Mercedes-Benz C-class W204/S204 (2006-2011) brn/gry 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 CAN-E L CAN-E H 2 8 1 10 58 58 54 SL R 27 16 15 23 2 BSL R BSL R 31 30 CAN B L CAN B H 31 LIN 2 6 7 CAN B L CAN B H BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BSL L COMBINATION SWITCH COMPUTER DATA LINES SYSTEM FOG LAMP FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE 89 FUSE 90 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HOT AT ALL TIMES LEFT LICENSE PLATE LAMP CENTER STOP LAMP LEFT REAR LAMP UNIT MODEL CODE 204.0 MODEL CODE 204.2 NSL-R PNK BSL-L WIRE PNK SL L WIRE PNK/RED WIRE RAIN/LIGHT SENSOR (W/ RAIN/LIGHT REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RIGHT LICENSE PLATE LAMP RIGHT REAR LAMP UNIT SENSOR) (TOP CENTER OF WINDSHIELD) SL L STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STOP/ INNER SIDE MARKER LAMP TURN SIGNAL LAMP TAIL/ STOP/ PARK TAIL LAMP LAMP TURN SIGNAL LAMPS SWITCH VIO WIRE VIO/BLU WIRE WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 LIN 2 1 2 3 4 5 6 IRS OFF IRS LED 30 32 31 29 28 27 SOS INFO WS INFO LED WS LED SOS LED 30 S GB 31 ASS LED ASS OFF 31 FL 31 HS 1 HS(+) HS 2 MOTOR - MOTOR + 8 7 6 5 4 3 2 1 SOS LED WS LED INFO LED AUTOMATIC DIMMING MIRROR BLK WIRE BLK/GRY 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 L CAN B H LIN 2 30 31 COMPASS DISPLAY BUTTON (USA) COMPASS MODULE W/ DISPLAY (USA) COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT FRONT DOME LAMP SWITCH FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 17 FUSE 46 GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR INTERIOR LAMP AUTOMATIC FUNCTION SWITCH INTERIOR PROTECTION RECEIVER INTERIOR PROTECTION SWITCH (W/ TOW-WAY PROTECTION, INTERIOR PROTECTION) INTERIOR PROTECTION, TOW-WAY PROTECTION CONTROL UNIT (IF EQUIPPED) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FRONT INTERIOR LAMP LEFT FRONT READING LAMP SWITCH LEFT INTERIOR PROTECTION TRANSMITTER LEFT READING LAMP GARAGE DOOR OPENER LEFT REAR WINDOW GLASS BREAKAGE SENSOR (W/ MODEL CODE 204.2) LIN 2 NCA WIRE OVERHEAD CONTROL PANEL CONTROL MODULE PNK WIRE POWER TOPS SYSTEM REAR DOME LAMP, SWITCH REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE REAR WINDOW GLASS BREAKAGE SENSOR (W/ MODEL CODE 204.2) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RIGHT AMBIENT READING LAMP LAMP RIGHT FRONT INTERIOR LAMP RIGHT FRONT READING LAMP SWITCH RIGHT INTERIOR PROTECTION TRANSMITTER RIGHT REAR WINDOW GLASS BREAKAGE SENSOR (W/ MODEL CODE 204.2) TILTING/SLIDING ROOF SWITCH TOWING SENSOR BUTTON (W/ TOW-WAY PROTECTION, INTERIOR PROTECTION) USA VIO WIRE W/ MODEL CODE 204.2 WHT WIRE WS INFO SOS 31 YEL WIRE YEL/RED WIRE YEL/VIO WIRE

30 30 (+) 31 WH (DATA) WH (+) WH (-) 58 SL-L SL-R (+) PNK WIRE 7 8 9 10 11 12 13 (+) ANST ANTI-THEFT SYSTEM SOUND SYSTEMS BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE BSL-R BSL-L ZV CAN B L CAN B H (+) (+) SIG LIN CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DEFOGGER SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM ENGINE CONTROLS SYSTEM ANTI-THEFT SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM FUSE GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/YEL WIRE HFE HFE SIG SIG SIG HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM POWER DISTRIBUTION SYSTEM INSTRUMENT CLUSTER, ANTI-THEFT SYSTEMS INSTRUMENT CLUSTER, ANTI-THEFT SYSTEMS INSTRUMENT CLUSTER, ANTI-THEFT SYSTEMS INSTRUMENT CLUSTER, ENGINE CONTROLS SYSTEMS INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM PNK BSL-L BSL-R SIG WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RFL-R RFL-L NSL-R NSL-L RSS EIN RSS AUS SEATS SYSTEM SIG SIG EDM SIG TG R TG L BLA GSS HR GSS HL SIG GSS HM SIG SIG SIG SIG SIG SIG SIG SOUND SYSTEMS SEATS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM ANTI-LOCK BRAKES SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM STARTING/CHARGING SYSTEM VIO/BLU WIRE WH (DATA) WH (+) WHT/BLU WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE ZV ANT

