Mercedes-Benz C-class W204/S204 (2006-2011) sig Wiring diagrams

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

1 2 3 GND NTC BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE COMBUSTION ENGINE, A/C W/ INTEGRATED CONTROL FAN MOTOR COOLANT CIRCULATION PUMP COOLANT THERMOSTAT EMISSIONS SENSOR ENGINE CONTROLS SYSTEM FRONT SAM CONTROL UNIT W/ FUSE, RELAY FUSE 12 FUSE 22 GRN/BLU WIRE GRY/BLK WIRE GRY/BLU WIRE HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT FOOTWELL FLAP ACTUATOR MOTOR LUES MODULE (LEFT REAR OF ENGINE COMPT) OVERHEAD CONTROL PANEL ELECTRONICS PURGE CONTROL VALVE REAR BLEND AIR FLAP ACTUATOR MOTOR RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REG SIG SOLID STATE THS TMOT VIO/WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE

45 43 CF 16 66 CM REG LUES BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR (LEFT REAR OF ENGINE) ENGINE CONTROLS SYSTEM FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 91 GRN/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED FUSE 22 PURGE CONTROL VALVE RED WIRE RED/BLK WIRE RED/YEL WIRE REFRIGERANT PRESSURE SENSOR (AT BOTTOM LEFT SIDE OF RADIATOR CONDENSER) SIG SOLID STATE KHD TMOT VIO/WHT 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

ADAPTIVE DAMPING SYSTEM CONTROL UNIT BLK/BLU WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE CAN E H CAN E L COMPUTER DATA LINES SYSTEM GND SIG GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/WHT WIRE H SIDE H SIDE GND L SIDE LEFT FRONT AXLE DAMPING VALVE UNIT LEFT FRONT BODY LATERAL ACCELERATION SENSOR NCA WIRE PNK/WHT WIRE RIGHT FRONT AXLE DAMPING VALVE UNIT RIGHT FRONT BODY LATERAL ACCELERATION SENSOR RIGHT FRONT LEVEL SENSOR SIG SIG GND VIO/BLU WIRE WHT/BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/WHT WIRE

1 2 3 4 31 (+) LIN 2 1 2 3 4 5 6 (+) 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CAN-G H CAN-G L 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 LWR 1 2 3 4 5 6 ANST ANST 15 1 2 3 4 5 LIN 1 30 SIG 31 EDW 31 KHD 31 NTC LIN 2 GND 31 SIG AT 31 31 AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM BFS CRASH BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN E H CAN E L CAN-G H CAN-G L COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM FRONT FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GND NTC (+) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM HOT AT ALL TIMES FUSE 89 INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM ENGINE CONTROLS SYSTEM INTERIOR LIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM LWR LWR SIG NCA WIRE PNK/GRY WIRE PNK/RED WIRE PNK/WHT WIRE PNK/YEL WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RFL (+) SIG SUPPLEMENTAL RESTRAINTS SYSTEM TRANSMISSIONS SYSTEM EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM VIO/WHT WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 CAN E H CAN E H CAN E L CAN E L 15 GND 31 31 EDW CRASH 6 7 8 9 10 SIG ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM COMPUTER DATA LINES SYSTEM BBV HR BBV HL CAN B H CAN B L SIG ZV BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN C H STR EKP CAN C L CAN C L CAN C H EKP CAN D H CAN D L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM COMPUTER DATA LINES SYSTEM SOUND SYSTEMS SOUND SYSTEMS CRUISE CONTROL SYSTEM DOOR LOCKS SYSTEM ENGINE CONTROLS SYSTEM SOUND SYSTEMS EXTERIOR LIGHTS, ANTI-LOCK BRAKES SYSTEMS FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/RED WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HORNS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM WIPER/WASHER SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS INSTRUMENT CLUSTER SYSTEM PNK/BLK WIRE PNK/BLU WIRE PNK/RED WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SIG SIG SIG SOUND SYSTEMS VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE ZV ZV 31 ZV

