Mercedes-Benz C-class W204/S204 (2006-2011) (right front footwell) Wiring diagrams

12 13 17 18 CAN E L CAN E H CAN B L CAN B H 2 3 1 31 LIN 1 30 30 31 5 19 CAN-B H CAN-B L EWD 4 3 2 1 S_GB 30 6 5 4 3 2 1 ASS OFF ASS LED 31 6 5 4 3 2 1 OFF INTERIOR PROTECTION SWITCH ALARM SIREN (W/ ANTI-THEFT ALARM SYSTEM) (REAR OF RIGHT FRONT WHEELWELL) ANTI-THEFT ALARM SYSTEM INDICATOR LAMP INSTRUMENT PANEL SWITCH GROUP BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN B H CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM DISPLAY EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER FRONT OF TRUNK) ENGINE HOOD ANTI-THEFT ALARM SYSTEM SWITCH (W/ ANTI-THEFT ALARM SYSTEM) FAN RELAY MODULE FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE 105 FUSE 17 FUSE 18 FUSE 46 FUSE 89 FUSE 90 GRN WIRE GRN/WHT WIRE GRY/YEL WIRE HORNS SYSTEM HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INFO INFO LED INSTRUMENT CLUSTER INTERIOR PROTECTION RECEIVER INTERIOR PROTECTION, TOW-AWAY PROTECTION CONTROL UNIT (IF EQUIPPED) IRS LED IRS-OFF LEFT INTERIOR PROTECTION TRANSMITTER LEFT REAR WINDOW GLASS BREAKAGE SENSOR NCA WIRE OF TRUNK) OFF TOWING SENSOR BUTTON 8 7 6 4 3 2 SOS LED WS LED INFO LED WS INFO SOS REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RIGHT INTERIOR PROTECTION TRANSMITTER RIGHT REAR WINDOW GLASS BREAKAGE SENSOR SOS SOS LED W/ MODEL CODE 204.2 WHT WIRE WS LED YEL WIRE YEL/RED WIRE YEL/VIO WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CAN B H CAN B L 30 GND 31 AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLOWER MOTOR BLOWER REGULATOR A/C HOUSING BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DATA EVAPORATOR TEMPERATURE SENSOR (UNDER RIGHT SIDE OF DASH) FUSE 100 FUSE 105 FUSE 119 HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INTERIOR FUSE BOX (BEHIND LEFT END OF DASH) REAR BLOWER MOTOR REAR WINDOW HEATER BUTTON RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE SIG SIG NTC DATA FOND GND DATA SUN SENSOR (TOP CENTER OF DASH) VIO/WHT WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE

10 9 CAN B L CAN B H 21 22 RFL-R RFL-L 6 7 CAN C L CAN C H BACKUP CAMERA VOLTAGE SUPPLY MODULE BACKUP LAMP BACKUP LAMP SWITCH (M/T) (ON RIGHT REAR OF TRANSMISSION) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (A/T) (UNDER CENTER CONSOLE) FRONT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 106 ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT COMPUTER DATA LINES SYSTEM REAR LAMP BACKUP UNIT LAMP MODEL CODE 204.0 MODEL CODE 204.2 REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RFL (+) RIGHT REAR LAMP UNIT WHT WIRE YEL WIRE

41 54 10 37 23 50 11 CAN-E H CAN-E L 43 39 64 88 75 74 (+) SV IPM ACCEL SET/ ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR BLK/GRN WIRE BLK/PNK WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C H CAN C L CAN E H CAN E H CAN E L CAN E L CAN H H CAN H L SV_HIGH SV_LOW SH_HIGH SH_LOW 31 COMPUTER CAN H H CAN H L 31 DATA LINES 5 6 SYSTEM COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DATA DCM DCP DEC DECEL DISTRONIC CONTROL (IF EQUIPPED) DISTRONIC CONTROL UNIT DISTRONIC ELECTRIC CONTROLLER UNIT DISTRONIC RADAR SENSOR FRONT BUMPER LEFT INNER RADAR SENSOR FRONT BUMPER RIGHT INNER RADAR SENSOR (DISTRONIC PLUS) FRONT BUMPER RIGHT OUTER RADAR SENSOR (DISTRONIC PLUS) FUSE 13 FUSE 79 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES IND INSTRUMENT PANEL PARKTRONIC WARNING INDICATOR (W/ CITY ASSIST SYSTEM) ME-SFI (ME) CONTROL MODULE (TOP CENTER OF ENGINE) NCA WIRE OFF ORG/ WIRE OUTPUT SHAFT RPM SENSOR FULLY INTEGRATED TRANSMISSION CONTROL UNIT PEDAL ASSEMBLY) PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/RED WIRE PNK/VIO WIRE RADAR SENSORS CONTROL UNIT REAR BUMPER FRONT BUMPER RIGHT OUTER LEFT OUTER RADAR SENSOR RADAR SENSOR REAR BUMPER LEFT INNER RADAR SENSOR (BLIND SPOT ASSIST) REAR BUMPER LEFT OUTER RADAR SENSOR (BLIND SPOT ASSIST) REAR BUMPER RIGHT INNER RADAR SENSOR REAR PARKTRONIC WARNING INDICATOR (W/ CITY ASSIST SYSTEM) RED WIRE RED/BLK WIRE RED/BLU WIRE RES+ RESUME SET- STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) THROTTLE VALVE ACTUATOR (IN AIR INTAKE MANIFOLD) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE

