Mercedes-Benz GLC-class Coupe C253 facelift (2019-2023) left front door control unit Wiring diagrams

BLU WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE CIRCUIT 31 POTENTIAL DISTRIBUTOR 1 COMPUTER DATA LINES SYSTEM COOLANT PUMP RELAY COOLANT TEMPERATURE SENSOR COOLANT THERMOSTAT HEATING ELEMENT ELECTRIC COOLANT PUMP 2 ENGINE COMPARTMENT PREFUSE BOX FUSE 104 FUSE 107 FUSE 5 FUSE 9 GRN/YEL WIRE GRY/YEL WIRE HOT W/ HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP ME-SFI (ME) CONTROL UNIT POWER SUPPLY POTENTIAL DISTRIBUTOR 2 POWER SUPPLY POTENTIAL DISTRIBUTOR 3 RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED SIG VIO WIRE W/ MEMORY W/O MEMORY WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT DRIVER SEAT CUSHION LENGTH ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH DRIVER SEAT LUMBAR SUPPORT PNEUMATIC PUMP DRIVER'S SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT FUSE 4 FUSE 406 FUSE 470 GRN/VIO WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP MOT GND/(+) MOT- MULTIPLE FUSE 1 NCA WIRE ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE SEATS SYSTEM SENS SENS GND SIG VIO WIRE W/ FUEL CELL RETROFITTING W/ SEAT HEATER, SEAT CLIMATE CONTROL W/O FUEL CELL RETROFITTING WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B L CAN PER H CAN PER L COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES ENGINE FUSE, RELAY MODULE FUSE 110 FUSE 121 GRN WIRE GRN/WHT WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT FRONT LAMP UNIT LEFT FRONT LEVEL SENSOR LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR TURN SIGNAL LAMP LEFT REAR LEVEL SENSOR LIN RED/BLU WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SIG SIG (+) CAN-PER L SIG GND SYSTEM TOUCHPAD WHT/BLK WIRE WHT/YEL WIRE YEL WIRE

2.0L TURBO ACTIVE BRAKE ASSIST CONTROLLER UNIT ALARM SIREN BATTERY DISCONNECT SWITCH RELAY BLK WIRE BLUE LIGHT SEPARATION POINT BRN WIRE CENTER REAR SEAT BELT BUCKLE SWITCH CONTROL UNIT OF NOX SENSOR UPSTREAM OF DIESEL OXIDATION CATALYTIC CONVERTER DC/DC CONVERTER CONTROL UNIT ELECTRIC BRAKE CONTROL ELECTRICAL CONNECTOR ENGINE COMPARTMENT PREFUSE BOX FAN MOTOR FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT SAM CONTROL UNIT FUEL PUMP CONTROL UNIT HERMES CONTROL UNIT HYBRID CAN (CAN L) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR LEFT ACTIVE ENGINE MOUNT LEFT FRONT DOOR CONTROL UNIT ME-SFI (ME) CONTROL UNIT MONO MULTI-FUNCTION CAMERA PASSENGER SIDE ENGINE HOOD CONTACT SWITCH RADOME HEATER REAR SAM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT REAR USB ELECTRICAL CONNECTOR RIGHT ACTIVE ENGINE MOUNT RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR BACKREST INCLINATION SWITCH RIGHT REAR BACKREST RELEASE ACTUATOR RIGHT REAR BRAKE WEAR SENSOR ROOF LIGHT BAR SEPARATION POINT SHORT, LONG-RANGE RADAR SENSOR STATIONARY HEATER FUEL PUMP STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER STATIONARY HEATER SWITCHOVER VALVE STATIONARY HEATER UNIT STEREO MULTI-FUNCTION CAMERA TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH TWO-WAY RADIO SWITCH USER INTERFACE CAN (CAN HMI) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR VOLTAGE DIP LIMITER W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING

AMBIANCE ILLUMINATION CONTROL UNIT BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CLIMATE CONTROL UNIT DC/DC CONVERTER CONTROL UNIT DRIVER SEAT CONTROL UNIT FRONT PASSENGER SEAT CONTROL UNIT FRONT SAM CONTROL UNIT KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT LEFT FRONT MULTICONTOUR SEAT CONTROL MODULE LEFT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR LEFT REAR DOOR CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING SUNROOF CONTROL MODULE REAR SAM CONTROL UNIT RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT MULTICONTOUR SEAT CONTROL MODULE RIGHT REAR DOOR CONTROL UNIT SLIDING ROOF CONTROL MODULE TAILGATE CONTROL UNIT VIO WIRE VIO/WHT WIRE YEL WIRE YEL/WHT WIRE

