of 2)
Wiring diagram engine performance 2.3ls (1 of 3)
Wiring diagram engine performance 2.3ls (1 of 3)
Headlight circuit, with xenon lamps (1 of 2)
Headlight circuit, with xenon lamps (1 of 2)
Power distribution circuit (1 of 2)
Power distribution circuit (1 of 2)
Wiring diagram engine performance 2.8ls (1 of 3)
Wiring diagram engine performance 2.8ls (1 of 3)

Wiring Diagrams for Mercedes-Benz C-class W202 facelift (1997-2001)

  • Description:
    Engines: 2.3L, 2.8L
  • Systems: 53 Components: 902
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  • A PDF file with a set of all electrical circuits will be sent to your email.
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  • Finding components on wiring diagrams
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List of systems:

List of components:

1 1 ILLUM 1 2 3 4 1 POS NEG 1 2 3 4 4 ATA R TAIL 1 2 3 4 5 6 2 RELEASE SW RELEASE SW NEG 1 2 3 4 5 6 3 GROUND CAN H 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 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 18 19 20 21 M- M+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 M- M+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 DIAG 1 2 3 4 SOLID STATE 1 2 3 SOLID STATE 1 2 4 5 9 10 PWR TR OUT A OUT B OUT C OUT D OUT 1 2 4 CAN L CAN H 1 2 CAN H CAN L 1 3 1 B+ GROUND 1/A INSTRUMENT CLUSTER HIGH BEAM ON INPUT 2 1 10 11 3 WASHER WIPER CAN H CAN L GROUND 2 1 34 1 VSS RF 2 1 VSS RF 2 3 4 1 B+ B+ 2 3 4 2 B+ GROUND B+ 2 3 B+ B+ 2 4 9 14 18 3 IR D GROUND CAN L IR U+ CAN H 2 6 3 1 30 CAN H CAN L 31 COMPUTER DATA LINES SYSTEM 2 10 11 3 WASHER CAN H CAN L GROUND 3 6 1 CAN L CAN H GROUND 4 5 10 11 PWM A PWM B CAN L CAN H 4 9 CAN L CAN H 6 1 SW IN 6 7 2 CAN H CAN L 13 8 B+ 30 15 DATA 30 30 LK PWR 31 CAN H CAN L 38 39 40 41 42 43 44 JUMPERED TO PINS 13, 14 SHORTING BAR 100 OHMS 300 OHMS (OR A/C COMPRESSOR A/C SYSTEM ABS MIL ABS MIL BAS MIL AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM ARMORED VEHICLE ASPIRATOR BLOWER ASR MIL ASR MIL W/ ASR ASR WARNING IND ASR/ BAS MIL AUTOMATIC DIMMING INSIDE REARVIEW MIRROR AUX TAIL AUXILIARY FAN B+ GROUND B+ BACK- UP FOG BACK-UP BACK-UP LAMPS CIRCUIT BACKREST FORE/AFT BAS/ASR MIL BAS/ESP MIL BRAKE PAD WEAR IND BU LP CAN H GROUND CAN L CAN L DATA LINK CAN-H- CAN-L- CAN-L CAN-H CD CHANGER CIRCUIT BACK-UP LAMPS CKP- CKP+ CLK 320 CLK 320 CLK 430 CMP SHLD KS CMPR CLTCH COM ETC COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRA OUT JUMPERED TO PINS 6, 7 SHORTING BAR CRASH SIGNAL CS- CS+ CTEL INTERFACE CTEL TRANSMITTER/ RECEIVER CTRL CONTACT DATA A DATA B DATA C DATA D POWER GROUND DEFOGGER SYSTEM DEFOGGER SYSTEM DRIVER AIR BAG SQUIB DRIVER ETR SQUIB DRIVER'S POWER SEAT CIRCUIT ECT GAUGE ED B ED M ELECTRONIC CLOCK ELECTRONIC SPEEDO- METER ESG 31 31 ESP MIL ESP WARN IND ESP/ BAS MIL F+ F+ F- F- F