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

BLK/RED WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM FUSE 302 FUSE 406 FUSE 452 GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ VEHICLE INTERIOR TERMINAL 15 RELAY ENERGIZED LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT OUTER REAR BUMPER INTEGRATED RADAR SENSOR LEFT OUTSIDE MIRROR REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RIGHT A-PILLAR FUSE BOX RIGHT BLIND SPOT ASSIST READINESS, WARNING INDICATOR RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTER REAR BUMPER INTEGRATED RADAR SENSOR RIGHT OUTSIDE MIRROR TA B (+) TA W (+) VIO WIRE VIO/WHT WIRE

AWL BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM GRN WIRE LEFT FRONT DOOR AMBIANCE ILLUMINATION LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR EXIT, WARNING LAMP LEFT FRONT DOOR EXTERIOR DOOR HANDLE ILLUMINATION LEFT FRONT DOOR HANDLE AMBIANCE ILLUMINATION LEFT FRONT DOOR HANDLE ILLUMINATION LEFT FRONT DOOR LOCK LEFT FRONT DOOR ROTARY TUMBLER SWITCH LL BU LL RD RED WIRE RED/BLU WIRE RIGHT FRONT DOOR AMBIANCE ILLUMINATION RIGHT FRONT DOOR EXIT, WARNING LAMP RIGHT FRONT DOOR EXTERIOR DOOR HANDLE ILLUMINATION RIGHT FRONT DOOR HANDLE AMBIANCE ILLUMINATION RIGHT FRONT DOOR HANDLE ILLUMINATION RIGHT FRONT DOOR LOCK RIGHT FRONT DOOR ROTARY TUMBLER SWITCH SIG TBA TIB W/ INTERIOR LIGHTS PACKAGE, DRIVING SCHOOL PACKAGE W/ AMBIANCE ILLUMINATION YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/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 CONTROL UNIT DRIVER SEAT CUSHION LENGTH ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FUSE 406 GRN WIRE GRN/VIO WIRE HOT AT ALL TIMES LEFT FRONT BACKREST ADJUSTMENT SWITCH LEFT FRONT DOOR CONTROL UNIT LEFT FRONT HEAD RESTRAINT ADJUSTMENT SWITCH LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT CUSHION LENGTH SWITCH LEFT FRONT SEAT FORE/AFT ADJUSTMENT SWITCH LEFT FRONT SEAT HEIGHT ADJUSTMENT SWITCH LEFT FRONT SEAT INCLINATION ADJUSTMENT SWITCH M+ (-) MEMORY 1 SWITCH MEMORY 2 SWITCH MEMORY 3 SWITCH MEMORY FUNCTION SWITCH ORG/ WIRE REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/VIO WIRE SEAT HEATER SEATS SYSTEM SIG VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CLIMATE CONTROL OPERATING UNIT COMPUTER DATA LINES SYSTEM FUSE 302 FUSE 406 GRY/RED WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR MIRROR HEATER REAR FUSE, RELAY MODULE REAR WINDOW HEATER BUTTON RED WIRE RED/BLU WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR

