Mercedes-Benz GLC-class Coupe C253 facelift (2019-2023) blk/red Wiring diagrams

ADAPTIVE DAMPING SYSTEM CONTROL UNIT AIR BODY CONTROL VALVE UNIT BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BRN/BLK WIRE ENGINE COMPARTMENT PREFUSE BOX FUSE 5 GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT LEVEL SENSOR LEFT REAR LEFT REAR AXLE DAMPING VALVE UNIT LEFT REAR LEVEL SENSOR RED WIRE RIGHT FRONT RIGHT FRONT AXLE DAMPING VALVE UNIT RIGHT FRONT LEVEL SENSOR RIGHT REAR RIGHT REAR AXLE DAMPING VALVE UNIT SIG SOLENOID VALVE 1 VALVE 2 VLV 2 H VLV 2 L WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

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/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

BLK WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FLEX-E BM FLEX-E BP FRONT SAM CONTROL UNIT FUSE 128 FUSE 200 FUSE 210 FUSE 322 GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HAZARD LIGHT COC HAZARD SIG HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL UNIT (IN LEFT FRONT DOOR) LEFT FRONT LAMP UNIT LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR TURN SIGNAL LAMP NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RED WIRE RED/BLK 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 SENS SIG SIG (1) SIG (2) SIG 3 SIG 3 PNK SENS (+) WIRE SML STEERING COLUMN MODULE CONTROL UNIT STOP LAMP SWITCH SYSTEM TSI R (+) TSI-L (+) VIO WIRE VIO/WHT WIRE W/O FUEL CELL RETROFITTING 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 BLU/BLK WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L COC COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE DTRL ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FUSE 126 FUSE 128 FUSE 200 GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HAZARD LIGHT HAZARD SIG HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED LEFT FRONT LAMP UNIT PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/WHT WIRE SENS SIG SIG (1) SIG (2) SIG 3 STOP LAMP SWITCH TSI R (+) VIO WIRE VIO/WHT WIRE W/O FUEL CELL RETROFITTING 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

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

AIRMATIC RELAY ALL-WHEEL DRIVE CONTROL UNIT BLK/RED WIRE COOLANT PUMP RELAY CPC RELAY DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT TERMINAL 15 RELAY EXTERIOR LIGHTS SWITCH FANFARE HORN RELAY FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 9) FRONT SAM CONTROL UNIT FUSE 108 FUSE 109 FUSE 110 FUSE 111 FUSE 112 FUSE 117 FUSE 120 FUSE 121 FUSE 122 FUSE 123 FUSE 124 FUSE 125 FUSE 126 FUSE 128 FUSE 129 FUSE 130 FUSE 133 LEFT FRONT LAMP UNIT ME-SFI (ME) CONTROL UNIT N/A OIL PUMP RELAY ORG/BLU WIRE PNK/RED WIRE REAR USB ELECTRICAL CONNECTOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT STARTER CIRCUIT 50 RELAY TO PARK PAWL CAPACITOR (DIAGRAM 5 OF 9) VACUUM PUMP RELAY W/ DYNAMIC LED W/ STATIC LED W/ DYNAMIC LED W/O FUEL CELL RETROFITTING WIPER MOTOR WIPER PARK POSITION HEATER RELAY

AAG BL (+) BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BUL (+) CAN B H CAN B L COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DIAG DISCONNECT SWITCH RELAY ENERGIZED DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS ENGINE CONTROLS SYSTEM FUSE 476 FUSE 477 GRN/ORG WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HECKL HECKR HOT W/ BATTERY MOT- PNK/BLK WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT (RIGHT FRONT OF LUGGAGE COMPT) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE REL (+) REL GND SIG SML TL/PL (+) TL/PL/BL/TSI (+) TSI (+) VIO/GRN WIRE VIO/PNK WIRE WHT WIRE YEL/WHT WIRE