31 30 7 34 8 CAN B L CAN B H TG R 40 41 CAN C L CAN C H 41 54 CAN E H CAN E L 6 7 CAN C L CAN C H 7 6 24 5 GSS, BF RETURN LINE SBE GSS, FA 74 75 CAN-E L CAN-E H ACOUSTIC TURN SIGNAL LIGHT FUNCTION CHECK ANTI-LOCK BRAKE SYSTEM INDICATOR LAMP AREA) BBV HL BBV HR BFS BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE FLUID, PARKING BRAKE WARNING LAMP (EXCEPT USA) BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B L CAN B H CAN E H CAN E L CAN-E L CAN-E H COMPUTER DATA LINES SYSTEM CONSOLE) COOLANT TEMPERATURE GAUGE DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEMS SWITCH (IN DRIVER'S SEAT BELT BUCKLE) ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE (UNDER CENTER ELECTRONIC STABILITY PROGRAM WARNING LAMP ELECTRONIC TRANSMISSION CONTROL UNIT ENGINE COOLANT TEMPERATURE MALFUNCTION INDICATOR ENGINE DIAGNOSIS MALFUNCTION INDICATOR LAMP FRONT PASSENGER SEAT OCCUPIED RECOGNITION (W/ SEAT BELT REMINDER WARNING) FUEL LEVEL INDICATOR FUEL RESERVE INDICATOR LAMP FUSE 28 GEAR DISPLAY (PRND) GRN WIRE GRN/WHT WIRE GRY/GRN WIRE HIGH BEAM INDICATOR LAMP INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION INSTRUMENT ILLUMINATION BRIGHTNESS CONTROL LEFT FUEL LEVEL INDICATOR SENSOR (IN FUEL TANK) LEFT TURN SIGNAL IND LAMP ME-SFI (ME) CONTROL MODULE (TOP CENTER OF ENGINE) MULTI-FUNCTION DISPLAY NCA WIRE PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE SUPPORT BRACKET) REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO RED/GRY WIRE RED/YEL WIRE RIGHT FRONT BRAKE WEAR SENSOR (AT RIGHT FRONT BRAKE ASSEMBLY) RIGHT FUEL LEVEL INDICATOR SENSOR (IN FUEL TANK) RIGHT REAR BRAKE PAD WEAR SENSOR (AT RIGHT REAR BRAKE ASSEMBLY) RIGHT TURN SIGNAL IND LAMP SEAT BELT REMINDER LAMP SERVICE BRAKE INDICATOR LAMP (USA) SIG SPEEDOMETER SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (UNDER FRONT OF CENTER CONSOLE) SUPPLEMENTAL RESTRAINT SYSTEM INDICATOR LAMP TACHOMETER, BRIGHTNESS SENSOR TG L TIRE PRESSURE MONITOR WARNING LAMP (IF EQUIPPED) TRANSMISSION MODE DISPLAY VIO/GRN WIRE WARNING BUZZER YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 (-) (+) (-) (+) (-) (+) (-) (+) 1 2 3 4 5 6 7 8 9 10 ANT GND ANT GND DATA GND DATA GND SIG SIG 1 2 3 4 5 6 7 8 9 10 ANT GND ANT GND SIG (-) SIG (-) SIG SIG 1 2 3 4 5 6 7 8 9 10 CAN B-L CAN B-H 17 18 12 13 CAN B L CAN B H CAN E L CAN E H 30 31 CAN-B H CAN-B L ANT SHIELD ANTENNA AMPLIFIER BLK WIRE BLK/WHT 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/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISPLAY DOOR OPENING ASSIST MOTOR FUSE GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE INSTRUMENT CLUSTER INTERIOR KEYLESS GO ANTENNA KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR LOCK LEFT FRONT LEFT REAR KEYLESS GO KEYLESS GO DOOR HANDLE DOOR HANDLE LEFT REAR DOOR KEYLESS GO ANTENNA LEFT REAR DOOR LOCK NCA WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT DOOR LOCK RIGHT FRONT KEYLESS GO DOOR HANDLE RIGHT REAR DOOR LOCK RIGHT REAR KEYLESS GO DOOR HANDLE ROTARY TUMBLER SWITCH SIG TRUNK LID KEYLESS GO BUTTON WHT WIRE YEL WIRE

1 2 4 5 HS 1 HS (+) FH H FH T 1 2 5 4 CAN B L CAN B H 1 2 5 4 CAN B L CAN B H 30 31 4 1 3 PASSENGER SIDE POWER WINDOW SWITCH 4 5 2 1 FH H FH T H (+) HS 1 7 6 31 SIG 9 6 8 LED SIG BLK WIRE BLK/BRN WIRE BLK/PNK WIRE BLK/VIO WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DOOR FUSE 2 FUSE 3 FUSE 41 GRN WIRE GRY WIRE H (-) HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HS(+) LEFT FRONT DOOR CONTROL UNIT LEFT FRONT POWER WINDOW MOTOR (CENTER OF LEFT FRONT DOOR) LEFT FRONT POWER WINDOW SWITCH LEFT REAR DOOR CONTROL UNIT LEFT REAR POWER WINDOW MOTOR (CENTER OF LEFT REAR LEFT REAR POWER WINDOW SWITCH NCA WIRE REAR SIDE RIGHT REAR WINDOW POWER CHILD SAFETY WINDOW LOCK SWITCH SWITCH RED WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT POWER WINDOW MOTOR (CENTER OF RIGHT FRONT DOOR) RIGHT REAR DOOR CONTROL UNIT RIGHT REAR POWER WINDOW MOTOR (CENTER OF RIGHT REAR RIGHT REAR POWER WINDOW SWITCH SIG WHT WIRE