Mercedes-Benz C-class W205/S205/C205/A205 facelift (2018-2021) coupe, sedan Wiring diagrams

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLUETOOTH ANTENNA BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE, SEDAN FRONT CENTER CONSOLE USB CONNECTOR FRONT SAM CONTROL UNIT GRN WIRE GRY/YEL WIRE LEFT FRONT DOOR MIDRANGE SPEAKER MULTI-MEDIA CONNECTION UNIT NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL UNIT RED WIRE RED/YEL WIRE RIGHT LOWER CONTROL PANEL (W/ TOUCHPAD ONLY) SHIELD USB USB GND USB H USB L VIO WIRE W/ WIRELESS MOBILE PHONE CHARGING, MULTI-FUNCTION TELEPHONY W/O WIRELESS MOBILE PHONE CHARGING, MULTI-FUNCTION TELEPHONY WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLUETOOTH ANTENNA BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE, SEDAN FRONT CENTER CONSOLE USB CONNECTOR FRONT SAM CONTROL UNIT GRN WIRE GRY/YEL WIRE LEFT FRONT DOOR MIDRANGE SPEAKER MULTI-MEDIA CONNECTION UNIT NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL UNIT RED WIRE RED/YEL WIRE RIGHT LOWER CONTROL PANEL (W/ TOUCHPAD ONLY) SHIELD USB USB GND USB H USB L VIO WIRE W/ WIRELESS MOBILE PHONE CHARGING, MULTI-FUNCTION TELEPHONY W/O WIRELESS MOBILE PHONE CHARGING, MULTI-FUNCTION TELEPHONY WHT WIRE YEL WIRE

ALARM SIREN AMBIANCE ILLUMINATION CONTROL UNIT BLUE LIGHT SEPARATION POINT BRN WIRE CENTER CONSOLE ANTI-THEFT ALARM SYSTEM SWITCH GROUP COOLANT CIRCULATION PUMP COUPE COUPE CONVERTIBLE COUPE, SEDAN DC-DC CONVERTER CONTROL UNIT DIAGNOSTIC CONNECTOR DRIVER SIDE ENGINE HOOD CONTACT SWITCH DRIVETRAIN CONTROL UNIT DRIVETRAIN SENSOR CAN (CAN I) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR ELECTRIC POWER STEERING CONTROL UNIT FOOTWELL ILLUMINATION SWITCH FRONT FLASHING LIGHT POINT FRONT SAM CONTROL UNIT HERMES CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR INTERIOR PROTECTION SENSOR LEFT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR LEFT SOFT TOP LOCKED SWITCH LOW TEMPERATURE CIRCUIT CIRCULATION PUMP 1 LOWER LEFT CENTER CONSOLE AMBIENT LIGHTING LOWER RIGHT CENTER CONSOLE AMBIENT LIGHTING MOBILE PHONE CRADLE CONTROL UNIT MONO MULTI-FUNCTION CAMERA OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING SUNROOF CONTROL MODULE PARK PAWL CAPACITOR PEDAL OPERATION MONITOR BUZZER PEDAL OPERATION MONITOR SWITCH PERIPHERALS CAN (CAN PER) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR POLICE BEACON SEPARATION POINT PWR-1 RADIATOR SHUTTERS ACTUATOR MOTOR RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR CONTROL UNIT RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT DOOR INTERIOR PROTECTION SENSOR RIGHT FRONT LAMP UNIT RIGHT SOFT TOP LOCKED SWITCH ROOF LIGHT BAR SEPARATION POINT SLIDING ROOF CONTROL MODULE SOUND GENERATOR SPECIAL SIGNAL SYSTEM OPERATING UNIT STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STEREO MULTI-FUNCTION CAMERA TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH UPPER LEFT CENTER CONSOLE AMBIENT LIGHTING UPPER RIGHT CENTER CONSOLE AMBIENT LIGHTING USER INTERFACE CAN (CAN HMI) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR W/ HERMES LTE W/ PANORAMA W/O LED WIND DEFLECTOR ACTUATOR MOTOR

