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

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/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

BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE CAN A H CAN A L CAN B H CAN B L CAN PER H CAN PER L COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES ENGINE FUSE, RELAY MODULE FUSE 110 FUSE 121 GRN WIRE GRN/WHT WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT DOOR CONTROL UNIT LEFT FRONT LAMP UNIT LEFT FRONT LEVEL SENSOR LEFT OUTSIDE MIRROR LEFT OUTSIDE MIRROR TURN SIGNAL LAMP LEFT REAR LEVEL SENSOR LIN RED/BLU WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SIG SIG (+) CAN-PER L SIG GND SYSTEM TOUCHPAD WHT/BLK WIRE WHT/YEL WIRE YEL WIRE

ANTI-THEFT SYSTEM BATTERY DISCONNECT BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 312 HOT W/ IL (+) INSIDE REAR VIEW MIRROR NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PASSENGER-SIDE A-PILLAR FUSE BOX RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RL (+) SIG SWITCH RELAY ENERGIZED YEL WIRE

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 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 STEERING COLUMN MODULE CONTROL UNIT VIO WIRE W/ SEAT HEATER, SEAT CLIMATE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

BATTERY DISCONNECT SWITCH RELAY BLK WIRE BRN WIRE CENTER FUEL CELL COOLING COOLANT PUMP ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ELECTRIC COOLANT PUMP ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC BLOWER CONTROLLER ELECTRONIC STABILITY PROGRAM CONTROL UNIT FAN MOTOR FRONT SAM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 1 FUSE 10 FUSE 13 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 LEFT FUEL CELL COOLING COOLANT PUMP N/A NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY POWER ELECTRONICS CONTROL UNIT RED (OR RED/BLU) WIRE RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE REL C (+) REL O (+) REL O GND SPECIAL PURPOSE VEHICLE FUSE BLOCK 1 TERMINAL BLOCK (CIRCUIT 30) TO DRIVER-SIDE FUSE, RELAY MODULE (DIAGRAM 2 OF 9) TO ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 5 OF 9) TO ENGINE FUSE, RELAY MODULE (DIAGRAM 9 OF 9) TO PASSENGER- SIDE A-PILLAR FUSE BOX (DIAGRAM 6 OF 9) TO PASSENGER-SIDE A-PILLAR FUSE BOX (DIAGRAM 7 OF 9) TO REAR FUSE, RELAY MODULE (DIAGRAM 3 OF 9) VOLTAGE DIP LIMITER W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING

BACKUP RELAY BLU WIRE BRN WIRE DRIVER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FROM VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 9) FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT PASSENGER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FUEL PUMP CONTROL UNIT FUSE 403 FUSE 404 FUSE 405 FUSE 407 FUSE 449 FUSE 452 FUSE 453 FUSE 455 FUSE 456 FUSE 457 FUSE 458 FUSE 461 FUSE 466 FUSE 471 FUSE 473 FUSE 476 FUSE 477 FUSE 479 FUSE 480 FUSE 483 GRY WIRE HEATED REAR WINDOW RELAY HECKR LEFT TABLET PC ELECTRICAL CONNECTOR LUGGAGE COMPARTMENT SOCKET N/A PNK/GRN WIRE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT TABLET PC ELECTRICAL CONNECTOR SOUND SYSTEM AMPLIFIER CONTROL UNIT SUBWOOFER AMPLIFIER TO DC/AC CONVERTER CONTROL UNIT (DIAGRAM 8 OF 9) TO FUSE 465 (DIAGRAM 8 OF 9) TO FUSE 468 (DIAGRAM 4 OF 9) VEHICLE INTERIOR TERMINAL 15 RELAY W/ SEATING COMFORT PACKAGE W/ SMOKER'S PACKAGE W/O SEATING COMFORT PACKAGE W/O SMOKER'S PACKAGE

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

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