Mercedes-Benz GLC-class Coupe C253 facelift (2019-2023) rear fuse, relay module Wiring diagrams

BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BUL (+) BUL (+) HECKD CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM ELECTRONIC STABILITY PROGRAM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 477 GRY/BLU WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE VIO WIRE VIO/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

BRN WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 213 411 FUSE 310 454 FUSE 412 FUSE 472 HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/GRN WIRE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING YEL WIRE YEL/WHT WIRE

BATTERY DISCONNECT BLK WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH EARLY PRODUCTION ELECTRIC PARKING BRAKE SWITCH ELECTRIC STABILITY PROGRAM CONTROL UNIT FUEL PRESSURE SENSOR (IN FUEL TANK) FUEL PUMP CONTROL UNIT FUSE 477 GRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HAZARD LIGHT HAZARD SIG HOT W/ LATE PRODUCTION LEFT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR NCA WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT FRONT BRAKE WEAR SENSOR RIGHT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR SIG SIG (1) SIG (2) SIG 3 SIG 4 SIG SIG SWITCH RELAY ENERGIZED TOUCHPAD UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR/ FUEL TANK ELECTRICAL CONNECTOR VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

BATTERY DISCONNECT BLK WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH EARLY PRODUCTION ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT FUEL PRESSURE SENSOR (IN FUEL TANK) FUEL PUMP CONTROL UNIT FUSE 477 GRN WIRE GRN/GRY WIRE GRN/PNK WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HAZARD LIGHT HAZARD SIG HOT W/ LATE PRODUCTION LEFT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR NCA WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/WHT WIRE RIGHT FRONT BRAKE WEAR SENSOR RIGHT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR SIG SIG (1) SIG (2) SIG 3 SIG 4 SIG SIG SWITCH RELAY ENERGIZED TOUCHPAD UPPER CONTROL PANEL CONTROL UNIT VEHICLE INTERIOR/ FUEL TANK ELECTRICAL CONNECTOR VIO WIRE VIO/WHT WIRE WHT WIRE YEL 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

BLK WIRE BLK/BLU 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 FRONT PASSENGER SEAT BACKREST INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT HEAD RESTRAINT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT SWITCH FRONT PASSENGER SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT PNEUMATIC PUMP FUSE 302 FUSE 304 FUSE 306 FUSE 467 FUSE 5 GRN WIRE GRY/BLK WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MOT GND/(+) MOT- MULTIPLE FUSE 1 NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEATS SYSTEM SENS SENS GND SIG VIO WIRE W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING 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

BATTERY CLAMP FUSE BLK WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L CAN H H CAN H L COMPUTER DATA LINES SYSTEM CRASH DRIVER BELT FORCE LIMITER FRONT PASSENGER BELT FORCE LIMITER FRONT PASSENGER ETR (GUS) SQUIB FUEL CELL MANAGEMENT SYSTEM CONTROL UNIT FUSE 477 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT REAR SEAT BELT BUCKLE SWITCH LEFT SIDE BAG SENSOR ME-SFI (ME) CONTROL UNIT NCA WIRE PNK WIRE PNK/BLK WIRE PNK/YEL WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/GRN WIRE RED/YEL WIRE REFRIGERANT INERTING SQUIB RIGHT ACTIVE ENGINE HOOD SQUIB RIGHT REAR SEAT BELT BUCKLE SWITCH SIG SIG (+) SIG GND SIG GND SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE VIO/YEL WIRE W/ FUEL CELL RETROFITTING WHT/GRN WIRE YEL/BLK WIRE

AAG BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BUL (+) CAN B H CAN B L ELECTRIC BRAKE CONTROL ELECTRICAL CONNECTOR FUSE 307 FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 448 GRN WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MOT GND/(+) PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SENS (+) SENS GND SENS PNK SIG 1 WIRE SIG (2) TL-R (+) TRAILER HITCH RELEASE TRAILER RECOGNITION CONTROL UNIT TRAILER SOCKET (7-PIN) (UNDER CENTER OF REAR BUMPER) TSI R (+) TSI-L (+) WHT WIRE YEL WIRE