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

ABS IND. BLK WIRE BLK/RED WIRE BLS_H BLS_L BLS_M BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRAKE FLUID, PARKING BRAKE WARNING IND BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE CAN E H CAN E H CAN E L CAN E L CAN H H CAN H L COMPUTER DATA LINES SYSTEM DF HR M DF HR S DF VL S DF VL M 31 ECO 31 ELECTRONIC STABILITY PROGRAM CONTROL UNIT (LEFT FRONT OF ENGINE COMPT) ESP WARNING LAMP IND FRONT AXLE BRAKE PRESSURE SENSOR FRONT AXLE SWITCH OVER VALVE FRONT PRESSURE SENSOR FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 20 FUSE 1 FUSE 14 FUSE 21 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HIGH PRESSURE, RETURN PUMP MOTOR HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER LEFT FRONT AXLE RPM SENSOR (ON LEFT FRONT STEERING KNUCKLE ASSEMBLY) LEFT FRONT PRESSURE REGULATOR VALVE (HOLD) LEFT FRONT PRESSURE REGULATOR VALVE (RELEASE) LEFT REAR AXLE RPM SENSOR (ON LEFT REAR WHEEL HUB ASSEMBLY) LEFT REAR PRESSURE REGULATOR VALVE (HOLD) LEFT REAR PRESSURE REGULATOR VALVE (RELEASE) NCA WIRE PML 30 DF VR M DF VR S BLA DF HL S DF HL M PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE REAR PRESSURE SENSOR REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT AXLE RPM SENSOR (ON RIGHT FRONT STEERING KNUCKLE ASSEMBLY) RIGHT FRONT PRESSURE REGULATOR VALVE (HOLD) RIGHT FRONT PRESSURE REGULATOR VALVE (RELEASE) RIGHT REAR AXLE RPM SENSOR (ON RIGHT REAR WHEEL HUB ASSEMBLY) RIGHT REAR PRESSURE REGULATOR VALVE (HOLD) RIGHT REAR PRESSURE REGULATOR VALVE (RELEASE) TAXIMETER ELECTRICAL CONNECTOR TRACTION SYSTEM HYDRAULIC UNIT VIO WIRE VIO/WHT WIRE WHT GRN/ WIRE WHT WIRE YAW RATE, LATERAL, LONGITUDINAL ACCELERATION SENSOR (UNDER DRIVER'S SEAT)

1 2 3 4 31 30 GND DATA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CAN B H CAN B L AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE COMBUSTION ENGINE, A/C WITH INTEGRATED CONTROL FAN MOTOR COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM FUSE 105 FUSE 119 GND (-) 31 GRN/BLU WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INTERIOR FUSE BOX (BEHIND LEFT END OF DASH) LUES PURGE CONTROL VALVE REAR BLOWER MOTOR REAR WINDOW HEATER BUTTON RED WIRE RED/BLK WIRE RED/VIO WIRE REG SIG NTC DATA FOND GND DATA MRM THS TMOT VIO/WHT WIRE

BLK/RED WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE COOLANT THERMOSTAT DATA FRONT SAM CONTROL UNIT W/ FUSE, RELAY FUSE FUSE 12 GRY/BLK WIRE GRY/BLU WIRE HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED INTERIOR TEMPERATURE SENSOR (IN DASH, RIGHT OF STEERING COLUMN) INTERIOR TEMPERATURE SENSOR W/ INTEGRATED FAN LEFT CENTER AIR OUTLET SYMBOL ILLUMINATION LEFT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION MODULE (LEFT REAR OF ENGINE COMPT) NCA WIRE NTC- OVERHEAD CONTROL PANEL ELECTRONICS (W/ OVERHEAD CONTROL PANEL W/O CAN) REAR AIR OUTLET SYMBOL ILLUMINATION REAR AUTOMATIC AIR CONDITIONING OPERATING UNIT RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE REFRIGERANT COMPRESSOR REFRIGERANT PRESSURE SENSOR (AT BOTTOM LEFT SIDE OF RADIATOR CONDENSER) RIGHT CENTER AIR OUTLET SYMBOL ILLUMINATION RIGHT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION SOLID STATE VIO/WHT WIRE W/ AIR OUTLET SYMBOL ILLUMINATION

