Mercedes-Benz C-class AMG W202 facelift (1997-2000) computer data lines system 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

1 2 3 4 4 ATA L TAIL HORN 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 5 6 7 8 9 10 11 12 13 14 15 3 SENS IN SENS IN ALARM HORN ATA STATUS/TOWING/ INTERIOR PROTECTION SWITCH ATA TOW SENSOR B+ GROUND B+ BLK WIRE BLK/RED WIRE BLU 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- COCKPIT SWITCH GROUP COMPUTER DATA LINES SYSTEM ENGINE HOOD SWITCH (FRONT OF ENGINE COMPT) EXTERIOR LAMPS SYSTEM EXTERIOR LAMPS SYSTEM EXTERIOR LAMPS SYSTEM FUSE 19 FUSE 2 FUSE 4 FUSE 6 FUSE 7 GRN WIRE GRN/GRY WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START INTERIOR LAMPS SYSTEM LED BLS SENS GND SENS GND SENS GND LEFT FRONT DOOR SWITCH RIGHT FRONT DOOR SWITCH LEFT INFRARED TRANSMITTER, RECEIVER 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/BLU/YEL WIRE RED/GRN WIRE RED/GRY WIRE RF DOOR LR DOOR RR DOOR RIGHT INFRARED TRANSMITTER, RECEIVER RIGHT REAR DOOR SWITCH SENS IN HOOD SW IN STOP LAMP SWITCH (AT TOP OF BRAKE PEDAL) TRUNK LAMP TRUNK LAMP SWITCH TRUNK LF DOOR WHT WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 1 POS NEG 1 2 3 4 5 6 2 RELEASE SW RELEASE SW NEG 1 2 3 4 5 6 3 GROUND CAN H ABS MIL BAS MIL BLK WIRE BLK/RED WIRE BLK/WHT WIRE BRAKE ASSIST (BAS) CONTROL MODULE BRAKE BOOSTER (BAS) BRAKE PAD WEAR IND BRN WIRE CAN L DATA LINK COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR FOR DTC ENGINE CONTROLS SYSTEM COMPUTER DATA LINES SYSTEM FUSE 30 FUSE/ RELAY BOX GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER NCA WIRE OUT RED WIRE RED/YEL WIRE RELEASE POS TERMINAL BLOCK 3.2 VIO WIRE WHT WIRE 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 COMPUTER DATA LINES SYSTEM FRONT DRIVER-SIDE DOOR CONTROL MODULE FRONT PASSENGER SIDE DOOR CONTROL MODULE FUSE 2 FUSE 23 FUSE 3 FUSE 4 FUSE 6 FUSE 8 FUSE 9 FUSE/ RELAY BOX GLOVE COMPARTMENT LAMP HOT AT ALL TIMES HOT IN ACC, RUN OR START INSTRUMENT CLUSTER LEFT FRONT DOOR SWITCH LEFT FRONT ENTRANCE/ EXIT LAMP LEFT REAR DOOR SWITCH LEFT SUN VISOR LIGHT PNK/GRN WIRE PSE CONTROL MODULE (ON RIGHT SIDE REAR OF TRUNK) REAR DOME LAMP REAR FUSE BOX RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DOOR SWITCH RIGHT FRONT ENTRANCE/ EXIT LAMP RIGHT REAR DOOR SWITCH RIGHT SUN VISOR LIGHT ROOF CONTROL PANEL CONTROL MODULE TRUNK LAMP TRUNK LAMP SWITCH

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE FANFARE HORN FUSE 4 FUSE 5 HORN RELAY HORN SWITCH HORN/ AIRBAG CLOCK SPRING CONTACT HOT AT ALL TIMES LEFT FOOTWELL) PNK/YEL WIRE RED WIRE SIGNAL PICK-UP, ACTIVATION MODULE (SAM) TERMINAL YEL WIRE

