Mercedes-Benz GLC-class Coupe C253 facelift (2019-2023) fuse 305 Wiring diagrams

BLK WIRE BLK/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ELECTRIC COOLANT PUMP ELECTRIC REFRIGERANT COMPRESSOR FAN MOTOR (BEHIND RADIATOR) FRONT SAM CONTROL UNIT FUSE 3 FUSE 305 FUSE 315 FUSE 6 GRN WIRE GRN/VIO WIRE GRY/RED WIRE HIGH-VOLTAGE DISCONNECT DEVICE HIGH-VOLTAGE POWER DISTRIBUTOR HOT AT ALL TIMES HV- ILK ILK PNK ILK WIRE MULTIPLE FUSE 1 MULTIPLE FUSE 2 MULTIPLE FUSE 3 NCA WIRE OUTSIDE TEMPERATURE SENSOR PASSENGER- SIDE A-PILLAR BOX PNK WIRE PNK/BLK WIRE PNK/GRN WIRE POWER ELECTRONICS CONTROL UNIT RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RBA-1 RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR REFRIGERANT COMPRESSOR MAGNETIC CLUTCH REFRIGERANT COMPRESSOR REGULATION VALVE SHD SIG STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER TELEPHONE ANTENNA SPLITTER TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH VIO/YEL WIRE W/ FUEL CELL RETROFITTING W/ WIRELESS PHONE CHARGING W/O FUEL CELL RETROFITTING W/O WIRELESS PHONE CHARGING WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT 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 DRIVER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT CONTROL UNIT DRIVER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR DRIVER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BP FUSE 210 FUSE 303 FUSE 305 GRN WIRE GRY/BLK WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED M+ (-) MOT GND/(+) MOT- NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK FLEX-E BM WIRE RED WIRE RED/BLK 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 W/O FUEL CELL RETROFITTING WHT WIRE

BLK WIRE BLK/RED WIRE BLU/BRN WIRE BRN BRN/YEL) WIRE BRN WIRE CAN H H CAN H L CAN HMI H CAN HMI L CENTER STOP LAMP COMPUTER DATA LINES SYSTEM COUPE DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FUSE 128 FUSE 209 206 FUSE 3 FUSE 305 FUSE 322 GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BLU WIRE HAZARD LIGHT HAZARD SIG HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT LICENSE PLATE LAMP LIN 1 MULTIPLE FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT LICENSE PLATE LAMP SENS SIG SIG (1) SIG (2) SIG 3 STOP LAMP SWITCH UPPER CONTROL PANEL CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING WHT WIRE YEL WIRE YEL/WHT WIRE

BACKUP LAMPS CIRCUIT BL (+) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/YEL) BRN WIRE CAN A H CAN A L CAN B H CAN B L CENTER STOP LAMP COMPUTER DATA LINES SYSTEM COUPE DIAG DRIVER-SIDE FUSE, RELAY MODULE FUSE 209 206 FUSE 3 FUSE 305 FUSE 477 GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HAZARD LIGHT HAZARD SIG 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 MULTIPLE FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RFL (+) HECKD RIGHT LICENSE PLATE LAMP RIGHT REAR LAMP UNIT SIG SML SML (+) DIAG TL (+) TL/PL (+) TOUCHPAD TSI (+) HECKL TSI (+) SIG UPPER CONTROL PANEL CONTROL UNIT W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING WHT WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLK/RED WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 209 206 FUSE 210 FUSE 3 FUSE 305 FUSE 322 GRN WIRE GRY/BLK WIRE GRY/YEL WIRE HAZARD LIGHT HAZARD SIG HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR TURN SIGNAL LAMP LIN MULTIPLE FUSE 1 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT (IN RIGHT FRONT DOOR) RIGHT FRONT LAMP UNIT RIGHT OUTSIDE MIRROR RIGHT OUTSIDE MIRROR TURN SIGNAL LAMP SIG STEERING COLUMN MODULE CONTROL UNIT TSI R (+) UPPER CONTROL PANEL CONTROL UNIT W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING YEL WIRE YEL/WHT WIRE

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 CONTROL UNIT FUSE 303 FUSE 305 FUSE 406 HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED 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 CLIMATE CONTROL SWITCH GROUP LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTORS NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE SIG VIO WIRE W/ FUEL CELL RETROFITTING W/ SEAT HEATER, SEAT CLIMATE CONTROL W/O FUEL CELL RETROFITTING

BLK WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L COC COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FLEX-E BP PNK FLEX-E BM WIRE FUSE 126 FUSE 200 FUSE 202 FUSE 3 FUSE 305 FUSE 322 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT LEVEL SENSOR LEFT REAR LEVEL SENSOR MULTIPLE FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SENS SIG (1) SIG (2) SIG 3 STEERING COLUMN MODULE CONTROL UNIT VIO WIRE W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING WHT WIRE WHT/YEL WIRE YEL WIRE YEL/WHT WIRE

ADAPTIVE DAMPING SYSTEM CONTROL UNIT AIR BODY CONTROL UNIT ALL-WHEEL DRIVE CONTROL UNIT AUDIO/ COMAND DISPLAY BLK WIRE DRIVER SEAT CONTROL UNIT DRIVER'S SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT DRIVETRAIN CONTROL UNIT ELECTRIC BRAKE CONTROL ELECTRICAL CONNECTOR FROM VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 9) FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT FRONT SEAT HEATER CONTROL UNIT FUSE 1 FUSE 2 FUSE 3 FUSE 301 FUSE 302 FUSE 303 FUSE 304 FUSE 305 FUSE 306 FUSE 307 FUSE 308 FUSE 309 FUSE 310 FUSE 311 FUSE 312 FUSE 313 FUSE 314 FUSE 315 FUSE 316 FUSE 317 FUSE 4 FUSE 5 FUSE 6 HEAD UNIT ME-SFI (ME) CONTROL UNIT MULTIPLE FUSE 1 OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING SUNROOF CONTROL MODULE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT REAR DOOR CONTROL UNIT SHORT, LONG-RANGE RADAR SENSOR SLIDING ROOF CONTROL MODULE STATIONARY HEATER UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT THEFT DETECTION SYSTEM HORN RELAY TO FUSE 6 (DIAGRAM 6 OF 9) W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING

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

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