Mercedes-Benz GLC-class Coupe C253 facelift (2019-2023) sig (+) heckd Wiring diagrams

BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE CAN B H CAN B L CENTRAL LOCKING MOTOR COMPUTER DATA LINES SYSTEM FUSE 408 FUSE 477 GRN WIRE GRY WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT DOOR EXIT, WARNING LAMP LEFT REAR DOOR AMBIANCE ILLUMINATION LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR EXIT, WARNING LAMP LEFT REAR DOOR EXTERIOR DOOR HANDLE ILLUMINATION LEFT REAR DOOR HANDLE AMBIANCE ILLUMINATION LEFT REAR DOOR HANDLE ILLUMINATION LEFT REAR DOOR LOCK MOT GND/(+) MOT GND/(+) 31 MOT- ORG/ WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK/BLU WIRE PNK/VIO WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT DOOR LOCK ROTARY TUMBLER SWITCH SIG SIG (+) HECKD SIG GND SIG HECKR TANK CAP CENTRAL LOCKING ACTUATOR TRUNK LID/LIFTGATE LOCK W/ FUEL CELL RETROFITTING W/ INTERIOR LIGHTS PACKAGE W/O FUEL CELL RETROFITTING YEL WIRE

BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE DRIVER-SIDE FUSE, RELAY MODULE FUSE 214 FUSE 301 FUSE 302 FUSE 303 FUSE 406 FUSE 408 FUSE 477 GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT LUGGAGE COMPARTMENT LAMP PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RIGHT LUGGAGE COMPARTMENT LAMP RIGHT TRUNK LID/ LIFTGATE AMBIENT LAMP, WARNING LAMP SIG SIG (+) HECKD SIG (+) HECKL SIG HECKR TRUNK LID/ LIFTGATE EXTERNAL OPERATION SWITCH VIO WIRE W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING WHT WIRE

BACKUP LAMPS CIRCUIT BL (+) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COC COMPUTER DATA LINES SYSTEM COUPE DIAG DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 200 FUSE 210 FUSE 476 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HAZARD LIGHT HAZARD SIG HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LEFT REAR LAMP UNIT NCA WIRE PNK WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RFL (+) HECKD RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT DOOR) RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP RIGHT REAR LAMP UNIT SENS SIG SIG (+) HECKD SIG (1) SIG (2) SIG 3 SIG HECKR SML SML (+) HECKL STEERING COLUMN MODULE CONTROL UNIT TL (+) TL (+) HECKD TL/PL (+) TSI (+) HECKL TSI (+) HECKR VIO WIRE YEL WIRE YEL/WHT WIRE

BL (+) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE BUL (+) CAN A H CAN A L CAN B L CENTER STOP LAMP COMPUTER COMPUTER DATA LINES SYSTEM COUPE DATA LINES DIAG FUSE 476 GRN/BLU WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HECKR HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LEFT LICENSE PLATE LAMP LEFT REAR LAMP UNIT LIN REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRN WIRE RED/GRY WIRE RFL (+) RIGHT LICENSE PLATE LAMP RIGHT REAR LAMP UNIT SIG SIG (+) CAN-B H SIG (+) HECKD SYSTEM TL (+) TL/PL/BL TSI (+) TL/PL/BL TSI (+) HECKL TL/PL/BL/TSI (+) TL/PL/BL/TSI (+) DIAG TOUCHPAD TSI (+) W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING YEL WIRE YEL/WHT WIRE

ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, WARNING SYSTEMS BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE BUL (+) CAN B H CAN B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS FRONT SAM CONTROL MODULE CIRCUIT GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE INTERIOR LIGHTS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS MOT GND/(+) MOT- NAVIGATION SYSTEM ORG/ WIRE ORG/PNK WIRE PNK WIRE PNK/GRN WIRE REAR SAM CONTROL UNIT (RIGHT FRONT OF LUGGAGE COMPT) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RFL (+) SEATS SYSTEM SEATS, INTERIOR LIGHTS SYSTEMS SIG SIG (+) HECKD SUPPLEMENTAL RESTRAINTS SYSTEM TL (+) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WIPER/WASHER SYSTEM

30-2 AUDIO H AUDIO L+ BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM COUPE COUPE SUV DRIVER TRUNK LID/ LIFTGATE CONTROL BUTTON EASY-PACK LIFTGATE ELECTRIC MOTOR FUSE 406 FUSE 435 FUSE 475 FUSE 477 GRN WIRE GRN/WHT WIRE HALL SENSOR HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LOCK MOTOR M+ (-) MAIN CATCH SWITCH MOT- NCA WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE SAFETY CATCH SWITCH SIG SIG (+) HECKD SIG (1) SIG (2) TAILGATE CONTROL UNIT TAILGATE LOCKING ELEMENT 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 VIO WIRE W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING

BLK/BLU WIRE BLK/YEL WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FRONT SAM CONTROL UNIT FUSE 106 FUSE 111 112 FUSE 200 FUSE 3 FUSE 305 FUSE 477 FUSE 5 HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER MOT GND/(+) MOT (+)/GND MULTIPLE FUSE 1 N/A PASSENGER-SIDE A-PILLAR FUSE BOX RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SIG SIG (+) HECKD SIG (+) MOT (+)/GND MOT GND/(+) SPRAY NOZZLE HOSE HEATER (CENTER REAR OF ENGINE COMPT) TAILGATE WIPER MOTOR W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING WINDSHIELD WASHER SYSTEM PUMP WINDSHIELD WASHER SYSTEM WASHER FLUID LEVEL SWITCH WIPER MOTOR WIPER PARK POSITION HEATER RELAY YEL WIRE YEL/WHT WIRE