Mercedes-Benz GLC-class X253 (2015-2019) left front door control unit Wiring diagrams

AMBIENT LAMP AUTOMATIC DIMMING MIRROR BLK WIRE BLK/BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM CONVERTIBLE EXCEPT CONVERTIBLE FORWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR FRONT SAM CONTROL UNIT FUSE 302 FUSE 312 FUSE 326 FUSE 406 GARAGE DOOR OPENER GARAGE DOOR OPENER BUTTON 1 GARAGE DOOR OPENER BUTTON 2 GARAGE DOOR OPENER BUTTON 3 GARAGE DOOR OPENER INDICATOR LAMP GRN WIRE GRY WIRE HANDS FREE SYSTEM MICRO PHONE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSIDE REAR VIEW MIRROR INSIDE REAR VIEW MIRROR DIMMING LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT READING LAMP NAVIGATION, SOUND SYSTEMS ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PNK WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RBA-1 REAR FUSE, RELAY MODULE REARWARD AUTOMATIC DIMMING MIRROR LIGHT SENSOR AUTOMATICALLY DIMMING MIRROR RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR RIGHT READING LAMP SPG ABBL VIO WIRE WHT WIRE YEL WIRE

AWL BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CENTRAL LOCKING MOTOR CLOSE COMPUTER DATA LINES SYSTEM DRIVER DOOR INFRARED REMOTE CONTROL RECEIVER DRIVER TRUNK LID/LIFTGATE CONTROL BUTTON FUSE 406 GRN WIRE GRY WIRE GRY/RED WIRE HFS HOT AT ALL TIMES LEFT FRONT DOOR AMBIANCE ILLUMINATION LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR DOOR HANDLE ILLUMINATION LEFT FRONT DOOR EXTERIOR DOOR HANDLE ILLUMINATION LEFT FRONT DOOR HANDLE AMBIANCE ILLUMINATION LEFT FRONT DOOR LOCK LL BU LL RD NCA WIRE ORG/ WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE ROTARY TUMBLER SWITCH SIG TBA TIB TRUNK LID RELEASE BUTTON W/ INTERIOR LIGHTS PACKAGE W/ KEYLESS GO W/O KEYLESS GO W/ REMOTE TRUNK CLOSING W/O REMOTE TRUNK CLOSING YEL WIRE ZV AUF ZV ZU ZVIS SIG

BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CLIMATE CONTROL SWITCH GROUP DRIVER SEAT CONTROL UNIT FUSE 305 FUSE 306 FUSE 406 HK SL VL HOT AT ALL TIMES LEFT FRONT AIRSCARF SWITCH LEFT FRONT BACKREST ADJUSTMENT SWITCH LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION LENGTH SWITCH LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTORS LEFT FRONT SEAT HEATER SWITCH LEFT FRONT SEAT VENTILATION SWITCH NCA WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/VIO WIRE RIGHT A-PILLAR FUSE BOX SEAT HEATER VIO WIRE

BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CLIMATE CONTROL SWITCH GROUP FRONT PASSENGER SEAT CLIMATE CONTROL SWITCH GROUP FRONT SEAT HEATER CONTROL UNIT FUSE 302 FUSE 306 FUSE 328 FUSE 406 GRY/BLK WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT AIRSCARF SWITCH LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTABLE CUSHION LENGTH HEATER PAD LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION VENTILATION MOTORS LEFT FRONT SEAT HEATER SWITCH LEFT FRONT SEAT VENTILATION SWITCH REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT BACKREST SEAT VENTILATION MOTORS RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTABLE CUSHION LENGTH HEATER PAD RIGHT FRONT SEAT BACKREST HEATER PAD RIGHT FRONT SEAT CUSHION HEATER PAD RIGHT FRONT SEAT CUSHION VENTILATION MOTORS RIGHT FRONT SEAT HEATER SWITCH RIGHT FRONT SEAT VENTILATION SWITCH SHZ(+) VIO WIRE

BRN WIRE BRN/RED WIRE CAMERA COVER CONTROL UNIT CAN B H CAN B L CAN B L RBA-1 CLIMATE CONTROL OPERATING UNIT CLIMATE CONTROL UNIT FRONT SAM CONTROL UNIT GRN WIRE GRN/WHT WIRE GRY/RED WIRE LEFT FRONT DOOR CONTROL UNIT LEFT INTERIOR CAN (CAN B) POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR LEFT REAR DOOR CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT PNK WIRE PNK/WHT WIRE REAR AIR CONDITIONING OPENING UNIT REAR SAM CONTROL UNIT RIGHT FRONT DOOR CONTROL UNIT RIGHT REAR DOOR CONTROL UNIT STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER TAILGATE CONTROL UNIT TRUNK LID CONTROL UNIT VIO WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

