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

ALARM SIREN BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L CENTER CONSOLE ANTI-THEFT ALARM SYSTEM SWITCH GROUP COMPUTER DATA LINES SYSTEM EMERGENCY ALARM SYSTEM "CANCEL" BUTTON EMERGENCY ALARM SYSTEM "TRIGGER" BUTTON FRONT SAM CONTROL UNIT FUSE 308 FUSE 312 FUSE 318 FUSE 443 GRN/WHT WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT DOOR INTERIOR PROTECTION SENSOR LEFT REAR INTERIOR PROTECTION SENSOR LEFT REAR WINDOW GLASS BREAKAGE SENSOR NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT DOOR INTERIOR PROTECTION SENSOR RIGHT REAR INTERIOR PROTECTION SENSOR RIGHT REAR WINDOW GLASS BREAKAGE SENSOR SEDAN, COUPE SIG SPECIAL-PURPOSE VEHICLE MULTI-FUNCTION CONTROL UNIT YEL WIRE YEL/WHT WIRE

AUDIO EQUIPMENT FAN MOTOR AUDIO H AUDIO L+ BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CAN A H CAN A L PNK MIC L WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DAB III DIAG DIAGNOSTIC CONNECTOR DRIVER HANDS-FREE SYSTEM MICROPHONE ETH (+) WAKE UP ETH (-) FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER FM 2 FM 2, DAB BAND III ANTENNA AMPLIFIER FM 2, DAB, TV 1 ANTENNA AMPLIFIER FM AM FM DAB III FRONT PASSENGER HANDS-FREE SYSTEM MICROPHONE FUSE 6 GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRY WIRE GRY/BLK WIRE HEAD UNIT (CENTER OF DASH) HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT "C" PILLAR) MIC GND MIC H MULTIPLE FUSE 1 MUTE NCA WIRE ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE REAR WINDOW ANTENNA RED WIRE SEDAN, COUPE SHIELD SHIELD GPS SHIELD WLAN/BT SIG TEL VIO WIRE VIO/BLK WIRE W-LAN WHT WIRE WHT/BLK WIRE WLAN ANTENNA YEL WIRE YEL/WHT WIRE

AUDIO EQUIPMENT FAN MOTOR AUDIO H AUDIO L+ BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CAN A H CAN A L PNK MIC L WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DAB III DIAG DIAGNOSTIC CONNECTOR DRIVER HANDS-FREE SYSTEM MICROPHONE ETH (+) WAKE UP ETH (-) FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER FM 2 FM 2, DAB BAND III ANTENNA AMPLIFIER FM 2, DAB, TV 1 ANTENNA AMPLIFIER FM AM FM DAB III FRONT PASSENGER HANDS-FREE SYSTEM MICROPHONE FUSE 6 GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRY WIRE GRY/BLK WIRE HEAD UNIT (CENTER OF DASH) HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT "C" PILLAR) MIC GND MIC H MULTIPLE FUSE 1 MUTE NCA WIRE ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE REAR WINDOW ANTENNA RED WIRE SEDAN, COUPE SHIELD SHIELD GPS SHIELD WLAN/BT SIG TEL VIO WIRE VIO/BLK WIRE W-LAN WHT WIRE WHT/BLK WIRE WLAN ANTENNA YEL WIRE YEL/WHT WIRE

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

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 BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONVERTIBLE, COUPE SEDAN COUPE DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP FHS DOWN FHS UP FUSE 302 FUSE 303 FUSE 406 FUSE 408 GRN WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT FRONT POWER WINDOW MOTOR LEFT FRONT POWER WINDOW SWITCH LEFT REAR DOOR CONTROL UNIT LEFT REAR POWER WINDOW MOTOR LEFT REAR POWER WINDOW SWITCH MOT- PASSENGER-SIDE A-PILLAR FUSE BOX PASSENGER-SIDE POWER WINDOW SWITCH REAR CONTROL UNIT (SEDAN, COUPE, CONVERTIBLE) (LEFT SIDE OF LUGGAGE COMPT) REAR FUSE, RELAY MODULE REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT POWER WINDOW MOTOR RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR DOOR CONTROL UNIT RIGHT REAR POWER WINDOW MOTOR RIGHT REAR POWER WINDOW SWITCH SEDAN, COUPE SIG SOFT TOP CONTROL SWITCH SYSTEM VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLU WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B L CAN HMI H CAN HMI L CENTER REAR SEAT BELT BUCKLE SWITCH COMPUTER DATA LINES SYSTEM CONVERTIBLE COUPE DRIVER SIDE BAG SQUIB FRONT PASSENGER AIR BAG BLEED VALVE SQUIB FRONT PASSENGER SEAT OCCUPIED RECOGNITION GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HERMES CONTROL UNIT INSTRUMENT CLUSTER LEFT HEAD BAG SQUIB LEFT REAR EMERGENCY TENSIONING RETRACTOR SQUIB LEFT REAR SEAT BELT BUCKLE SWITCH LEFT REAR SIDE BAG SQUIB LEFT WINDOW BAG SQUIB PNK WIRE PNK/BLK WIRE PNK/GRN WIRE RBA-1 REAR SAM CONTROL UNIT RIGHT REAR SEAT BELT BUCKLE SWITCH SEDAN SEDAN, COUPE SIG SIG (+) CAN-B H SIG GND VIO WIRE W/ HERMES CONTROL UNIT W/ SEAT OCCUPANCY RECOGNITION W/O HERMES CONTROL UNIT W/O SEAT OCCUPANCY RECOGNITION WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE DRIVER KNEEBAG SQUIB DRIVER SEAT BELT BUCKLE SWITCH FRONT PASSENGER AIR BAG SQUIB 1 FRONT PASSENGER AIR BAG SQUIB 2 FRONT PASSENGER KNEEBAG SQUIB FRONT SAM CONTROL UNIT GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/YEL WIRE PNK WIRE PNK/GRN WIRE PNK/RED WIRE PNK/YEL WIRE RBA-1 REFRIGERANT INERTING SQUIB SEDAN, COUPE SIG VIO WIRE VIO/YEL WIRE WHT/GRY WIRE YEL WIRE

BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE DRIVER AIR BAG SQUIB 1 DRIVER AIR BAG SQUIB 2 FRONT PASSENGER ANCHOR FITTING TENSIONER SQUIB FRONT PASSENGER SEAT BELT BUCKLE SWITCH GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE LEFT FRONT DOOR PRESSURE SENSOR LEFT REAR DOOR PRESSURE SENSOR NCA WIRE PNK/RED WIRE RIGHT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR RIGHT HEAD BAG SQUIB RIGHT REAR EMERGENCY TENSIONING RETRACTOR SQUIB RIGHT SIDE BAG SENSOR RIGHT WINDOW BAG SQUIB SEDAN, COUPE STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE