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

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 CAN B H CAN B L EMD 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 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 BRN/WHT WIRE CAN B L CAN B H CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER FRONT OF TRUNK/CARGO AREA) FAN RELAY MODULE FRONT ELECTRICAL PREFUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE FUSE 17 FUSE 18 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 LEFT INTERIOR PROTECTION PROTECTION RECEIVER TRANSMITTER INTERIOR PROTECTION, TOW-AWAY PROTECTION CONTROL UNIT (IF EQUIPPED) IRS LED IRS-OFF LEFT ENGINE HOOD CONTACT SWITCH (LEFT FRONT CORNER OF ENGINE COMPT) MULTI-FUNCTION DISPLAY NCA WIRE 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 (RIGHT 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/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION WHT WIRE WS LED YEL WIRE YEL/RED WIRE YEL/VIO WIRE

1 2 3 4 VIDEO N LVDS N VIDEO P LVDS P 2 3 1 5 6 CAN S H CAN S L 31 31 31 PNK WIRE 4 1 3 2 15 31 CAN S L CAN S H BLK WIRE BLU WIRE BRN WIRE CAN E H CAN E L CAN H H CAN H H CAN H L CAN H H CAN H L BLS H BLS_M BLS_L CAN H L CAN S H CAN S L 31 PNK WIRE CAN-G H CAN-G L CAN-S H CAN-S L COMPUTER DATA LINES SYSTEM DISTRONIC CONTROL UNIT DISTRONIC ELECTRIC CONTROLLER UNIT (CENTER OF FRONT GRILLE) DISTRONIC RADAR SENSOR ELECTRONIC STABILITY PROGRAM CONTROL UNIT (LEFT FRONT OF ENGINE COMPT) FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT BUMPER DISTRONIC SENSOR (DTR) LEFT REAR BUMPER INTELLIGENT RADAR SENSOR (W/ BLIND SPOT ASSIST), LEFT REAR BUMPER RADAR SENSOR (BEHIND LEFT END OF REAR BUMPER) MULTI-FUNCTION CAMERA ORG/ WIRE PNK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE RED/BLU WIRE RIGHT FRONT BUMPER DISTRONIC SENSOR (DTR) RIGHT REAR BUMPER INTELLIGENT RADAR SENSOR (W/ BLIND SPOT ASSIST), RIGHT REAR BUMPER RADAR SENSOR (BEHIND RIGHT REAR END OF REAR BUMPER) VIDEO, RADAR SENSOR SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE

1 2 3 4 5 (+) 1.8L TURBO 3.5L 2.1L TURBO DIESEL EXCEPT 2.1L TURBO DIESEL 12 13 CAN E L CAN E H 41 54 34 53 21 49 27 41 54 24 36 11 49 25 41 54 26 13 24 25 12 CAN-E H CAN-E L 66 51 77 76 46 45 43 18 42 40 48 24 IPM (+) SV ACCEL SET/ ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR BLK WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C H CAN C L CAN E H CAN E L COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DCM DCP DEC DECEL/ SET DISTRONIC CONTROL (IF EQUIPPED) DISTRONIC WARNING LAMP (IF EQUIPPED) ENGINE CONTROLS SYSTEM FULLY INTEGRATED TRANSMISSION CONTROL CONTROL UNIT GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE IND INSTRUMENT CLUSTER OFF OUTPUT SHAFT RPM SENSOR PEDAL ASSEMBLY) PNK SIG GND WIRE RED/BLU WIRE RES+ RESUME STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) THROTTLE VALVE ACTUATOR (2.1L TURBO DIESEL) (ON THROTTLE BODY) VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE YEL WIRE

1 2 CAN-B H CAN-B L 2 1 5 4 CAN B H CAN B L 30 31 AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE GRY WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT OUTSIDE MIRROR MIRROR HEATER REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/ CARGO AREA) REAR WINDOW HEATER BUTTON RED WIRE RED/GRY WIRE RED/WHT WIRE RIGHT OUTSIDE MIRROR WHT WIRE

1 2 3 CAN-A H CAN-A L 31 1 2 3 CAN-C H CAN-C L 31 1 2 CAN-A H CAN-A L 1 2 CAN-C H CAN-C L 3 2 CAN-C H CAN-C L 3 4 10 9 CAN-C H CAN-C L 3 4 CAN-A H CAN-A L 3.5L EXCEPT 3.5L 4 14 CAN-A H CAN-A L 4 8 CAN-A H CAN-A L 8 2 CAN-A H CAN-A L 8 4 CAN-A H CAN-A L AUDIO/COMAND CONTROL PANEL AUDIO/COMAND DISPLAY BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN/WHT WIRE CAN-G H CAN-G L CAN-G H CAN-G L CAN-G H CAN-G L CRADLE FOR NAVIGATION MODULE DRIVE TRAIN CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR DVD PLAYER (W/ TV, VIDEO IN REAR) FUEL PUMP CONTROL MODULE (UNDER RIGHT REAR SEAT) FULLY INTEGRATED TRANSMISSION CONTROL UNIT GRN WIRE GRN/WHT WIRE HEADLAMP CONTROL UNIT LEFT FRONT LAMP UNIT (W/ XENON LAMPS) LEFT REAR DISPLAY (W/ TV, VIDEO IN REAR) LEFT XENON LIGHT CONTROL UNIT RIGHT FRONT LAMP UNIT (W/ XENON LAMPS) RIGHT REAR DISPLAY (W/ TV, VIDEO IN REAR) RIGHT XENON LIGHT CONTROL UNIT TELEMATICS CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR WHT WIRE YEL WIRE YEL/WHT WIRE

