Mercedes-Benz C-class W205/S205/C205/A205 facelift (2018-2021) gry/red Wiring diagrams

AIRMATIC COMPRESSOR AIRMATIC CONTROL UNIT AIRMATIC RELAY BATTERY DISCONNECT BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BRN WIRE CHASSIS W/ STEEL/AIR SUSPENSION ELECTRONIC IGNITION SWITCH CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 114 FUSE 132 FUSE 314 FUSE 5 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE HOT W/ LEFT FRONT AXLE DAMPING VALVE UNIT LEFT FRONT BODY LATERAL ACCELERATION SENSOR LEFT REAR BODY LATERAL ACCELERATION SENSOR N/A PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RED WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT BODY LATERAL ACCELERATION SENSOR RIGHT REAR LEVEL SENSOR SIG SIG SIG SWITCH RELAY ENERGIZED VIO WIRE VIO/BLK WIRE VLV 1 H VLV 1 L WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

AIRMATIC CONTROL UNIT AIRMATIC VALVE UNIT BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE LEFT FRONT LEVEL SENSOR LEFT REAR AXLE DAMPING VALVE UNIT LEFT REAR LEVEL SENSOR RED/VIO WIRE RIGHT FRONT AXLE DAMPING VALVE UNIT RIGHT FRONT LEVEL SENSOR RIGHT REAR AXLE DAMPING VALVE UNIT SIG SIG GND VIO/BLK WIRE VLV 2 H VLV 2 L WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE

2 3 A M K KK 6 7 TMP VD V 6 7 WAPU+ AC HOUSING, AFV BLK WIRE BLOWER MOTOR BLOWER REGULATOR BOOSTER BLOWER ELECTRONIC BLOWER REGULATOR BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CENTRAL AIR DISTRIBUTION POSITION DETECTION MICROSWITCH CLIMATE CONTROL UNIT (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE EVAPORATOR TEMPERATURE SENSOR FUSE 207 FUSE 208 FUSE 3 FUSE 415 FUSE 5 GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/RED WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FOOTWELL AIR OUTLET TEMPERATURE SENSOR NCA WIRE PASSENGER- SIDE A-PILLAR BOX PERFUME ATOMIZER GENERATOR PNK WIRE REAR CENTER AIR VENT AIR OUTLET TEMPERATURE SENSOR REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOOTWELL AIR OUTLET TEMPERATURE SENSOR SIG STATIONARY HEATER UNIT SW POS TEMP TMP FR L TMP FR R VEHICLE INTERIOR PREFUSE BOX VIO/YEL WIRE W/ AIR BALANCE PACKAGE WHT/BLU WIRE YEL WIRE YEL/VIO WIRE

AIR QUALITY SENSOR BRN WIRE BRN/VIO WIRE BRN/WHT WIRE COOLANT CIRCULATION PUMP DEFROSTER VENT FLAP ACTUATOR MOTOR DEFROSTER/FOOTWELL/ CENTER AIR VENT FLAP ACTUATOR MOTOR DRIVER SIDE AIR VENT IONIZER FRESH AIR/RAM AIR/ AIR RECIRCULATION FLAP ACTUATOR MOTOR FRESH AIR/RAM AIR/AIR RECIRCULATION FLAP ACTUATOR MOTOR GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/RED WIRE LEFT A-PILLAR AIR DISTRIBUTION ACTUATOR MOTOR LEFT BLENDING AIR FLAP ACTUATOR LEFT SIDE AIR OUTLET TEMPERATURE SENSOR NCA WIRE PNK WIRE REAR AIR CONDITIONING OPERATING UNIT REAR BLEND AIR FLAP ACTUATOR MOTOR RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE REFRIGERANT PRESSURE SENSOR RIGHT A-PILLAR AIR DISTRIBUTION ACTUATOR MOTOR RIGHT BLENDING AIR FLAP ACTUATOR RIGHT END OF DASH) RIGHT FOOTWELL VENT/ CENTER AIR VENT, SIDE AIR VENT FLAP ACTUATOR MOTOR RIGHT SIDE AIR OUTLET TEMPERATURE SENSOR STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER VIO/YEL WIRE W/ AIR BALANCE PACKAGE WHT/BLU WIRE YEL WIRE YEL/VIO WIRE

BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH COOLANT PUMP RELAY COOLANT TEMPERATURE SENSOR COOLANT THERMOSTAT HEATING ELEMENT DRIVER-SIDE FUSE, RELAY MODULE DRIVETRAIN CONTROL UNIT ELECTRIC COOLANT PUMP ENGINE COMPARTMENT PREFUSE BOX FAN MOTOR (BEHIND RADIATOR) FRONT SAM CONTROL UNIT FUSE 101 FUSE 107 FUSE 119 FUSE 209 FUSE 3 FUSE 315 FUSE 5 FUSE 7 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/RED WIRE GRY/YEL WIRE HOT W/ HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ CPC RELAY ENERGIZED INSTRUMENT CLUSTER LEFT VEHICLE-END, ENGINE-END BUSBAR STUD 3 ME-SFI (ME) CONTROL UNIT NCA WIRE OUTSIDE TEMPERATURE SENSOR PANEL) PASSENGER-SIDE A-PILLAR FUSE BOX POWER SUPPLY POTENTIAL DISTRIBUTOR 3 PWR-1 RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RBA-1 RED WIRE RED/GRN WIRE RED/WHT WIRE REFRIGERANT COMPRESSOR (LOWER LEFT FRONT OF ENGINE) REFRIGERANT COMPRESSOR MAGNETIC CLUTCH REFRIGERANT COMPRESSOR REGULATION VALVE RELAY ENERGIZED SIG VIO/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM DOOR DRIVER-SIDE FUSE, RELAY MODULE FUSE 209 FUSE 302 FUSE 406 GRY/RED WIRE HEAT (+) HEAT GND HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE RED WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT RIGHT OUTSIDE MIRROR

AIRSCARF CONTROL UNIT AMBIANCE ILLUMINATION CONTROL UNIT BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN B L RBA-1 CLIMATE CONTROL OPERATING UNIT CLIMATE CONTROL UNIT COUPE FRONT SAM CONTROL UNIT FRONT SEAT HEATER CONTROL UNIT GRY/BLK WIRE GRY/RED WIRE LEFT FRONT DOOR CONTROL UNIT LEFT FRONT MULTICONTOUR SEAT CONTROL UNIT LEFT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR LEFT REAR DOOR CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE PNK WIRE PNK/WHT WIRE REAR AIR CONDITIONING OPERATING UNIT REAR CONTROL UNIT REAR SAM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT RIGHT REAR DOOR CONTROL UNIT SEDAN, COUPE SLIDING ROOF CONTROL MODULE STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER TRUNK LID CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ PANORAMIC SLIDING SUNROOF W/O PANORAMIC SLIDING SUNROOF

BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 209 FUSE 474 FUSE 7 GRY/RED WIRE HEATED REAR WINDOW RELAY HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED NCA WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT REAR WINDOW HEATER REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR RED WIRE RED/BLU WIRE RED/WHT WIRE REL (+) HECKR SEDAN, COUPE VEHICLE INTERIOR PREFUSE BOX VIO/GRN WIRE

AIR CONDITIONING SYSTEM BLU WIRE BRN WIRE BRN/GRY WIRE FUSE 308 FUSE 480 GRN/VIO WIRE GRY/RED WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE RED WIRE SHD SHIELD SIG STATIONARY HEATER FUEL PUMP STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STATIONARY HEATER SWITCHOVER VALVE STATIONARY HEATER UNIT TELEPHONE ANTENNA SPLITTER TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH W/ ANTENNA SPLITTER W/O ANTENNA SPLITTER

AAG BL (+) BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE BUL (+) CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE F LIGHT GND FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 448 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED ILLU ILLU GND MOT GND/(+) PNK WIRE PNK/RED WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RFL (+) SENS SENS (+) SENS GND SIG (1) SIG (2) TL L (+) TL-R (+) TRAILER HITCH RELEASE TRAILER HITCH RELEASE SWITCH TRAILER RECOGNITION CONTROL UNIT TRAILER SOCKET (UNDER CENTER OF REAR BUMPER) TSI R (+) TSI-L (+) WHT WIRE YEL WIRE