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

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE DRAFT STOP ACTUATOR MOTOR FRONT SOFT TOP LOCK MOTOR FUSE 303 GRN WIRE GRN/BLK WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT SOFT TOP COMPARTMENT LID LOCKED LIMIT SWITCH LEFT SOFT TOP COMPARTMENT LID UP LIMIT SWITCH LEFT SOFT TOP LOCKED SWITCH MOT- ORG/ WIRE ORG/BLK WIRE ORG/BRN WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/WHT WIRE REAR CONTROL UNIT RED WIRE RED/BLU WIRE RED/ORG WIRE RED/VIO WIRE RIGHT SOFT TOP BOW LOCKED DOWN LIMIT SWITCH RIGHT SOFT TOP COMPARTMENT LID LOCKED LIMIT SWITCH RIGHT SOFT TOP LOCKED SWITCH SIG VIO WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WIND DEFLECTOR ACTUATOR MOTOR YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/ORG WIRE YEL/PNK WIRE YEL/VIO WIRE YEL/WHT WIRE

ACCELERATOR PEDAL SENSOR BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT FLEX-E BM FLEX-E BP FLEX-E BP PNK FLEX-E BM WIRE FUSE 311 FUSE 315 FUSE 472 FUSE 477 GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES INTELLIGENT DRIVE CONTROL UNIT ME-SFI (ME) CONTROL UNIT MOT- MULTIPLE FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE REAR FUSE, RELAY MODULE RED WIRE RED/WHT WIRE SENS (+) SENS 1 SENS 2 SENS GND SIG STEERING COLUMN MODULE CONTROL UNIT THROTTLE VALVE ACTUATOR VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BLK WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR DRIVER SEAT CONTROL UNIT DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR DRIVER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR FLEXRAY BP FUSE 305 FUSE 6 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT BACKREST RELEASE/INCLINATION MICROSWITCH MOT GND/(+) MOT- MULTIPLE FUSE 1 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK FLEXRAY BM WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE SEATS SYSTEM SENS SENS GND SIG STEERING COLUMN MEMORY CIRCUIT STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/BLK WIRE WHT WIRE YEL/GRN WIRE

15 M AIR CONDITIONING, COOLING FANS, INSTRUMENT CLUSTER SYSTEMS BLK/RED WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER-SIDE FUSE, RELAY MODULE ENGINE FUSE, RELAY MODULE FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 123 FUSE 200 FUSE 201 GRY/BLU WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/YEL WIRE HB (+) HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LB (+) PNK/RED WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/WHT WIRE RED/YEL WIRE REL GND REL O (+) REL O GND SIG SIG SIG SML STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TSI R (+) WARNING, ANTI-LOCK BRAKES, INSTRUMENT CLUSTER SYSTEMS WB H WIPER/WASHER, AIR CONDITIONING, HEADLIGHTS, MIRRORS SYSTEMS YEL WIRE

BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L COC COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE DTRL ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FRONT SAM CONTROL UNIT FUSE 126 FUSE 200 FUSE 3 GRN WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HB (+) HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LB (+) LEFT FRONT LAMP UNIT MULTI FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/WHT WIRE RIGHT FRONT LAMP UNIT SENS SIG (1) SIG (2) SIG 3 SIG 4 SML TSI-L (+) VIO WIRE VIO/WHT WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU/BLK WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE FLEXRAY BP FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT FORE/AFT ADJUSTMENT MOTOR FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR FUSE 306 FUSE 6 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MOT GND/(+) MOT- MULTIPLE FUSE 1 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK FLEXRAY BM WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT BACKREST RELEASE/INCLINATION MICROSWITCH SEATS SYSTEM SENS SENS GND SIG STEERING COLUMN MODULE CONTROL UNIT VIO WIRE WHT WIRE YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BLU/BLK WIRE BRN WIRE COUPE CONVERTIBLE FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR FRONT PASSENGER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FUSE 405 HOLDER, POWER OUTLET RELAY ENERGIZED RBA-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRN WIRE RED/YEL WIRE RIGHT BACKREST RELEASE/ INCLINATION MICROSWITCH SEDAN SIG YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/PNK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COUPE FUSE 450 GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRY/BLK WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES MOT- ORG/ WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE PASSIVE RESTRAINTS SYSTEM PNK WIRE PNK/WHT WIRE POWER TOPS SYSTEM REAR CONTROL UNIT REAR FUSE, RELAY MODULE RED WIRE RED/VIO WIRE SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/ORG WIRE YEL/PNK WIRE YEL/VIO WIRE YEL/WHT 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

AUDIO H AUDIO L+ BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM EXCEPT CONVERTIBLE FRONT SAM CONTROL UNIT GRN WIRE GRN/YEL WIRE GRY/BLU WIRE MOT GND/(+) NCA WIRE ORG/BLU WIRE PNK WIRE RED WIRE SENS SENS (+) SENS GND SEPARATE TRUNK LID LOCK SWITCH SIG (+) COC TAILGATE CONTROL UNIT (W/O REMOTE BOOT LID CLOSING) TRUNK LID CONTROL UNIT TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID/ LIFTGATE CONTROL WARNING BUZZER TRUNK LID/ LIFTGATE LOCK MAIN CATCH SWITCH TRUNK LID/ LIFTGATE LOCK MOTOR TRUNK LID/LIFTGATE CONTROL DRIVE UNIT TRUNK LID/LIFTGATE LOCK TRUNK LID/LIFTGATE LOCK (EXCEPT CONVERTIBLE) WHT WIRE