Mercedes-Benz C-class W204/S204/С204 facelift (2011-2015) blk/pnk Wiring diagrams

ABS IND. BFS BLA BLK WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/RED WIRE BLS H BLS_L (-) SIG DF HR S DF HR M BLS_M BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE FLUID, PARKING BRAKE WARNING LAMP BRAKE SYSTEM WARNING LAMP IND BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE CAN E H CAN E H CAN E L CAN E L CAN H H CAN H L COMPUTER DATA LINES SYSTEM DF VL S DF VL M 31 ECO 31 ELECTRONIC STABILITY PROGRAM WARNING LAMP ESP OFF IND LAMP ESPA/ ASR OFF WARNING LAMP SERVICE BRAKE IND LAMP EXCEPT 3.5L 3.5L 1.8L TURBO 2.1L TURBO DIESEL 2 3 4 FRONT AXLE BRAKE PRESSURE SENSOR FRONT AXLE SWITCH OVER VALVE FRONT PRESSURE SENSOR FRONT SAM CONTROL MODULE W/ FUSE, FUSE 20 FUSE 1 FUSE 14 FUSE 35 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 (GLK CLASS: LEFT FRONT WHEEL HUB ASSEMBLY) LEFT FRONT PRESSURE REGULATOR VALVE (HOLD) LEFT FRONT PRESSURE REGULATOR VALVE (RELEASE) LEFT REAR AXLE RPM SENSOR (GLK CLASS: LEFT REAR WHEEL HUB ASSEMBLY) LEFT REAR PRESSURE REGULATOR VALVE (HOLD) LEFT REAR PRESSURE REGULATOR VALVE (RELEASE) NCA WIRE PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE SUPPORT BRACKET) PML 30 DF VR M DF VR S BLA DF HL M DF HL S PNK 87 SSK WIRE PNK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE POWER STEERING PUMP QUANTITY CONTROL VALVE (IF EQUIPPED) REAR PRESSURE SENSOR REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RELAY MODULE (LEFT REAR OF ENGINE COMPT) RIGHT FRONT PRESSURE REGULATOR VALVE (HOLD) RIGHT FRONT PRESSURE REGULATOR VALVE (RELEASE) RIGHT REAR AXLE RPM SENSOR (GLK CLASS: RIGHT REAR WHEEL HUB ASSEMBLY) RIGHT REAR PRESSURE REGULATOR VALVE (HOLD) RIGHT REAR PRESSURE REGULATOR VALVE (RELEASE) SIG STEERING ANGLE SENSOR STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) TAXIMETER ELECTRICAL CONNECTOR (IF EQUIPPED) VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT GRN/ WIRE WHT WIRE

10 9 CAN B L CAN B H 17 18 12 13 CAN B L CAN B H CAN E L CAN E H 3 1 CAN E L CAN E H 4 3 15 LWR ACOUSTIC TURN SIGNAL LIGHT FUNCTION CHECK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SWITCH FRONT FOG LAMP BUTTON FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 29 FUSE 5 FUSE 30 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/PNK WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD WARNING FLASHER SWITCH HEADLAMPS HOT W/ CIRCUIT 15 RELAY ENERGIZED ILLUMINATION SWITCH INSTRUMENT CLUSTER INSTRUMENT PANEL SWITCH GROUP LEFT FRONT LAMP UNIT LEFT FRONT LAMP UNIT TURN STANDING/ PARKING LAMP SIGNAL LAMP LEFT FRONT STANDING, PARKING LAMP LEFT FRONT TURN SIGNAL LAMP LEFT SIGNAL LAMP ACTUATION MODULE LED LEFT TURN SIGNAL IND LIGHT LIN 1 LWR PNK WIRE PNK/RED WIRE REAR FOG LIGHT BUTTON RED WIRE RIGHT TURN SIGNAL IND LIGHT W/ XENON WHT WIRE YEL WIRE

1 2 3 4 31 (+) LIN 2 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 KHD 31 NTC LIN 2 GND 31 SIG AT 31 31 AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM HEADLIGHTS 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 WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CAN E H CAN E L CAN-G H CAN-G L COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES, INSTRUMENT CLUSTER SYSTEMS CRUISE CONTROL SYSTEM ENGINE CONTROLS SYSTEM DIESEL ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 152 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 HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED FUSE INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM LWR LWR SIG NCA WIRE PNK/GRN 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/VIO WIRE RED/WHT WIRE RED/YEL WIRE SIG STARTING/CHARGING, ENGINE CONTROLS SYSTEMS TRANSMISSIONS SYSTEM VIO/WHT WIRE W/O ECO START/STOP FUNCTION WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

