Mercedes-Benz GLC-class Coupe C253 facelift (2019-2023) blu/yel 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

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L CAN HMI H CAN HMI L COC COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 200 FUSE 477 GRN/GRY WIRE GRN/RED WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/ORG WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED INSTRUMENT CLUSTER PEDAL ANGLE SENSOR REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RIGHT FRONT AXLE RPM SENSOR RIGHT FRONT BRAKE WEAR SENSOR RIGHT REAR AXLE RPM SENSOR RIGHT REAR BRAKE WEAR SENSOR SIG SIG GND WHT WIRE YEL WIRE YEL/WHT WIRE

ALTERNATOR BASIC BATTERY DISCONNECT SWITCH RELAY BATTERY SENSOR BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL UNIT FUSE 13 INSTRUMENT CLUSTER ME-SFI (ME) CONTROL UNIT NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY RED WIRE RIGHT VEHICLE-END, ENGINE-END BUSBAR STUD 2 STARTING CIRCUIT VIO WIRE VIO/WHT WIRE YEL WIRE YEL/WHT WIRE

AUDIO H AUDIO L+ BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CAN A H CAN A L CAN L H CAN L L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM ANTENNA 1 GPS GRY WIRE GRY/BLK WIRE GRY/WHT WIRE LEFT LOWER CONTROL PANEL MIC H MIC-L MUTE NCA WIRE PNK/BLK WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT LOWER CONTROL PANEL SHIELD SOUND AMPLIFIER CIRCUIT SUPPLEMENTAL RESTRAINTS SYSTEM TEL TELEPHONE ANTENNA SPLITTER TOUCHPAD UPPER CONTROL PANEL CONTROL UNIT VIO WIRE WHT WIRE WHT/ORG WIRE YEL WIRE YEL/WHT WIRE

AUDIO H AUDIO L+ BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CAN A H CAN A L CAN L H CAN L L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM EMERGENCY CALL SYSTEM ANTENNA 1 GPS GRY WIRE GRY/BLK WIRE GRY/WHT WIRE LEFT LOWER CONTROL PANEL MIC H MIC-L MUTE NCA WIRE PNK/BLK WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT LOWER CONTROL PANEL SHIELD SOUND AMPLIFIER CIRCUIT SUPPLEMENTAL RESTRAINTS SYSTEM TEL TELEPHONE ANTENNA SPLITTER TOUCHPAD UPPER CONTROL PANEL CONTROL UNIT VIO WIRE WHT WIRE WHT/ORG WIRE YEL WIRE YEL/WHT 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

15 M ANTI-LOCK BRAKES SYSTEM COOLING FANS SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM ENGINE CONTROLS SYSTEM BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE COOLING FANS SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM ENGINE FUSE, RELAY MODULE FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 123 FUSE 200 FUSE 201 GRN WIRE GRY/BLU WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORNS SYSTEM HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED PNK/RED WIRE POWER DISTRIBUTION SYSTEM PWR-1 PWR-2 RBA-1 RED WIRE RED/WHT WIRE RED/YEL WIRE REL GND REL/O/(+) REL/O/GND SIG STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TFL TSI R (+) YEL WIRE

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/YEL WIRE BLU WIRE BLU/PNK WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE DRIVER KNEEBAG SQUIB DRIVER SIDE BAG SQUIB FRONT PASSENGER AIR BAG BLEED VALVE SQUIB FRONT PASSENGER AIR BAG SQUIB 1 FRONT PASSENGER AIR BAG SQUIB 2 FRONT PASSENGER SEAT OCCUPANCY RECOGNITION FRONT PASSENGER SIDE BAG SQUIB GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HERMES CONTROL UNIT LEFT "C" PILLAR) LEFT REAR EMERGENCY TENSIONING RETRACTOR SQUIB LEFT REAR SIDE BAG SQUIB LEFT WINDOW BAG SQUIB NCA WIRE PNK/BLK WIRE PNK/GRN WIRE PNK/YEL WIRE SIG VIO WIRE VIO/YEL WIRE W/ HERMES LTE WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT YEL/WHT WIRE

BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE CAN HMI H CAN HMI L COMPUTER DATA LINES SYSTEM DRIVER SEAT POSITION DETECTION SWITCH DRIVER-SIDE ANCHOR FITTING TENSIONER SQUIB FRONT PASSENGER ANCHOR FITTING TENSIONER SQUIB FRONT PASSENGER SEAT POSITION DETECTION SWITCH GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE LEFT ACTIVE ENGINE HOOD SQUIB LEFT FRONT BUMPER PEDESTRIAN PRESSURE SENSOR LEFT FRONT DOOR PRESSURE SENSOR LEFT FRONTAL ACCELERATION SENSOR LEFT REAR DOOR PRESSURE SENSOR NCA WIRE PNK/RED WIRE RED/PNK WIRE RED/WHT WIRE RIGHT FRONT BUMPER PEDESTRIAN PROTECTION SENSOR RIGHT FRONT DOOR PRESSURE SENSOR RIGHT FRONTAL ACCELERATION SENSOR RIGHT REAR SIDE BAG SQUIB RIGHT WINDOW BAG SQUIB SIG SIG GND SIG SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE YEL/WHT WIRE