+ 0 0 0 0 0:0 0 1 2 PNK WIRE A/C PUSHBUTTON CONTROL MODULE ASR MIL ASR WARNING IND BAS/ASR MIL BAS/ESP MIL BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH (ON FLUID RESERVOIR) BRAKE PAD WEAR IND BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CHARGING SYSTEM CLOCK COMPUTER DATA LINES SYSTEM EA WARNING IND ECT GAUGE ELECTRONIC IGNITION LOCK CONTROL MODULE ESP MIL ESP WARNING IND EXTERIOR LAMP FAILURE IND EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FUEL GAUGE FUEL RESERVE IND FUSE 19 FUSE 30 FUSE 4 FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GENERATOR CHARGE IND GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, ACC OR START HYDRAULIC FLUID LEVEL IND INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION (3 BULBS) INSTRUMENT ILLUMINATION (4 BULBS) LEFT FRONT DOOR SWITCH LEFT FRONT SEAT BELT BUCKLE SWITCH LEFT FUEL LEVEL SENSOR (ON LEFT SIDE OF FUEL TANK) LEFT TURN IND LOW BRAKE FLUID/PARKING BRAKE IND LOW ECL IND LOW OIL LEVEL IND LOW WIPER FLUID IND OUTSIDE TEMP PNK WIRE PNK/WHT WIRE RED WIRE RED/YEL WIRE RHEOSTAT RIGHT FUEL LEVEL SENSOR (ON RIGHT SIDE OF FUEL TANK) RIGHT TURN IND SEAT BELT REMINDER IND SPEED WARNING SPEEDO- METER SRS CONTROL MODULE (FORWARD OF SHIFTER) SRS IND TACHO- METER W/ ASR W/ ESP WARNING BUZZER WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH (ON RESERVOIR) YEL WIRE YEL/BLU WIRE

ASR OFF SWITCH OR ESP OFF SWITCH ATA STATUS/ TOWING/INTERIOR PROTECTION SWITCH BLK WIRE BLU WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE COCKPIT SWITCH COMPUTER DATA LINES SYSTEM CTEL TRANSMITTER/ RECEIVER DRIVER'S SIDE FUSE, RELAY MODULE BOX EXTERIOR LAMP SWITCH FRONT CIGAR LIGHTER FRONT HEATED SEAT CONTROL MODULE FUSE 17 FUSE FUSE 7 RELAY BOX GRY WIRE GRY/BLU WIRE GRY/VIO WIRE HEAD HOT AT ALL TIMES IN DASH CONTROLLER INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION RHEOSTAT LEFT REAR POWER WINDOW SWITCH LOWER CONTROL FIELD CONTROL MODULE NCA WIRE OFF PARK PTC ON/OFF SWITCH RADIO OR RADIO, NAVIGATION UNIT REAR DRIVER-SIDE DOOR CONTROL MODULE REAR FUSE BOX FUSE 5 REAR PASSENGER- SIDE DOOR CONTROL MODULE REAR WINDOW SUN SHADE SWITCH RED WIRE RED/YEL WIRE REMOTE TRUNK LID RELEASE SWITCH RIGHT LICENSE PLATE LAMP RIGHT REAR POWER WINDOW SWITCH TERMINAL BLOCK TRANSMISSION RANGE RECOGNITION SWITCH VIO WIRE WHT WIRE YEL WIRE

ANTENNA BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE, RELAY BOX (LEFT SIDE OF ENGINE COMPT) FUSE 9 GRN WIRE HOT AT ALL TIMES RED WIRE RED/BLK WIRE ROOF PANEL CONTROL MODULE SLIDING/ POP-UP ROOF ASSEMBLY VIO WIRE YEL 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

ACTVATED CHARCOAL CANISTER SHUTOFF VALVE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE BU LP CAN(H)+ CAN(L)- COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DATA LINK CONNECTOR (LEFT REAR OF ENGINE COMPT) DIAG DRIVER'S SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE ENGINE CONTROL MODULE (ME-SFI) (IN MODULE BOX, IN RIGHT REAR OF ENGINE COMPT) ESG 31 31 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES OXYGEN SENSOR 1 (BEFORE TWC) (ON EXHAUST PIPE) OXYGEN SENSOR 2 (AFTER TWC) (ON EXHAUST PIPE) PASSENGER'S SIDE FUSE, RELAY MODULE BOX FUSE 1 PEDAL VALUE SENSOR (LEFT REAR OF ENGINE COMPT) PURGE CONTROL VALVE (LEFT FRONT CORNER OF ENGINE COMPT) RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE STARTING SYSTEM TNA TN 50 USP 1 USP 2 VIO WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE YEL/GRN WIRE