10 9 CAN B L CAN B H 18 17 CAN B H CAN B L 2 1 COMPUTER DATA LINES SYSTEM CAN E H CAN E L 2.1L TURBO DIESEL BLK/PNK WIRE BRN WIRE BRN/RED WIRE COMBINATION SWITCH COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SWITCH FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 152 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER LWR RED WIRE RED/YEL WIRE SIG STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) W/O ECO START/STOP FUNCTION WINDSHIELD WASHER SYSTEM SWITCH WIPER SWITCH

3 2 CAN-C H CAN-C L 30 31 CAN-B H CAN-B L 4 3 2 1 30 31 CAN E H CAN E L 5 7 LWR BLK/BLU WIRE BLK/PNK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMBINATION SWITCH COMPT) COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SWITCH FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT FOG LAMP BUTTON FRONT FOG LAMP IND LAMP FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 13 FUSE 29 FUSE 30 FUSE 5 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/PNK WIRE HEADLAMP FLASHER/ HIGH BEAM SWITCH HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR HEADLAMP RANGE CONTROLLER (W/ HEADLAMP RANGE ADJUSTMENT FOR HALOGEN HEADLAMPS) HIGH BEAM IND LAMP HIGH BEAM LOW BEAM HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER LEFT DAYTIME RUNNING LAMPS HEADLAMP (IF EQUIPPED) LEFT HIGH BEAM FOG LAMP (IF EQUI- PPED) LEFT REAR LAMP UNIT LEFT RIGHT FOG FRONT LAMP UNIT LAMP (IF EQUI- PPED) LOW BEAM LOW BEAM IND LAMP LOW BEAM SWITCH LWR LWR 31 MODULE CONTROL UNIT PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE SUPPORT BRACKET) PNK/RED WIRE REAR FOG LAMP REAR FOG LAMP BUTTON REAR FOG LAMP IND LAMP 12 13 17 18 CAN E L CAN E H CAN B L CAN B H RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT DAYTIME RUNNING LAMPS HEADLAMP (IF EQUIPPED) RIGHT FRONT LAMP UNIT RIGHT REAR LAMP UNIT SIG SWITCH ILLUMINATION W/ ECO START/STOP FUNCTION W/ HEADLAMP RANGE ADJUSTMENT FOR HALOGEN HEADLAMPS W/O ECO START/STOP FUNCTION WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

3 7 LWR 9 10 CAN-B H CAN-B L BLK/BLU WIRE BLK/PNK WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT FOG LAMP BUTTON FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE FUSE 152 FUSE 161 156 FUSE 4 FUSE 29 FUSE 30 FUSE 5 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/PNK WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED HOT W/CIRCUIT 15 RELAY ENERGIZED ILLUMINATION LEFT DAYTIME RUNNING LAMPS HEADLAMP (IF EQUIPPED) LWR 31 PARKING BRAKE INDICATOR SWITCH (ON PARKING BRAKE SUPPORT BRACKET) PNK/RED WIRE PNK/WHT WIRE REAR FOG LAMP BUTTON RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT ACTIVE CURVE ILLUMINATION ACTUATOR MOTOR RIGHT ACTIVE CURVE ILLUMINATION POSITION SENSOR RIGHT CORNERING RIGHT FRONT LAMP UNIT RIGHT HEADLAMP RANGE ADJUSTMENT ACTUATOR MOTOR RIGHT LIGHT DISTRIBUTION ACTUATOR MOTOR RIGHT LIGHT DISTRIBUTION POSITION SENSOR RIGHT XENON BULB W/ INTEGRATED IGNITION MODULE RIGHT XENON LIGHT POWER SUPPLY MODULE SIG SWITCH ILLUMINATION W/O ECO START/ STOP FUNCTION W/ ECO START/ STOP FUNCTION WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