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

BLU/BLK WIRE BRN WIRE BRN/BLK WIRE DATA DEW POINT SENSOR DIFFUSE FLAP ACTUATOR MOTOR GRY/BLU WIRE LEFT CENTER AIR OUTLET SYMBOL ILLUMINATION LEFT CENTER OUTLET FLAP ACTUATOR MOTOR LEFT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION NCA WIRE RAM AIR FLAP ACTUATOR MOTOR REAR AUTOMATIC AIR CONDITIONING OPERATING UNIT RED WIRE RED/BLK WIRE RED/VIO WIRE RIGHT CENTER AIR OUTLET SYMBOL ILLUMINATION RIGHT CENTER OUTLET FLAP ACTUATOR MOTOR RIGHT DEFROSTER VENT FLAP ACTUATOR MOTOR RIGHT FOOTWELL FLAP ACTUATOR MOTOR RIGHT FRONT SIDE AIR OUTLET SYMBOL ILLUMINATION VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE W/ AIR OUTLET SYMBOL ILLUMINATION WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL 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

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 CAN-B H CAN-B L 10 11 6 7 CAN-H H CAN-H L CAN-E H CAN-E L 10 9 CAN-B H CAN-B L 11 12 CAN-B H CAN-B L 13 12 17 18 CAN-E H CAN-E L CAN-B L CAN-B H 14 15 CAN-B H CAN-B L 18 9 CAN-B H CAN-B L 2 1 CAN-B H CAN-B L 2 1 CAN-E H CAN-E L 3 4 CAN B H CAN B L 6 5 CAN-B H CAN-B L 7 5 CAN-B H CAN-B L BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN E H CAN E L ELECTRICAL CONNECTOR, FRONT PASSENGER SEAT CONTROL UNIT GRN WIRE GRN/WHT WIRE INSTRUMENT CLUSTER KEYLESS GO CONTROL UNIT (IF EQUIPPED) LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (IF EQUIPPED) PARKTRONIC CONTROL UNIT (IF EQUIPPED) RADAR SENSORS CONTROL UNIT (W/ CITY ASSIST SYSTEM) REVERSE CAMERA CONTROL MODULE (W/ BACKUP CAMERA) RIGHT VEHICLE FLOOR INTERIOR CAN VOLTAGE DISTRIBUTOR STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) TAILGATE CONTROL UNIT (W/ AUTOMATIC TAILGATE) TIRE PRESSURE MONITOR CONTROL UNIT (IF EQUIPPED) (LEFT SIDE OF TRUNK) VEHICLE FLOOR CHASSIS CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR VIO WIRE VIO/WHT WIRE WEIGHT SENSING SYSTEM CONTROL UNIT (IF EQUIPPED) (UNDER FRONT PASSENGER'S SEAT)

1 2 CAN-H H CAN-H L 1 2 CAN-I L CAN-I H PNK WIRE 13 12 CAN-E L CAN-E H 4 5 CAN-H H CAN-H L 53 40 42 55 41 54 PNK CAN-I L CAN-I H CAN-C H CAN-C L CAN-E H CAN-E L WIRE 74 75 CAN-E L CAN-E H ADAPTIVE DAMPING SYSTEM CONTROL UNIT (W/ ADAPTIVE DAMPING SYSTEM, ESP) BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L DISTRONIC ELECTRIC CONTROLLER UNIT (IF EQUIPPED) ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT GRN WIRE GRN/WHT WIRE ME-SFI (ME) CONTROL MODULE (TOP CENTER OF ENGINE) PNK/WHT WIRE POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR (CAN I) RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR (IF EQUIPPED) SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT (UNDER FRONT OF CENTER CONSOLE) VEHICLE DYNAMICS CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR VIO WIRE VIO/WHT WIRE