Mercedes-Benz GLC-class Coupe C254 (2023-2024) electronic ignition switch control unit Wiring diagrams

BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT FUSE 416 FUSE 417 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT REAR DOOR CONTROL UNIT LEFT REAR DOOR INTERIOR CENTRAL LOCKING SYSTEM BUTTON GROUP LEFT REAR DOOR LOCK ORG/ WIRE REAR SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SIG TANK CAP CENTRAL LOCKING ACTUATOR TRUNK LID/ TAILGATE LOCK YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY 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

BLK WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE CENTER SEAT BACKREST LOCKING FUNCTION SWITCH COOLANT THERMOSTAT HEATING ELEMENT DIVERT AIR SWITCHOVER VALVE ELECTRONIC IGNITION SWITCH CONTROL UNIT FAN FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUEL PUMP CONTROL UNIT HEAD UNIT ILLUMINATED DOOR SILL MOLDING INTEGRATED STARTER ALTERNATOR POWER ELECTRONICS LEFT REAR BACKREST RELEASE ACTUATOR MOBILE PHONE CRADLE CONTROL UNIT MULTI-FUNCTION CAMERA NCA WIRE OVERHEAD CONTROL PANEL CONTROL UNIT PTC HEATER BOOSTER RIGHT FRONT DOOR CONTROL UNIT RIGHT REAR BACKREST RELEASE ACTUATOR RIGHT REAR DOOR CONTROL UNIT RIGHT REAR OUTER LAMP UNIT RIGHT REAR SHORT RANGE RADAR SENSOR SPRAY NOZZLE HOSE HEATER STOWAGE COMPARTMENT LAMP TANK CAP CENTRAL LOCKING ACTUATOR UPPER CONTROL PANEL CONTROL UNIT WIPER MOTOR

BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT FUSE 323 FUSE 441 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LEFT FRONT DOOR HANDLE LEFT REAR DOOR HANDLE REAR SWITCHING MODULE RED/BRN WIRE RED/WHT WIRE RIGHT FRONT DOOR HANDLE RIGHT REAR DOOR HANDLE SIG VIO WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/ORG WIRE YEL/VIO 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

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CAN L COMPUTER DATA LINES SYSTEM DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ETH N ETH P FLEX FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HEAD UNIT INSTRUMENT CLUSTER CONTROL UNIT ON-BOARD DIAGNOSTICS CONTROL UNIT PNK WIRE PNK/BLU WIRE PNK/GRY WIRE PNK/RED WIRE PNK/WHT WIRE RED/BLU WIRE RED/BRN WIRE SIG TELEMATICS SERVICES COMMUNICATION MODULE VIO/WHT WIRE WAKE-UP WHT WIRE WHT/BLK WIRE WHT/RED WIRE

BLK WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT BUCKLE SWITCH DRIVER SEAT POSITION SWITCH ELECTRIC PARKING BRAKE SWITCH ELECTRONIC IGNITION SWITCH CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 111 FUSE 128 FUSE 224 FUSE 318 GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR LOCK NCA WIRE ORG/GRN WIRE PNK WIRE PNK/RED WIRE PNK/VIO WIRE PNK/WHT WIRE REAR SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE SIG SIG (1) SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

1-X SIG 1-S SHD 2-X SIG 2-S SHD BLK/BLU WIRE BLU WIRE BRN WIRE DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ETH N ETH P FRONT MID-RANGE SPEAKER FRONT PASSENGER WEIGHT CLASSIFICATION CONTROL UNIT FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 430 GNSS GRN WIRE HEAD UNIT (CENTER OF DASH) HOT AT ALL TIMES HSDL HSDL-N HSDL-P INSTRUMENT CLUSTER CONTROL UNIT MUTE NCA WIRE ON-BOARD DIAGNOSTICS CONTROL UNIT RED/WHT WIRE ROOF ANTENNA MODULE (REAR CENTER OF ROOF) SHD SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TELEMATICS SERVICES COMMUNICATION MODULE VIO WIRE WAKE-UP WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BM FLEX-E BP FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 218 FUSE 28 GRN/BLU WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT P NOT PNK/BLU WIRE RED WIRE SIG STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL DOWNSHIFT BUTTON STEERING WHEEL ELECTRONICS STEERING WHEEL UPSHIFT BUTTON WHT/RED WIRE