BLK WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH EYEGLASS BOX ILLUMINATION FUSE 128 FUSE 312 GRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HEADLAMP RANGE CONTROLLER HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LEFT FRONT DOOR CENTRAL LOCKING INTERIOR SWITCH LEFT FRONT DOOR CONTROL UNIT LEFT MOUNTING CONSOLE INCIDENT ILLUMINATION LEFT REAR BACKREST RELEASE BUTTON OVERHEAD CONTROL PANEL CONTROL UNIT PNK WIRE PNK/GRN WIRE PNK/RED WIRE RBA-1 REAR FOG LAMP BUTTON REAR SAM CONTROL UNIT RED WIRE RIGHT A-PILLAR FUSE BOX RIGHT MOUNTING CONSOLE INCIDENT ILLUMINATION RIGHT REAR BACKREST RELEASE BUTTON TRUNK LID RELEASE BUTTON VIO 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 H NEIG SIG HORIZONTAL INCLINATION ADJUSTMENT ACTUATOR MOTOR HORIZONTAL INCLINATION ADJUSTMENT POTENTIOMETER HOT AT ALL TIMES LEFT BLIND SPOT ASSIST READINESS, WARNING INDICATOR LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR ADJUSTMENT SWITCH LEFT OUTSIDE MIRROR AMBIENT LAMP LEFT OUTSIDE MIRROR TURN SIGNAL LAMP MEMORY 2 SWITCH MEMORY 3 SWITCH MEMORY FUNCTION SWITCH MEMORY 1 SWITCH MIRROR HEATER NEIG HOR NEIG VER OUTSIDE MIRROR ADJUSTMENT SWITCH OUTSIDE MIRROR FOLD IN/ FOLD OUT ELECTRIC MIRROR 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 (+) V NEIG SIG VERTICAL INCLINATION ADJUSTMENT ACTUATOR MOTOR VERTICAL INCLINATION ADJUSTMENT POTENTIOMETER VIO WIRE WHT WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP FHS DOWN FHS UP FUSE 302 FUSE 303 FUSE 406 FUSE 408 GRN 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 PASSENGER SIDE POWER WINDOW SWITCH REAR FUSE, RELAY MODULE REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED WIRE RED/WHT WIRE RIGHT A-PILLAR FUSE BOX RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT DOOR) 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 SIG SYSTEM VIO WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON FUSE 406 FUSE 413 FUSE 464 FUSE 465 FUSE 466 GRN WIRE GRN/ORG WIRE GRY WIRE GRY/BLU WIRE HDK Z HFS HOT AT ALL TIMES HOT W/ LEFT FRONT DOOR CONTROL UNIT LEFT TRUNK PARTITION HALL SENSOR LEFT TRUNK RETRACTABLE PARTITION OBSTRUCTION HALL SENSOR M+ (-) ORG/BLU WIRE PNK WIRE QUIESCENT CURRENT CUTOUT RELAY ENERGIZED REAR CONTROL UNIT (LEFT SIDE OF LUGGAGE COMPT) REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RIGHT TRUNK PARTITION HALL SENSOR SIG TRK GSCH R TRUNK LID CONTROL UNIT TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID RELEASE BUTTON TRUNK LID/ LIFTGATE CONTROL ELECTRIC MOTOR TRUNK LID/ LIFTGATE CONTROL POSITION SENSOR TRUNK LID/LIFTGATE CONTROL DRIVE UNIT TRUNK LID/LIFTGATE CONTROL WARNING BUZZER TRUNK PARTITION MOTOR TRUNK PARTITION SWITCH W/ REMOTE TRUNK CLOSING W/O REMOTE TRUNK CLOSING WHT WIRE

30-1 BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN B H CAN B H RBA-1 CAN B L CAN L AAG COMPUTER DATA LINES SYSTEM DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON ELECTRIC MOTOR FRONT SAM CONTROL UNIT FUSE 406 FUSE 464 FUSE 465 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HALL SENSOR HFS HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LOCK MOTOR M+ (-) MAIN CATCH SWITCH NCA WIRE POSITION SENSOR PWR-1 REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE SAFETY CATCH SWITCH SEPARATE TRUNK LID LOCK SWITCH SIG SIG (+) COC SIG (1) SIG (2) SIG HD TAILGATE CONTROL UNIT TAILGATE LOCKING ELEMENT TRUNK LID EMERGENCY OPENING SWITCH TRUNK LID/ LIFTGATE CONTROL BUTTON TRUNK LID/ LIFTGATE EXTERNAL OPERATION SWITCH TRUNK LID/LIFTGATE CONTROL DRIVE UNIT TRUNK LID/LIFTGATE CONTROL WARNING BUZZER TRUNK LID/LIFTGATE LOCK