1 2 3 CAN-B H CAN-B L 31 1 2 CAN-B H CAN-B L 1.8L TURBO EXCEPT 1.8L TURBO 11 9 CAN-B H CAN-B L 12 6 CAN-A H CAN-A L 2 1 CAN-B H CAN-B L 3 4 2 3 CAN-B H CAN-B L 30 31 CAN-B H CAN-B L 7 5 CAN-B H CAN-B L 7 6 CAN-B H CAN-B L 7 8 CAN-B H CAN-B L 9 10 CAN-B L CAN-B H AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT (2, 3 ZONES THERMATIC) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CAN C H CAN C L CAN E H CAN E L CAN-B H CAN-B L CAN-C L CAN-C H CAN-E L CAN-E H CAN-D H CAN-D L CAN-G H CAN-G L CDI CONTROL MODULE (2.1L TURBO DIESEL) (LEFT SIDE OF ENGINE) COMMAND CONTROL UNIT DIAGNOSTIC CONNECTOR (DLC) (UNDER LEFT SIDE DASH) DRIVER SEAT CONTROL UNIT (UNDER DRIVER'S SEAT) EMERGENCY CALL SYSTEM CONTROL UNIT FRONT SAM CONTROL UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE LEFT VEHICLE FLOOR INTERIOR CAN VOLTAGE DISTRIBUTOR ELECTRICAL CONNECTOR PANORAMIC SLIDING ROOF CONTROL MODULE (LEFT FRONT OF ROOF) PNK 3 4 WIRE PNK WIRE PNK/WHT WIRE RADIO 12 6 CAN-B H CAN-B L TRAILER RECOGNITION CONTROL MODULE (GLK-CLASS: RIGHT REAR CARGO AREA) W/ OVERHEAD CONTROL PANEL W/ CAN YEL WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 CAN-E L CAN-E H 31 30 1 2 ALDW+ ALDW- 1 2 LH+ LH- 1 2 NTC + NTC - 2 3 GND LSP- 2 3 LSP+ GND BACK, VOICE CONTROL SYSTEM OFF BUTTON BEAM SWITCH BLK WIRE BLU WIRE BRN WIRE CENTER HORNS BUTTON COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DECELERATE, SET SWITCH RESUME FROM MEMORY SWITCH ACCELERATE, SET SWITCH DISTRONIC CONTROL (IF EQUIPPED) FANFARE HORNS, AIR BAG CLOCK SPRING CONTACT FRONT SAM CONTROL UNIT W/ FUSE CONTROL UNIT W/ FUSE/RELAY MODULE (RIGHT SIDE OF TRUNK) FUSE FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HEATING ELEMENT TEMPERATURE SENSOR HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INDICATOR SWITCH LEFT FANFARE HORN SYSTEM BUTTON LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP LH+/ALDW+ LH-/ALDW- MUTE BUTTON OFF SWITCH OK BUTTON ORG/ WIRE PNK MUTE WIRE REAR SAM RED WIRE RED/BLU WIRE RED/ORG WIRE RIGHT FANFARE HORN SYSTEM BUTTON RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP SCROLL FORWARD/ BACK BUTTON STEERING ANGLE SENSOR STEERING COLUMN ADJUSTMENT SWITCH STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER STEERING WHEEL HEATER HEATING ELEMENT STEERING WHEEL VIBRATION MOTOR (W/ AUTOMATIC LANE DETECTION) SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM SELECTION BUTTON TEL TURN SIGNAL LAMP SWITCH HEADLAMP FLASHER/HIGH BEAM SWITCH LOW VIO WIRE VOICE CONTROL SYSTEM ON BUTTON W/ STEERING WHEEL HEATER, AUTOMATIC LANE DETECTION WINDSHIELD WASHER SYSTEM SWITCH WIPE SWITCH YEL WIRE

1 2 CAN-B H CAN-B L 2 HS AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BRN WIRE BRN/RED WIRE CAN B L CAN B H COMPUTER DATA LINES SYSTEM COUPE FUSE HEATED REAR WINDOW RELAY HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (RIGHT SIDE OF TRUNK/CARGO AREA) REAR WINDOW ANTENNA AMPLIFIER 1 (IF EQUIPPED) (CENTER REAR OF ROOF) REAR WINDOW HEATER REAR WINDOW HEATER BUTTON REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 1 REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 1 (SEDAN) REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR 2 RED WIRE VIO/WHT WIRE W/O ECO START/ STOP FUNCTION W/ ECO START/ STOP FUNCTION

15 SIG 30 30 (+) 31 SIG 58 SL-L SL-R (+) PNK WIRE 7 8 9 10 11 12 13 14 (+) ANST ZV ANT BSL-R ANTI-THEFT SYSTEM SOUND SYSTEMS SEATS SYSTEM SUPPLEMENTAL BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY 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/GRY WIRE BLU/VIO 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 H CAN B L 31 31 31 31 CAN B L CAN B H (+) (+) SIG LIN COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR LOCKS SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE FUSE 164 GRN WIRE GRN/BLU WIRE GRN/RED 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 AT ALL TIMES 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 PNK BSL-L WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE (RIGHT 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 SEATS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM SIG SIG SIG SIG SOUND SYSTEMS SOUND SYSTEMS SEATS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM STARTING/CHARGING SYSTEM VIO/BLU WIRE VIO/WHT WIRE W/O ECO START/STOP FUNCTION WHT/BLU WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM SOUND SYSTEMS EXTERIOR LIGHTS SYSTEM YEL WIRE