ACTIVE ENGINE SOUND GENERATOR CONTROL UNIT BACKUP CAMERA CONTROL UNIT BRN WIRE BRN/WHT WIRE CENTER STOP LAMP COUPE COUPE CONVERTIBLE COUPE, SEDAN COUPE, SEDAN, CONVERTIBLE DRAFT STOP ACTUATOR MOTOR DRIVER SIDE BAG SQUIB ELECTRONIC DIFFERENTIAL CONTROL UNIT EXHAUST FLAP SWITCHOVER VALVE FAN MOTOR GRN WIRE INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT INTELLIGENT DRIVE CONTROL UNIT LEFT LICENSE PLATE LAMP LEFT LUGGAGE COMPARTMENT LAMP LEFT LUGGAGE COMPARTMENT REAR BACKREST RELEASE BUTTON LEFT OUTER REAR BUMPER RADAR SENSOR LEFT REAR BACKREST INCLINATION SWITCH LEFT REAR BACKREST RELEASE ACTUATOR LEFT REAR BACKREST RELEASE BUTTON LEFT REAR LAMP UNIT LEFT TRUNK LID/ LIFTGATE AMBIENT LAMP, WARNING LAMP LEFT TRUNK PARTITION HALL SENSOR LUGGAGE COMPARTMENT SOCKET NCA WIRE PARKING SYSTEM CONTROL UNIT PWR-2 REAR CAMERA COVER MOTOR REAR CONTROL UNIT REAR SAM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT REAR SWITCHING MODULE REAR WINDOW GLASS BREAKAGE SENSOR REAR WINDOW INTERFERENCE SUPPRESSION CAPACITOR RIGHT LICENSE PLATE LAMP RIGHT LUGGAGE COMPARTMENT REAR RELEASE BACKREST BUTTON RIGHT OUTER REAR BUMPER RADAR SENSOR RIGHT REAR BACKREST INCLINATION SWITCH RIGHT REAR BACKREST RELEASE ACTUATOR RIGHT REAR CONTROL UNIT RIGHT REAR LAMP UNIT RIGHT REAR OUTER BUMPER RADAR SENSOR RIGHT TRUNK PARTITION HALL SENSOR ROOT LIGHT BAG SEPARATION POINT SEDAN SEDAN, COUPE SOFT TOP CONTROL HYDRAULIC UNIT SPECIAL SIGNAL SYSTEM CONTROL UNIT SPECIAL-PURPOSE VEHICLE MULTI-FUNCTION CONTROL UNIT TAILGATE CONTROL UNIT TRAILER HITCH RELEASE SWITCH TRUNK LID CONTROL UNIT TRUNK PARTITION HALL SENSOR CLOSED WHT WIRE

AIRMATIC COMPRESSOR BRN WIRE CENTER REAR SEAT BELT BUCKLE SWITCH CENTER STOP LAMP COUPE, SEDAN DC/AC CONVERTER CONTROL UNIT KEYLESS-GO CONTROL UNIT LEFT FANFARE HORN LEFT FRONT LAMP UNIT LEFT REAR BACKREST LOCK SWITCH LEFT TRUNK LID/ LIFTGATE AMBIENT LAMP, WARNING LAMP NCA WIRE PWR-1 RADIATOR TRIM FLAP ACTUATOR MOTOR REAR CONTROL UNIT REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RIGHT CARGO AREA COVER ACTUATOR MOTOR RIGHT FANFARE HORN RIGHT LUGGAGE COMPARTMENT LAMP RIGHT REAR BACKREST INCLINATION SWITCH RIGHT REAR BACKREST LOCK SWITCH RIGHT REAR BACKREST RELEASE BUTTON SEDAN, COUPE SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEM MIDLINE AMPLIFIER CONTROL UNIT SPRAY NOZZLE HOSE HEATER TAILGATE WIPER MOTOR TANK CAP CENTRAL LOCKING ACTUATOR TIRE PRESSURE MONITOR CONTROL UNIT TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID/ LIFT GATE LOCK TRUNK LID/ LIFTGATE EXTERNAL OPERATION SWITCH TV TUNER CONTROL UNIT W/O LED

AUDIO H AUDIO L+ BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CENTER LEFT REAR PARKING SYSTEM DISTANCE SENSOR CENTER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR COMPUTER DATA LINES SYSTEM COUPE, SEDAN DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 202 FUSE 477 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INNER LEFT REAR PARKING SYSTEM DISTANCE SENSOR INNER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR OUTER LEFT REAR PARKING SYSTEM DISTANCE SENSOR OUTER RIGHT REAR PARKING SYSTEM DISTANCE SENSOR PARKING SYSTEM CONTROL UNIT PNK WIRE REAR FUSE, RELAY MODULE RED WIRE RED/WHT WIRE SIG VIO WIRE WHT/RED WIRE WHT/YEL WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE, SEDAN DISCONNECT SWITCH RELAY ENERGIZED EC (+) EC GND EC GND EC+ FRONT SAM CONTROL UNIT FUSE 3 FUSE 302 FUSE 312 FUSE 406 HOT W/ BATTERY HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSIDE REAR VIEW MIRROR LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR MULTIPLE FUSE 1 NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FUSE, RELAY MODULE RED WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR YEL WIRE

BLK/BLU WIRE BLK/GRN WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE COUPE, SEDAN FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FRONT SAM CONTROL UNIT FUSE 476 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT BACKREST RELEASE/ INCLINATION MICROSWITCH LEFT LUGGAGE COMPARTMENT REAR BACKREST RELEASE BUTTON LEFT REAR BACKREST INCLINATION SWITCH LEFT REAR BACKREST LOCK SWITCH LEFT REAR BACKREST RELEASE ACTUATOR ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE ORG/PNK WIRE PNK WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRN WIRE RIGHT BACKREST RELEASE/ INCLINATION MICROSWITCH RIGHT LUGGAGE COMPARTMENT REAR BACKREST RELEASE BUTTON RIGHT REAR BACKREST INCLINATION SWITCH RIGHT REAR BACKREST LOCK SWITCH RIGHT REAR BACKREST RELEASE ACTUATOR SIG SIG PNK (+) WIRE YEL/GRN WIRE

30 T AUDIO H AUDIO L+ BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE COUPE, SEDAN FUSE 473 GRN WIRE GRN/BLK WIRE GRN/PNK WIRE GRY WIRE GRY/BLK WIRE HERMES CONTROL UNIT HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FOOTWELL WOOFER LEFT FRONT DOOR MIDRANGE SPEAKER LEFT FRONT DOOR TWEETER LEFT REAR DOOR/SIDE PANELING MIDRANGE SPEAKER LEFT REAR DOOR/SIDE PANELING TWEETER LEFT REAR SIDEWALL COVER MIDRANGE SPEAKER LEFT REAR SIDEWALL COVER TWEETER LEFT REAR SURROUND SOUND SYSTEM MIDRANGE SPEAKER MOST MOST DATA BUS CIRCUIT MUTE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/PNK WIRE PNK WIRE PNK/BLK WIRE REAR FUSE, RELAY MODULE RED WIRE RIGHT FOOTWELL WOOFER RIGHT FRONT DOOR MIDRANGE SPEAKER RIGHT FRONT DOOR TWEETER RIGHT REAR DOOR/SIDE PANELING MIDRANGE SPEAKER RIGHT REAR DOOR/SIDE PANELING TWEETER RIGHT REAR SIDEWALL COVER MIDRANGE SPEAKER RIGHT REAR SIDEWALL COVER TWEETER RIGHT REAR SURROUND SOUND SYSTEM MIDRANGE SPEAKER SEDAN SOUND SYSTEM AMPLIFIER CONTROL UNIT VIO WIRE VIO/BLK WIRE WAKE-UP WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BRN WIRE COUPE, SEDAN FM 2, DAB, TV 1 ANTENNA AMPLIFIER FUSE 414 HEAD UNIT (CENTER OF DASH) HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MOST MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE REAR FUSE, RELAY MODULE REAR WINDOW ANTENNA RED/WHT WIRE SHIELD SIG TV 1 TV 1, DAB BAND III ANTENNA TV 2 TV 2 ANTENNA AMPLIFIER TV 2, DAB BAND III ANTENNA TV 3 TV 3 ANTENNA AMPLIFIER TV TUNER CONTROL UNIT TV, DAB ANTENNA SPLITTER WAKE-UP WINDSHIELD ANTENNA