360 DEGREE CAMERA CONTROL UNIT AIR BODY CONTROL PLUS CONTROL UNIT AIR SCARF CONTROL UNIT AMPLIFIER CONTROL UNIT BACKUP CAMERA (IF EQUIPPED) CAMERA COVER CONTROL UNIT CELLULAR TELEPHONE SYSTEM ANTENNA AMPLIFIER/COMPENSATOR COLLISION PREVENTION ASSIST CONTROLLER UNIT COUPE CONVERTIBLE COUPE CONVERTIBLE, SEDAN DISTRONIC ELECTRIC CONTROLLER UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT ENGINE SOUND CONTROL UNIT FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER FOOTWELL ILLUMINATION SWITCH FROM FUSE 415 (DIAGRAM 4 OF 6) FROM FUSE 467 (DIAGRAM 3 OF 6) FROM VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 6) FROM VEHICLE INTERIOR TERMINAL 15 RELAY (DIAGRAM 3 OF 6) FRONT LONG RANGE RADAR SENSOR FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FUEL PUMP CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL CONTROL UNIT FUSE 406 FUSE 408 FUSE 409 FUSE 411 FUSE 413 FUSE 414 FUSE 415 FUSE 416 FUSE 417 FUSE 418 FUSE 419 FUSE 420 FUSE 422 FUSE 423 FUSE 424 FUSE 428 FUSE 440 FUSE 441 FUSE 443 FUSE 448 FUSE 451 FUSE 452 FUSE 453 FUSE 454 FUSE 455 FUSE 456 FUSE 458 FUSE 460 FUSE 461 FUSE 465 FUSE 466 KEYLESS-GO CONTROL UNIT LEFT FRONT BUMPER RADAR SENSOR LEFT FRONT DOOR CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT OUTER REAR BUMPER RADAR SENSOR MOBILE PHONE CONTACT PLATE N/A PARK PAWL CAPACITOR PEDAL OPERATION MONITOR SWITCH PERFUME ATOMIZER GENERATOR PNK/BLK WIRE PNK/GRN WIRE REAR SAM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT REAR SWITCHING MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RESERVE FUSE 407 RESERVE FUSE 425 RESERVE FUSE 427 RESERVE FUSE 429 RESERVE FUSE 430 RIGHT FRONT BUMPER RADAR SENSOR RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR RIGHT OUTER REAR BUMPER RADAR SENSOR RIGHT REAR DOOR CONTROL UNIT, REAR DOOR CONTROL SOUND SYSTEM TO DC/DC CONVERTER CONTROL UNIT (DIAGRAM 1 OF 6) TO FUSE 424 (DIAGRAM 4 OF 6) TRUNK LID CONTROL UNIT TUNER UNIT W/ AIR BALANCE PACKAGE W/ DISTRONIC PLUS W/ PRE- SAFE W/ SEATING COMFORT PACKAGE W/O DISTRONIC PLUS

ADAPTIVE DAMPING SYSTEM CONTROL UNIT AIRMATIC CONTROL UNIT BLK 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 DIRECT SELECT INTELLIGENT SERVO MODULE DISTRONIC ELECTRIC CONTROLLER UNIT DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT FM 1, AM, CL (ZV), KEYLESS GO ANTENNA AMPLIFIER FR 1 BM FR 1 BP FR 2 BM FR 2 BP FR 3 BM FR 3 BP FR 4 BM FR 4 BP FR 5 BP FROM LEFT FUSE, RELAY MODULE (DIAGRAM 2 OF 6) FULLY INTEGRATED TRANSMISSION CONTROL UNIT GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HF SIG ISM LEFT FRONT DOOR CONTROL UNIT PARK PAWL CAPACITOR PNK FR 5 BM WIRE PNK WIRE RADAR SENSORS CONTROL UNIT RED/BLU WIRE RED/GRN WIRE SIG STEERING COLUMN MODULE CONTROL UNIT STEREO MULTI-FUNCTION CAMERA W/ ACTIVE LANE KEEPING ASSIST W/ AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS W/ AUTONOMOUS INTELLIGENT CRUISE CONTROL PLUS, DISTRONIC PLUS, AIRMATIC YEL WIRE YEL/WHT WIRE

AUTOMATIC DIMMING MIRROR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP EL VL FUSE 302 FUSE 406 GRN WIRE GRY WIRE GRY/WHT WIRE HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR MOTOR HOT AT ALL TIMES LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR ADJUSTMENT SWITCH LEFT OUTSIDE MIRROR AMBIENT LAMP LEFT OUTSIDE MIRROR TURN SIGNAL LAMP MIRROR HEATER NEIG HOR NEIG VER OUTSIDE MIRROR ADJUSTMENT SWITCH OUTSIDE MIRROR FOLD-IN/ FOLD-OUT ELECTRIC MOTOR OUTSIDE MIRROR FOLD-IN/ FOLD-OUT SWITCH REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX RIGHT OUTSIDE MIRROR ADJUSTMENT SWITCH SPG ABBL SPG F SPG G TA B (+) TA W (+) VERTICAL INCLINATION ADJUSTMENT ACTUATOR MOTOR VIO WIRE WHT WIRE YEL WIRE

BBV VR BCL SW DR(-) BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH BRAKE FLUID, PARKING BRAKE INDICATOR LAMP BRAKE SYSTEM WARNING LAMP 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 L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE SWITCH ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX FRONT SAM CONTROL UNIT FUSE 1 FUSE 200 FUSE 208 FUSE 316 FUSE 465 FUSE 466 GRN WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK LEFT FRONT DOOR ROTARY TUMBLER SWITCH LEFT FUSE, RELAY MODULE MULTI-FUNCTION DISPLAY NCA WIRE PWR-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR BRAKE WEAR SENSOR SEAT BELT WARNING LAMP SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT SW 1 SW 2 SW 3 SW 4 VIO WIRE VIO/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 FLEXRAY BP FUSE 305 FUSE 329 FUSE 406 GRN WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP M+ (-) MEMORY 2 SWITCH MEMORY 3 SWITCH MEMORY FUNCTION SWITCH MEMORY 1 SWITCH PNK FLEXRAY BM WIRE REAR FUSE, RELAY MODULE RED WIRE RIGHT A-PILLAR FUSE BOX SIG STEERING COLUMN ADJUSTMENT, STEERING WHEEL HEATER SWITCH STEERING COLUMN IN/OUT ADJUSTMENT MOTOR, HALL SENSOR STEERING COLUMN MODULE CONTROL UNIT STEERING COLUMN UP/DOWN ADJUSTMENT MOTOR, HALL SENSOR STEERING COLUMN) VIO WIRE VIO/BLK WIRE