Mercedes-Benz GLC-class X254 (2022-2024) on-board diagnostics control unit Wiring diagrams

BLK/WHT WIRE BLU WIRE BRN WIRE CAN L CAN-H DIAGNOSTIC CONNECTOR DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ETH N ETH P FUSE 205 GRN WIRE HOT AT ALL TIMES ON-BOARD DIAGNOSTICS CONTROL UNIT PNK WIRE RED/BLK WIRE WAKE-UP WHT WIRE WHT/BLK WIRE

ADDITIONAL BRAKE LAMP BRN WIRE BRN/WHT WIRE COOLANT PUMP DIAGNOSTIC CONNECTOR DRIVER SEAT CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT PNEUMATIC PUMP DRIVER SIDE BAG SQUIB DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE MANAGEMENT CONTROL UNIT FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT ILLUMINATED DOOR SILL MOLDING INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LEFT FRONT DOOR CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT FRONT SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT LEFT REAR DOOR CONTROL UNIT ON-BOARD DIAGNOSTICS CONTROL UNIT POTENTIAL DISTRIBUTOR ELECTRICAL CONNECTOR, PREFUSE BOX RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT RIGHT LUGGAGE COMPARTMENT REAR BACKREST RELEASE BUTTON SIGNAL, AMBIENT LAMP TAILGATE WIPER MOTOR TRUNK LID/TAILGATE EXTERNAL OPERATION BUTTON TRUNK LID/TAILGATE LOCK

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN L CAN L CAN L CAN-H ELECTRONIC IGNITION SWITCH CONTROL UNIT ETH N ETH P FLEX FUSE 139 FUSE 208 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HEAD UNIT (CENTER OF DASH) HOT AT ALL TIMES HOT W/ ENGINE COMPARTMENT TERMINAL 15 RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT INSTRUMENT CLUSTER DISPLAY LEFT FRONT LAMP UNIT MOBILE PHONE CRADLE CONTROL UNIT ON-BOARD DIAGNOSTICS CONTROL UNIT PNK/BLU WIRE PNK/GRY WIRE PNK/RED WIRE PNK/WHT WIRE RED WIRE RIGHT FRONT LAMP UNIT TIRE PRESSURE MONITOR CONTROL UNIT TOUCHSCREEN UPPER CONTROL PANEL CONTROL UNIT VIO WIRE VIO/WHT WIRE WAKE-UP WHT WIRE

BLU/RED WIRE DIAGNOSTIC CONNECTOR DRIVER SEAT CONTROL UNIT DRIVETRAIN CONTROL UNIT FROM PREFUSE BOX (DIAGRAM 2 OF 9) FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 200 FUSE 201 FUSE 202 FUSE 203 FUSE 204 FUSE 205 FUSE 206 FUSE 207 FUSE 208 FUSE 209 FUSE 210 FUSE 211 FUSE 212 FUSE 213 FUSE 214 FUSE 215 FUSE 216 FUSE 217 FUSE 218 FUSE 219 FUSE 220 FUSE 221 FUSE 222 FUSE 223 FUSE 224 FUSE 225 FUSE 226 FUSE 227 FUSE 228 FUSE 229 FUSE 230 FUSE 231 FUSE 232 INSTRUMENT CLUSTER CONTROL UNIT INSTRUMENT CLUSTER DISPLAY LEFT FRONT DOOR CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT FRONT SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT MEDIUM- RANGE RADAR SENSOR N/A NOT USED ON-BOARD DIAGNOSTICS CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE STEERING COLUMN MODULE CONTROL UNIT TO PYROFUSE (DIAGRAM 1 OF 9) TOUCHSCREEN UPPER CONTROL PANEL CONTROL UNIT

BACKUP RELAY BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CIRCUIT 50 RELAY COOLANT DIRECTIONAL CONTROL VALVE DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT TERMINAL 15 RELAY ENGINE MANAGEMENT CONTROL UNIT EXHAUST FLAP ACTUATOR MOTOR FAN FANFARE HORN RELAY FROM PREFUSE BOX (DIAGRAM 2 OF 9) FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 100 FUSE 106 FUSE 107 FUSE 108 FUSE 109 FUSE 110 FUSE 111 FUSE 113 FUSE 114 FUSE 115 FUSE 116 FUSE 117 FUSE 118 FUSE 119 FUSE 120 FUSE 121 FUSE 122 FUSE 123 FUSE 124 FUSE 127 FUSE 128 FUSE 129 FUSE 136 FUSE 139 FUSE 140 FUSE 141 FUSE 142 FUSE 145 FUSE 147 LEFT FRONT LAMP UNIT LOW TEMPERATURE CIRCUIT CIRCULATION PUMP 2 LOW-TEMPERATURE CIRCUIT CIRCULATION PUMP 3 N/A N/A N/A NOT USED OIL PUMP RELAY ON-BOARD DIAGNOSTICS CONTROL UNIT PNK/BLK WIRE PNK/RED WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/PNK WIRE RED/WHT WIRE RELAY 1 RELAY Q RIGHT FRONT LAMP UNIT WHT WIRE WIPER MOTOR WIPER PARK POSITION HEATER RELAY

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 FROM PREFUSE BOX (DIAGRAM 2 OF 9) 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-X SIG 1-S SHD 2-X SIG 2-S SHD BLK/BLU WIRE BLU WIRE BRN WIRE CENTER FRONT MID-RANGE SPEAKER (STANDARD) DRIVETRAIN CONTROL UNIT ELECTRONIC IGNITION SWITCH CONTROL UNIT ETH N ETH P FRONT PASSENGER WEIGHT CLASSIFICATION CONTROL UNIT FRONT SIGNAL ACQUISITION, ACTUATION MODULE CONTROL UNIT FUSE 430 GRN WIRE HEAD UNIT (CENTER OF DASH) HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT MUTE NCA WIRE ON-BOARD DIAGNOSTICS CONTROL UNIT RED/WHT WIRE ROOF ANTENNA MODULE SHD SIG SOUND SYSTEM AMPLIFIER CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TELEMATICS SERVICES COMMUNICATION MODULE VIO WIRE WAKE-UP WHT WIRE YEL WIRE