Mercedes-Benz GLC-class Coupe C254 (2023-2024) telematics services communication module Wiring diagrams

+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

BRN WIRE COOLANT DIRECTIONAL CONTROL VALVE DRIVER KNEE BAG SQUIB ELECTRIC PARKING BRAKE SWITCH EXHAUST FLAP ACTUATOR MOTOR HORN INSTRUMENT CLUSTER CONTROL UNIT INSTRUMENT CLUSTER DISPLAY INTERIOR TEMPERATURE SENSOR LEFT FRONT LAMP UNIT LEFT LUGGAGE COMPARTMENT REAR BACKREST RELEASE BUTTON LEFT REAR OUTER LAMP UNIT LEFT REAR SHORT RANGE RADAR SENSOR LOW TEMPERATURE CIRCUIT CIRCULATION PUMP 2 LOW-TEMPERATURE CIRCUIT CIRCULATION PUMP 3 PARKING SYSTEM CONTROL UNIT REAR SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT REAR SWITCHING MODULE RIGHT FRONT LAMP UNIT ROOF ANTENNA MODULE START/STOP BUTTON STEERING COLUMN MODULE CONTROL UNIT STEERING WHEEL ELECTRONICS TELEMATICS SERVICES COMMUNICATION MODULE TRUNK/LOAD COMPARTMENT LAMP

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLOWER REGULATOR BLU WIRE BLU/WHT WIRE BLU/YEL WIRE CAN L CAN-H COC COM DIAGNOSTIC CONNECTOR ETH (-) ETH N ETH P FLEX FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT (LEFT END OF DASH) FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE INTEGRATED STARTER ALTERNATOR POWER ELECTRONICS LEFT FRONT DOOR CONTROL UNIT LEFT REAR DOOR CONTROL UNIT ORG/GRN WIRE ORG/VIO WIRE PARKING SYSTEM CONTROL UNIT PNK/BLU WIRE PNK/GRY WIRE PNK/RED WIRE PNK/WHT WIRE REAR SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT RIGHT REAR DOOR CONTROL UNIT TELEMATICS SERVICES COMMUNICATION MODULE VIO WIRE VIO/WHT WIRE WAKE-UP WHT WIRE YEL/BLU WIRE YEL/GRY WIRE

FROM HEATED REAR WINDOW RELAY (DIAGRAM 3 OF 9) FUSE 421 FUSE 422 FUSE 423 FUSE 424 FUSE 425 FUSE 426 FUSE 430 FUSE 431 FUSE 432 FUSE 433 FUSE 436 FUSE 437 FUSE 438 FUSE 439 FUSE 440 FUSE 441 FUSE 442 FUSE 443 FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 448 FUSE 449 FUSE 450 FUSE 451 FUSE 452 FUSE 453 FUSE 454 FUSE 455 FUSE 456 FUSE 457 FUSE 458 FUSE 459 FUSE 460 FUSE 461 FUSE 462 FUSE 463 FUSE 464 FUSE 465 FUSE 466 FUSE 467 FUSE 468 FUSE 469 FUSE 470 FUSE 471 FUSE 472 FUSE 473 FUSE 474 FUSE 475 FUSE 476 FUSE 477 FUSE 478 FUSE 479 FUSE 480 FUSE 481 FUSE 482 LEFT REAR SHORT RANGE RADAR SENSOR N/A N/A N/A NOT USED PARKING SYSTEM CONTROL UNIT REAR SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT REAR SWITCHING MODULE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT REAR SHORT RANGE RADAR SENSOR TELEMATICS SERVICES COMMUNICATION MODULE

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

+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

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT END FITTING TENSIONER FRONT PASSENGER WEIGHT CLASSIFICATION CONTROL UNIT FUSE 414 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES LEFT REAR DOOR PRESSURE SENSOR LEFT REAR SEAT BELT BUCKLE SWITCH LEFT WINDOW BAG SQUIB NCA WIRE ORG/GRN WIRE ORG/WHT WIRE PNK/YEL WIRE PYROFUSE REAR SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT RED/GRY WIRE RED/WHT WIRE REFRIGERANT INERTING SQUIB RIGHT WINDOW BAG SQUIB RIGHT, CENTER REAR SEAT BELT BUCKLE SWITCH SIG SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TELEMATICS SERVICES COMMUNICATION MODULE VIO WIRE WHT/BLU 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