Mercedes-Benz C-class W204/S204 (2006-2011) fuse 12 Wiring diagrams

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 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

2 7 8 31 (+) (+) 30 31 CAN-B H CAN-B L BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN C H CAN C L COMPUTER DATA LINES SYSTEM CONTROL UNIT) DRIVER SEAT CONTACTING STRIP FRONT PASSENGER SEAT CONTACTING FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 12 GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT BACKREST HEATED CUSHION (IF EQUIPPED) LEFT FRONT HEATED SEAT BUTTON LEFT FRONT SEAT SITTING SURFACE HEATED CUSHION (IF EQUIPPED) LIN 1 31 REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF RED WIRE RED/GRN WIRE RIGHT FRONT BACKREST HEATED CUSHION (IF EQUIPPED) RIGHT FRONT HEATED SEAT BUTTON RIGHT FRONT SEAT SITTING SURFACE HEATED CUSHION (IF EQUIPPED) STRIP TRUNK/CARGO AREA) UPPER CONTROL PANEL

1 2 3 4 5 6 30 RLS SIG SIG SIG SIG GND 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 8 7 6 5 4 3 2 1 SOS LED WS LED INFO LED AMBIENT LAMP AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT AUTOMATIC DIMMING MIRROR BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B L CAN B H COMPASS DISPLAY BUTTON (USA) COMPASS MODULE W/ DISPLAY (USA) COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT EQUIPMENT) RAIN/LIGHT SENSOR (W/ RAIN/LIGHT SENSOR) (RAIN/LIGHT FRONT DOME LAMP SWITCH FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 12 FUSE 46 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GND NTC (+) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED 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 REAR WINDOW GLASS BREAKAGE SENSOR (W/ MODEL CODE 204.2) LEFT RIGHT READING READING LAMP LAMP LIGHT SENSOR (W/ STANDARD LIN 2 NCA WIRE NTC- OVERHEAD CONTROL PANEL ELECTRONICS PNK WIRE POWER TOPS SYSTEM REAR DOME LAMP, SWITCH REAR SAM CONTROL UNIT REAR WINDOW GLASS BREAKAGE SENSOR (W/ MODEL CODE 204.2) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT INTERIOR LAMP RIGHT FRONT READING LAMP SWITCH RIGHT INTERIOR PROTECTION TRANSMITTER RIGHT REAR WINDOW GLASS BREAKAGE SENSOR (W/ MODEL CODE 204.2) SENSOR) (TOP CENTER OF WINDSHIELD) SIG LIN 2 TOWING SENSOR BUTTON (W/ TOW-WAY PROTECTION, INTERIOR PROTECTION) USA USA DRIVER'S SEAT) 1 2 3 4 5 6 7 8 9 10 W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) W/ MODEL CODE 204.2 WHT WIRE WS INFO SOS 31 YEL WIRE YEL/RED WIRE YEL/VIO WIRE

2 4 3 31 (+) (-) 31 30 CAN B L CAN B H BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 12 GRN WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LIN 1 LIN 1 31 REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) REAR WINDOW ROLLER SUN BLIND BUTTON REAR WINDOW ROLLER SUN BLIND MOTOR (IF EQUIPPED) (CENTER OF HAT SHELF) RED WIRE RED/GRN WIRE UPPER CONTROL PANEL CONTROL UNIT WHT WIRE YEL WIRE