AUTOMATICALLY DIMMING MIRROR BLK WIRE BRN WIRE BRN/RED WIRE BSM BSM GND CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EC GND EC+ FOLD IN/OUT FOLD OUT/IN FUSE 406 HEAT (+) HEAT GND HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED ILLU LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR ADJUSTMENT SWITCH LEFT OUTSIDE MIRROR TURN SIGNAL LAMP MOT GND/(+) MOT LR (+)/GND MOT UD (+)/GND OUTSIDE MIRROR ADJUSTMENT SWITCH OUTSIDE MIRROR FOLD-IN/ FOLD-OUT SWITCH REAR FUSE, RELAY MODULE RED WIRE RED/WHT WIRE RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH SENS SENS 1 SENS 2 SENS GND SIG VIO WIRE W/ FOLDING OUTSIDE MIRROR W/ INTELLIGENT CRUISE CONTROL PLUS, BLIND SPOT ASSIST (BSM) W/ SEAT HEATER, SEAT CLIMATE CONTROL

AIR BODY CONTROL PLUS CONTROL UNIT AMBIANCE ILLUMINATION CONTROL UNIT BACKUP CAMERA CONTROL UNIT BATTERY MANAGEMENT SYSTEM CONTROL UNIT ELECTRONIC DIFFERENTIAL CONTROL UNIT FROM FUSE 473 (DIAGRAM 3 OF 9) FUSE 406 FUSE 408 FUSE 409 FUSE 410 FUSE 411 FUSE 412 FUSE 413 FUSE 415 FUSE 417 FUSE 424 FUSE 427 FUSE 429 FUSE 435 FUSE 443 FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 448 FUSE 450 FUSE 451 FUSE 454 FUSE 462 FUSE 464 FUSE 468 FUSE 469 FUSE 472 FUSE 475 FUSE 478 FUSE 484 GRN WIRE LEFT FRONT DOOR CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT REAR DOOR CONTROL UNIT MERCEDES-BENZ INTELLIGENT DRIVE CONTROL UNIT N/A NCA WIRE PARKING SYSTEM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT REAR SWITCHING MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN (OR RED) WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR SPECIAL VEHICLE MULTI-FUNCTION CONTROL UNIT TAILGATE CONTROL UNIT TO FUSE 416 (DIAGRAM 8 OF 9) TRAILER RECOGNITION CONTROL UNIT VEHICLE SOCKET ELECTRICAL CONNECTOR W/ FUEL CELL RETROFITTING W/ PRE- SAFE W/O FUEL CELL RETROFITTING W/O PRE- SAFE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM DCS ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BP FLEX-E BP PNK FLEX-E BM WIRE FROM BATTERY DISCONNECT SWITCH RELAY (DIAGRAM 1 OF 9) FROM ENGINE FUSE, RELAY MODULE (DIAGRAM 9 OF 9) FROM PASSENGER-SIDE A-PILLAR FUSE BOX (DIAGRAM 6 OF 9) FULLY INTEGRATED TRANSMISSION CONTROL UNIT GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE KEYLESS GO START/STOP BUTTON KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT ORG/ WIRE P NOT PARK PAWL CAPACITOR PNK FLEX-E BM WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE REL C (+) SIG (1) SIG (2) SIG 3 WAKE-UP WHT WIRE YEL WIRE YEL/WHT WIRE

BASIC BBV VR BCL SW DR(-) BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN B L RBA-1 CAN H H CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE SWITCH DRIVER SEAT POSITION DETECTION SWITCH DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX FRONT SAM CONTROL UNIT FUSE 1 FUSE 200 FUSE 312 FUSE 316 FUSE 322 FUSE 477 GRN WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK LEFT FRONT DOOR ROTARY TUMBLER SWITCH PASSENGER-SIDE A-PILLAR FUSE BOX PWR-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR BRAKE WEAR SENSOR SIG SIG 3 SIG 4 SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING WHT WIRE WHT/GRY WIRE YEL WIRE YEL/WHT WIRE

BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT DRIVER-SIDE FUSE, RELAY MODULE FLEXRAY BP FUSE 210 FUSE 303 FUSE 305 FUSE 406 GRN WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP MOT GND/(+) PASSENGER-SIDE A-PILLAR FUSE BOX PNK FLEXRAY BM WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/YEL WIRE SENS SENS GND STEERING COLUMN IN/OUT ADJUSTMENT MOTOR, HALL SENSOR STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR, HALL SENSOR VIO WIRE VIO/BLK WIRE W/ FUEL CELL RETROFITTING W/ SEAT HEATER, SEAT CLIMATE CONTROL W/O FUEL CELL RETROFITTING