10 9 CAN B L CAN B H 3 2 LWR 7 6 4 5 12 11 10 9 CAN C H CAN C L AUTOMATIC TRANSMISSION MODE BUTTON BLK/PNK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SWITCH FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION (W/ SMOKER PACKAGE) FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FRONT VEHICLE INTERIOR POWER OUTLET (W/O SMOKER PACKAGE) FUSE 16 FUSE 28 FUSE 5 GRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION, INSTRUMENT ILLUMINATION BRIGHTNESS CONTROL LWR NCA WIRE PNK/RED WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE SHIFT GATE SYMBOL ILLUMINATION SWITCH ILLUMINATION W/O XENON LAMPS WHT WIRE YEL 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 BUMPER) CAN B L CAN B H (-) SH WV (-) 31 CAN E H CAN E L CENTER LEFT FRONT PARKTRONIC DISTANCE SENSOR (LEFT FRONT BUMPER) CENTER RIGHT FRONT PARKTRONIC DISTANCE SENSOR (RIGHT FRONT COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 59 MODULE W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/CARGO AREA) GRN WIRE GRN/WHT WIRE GRY/YEL WIRE HOT W/ CIRCUIT 15 RELAY ENERGIZED INNER LEFT FRONT PARKTRONIC DISTANCE SENSOR (LEFT FRONT BUMPER) INNER LEFT REAR PARKTRONIC DISTANCE SENSOR INNER RIGHT FRONT PARKTRONIC DISTANCE SENSOR (RIGHT FRONT INNER RIGHT REAR PARKTRONIC DISTANCE SENSOR (RIGHT REAR INSTRUMENT PANEL PARKTRONIC WARNING INDICATOR LIN 1 OUTER LEFT FRONT PARKTRONIC DISTANCE SENSOR (LEFT FRONT BUMPER) OUTER LEFT REAR PARKTRONIC DISTANCE SENSOR OUTER RIGHT FRONT PARKTRONIC DISTANCE SENSOR (RIGHT FRONT BUMPER) OUTER RIGHT REAR PARKTRONIC DISTANCE SENSOR (RIGHT REAR BUMPER) PARKTRONIC BUTTON PARKTRONIC CONTROL UNIT (RIGHT FRONT FOOTWELL) REAR PARKING SYSTEM WARNING INDICATOR REAR SAM CONTROL RED/BLU WIRE UPPER CONTROL PANEL CONTROL UNIT WH (+) (+) SV WHT/RED WIRE WHT/YEL WIRE WV (DATA) YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

1 2 3 PNK 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 5 2 1 FH H FH T H (+) HS 1 7 6 31 SIG 9 6 8 SIG SIG BLK WIRE BLK/BRN WIRE BLK/PNK WIRE BLK/VIO WIRE BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM 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 POWER WINDOW MOTOR (C-CLASS: CENTER OF LEFT FRONT DOOR) LEFT FRONT POWER WINDOW SWITCH LEFT REAR POWER WINDOW MOTOR (C-CLASS: CENTER OF LEFT REAR POWER WINDOW SWITCH NCA WIRE PASSENGER-SIDE POWER WINDOW SWITCH REAR SIDE RIGHT REAR WINDOW POWER CHILD SAFETY WINDOW LOCK SWITCH SWITCH RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT POWER WINDOW MOTOR (C-CLASS: CENTER OF RIGHT FRONT DOOR) RIGHT REAR DOOR RIGHT REAR POWER WINDOW MOTOR (C-CLASS: CENTER OF RIGHT REAR POWER WINDOW SWITCH SIG WHT WIRE YEL WIRE YEL/GRN WIRE YEL/GRY WIRE

ACTUATOR MOTOR ACTUATOR MOTOR RIGHT EXHAUST GAS RECIRCULATION POSITIONER (W/ STRATIFIED CHARGE) BLK/GRY WIRE BLK/PNK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/RED WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/WHT WIRE BRN/YEL WIRE COOLANT TEMPERATURE SENSOR CRANKSHAFT HALL SENSOR (GLK CLASS: LEFT REAR OF ENGINE) FA TANS FUEL TANK PRESSURE, TEMPERATURE SENSOR (FUEL TANK PRESSURE SENSOR: IN FUEL TANK) GRN/BLU WIRE GRN/PNK WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HALL SENSOR HALL SENSOR LEFT EXHAUST GAS RECIRCULATION POSITIONER (W/ STRATIFIED CHARGE) LEFT KNOCK SENSOR LIN ME-SFI (ME) CONTROL MODULE OIL LEVEL CHECK SWITCH PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/WHT WIRE PNK/YEL WIRE PRESSURE SENSOR DOWNSTREAM OF THROTTLE VALVE (ON THROTTLE BODY) RED/BLU WIRE RED/WHT WIRE STARTING/ CHARGING SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/YEL WIRE WHT/BLU WIRE WHT/PNK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/PNK WIRE YEL/RED WIRE YEL/WHT WIRE