30 H SIDE ADAPTIVE DAMPING SYSTEM CONTROL UNIT BLK/BLU WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE FUSE GND GND GRN/WHT WIRE HOT AT ALL TIMES INTERIOR FUSE BOX (BEHIND LEFT END OF DASH) L SIDE L SIDE SIG LEFT FRONT LEVEL SENSOR (IN LEFT FRONT WHEELWELL) LEFT REAR AXLE DAMPING VALVE UNIT LEFT REAR BODY LATERAL ACCELERATION SENSOR LEFT REAR LEVEL SENSOR (IN LEFT REAR WHEELWELL) NCA WIRE PNK/RED WIRE RED/BLU WIRE RIGHT REAR AXLE DAMPING VALVE UNIT RIGHT REAR LEVEL SENSOR SIG SIG 31 H SIDE WHT/BLU WIRE WHT/RED WIRE YEL/WHT WIRE

BRN WIRE ELECTRONIC STABILITY PROGRAM CONTROL UNIT FUEL PUMP CONTROL MODULE REAR WINDOW GLASS BREAKAGE SENSOR REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 1 REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 2 SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT WHT WIRE

1 2 3 31 CAN-C H CAN-C L 1 2 3 CAN-A H CAN-A L 31 1 2 CAN-A H CAN-A L 1 2 CAN-C H CAN-C L 28 25 2 1 4 7 CAN-G H CAN-G L CAN-G H CAN-G L 3 4 CAN-A H CAN-A L 3 4 CAN-C H CAN-C L 4 14 CAN-A H CAN-A L 4 8 CAN-A H CAN-A L 41 40 CAN C H CAN C L 7 6 CAN-C H CAN-C L 8 4 CAN-A H CAN-A L AUDIO/COMAND CONTROL PANEL AUDIO/COMAND DISPLAY BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN/WHT WIRE CAN-A H CAN-A L CAN-G H CAN-G L CAN-G H CAN-G L DRIVE TRAIN CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR DVD PLAYER (W/ TV, VIDEO IN REAR) ELECTRONIC SELECTOR LEVEL MODULE CONTROL MODULE (A/T) (UNDER CENTER CONSOLE) ELECTRONIC TRANSMISSION CONTROL UNIT FUEL PUMP CONTROL MODULE (UNDER RIGHT REAR SEAT) FULLY INTEGRATED TRANSMISSION CONTROL UNIT LEFT FRONT HEADLAMP UNIT LEFT REAR DISPLAY (W/ TV, VIDEO IN REAR) LEFT XENON LIGHT CONTROL UNIT RIGHT FRONT HEADLAMP UNIT RIGHT REAR DISPLAY (W/ TV, VIDEO IN REAR) RIGHT XENON LIGHT CONTROL UNIT TELEMATICS CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR W/ AUDIO 20 RADIO, RADIO 50 W/ COMAND W/O BI-XENON HEADLAMP W/ BI-XENON HEADLAMP WHT WIRE YEL WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 WH (-) (-) SV WH (DATA) BLK/GRN WIRE BLK/PNK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN B H (-) SH WV (-) 31 CAN E H CAN E L CENTER LEFT FRONT PARKTRONIC DISTANCE SENSOR CENTER RIGHT FRONT PARKTRONIC DISTANCE SENSOR COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 59 UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) GRN WIRE GRN/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INNER LEFT FRONT PARKTRONIC DISTANCE SENSOR INNER LEFT REAR PARKTRONIC DISTANCE SENSOR INNER RIGHT FRONT PARKTRONIC DISTANCE SENSOR INNER RIGHT REAR PARKTRONIC DISTANCE SENSOR INSTRUMENT PANEL PARKTRONIC WARNING INDICATOR LIN 1 OUTER LEFT FRONT PARKTRONIC DISTANCE SENSOR OUTER LEFT REAR PARKTRONIC DISTANCE SENSOR OUTER RIGHT FRONT PARKTRONIC DISTANCE SENSOR OUTER RIGHT REAR PARKTRONIC DISTANCE SENSOR PARKTRONIC BUTTON PARKTRONIC CONTROL UNIT PNK/RED WIRE REAR PARKTRONIC WARNING INDICATOR REAR SAM CONTROL UPPER CONTROL PANEL CONTROL MODULE W V (DATA) WH (+) (+) SV WHT/RED WIRE WHT/YEL WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

1 2 3 4 5 6 CAN C H CAN C L 17 18 CAN B L CAN B H 31 CAN C L CAN C H 31 SIG 4 3 CAN B L CAN B H 87 GND AUTOMATIC TRANSMISSION MODE BUTTON AUTOMATIC TRANSMISSION NEUTRAL POSITION SWITCH (W/ KEYLESS GO SYSTEM) BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN C H CAN C L CLUTCH CONTROL SOLENOID COMPUTER DATA LINES SYSTEM D- D+ ELECTRIC STEERING LOCK CONTROL UNIT (TOP OF STEERING COLUMN) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (UNDER CENTER CONSOLE) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FULLY INTEGRATED TRANSMISSION CONTROL UNIT FULLY SELECTION INTEGRATED RANGE TRANSMISSION SENSOR CONTROL UNIT FUSE GEAR DISPLAY GEAR DISPLAY SENSOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 GRN WIRE GRY/BLU WIRE HOT W/ CHASSIS CIRCUIT 87 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER INTERNAL OUTPUT TRANSMISSION SHAFT SPEED RPM RPM SENSOR SENSOR MULTIDISK MULTIDISK BRAKE BRAKE CONTROL CONTROL SOLENOID SOLENOID PRND R/P S (+) R/P S (-) RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE SELECT LEVER POSITIONS R, P LOCKING SOLENOID SHIFT GATE SYMBOL ILLUMINATION TIPP (MASSE) TIPP (PLUS) TIPP (-) TIPP (+) TRANSMISSION MODE DISPLAY TRANSMISSION OIL TEMPERATURE SENSOR TURBINE WHEEL RPM SENSOR WHT WIRE WHT/GRN WIRE WORKING PRESSURE CONTROL SOLENOID VALVE YEL WIRE