Mercedes-Benz GLC-class Coupe C253 facelift (2019-2023) computer data lines system Wiring diagrams

BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER SEAT CONTROL UNIT FUSE 303 FUSE 305 FUSE 406 HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTABLE SEAT CUSHION LENGTH HEATER PAD LEFT FRONT SEAT ADJUSTMENT SWITCH GROUP LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION SEAT VENTILATION MOTORS NCA WIRE PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE SIG VIO WIRE W/ FUEL CELL RETROFITTING W/ SEAT HEATER, SEAT CLIMATE CONTROL W/O FUEL CELL RETROFITTING

BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FRONT SEAT HEATER CONTROL UNIT FUSE 302 FUSE 306 FUSE 406 GRY WIRE GRY/BLK WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT BACKREST SEAT VENTILATION MOTORS LEFT FRONT DOOR CONTROL UNIT LEFT FRONT SEAT ADJUSTABLE CUSHION LENGTH HEATER PAD LEFT FRONT SEAT BACKREST HEATER PAD LEFT FRONT SEAT CLIMATE CONTROL SWITCH GROUP LEFT FRONT SEAT CUSHION HEATER PAD LEFT FRONT SEAT CUSHION VENTILATION MOTORS PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE RED WIRE RED/BLU WIRE RED/VIO WIRE RIGHT FRONT BACKREST SEAT VENTILATION MOTORS RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT SEAT ADJUSTABLE CUSHION LENGTH HEATER PAD RIGHT FRONT SEAT BACKREST HEATER PAD RIGHT FRONT SEAT CLIMATE CONTROL SWITCH GROUP RIGHT FRONT SEAT CUSHION HEATER PAD RIGHT FRONT SEAT CUSHION VENTILATION MOTORS SHZ(+) VIO WIRE W/ SEAT HEATER, SEAT CLIMATE CONTROL

BLK WIRE BLK/BRN 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 ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE FUSE, RELAY MODULE FUSE 110 FUSE 111 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT LAMP UNIT OVERHEAD CONTROL PANEL CONTROL UNIT RED/BLU WIRE RED/YEL WIRE SIG SIG (1) SIG (2) SIG 3 SIG 4 SIG GND VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L COC COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FLEX-E BP PNK FLEX-E BM WIRE FUSE 126 FUSE 200 FUSE 202 FUSE 3 FUSE 305 FUSE 322 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT LEVEL SENSOR LEFT REAR LEVEL SENSOR MULTIPLE FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SENS SIG (1) SIG (2) SIG 3 STEERING COLUMN MODULE CONTROL UNIT VIO WIRE W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING WHT WIRE WHT/YEL WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLU/BRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN H H CAN H L CAN HMI H CAN HMI L CAN PER H CAN PER L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE ELECTRIC PARKING BRAKE SWITCH ELECTRONIC STABILITY PROGRAM CONTROL UNIT (LEFT REAR OF ENGINE COMPT) ENGINE FUSE, RELAY MODULE EXTERIOR LIGHTS SWITCH FLEX-E BM FLEX-E BP FRONT SAM CONTROL UNIT (LEFT END OF DASH) FUSE 110 FUSE 126 FUSE 133 111 FUSE 200 FUSE 202 FUSE 3 FUSE 305 FUSE 322 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT LAMP UNIT MULTIPLE FUSE 1 PASSENGER-SIDE A-PILLAR FUSE BOX PNK SENS (+) WIRE PNK WIRE PNK/RED WIRE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT SENS SENS COC SIG (1) SIG (2) SIG 3 SIG 4 STEERING COLUMN MODULE CONTROL UNIT VIO WIRE VIO/WHT WIRE W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING YEL WIRE YEL/WHT WIRE

BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FLEX-E BM FLEX-E BP FUSE 210 GRN WIRE HEATING ELEMENT HEATING ELEMENT TEMPERATURE SENSOR HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LH - NCA WIRE NTC- PNK WIRE RED/BLK WIRE SENS GND SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS STEERING WHEEL HEATER

BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 467 FUSE 470 HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT MULTICONTOUR SEAT CONTROL UNIT LEFT FRONT MULTICONTOUR SEAT PNEUMATIC PUMP REAR FUSE, RELAY MODULE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT MULTICONTOUR SEAT CONTROL UNIT RIGHT FRONT MULTICONTOUR SEAT PNEUMATIC PUMP SIG

BLK WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DRIVER-SIDE POWER WINDOW, OUTSIDE MIRROR ADJUSTMENT SWITCH GROUP FUSE 302 FUSE 303 FUSE 406 FUSE 408 GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT FRONT POWER WINDOW MOTOR LEFT FRONT POWER WINDOW SWITCH LEFT REAR DOOR CONTROL UNIT LEFT REAR POWER WINDOW MOTOR LEFT REAR POWER WINDOW SWITCH MOT GND/(+) PASSENGER-SIDE A-PILLAR FUSE BOX PASSENGER-SIDE POWER WINDOW SWITCH REAR FUSE, RELAY MODULE REAR SIDE WINDOW CHILD SAFETY LOCK SWITCH RED WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT FRONT POWER WINDOW MOTOR RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR DOOR CONTROL UNIT RIGHT REAR POWER WINDOW MOTOR RIGHT REAR POWER WINDOW SWITCH SIG SYSTEM VIO WIRE

BLK/BLU WIRE BLK/GRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM FUSE 476 GRN WIRE GRY WIRE GRY/WHT WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT REAR BACKREST INCLINATION SWITCH LEFT REAR BACKREST RELEASE ACTUATOR ORG/ WIRE ORG/PNK WIRE PNK WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RIGHT REAR BACKREST INCLINATION SWITCH RIGHT REAR BACKREST RELEASE ACTUATOR SIG SIG PNK (+) WIRE

BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE FUSE 214 FUSE 301 FUSE 303 FUSE 408 FUSE 451 GRY/BLK WIRE HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT REAR BACKREST HEATED CUSHION LEFT REAR DOOR CONTROL UNIT LEFT REAR SEAT HEATERS BUTTON LEFT REAR SEAT SITTING SURFACE HEATED CUSHION LIN PASSENGER-SIDE A-PILLAR FUSE BOX REAR FUSE, RELAY MODULE REAR SEAT HEATERS CONTROL UNIT RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR BACKREST HEATER PAD RIGHT REAR DOOR CONTROL UNIT RIGHT REAR SEAT HEATERS BUTTON RIGHT REAR SEAT SITTING SURFACE HEATED CUSHION SIG UB (+) VIO WIRE W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING