Power distribution circuit for Mercedes-Benz GLC-class Coupe C253 facelift (2019-2023)

BATTERY DISCONNECT SWITCH RELAY BLK WIRE BRN WIRE CENTER FUEL CELL COOLING COOLANT PUMP ECO START/STOP FUNCTION ADDITIONAL BATTERY RELAY ELECTRIC COOLANT PUMP ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC BLOWER CONTROLLER ELECTRONIC STABILITY PROGRAM CONTROL UNIT FAN MOTOR FRONT SAM CONTROL UNIT FULLY INTEGRATED TRANSMISSION CONTROL UNIT FUSE 1 FUSE 10 FUSE 13 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 LEFT FUEL CELL COOLING COOLANT PUMP N/A NCA WIRE ON-BOARD ELECTRICAL SYSTEM BATTERY POWER ELECTRONICS CONTROL UNIT RED (OR RED/BLU) WIRE RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE REL C (+) REL O (+) REL O GND SPECIAL PURPOSE VEHICLE FUSE BLOCK 1 TERMINAL BLOCK (CIRCUIT 30) TO DRIVER-SIDE FUSE, RELAY MODULE (DIAGRAM 2 OF 9) TO ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 5 OF 9) TO ENGINE FUSE, RELAY MODULE (DIAGRAM 9 OF 9) TO PASSENGER- SIDE A-PILLAR FUSE BOX (DIAGRAM 6 OF 9) TO PASSENGER-SIDE A-PILLAR FUSE BOX (DIAGRAM 7 OF 9) TO REAR FUSE, RELAY MODULE (DIAGRAM 3 OF 9) VOLTAGE DIP LIMITER W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING

AMBIANCE ILLUMINATION CONTROL UNIT AUDIO EQUIPMENT FAN MOTOR BOOSTER BLOWER ELECTRONIC BLOWER REGULATOR CARSHARING CONTROL UNIT CLIMATE CONTROL OPERATING UNIT CLIMATE CONTROL UNIT DIAGNOSTIC CONNECTOR FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 9) FRONT SAM 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 LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT REAR DOOR CONTROL UNIT MONO MULTI-FUNCTION CAMERA N/A NCA WIRE PARKING SYSTEM CONTROL UNIT PWR-1 PWR-2 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE STEERING COLUMN MODULE CONTROL UNIT STEREO MULTI-FUNCTION CAMERA UPPER CONTROL PANEL CONTROL UNIT W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING

BACKUP RELAY BLU WIRE BRN WIRE DRIVER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FROM VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 9) FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT PASSENGER SEAT PARTIALLY ELECTRIC SEAT ADJUSTMENT SWITCH FUEL PUMP CONTROL UNIT FUSE 403 FUSE 404 FUSE 405 FUSE 407 FUSE 449 FUSE 452 FUSE 453 FUSE 455 FUSE 456 FUSE 457 FUSE 458 FUSE 461 FUSE 466 FUSE 471 FUSE 473 FUSE 476 FUSE 477 FUSE 479 FUSE 480 FUSE 483 GRY WIRE HEATED REAR WINDOW RELAY HECKR LEFT TABLET PC ELECTRICAL CONNECTOR LUGGAGE COMPARTMENT SOCKET N/A PNK/GRN WIRE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT TABLET PC ELECTRICAL CONNECTOR SOUND SYSTEM AMPLIFIER CONTROL UNIT SUBWOOFER AMPLIFIER TO DC/AC CONVERTER CONTROL UNIT (DIAGRAM 8 OF 9) TO FUSE 465 (DIAGRAM 8 OF 9) TO FUSE 468 (DIAGRAM 4 OF 9) VEHICLE INTERIOR TERMINAL 15 RELAY W/ SEATING COMFORT PACKAGE W/ SMOKER'S PACKAGE W/O SEATING COMFORT PACKAGE W/O SMOKER'S PACKAGE