17 18 CAN B L CAN B H A S DK AIR CONDITIONING SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM E RDS ENGINE COOLANT TEMPERATURE MULFUNCTION IND ENGINE DIAGNOSIS MULFUNCTION IND LAMP FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUEL PRESSURE SENSOR (IN FUEL TANK) FUEL PUMP CONTROL UNIT (UNDER RIGHT REAR SEAT) FUSE FUSE 106 FUSE 32 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER IPM LSIK LSHK (+) (+) SV (+) SV ME-SFI (ME) CONTROL MODULE (TOP CENTER OF ENGINE) NCA WIRE NWG M NWSA 1 NWSE 2 ORG/ WIRE PNK/BLK WIRE PNK/RED WIRE PNK/WHT WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FUEL PUMP SECONDARY AIR INJECTION RELAY SLV THS STARTING/CHARGING SYSTEM VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE ZUE 1 ZUE 3 ZUF 5 ZUE 2 ZUE 4 ZUE 6

BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C H CAN E H COMPUTER DATA LINES SYSTEM DST EKP FRONT ELECTRICAL FUEL TANK PRESSURE SENSOR (IN FUEL TANK) FUSE FUSE 101 FUSE 111 FUSE 89 PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES LIN ME-SFI (ME) CONTROL MODULE (TOP CENTER OF ENGINE) NCA WIRE ORG/ WIRE PNK/BLK WIRE PNK/RED WIRE REAR BATTERY REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SLP STARTING/ CHARGING SYSTEM STR+ VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

AAV ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) ACTIVATED CHARCOAL FILTER SHUTOFF VALVE AIR CONDITIONING SYSTEM BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C L CAN E L CLUTCH PEDAL SWITCH (M/T) COMPUTER DATA LINES SYSTEM CRASH GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/WHT WIRE LUES ME-SFI CONTROL MODULE (TOP CENTER OF ENGINE) NCA WIRE ORG/ WIRE PNK 27 28 29 30 31 32 33 WIRE PNK WIRE PNK/BLK WIRE PURGE CONTROL VALVE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR REG START ENABLE CLUTCH PEDAL SWITCH (M/T) (TOP OF CLUTCH PEDAL ASSEMBLY) SUPPLEMENTAL RESTRAINTS SYSTEM UPSTREAM OF CATALYTIC CONVERTER (UNDER LEFT FRONT OF VEHICLE, IN EXHAUST) VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

AIR CONDITIONING SYSTEM AIR PUMP SWITCHOVER VALVE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/VIO WIRE BRN/YEL WIRE DOWNSTREAM OF CATALYTIC CONVERTER (UNDER LEFT FRONT OF VEHICLE, IN EXHAUST) DOWNSTREAM OF CATALYTIC CONVERTER (UNDER RIGHT FRONT OF VEHICLE, IN EXHAUST) ENGINE CIRCUIT 87 RELAY FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPARTMENT) FUSE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/WHT WIRE HEATING SYSTEM SHUTOFF VALVE HOT AT ALL TIMES INTAKE MANIFOLD SWITCHOVER VALVE INTAKE MANIFOLD TUMBLE FLAP SWITCHOVER VALVE NCA WIRE ORG/ WIRE PNK 21 22 23 WIRE PNK 27 28 29 30 31 32 33 WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLK/GRY WIRE BLK/RED WIRE BLU WIRE BLU/GRN WIRE BLU/PNK WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CYLINDER 5 INJECTION VALVE CYLINDER 6 CYLINDER 4 INJECTION INJECTION VALVE VALVE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE IGNITION COILS (TOP RIGHT SIDE OF ENGINE) INTAKE AIR TEMPERATURE SENSOR LEFT EXHAUST CAMSHAFT SOLENOID LEFT INTAKE CAMSHAFT SOLENOID ORG/ WIRE PNK 21 22 23 WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/VIO WIRE RADIO INTERFERENCE SUPPRESSION CAPACITOR 2 (TOP LEFT SIDE OF ENGINE) RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE TO SPARK PLUGS VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

AIR CONDITIONING SYSTEM BLK WIRE BLK/GRY WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE CYLINDER 1 INJECTION VALVE CYLINDER 2 INJECTION VALVE CYLINDER 3 INJECTION VALVE DCP DCM GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HAV IGNITION COILS (TOP RIGHT SIDE OF ENGINE) KWDGA LEFT KNOCK SENSOR ME-SFI (ME) CONTROL MODULE OIL LEVEL SWITCH (LEFT SIDE OF OIL PAN) OSS NWSA 2 PNK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/VIO WIRE PNK/YEL WIRE RADIO INTERFERENCE SUPPRESSION CAPACITOR 1 (TOP RIGHT SIDE OF ENGINE) RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RIGHT EXHAUST CAMSHAFT SOLENOID RIGHT INTAKE CAMSHAFT SOLENOID RIGHT KNOCK SENSOR TMOT EA TANS TO SPARK PLUGS VIO/BLK WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE