Mercedes-Benz GLC-class X253 facelift (2019-2023) pnk Wiring diagrams

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE VACUUM SENSOR BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE CAN H H CAN H L COMPUTER DATA LINES SYSTEM ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 1 FUSE 129 FUSE 2 GRN WIRE GRN/BRN (OR BRN/GRY) WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/ORG WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LEFT ELECTRIC PARKING BRAKE ACTUATOR MOTOR LEFT FRONT AXLE RPM SENSOR LEFT REAR AXLE RPM SENSOR MOT GND/(+) MOT GND/(+) 31 MOT GND/(+) SIG ORG/BLU WIRE PNK WIRE PNK/GRN WIRE POWER ELECTRONICS CONTROL UNIT RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT ELECTRIC PARKING BRAKE ACTUATOR MOTOR SIG SIG (1) SIG (2) SIG 3 SIG 4 STOP LAMP SWITCH VIO WIRE VIO/GRN WIRE VIO/WHT WIRE W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING WHT WIRE WHT/YEL WIRE YEL WIRE

2 3 CLUTCH (+) 6 7 SIG (+) AFV PNK (+) WIRE BASIC BLK WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L CENTRAL AIR DISTRIBUTION POSITION DETECTION MICROSWITCH CLIMATE CONTROL OPERATING UNIT CLIMATE CONTROL UNIT (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE EVAPORATOR TEMPERATURE SENSOR FUSE 101 FUSE 119 FUSE 206 FUSE 207 FUSE 208 FUSE 3 FUSE 7 GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ CIRCUIT HOT W/ CPC RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FOOTWELL VENT AIR OUTLET TEMPERATURE SENSOR NCA WIRE PNK WIRE REAR CENTER AIR VENT AIR OUTLET TEMPERATURE SENSOR RED WIRE RED/BLK WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FOOTWELL VENT AIR OUTLET TEMPERATURE SENSOR SIG SIG GND VEHICLE INTERIOR PREFUSE BOX VIO/YEL WIRE YEL WIRE YEL/VIO WIRE YEL/WHT WIRE

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/WHT WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE CAN LR H CAN LR L COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BM FLEX-E BP FUSE 472 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HEAD UNIT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER MULTI-FUNCTION STEERING WHEEL BUTTON GROUP INTELLIGENT DRIVE CONTROL UNIT ME-SFI (ME) CONTROL UNIT MOT- NCA WIRE PNK WIRE REAR FUSE, RELAY MODULE RED/WHT WIRE SENS (+) SENS GND SENS 1 SENS 2 STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS THROTTLE VALVE ACTUATOR VIO WIRE VIO/WHT WIRE YEL WIRE

ACCELERATOR PEDAL SENSOR ACTIVE BRAKE ASSIST CONTROLLER UNIT ACTIVE DISTANCE ASSIST DISTRONIC ELECTRIC CONTROLLER UNIT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FLEX-E BM FLEX-E BP FUSE 311 FUSE 315 GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRN/WHT WIRE HECKD HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT OUTER REAR BUMPER RADAR SENSOR PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE RADOME HEATER (CENTER OF GRILLE) RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT OUTER REAR BUMPER RADAR SENSOR SHORT, LONG-RANGE RADAR SENSOR SIG STOP LAMP SWITCH VIO WIRE VIO/WHT WIRE W/ ACTIVE DISTANCE ASSIST W/O ACTIVE DISTANCE ASSIST WHT WIRE WHT/YEL WIRE

AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES, INSTRUMENT CLUSTER, WARNING SYSTEMS ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COC COMPUTER DATA LINES SYSTEM CRASH ENGINE CONTROLS SYSTEM FRONT SAM CONTROL UNIT (LEFT END OF DASH) GRN WIRE GRN/BLU WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/WHT WIRE HAZARD LIGHT HAZARD SIG HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORNS SYSTEM INSTRUMENT CLUSTER SYSTEM LDS SGN 1 LDS SGN 2 LDS SGN 3 LIN 1 LL BU PNK WIRE PNK/GRN WIRE RBA REAR SAM CONTROL UNIT CIRCUIT RED/BLU WIRE RED/WHT WIRE SIG SIG RBA-1 SUPPLEMENTAL RESTRAINTS SYSTEM TFL TSI-L (+) VIO WIRE WHT WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM AIR CONDITIONING SYSTEM YEL 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-SIDE FUSE, RELAY MODULE FLEXRAY 1 BM FLEXRAY 1 BP FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT CUSHION LENGTH ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT FORE/AFT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT HEIGHT ADJUSTMENT MOTOR, HALL SENSOR FRONT PASSENGER SEAT INCLINATION ADJUSTMENT MOTOR, HALL SENSOR FUSE 210 GRN WIRE GRN/VIO WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED MOT GND/(+) MOT- NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTMENT SWITCH GROUP RIGHT FRONT SEAT CLIMATE CONTROL SWITCH GROUP SEATS SYSTEM SENS SENS GND SIG GND STEERING COLUMN MODULE CONTROL UNIT VIO WIRE W/ SEAT HEATER, SEAT CLIMATE CONTROL WHT WIRE WHT/BLK WIRE YEL 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 SIG 15 SIG SIG SUPPLEMENTAL RESTRAINTS SYSTEM TL (+) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WIPER/WASHER SYSTEM

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

BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES EARLY PRODUCTION FUEL PRESSURE SENSOR FUEL PUMP (FP) FUEL PUMP CONTROL UNIT (LATE PRODUCTION) (UNDER RIGHT REAR SEAT) FUSE 453 GRN WIRE GRN/GRY WIRE GRN/PNK WIRE HECKR HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INTAKE CAMSHAFT HALL SENSOR LATE PRODUCTION MPAC U MPAC V MPAC W NCA WIRE PNK WIRE PNK/BLK WIRE PUMP REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RIGHT FUEL TANK FUEL LEVEL INDICATOR FILL LEVEL SENSOR SIG SYSTEM VEHICLE INTERIOR/FUEL TANK ELECTRICAL CONNECTOR WHT/BLK WIRE WHT/BLU WIRE YEL/BLU WIRE