Mercedes-Benz GLC-class Coupe C254 (2023-2024) org/ Wiring diagrams

BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM ETH P ETH-N ETHERNET FUSE 331 GRN WIRE GRN/WHT WIRE GRY WIRE HEAD UNIT (CENTER OF DASH) HOT W/ RELAY A ENERGIZED HSDL N HSDL HSDL-P LEFT FRONT DOOR MIDRANGE SPEAKER LEFT REAR DOOR MIDRANGE SPEAKER ORG/ WIRE PNK WIRE PNK/BLK WIRE RED/BLU WIRE RIGHT FRONT BASS SPEAKER RIGHT FRONT DOOR MIDRANGE SPEAKER RIGHT REAR DOOR MIDRANGE SPEAKER SHIELD SIG USB VIO WIRE WAKE-UP WHT WIRE WHT/YEL WIRE YEL/BLU WIRE

+1 +S +B +2 1-X B+ 1 B+ 3 B-4 B-S BLU WIRE BRN WIRE BRN/YEL WIRE FRONT MID-RANGE SPEAKER FUSE 225 FUSE 335 GRN WIRE HOT AT ALL TIMES HOT W/ RELAY A ENERGIZED HSD HSDL-N HSDL-P MQS NCA WIRE ORG/ WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE SHIELD SIG TELEMATICS SERVICES COMMUNICATION MODULE USB VIO WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE

+1 +S 1-X 2-S 2-X BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM FUSE 312 GRN WIRE HEAD UNIT (CENTER OF DASH) HOT W/ RELAY A ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT MOBILE PHONE CRADLE CONTROL UNIT MULTIPLE FUSE 2 NCA WIRE ORG/ WIRE PARKING SYSTEM CONTROL UNIT RED/GRN WIRE RED/GRY WIRE SDARS ANTENNA SHIELD SHIELD CAMERA SHIELD CIC/PIP SHIELD RADIO SIG SIG GNSS TOUCHSCREEN USB USB USB W-LAN W-LAN BT-WLAN YEL WIRE

ACCELERATOR PEDAL SENSOR BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CAN L CAN-H COC COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ENGINE MANAGEMENT CONTROL UNIT FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT FUSE 119 FUSE 122 FUSE 439 GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT 15 RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT ORG/ WIRE RED/BLK WIRE RED/BLU WIRE RED/PNK WIRE RIGHT REAR SHORT RANGE RADAR SENSOR SIG START/STOP BUTTON THROTTLE VALVE ACTUATOR TOP OF ENGINE) VIO/WHT WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BRN WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BM FLEX-E BP FUSE 204 FUSE 218 GND CAN-H GRN/WHT WIRE HOT AT ALL TIMES LEFT REAR SHORT RANGE RADAR SENSOR MEDIUM- RANGE RADAR SENSOR MULTI-FUNCTION STEERING WHEEL BUTTON GROUP 1 MULTI-FUNCTION STEERING WHEEL BUTTON GROUP 2 N/A ORG/ WIRE PNK/WHT WIRE RED/BLK WIRE RED/WHT WIRE SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS VIO/WHT WIRE WHT WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/ORG WIRE BRN WIRE CAN L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT FUSE 414 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT ORG/ WIRE OUTER LEFT REAR LAMP UNIT R SIG REAR SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT RED/GRY WIRE SIG START/STOP BUTTON TL SIG TSI (+) SIG VIO/BLK WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

AIR CONDITIONING SYSTEM BLK/WHT WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CAN L COMPUTER DATA LINES SYSTEM FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS KLA ORG/ WIRE ORG/GRN WIRE ORG/VIO WIRE PNK/RED WIRE RED/BRN WIRE RED/VIO WIRE SIG SIG (+) COC STARTING/CHARGING SYSTEM VIO WIRE VIO/WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/ORG WIRE

22 23 LIN BLK WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/YEL WIRE COC DOOR LOCKS SYSTEM DRIVETRAIN CONTROL UNIT ELECTRIC PARKING BRAKE SWITCH ELECTRONIC IGNITION SWITCH CONTROL UNIT FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT GRN WIRE GRN/YEL WIRE GRY/BLU WIRE HOOD CONTACT SWITCH LEFT FRONT DOOR HANDLE LEFT FRONT DOOR LOCK LEFT REAR DOOR HANDLE LEFT REAR DOOR LOCK ORG/ WIRE REAR SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT REAR SWITCHING MODULE RED WIRE RIGHT FRONT DOOR HANDLE RIGHT FRONT DOOR LOCK RIGHT REAR DOOR HANDLE RIGHT REAR DOOR LOCK ROOF ANTENNA MODULE SIG SIG 20 21 START/STOP BUTTON UPPER CONTROL PANEL CONTROL UNIT VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/ORG WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

+1 +S +B +2 1-X B+ 1 B+ 3 B-4 B-S BLU WIRE BRN WIRE BRN/YEL WIRE FRONT MID-RANGE SPEAKER FUSE 225 FUSE 335 GRN WIRE HOT AT ALL TIMES HOT W/ RELAY A ENERGIZED HSD HSDL-N HSDL-P MQS NCA WIRE ORG/ WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE SHIELD SIG TELEMATICS SERVICES COMMUNICATION MODULE USB VIO WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE

+1 +S 1-X 2-S 2-X BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM FUSE 312 GRN WIRE HEAD UNIT (CENTER OF DASH) HOT W/ RELAY A ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT MOBILE PHONE CRADLE CONTROL UNIT MULTIPLE FUSE 2 NCA WIRE ORG/ WIRE PARKING SYSTEM CONTROL UNIT RED/GRN WIRE RED/GRY WIRE SDARS ANTENNA SHIELD SHIELD CAMERA SHIELD CIC/PIP SHIELD RADIO SIG SIG GNSS TOUCHSCREEN USB USB USB W-LAN W-LAN BT-WLAN YEL WIRE