AIR BODY CONTROL PLUS CONTROL UNIT AMBIANCE ILLUMINATION CONTROL UNIT BACKUP CAMERA CONTROL UNIT BATTERY MANAGEMENT SYSTEM CONTROL UNIT ELECTRONIC DIFFERENTIAL CONTROL UNIT FROM FUSE 473 (DIAGRAM 3 OF 9) FUSE 406 FUSE 408 FUSE 409 FUSE 410 FUSE 411 FUSE 412 FUSE 413 FUSE 415 FUSE 417 FUSE 424 FUSE 427 FUSE 429 FUSE 435 FUSE 443 FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 448 FUSE 450 FUSE 451 FUSE 454 FUSE 462 FUSE 464 FUSE 468 FUSE 469 FUSE 472 FUSE 475 FUSE 478 FUSE 484 GRN WIRE LEFT FRONT DOOR CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT REAR DOOR CONTROL UNIT MERCEDES-BENZ INTELLIGENT DRIVE CONTROL UNIT N/A NCA WIRE PARKING SYSTEM CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT REAR SWITCHING MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN (OR RED) WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR SPECIAL VEHICLE MULTI-FUNCTION CONTROL UNIT TAILGATE CONTROL UNIT TO FUSE 416 (DIAGRAM 8 OF 9) TRAILER RECOGNITION CONTROL UNIT VEHICLE SOCKET ELECTRICAL CONNECTOR W/ FUEL CELL RETROFITTING W/ PRE- SAFE W/O FUEL CELL RETROFITTING W/O PRE- SAFE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN HMI H CAN HMI L CAN PER H CAN PER L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM DCS ELECTRONIC IGNITION SWITCH CONTROL UNIT FLEX-E BP FLEX-E BP PNK FLEX-E BM WIRE FROM BATTERY DISCONNECT SWITCH RELAY (DIAGRAM 1 OF 9) FROM ENGINE FUSE, RELAY MODULE (DIAGRAM 9 OF 9) FROM PASSENGER-SIDE A-PILLAR FUSE BOX (DIAGRAM 6 OF 9) FULLY INTEGRATED TRANSMISSION CONTROL UNIT GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE KEYLESS GO START/STOP BUTTON KEYLESS-GO CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT ORG/ WIRE P NOT PARK PAWL CAPACITOR PNK FLEX-E BM WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE REL C (+) SIG (1) SIG (2) SIG 3 WAKE-UP WHT WIRE YEL WIRE YEL/WHT WIRE

ALARM SIREN AUGMENTED REALITY CAMERA DIAGNOSTIC CONNECTOR DRIVER-SIDE INSTRUMENT PANEL BUTTON GROUP FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 9) FROM FUSE 1 (DIAGRAM 7 OF 9) FRONT CENTER CONSOLE USB CONNECTOR FUSE 1 FUSE 2 FUSE 3 FUSE 318 FUSE 319 FUSE 320 FUSE 321 FUSE 322 FUSE 323 FUSE 4 FUSE 5 FUSE 6 HAND MOTION SENSOR HEAD-UP DISPLAY INSTRUMENT CLUSTER KEYLESS-GO CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR MOBILE PHONE CRADLE CONTROL UNIT MULTI-MEDIA CONNECTION UNIT MULTIPLE FUSE 2 MULTIPLE FUSE 3 REAR USB ELECTRICAL CONNECTOR RED WIRE RED/GRN WIRE RED/ORG WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR TELEPHONE, STATIONARY HEATER ANTENNA CHANGEOVER SWITCH THEFT DETECTION SYSTEM HORN ELECTRICAL CONNECTOR TO ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 5 OF 9) TOUCHPAD W/ FUEL CELL RETROFITTING W/ POSITIONING, TRACKING SYSTEM W/O POSITIONING, TRACKING SYSTEM