DATA FLASH HI FR B FR FROM TERMINAL FRONT CIGAR LIGHTER FRONT PASSENGER AIR BAG SQUIB FRONT PASSENGER ETR SQUIB FRONT SEAT HEIGHT FUEL INJECTORS FUEL LEVEL GAUGE HEAD LH HEAD RESTRAINT UP/DOWN HEADLIGHTS SYSTEM HEATED SEATS CIRCUIT HFM+ HFM HFM- HFM HIGH BEAM HIGH BEAM STANDING/ PARKING HIGH LOW HOT AT ALL TIMES HOT AT ALL TIMES TERMINAL HOT AT ALL TIMES TERMINAL BLOCK HOT IN ACC, RUN OR START HOT IN ACCY, RUN, OR START HOT IN OFF OR ACCY HOT IN OFF, ACC, RUN OR START HOT IN ON OR START HOT IN RUN OR START HOT IN RUN, ACC OR START HOT IN RUN, START IN DASH CONTROLLER INJ 1 INJ 4 INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER, A/C SYSTEM INSTRUMENT CLUSTER, MIRRORS SYSTEM INSTRUMENT ILLUMINATION INSTRUMENT ILLUMINATION RHEOSTAT INT LO JUMPERED TO PINS 1, 2 SHORTING BAR JUMPERED TO PINS 3, 4 SHORTING BAR JUMPERED TO PINS 10, 11 SHORTING BAR JUMPERED TO PINS 16, 17 SHORTING BAR JUMPERED TO PINS 18, 19 SHORTING BAR L TAIL LAMBDA TN 50 LED STOP LEFT AUXILIARY FAN LEFT FOOTWELL) LEFT FRONT DOOR IR RECEIVER LEFT FRONT SIGNAL PICKUP, ACTIVATION MODULE LEFT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP LEFT OUTSIDE REARVIEW MIRROR LEFT SIDE AIR BAG SQUIB LEFT TURN IND LH HEAD LOW BEAM XENON LOW HIGH MAGNETIC SUPERCHARGER CLUTCH MANIFLD INJ 3 INJ 6 MEMORY RECALL MIRRORS SYSTEM NAVIGATION SYSTEM OFF PARK OFF PARK RH OFF PARK RH HEAD LH OFF PARK RH LH OFF RH PARK OFF RH PARK HEAD LH ON OFF P+ DIAG AB, D+ AB, D- D+ AB, P+ AB, P- ACSR D+ D- P+ P- P+ P- PASSENGER'S POWER SEAT CIRCUIT PINS 6, 7 JUMPERED TOGETHER BY PINS 31, 32 PNEUMATIC SYSTEM POWER DISTRIBUTION SYSTEM POWER TOPS SYSTEM PRESS. PWM CTRL 15 REAR SEAT HEIGHT REAR WINDOW DEFROSTER ELEMENT RELEASE POS RF DOOR LR DOOR RR DOOR RF ERK DIAG RH PARK HEAD LH RIGHT AUXILIARY FAN RIGHT FRONT DOOR IR RECEIVER RIGHT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP RIGHT OUTSIDE REARVIEW MIRROR RIGHT SIDE AIR BAG SQUIB RIGHT TURN IND SEAT FORE/ AFT SEAT FORE/ AFT REAR SEAT HEIGHT SEATS SYSTEM SENS GND SIGNAL PICK-UP, ACTIVATION MODULE SIGNAL PICKUP AND ACTIVATION MODULE SLIDING/ POP-UP ROOF ASSEMBLY SOLID STATE SOUNDER- SPARK PLUG 1 SPARK PLUG 4 SPARK PLUG 2 SPARK PLUG 3 SPEED WARNING BUZZER SRS MIL, CONTROL STANDING/ PARKING STARTING SYSTEM STARTING/CHARGING SYSTEM STEERING ANGLE STOP TAIL/ PARK TURN SUCTION FAN AUXILIARY FAN SUPPLEMENTAL RESTRAINTS SYSTEM TACHO- METER TERMINAL BLOCK TERMINAL BLOCK 2.1 TERMINAL BLOCK 3.2 TEVES BOSCH TNA TN 50 TO SPARK PLUGS TO TERMINAL TRAILER) TRUNK LF DOOR TURN TAIL/ PARK AUX TAIL USP 1 USP 2 VSS RF W/ BOTH LEFT, RIGHT FRONT POWER SEATS W/ ELECTRONIC STABILITY W/ IR, ATA W/ IR, ATA W/ RIGHT ESA W/ LEFT ESA W/ ONLY LEFT FRONT POWER SEAT W/ ONLY RIGHT FRONT POWER SEAT W/O ELECTRONIC STABILITY WARNING BUZZER WIPER/ WASHER SYSTEM WIPER/WASHER SYSTEM XENON HEADLAMPS