ADAPTIVE DAMPING SYSTEM CONTROL UNIT AIR BODY CONTROL UNIT ALL-WHEEL DRIVE CONTROL UNIT AUDIO/ COMAND DISPLAY BLK WIRE DRIVER SEAT CONTROL UNIT DRIVER'S SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT DRIVETRAIN CONTROL UNIT ELECTRIC BRAKE CONTROL ELECTRICAL CONNECTOR FROM VEHICLE INTERIOR PREFUSE BOX (DIAGRAM 1 OF 9) FRONT PASSENGER SEAT CONTROL UNIT FRONT PASSENGER SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT FRONT SEAT HEATER CONTROL UNIT FUSE 1 FUSE 2 FUSE 3 FUSE 301 FUSE 302 FUSE 303 FUSE 304 FUSE 305 FUSE 306 FUSE 307 FUSE 308 FUSE 309 FUSE 310 FUSE 311 FUSE 312 FUSE 313 FUSE 314 FUSE 315 FUSE 316 FUSE 317 FUSE 4 FUSE 5 FUSE 6 HEAD UNIT ME-SFI (ME) CONTROL UNIT MULTIPLE FUSE 1 OVERHEAD CONTROL PANEL CONTROL UNIT PANORAMIC SLIDING SUNROOF CONTROL MODULE RAIN/LIGHT SENSOR W/ ADDITIONAL FUNCTIONS RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT REAR DOOR CONTROL UNIT SHORT, LONG-RANGE RADAR SENSOR SLIDING ROOF CONTROL MODULE STATIONARY HEATER UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT THEFT DETECTION SYSTEM HORN RELAY TO FUSE 6 (DIAGRAM 6 OF 9) W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING

ALTERNATING CURRENT CHARGER HIGH-VOLTAGE BATTERY BLK WIRE BRN WIRE DC/AC CONVERTER CONTROL UNIT DRIVER'S SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT ELECTRONIC DIFFERENTIAL CONTROL UNIT FROM FUSE 472 (DIAGRAM 4 OF 9) FROM REAR FUSE, RELAY MODULE (DIAGRAM 3 OF 9) FROM VEHICLE INTERIOR TERMINAL 15 RELAY (DIAGRAM 3 OF 9) FRONT PASSENGER SEAT LUMBAR SUPPORT ELECTROPNEUMATIC CONTROLLER UNIT FUSE 414 FUSE 416 FUSE 425 FUSE 426 FUSE 428 FUSE 436 FUSE 459 FUSE 460 FUSE 465 FUSE 467 FUSE 470 LEFT FRONT MULTICONTOUR SEAT CONTROL UNIT MPAC U MPAC V N/A ORG/ WIRE ORG/BLK WIRE ORG/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT MULTICONTOUR SEAT CONTROL UNIT SENS SENS GND TIRE PRESSURE MONITOR CONTROL UNIT W/ FUEL CELL RETROFITTING W/O FUEL CELL RETROFITTING W/O SEATING COMFORT PACKAGE YEL WIRE

AIRMATIC RELAY ALL-WHEEL DRIVE CONTROL UNIT BLK/RED WIRE COOLANT PUMP RELAY CPC RELAY DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ENGINE COMPARTMENT TERMINAL 15 RELAY EXTERIOR LIGHTS SWITCH FANFARE HORN RELAY FROM ENGINE COMPARTMENT PREFUSE BOX (DIAGRAM 1 OF 9) FRONT SAM CONTROL UNIT FUSE 108 FUSE 109 FUSE 110 FUSE 111 FUSE 112 FUSE 117 FUSE 120 FUSE 121 FUSE 122 FUSE 123 FUSE 124 FUSE 125 FUSE 126 FUSE 128 FUSE 129 FUSE 130 FUSE 133 LEFT FRONT LAMP UNIT ME-SFI (ME) CONTROL UNIT N/A OIL PUMP RELAY ORG/BLU WIRE PNK/RED WIRE REAR USB ELECTRICAL CONNECTOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT LAMP UNIT STARTER CIRCUIT 50 RELAY TO PARK PAWL CAPACITOR (DIAGRAM 5 OF 9) VACUUM PUMP RELAY W/ DYNAMIC LED W/ STATIC LED W/ DYNAMIC LED W/O FUEL CELL RETROFITTING WIPER MOTOR WIPER PARK POSITION HEATER RELAY