Mercedes-Benz CLS-class C257 (2017-2021) trailer recognition control unit Wiring diagrams

ACTIVE BRAKE ASSIST CONTROLLER UNIT AIR BODY CONTROL COMPRESSOR BACKUP RELAY BATTERY DISCONNECT SWITCH RELAY BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CPC RELAY DC/DC CONVERTER CONTROL UNIT DISTRONIC DISTANCE-PILOT CONTROLLER UNIT ENGINE COMPARTMENT PREFUSE BOX ENGINE FUSE, RELAY MODULE HEATED REAR WINDOW RELAY KEYLESS-GO CONTROL UNIT LEFT FRONT LAMP UNIT LEFT OUTER FRONT BUMPER RADAR SENSOR LEFT REAR LAMP UNIT LUGGAGE COMPARTMENT SOCKET NCA WIRE PASSENGER SIDE ENGINE HOOD CONTACT SWITCH RADOME HEATER REAR FUSE, RELAY MODULE RIGHT FANFARE HORN RIGHT FRONT BRAKE WEAR SENSOR RIGHT OUTER FRONT BUMPER RADAR SENSOR SHORT, LONG-RANGE RADAR SENSOR SPRAY NOZZLE HOSE HEATER TRAILER RECOGNITION CONTROL UNIT TRAILER SOCKET TRUNK LID/ LIFTGATE LOCK TV TUNER CONTROL UNIT WINDSHIELD WASHER SYSTEM PUMP WIPER MOTOR

ADVANCED SOUND SYSTEM AMPLIFIER CONTROL UNIT AIR BODY CONTROL PLUS CONTROL UNIT AMBIANCE ILLUMINATION CONTROL UNIT ARMREST HEATER CONTROL UNIT BACKUP CAMERA CONTROL UNIT ENGINE SOUND CONTROL UNIT FROM FUSE 449 (DIAGRAM 3 OF 8) FUSE 406 FUSE 408 FUSE 410 FUSE 412 FUSE 414 FUSE 415 FUSE 417 FUSE 425 FUSE 428 FUSE 435 FUSE 436 FUSE 443 FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 448 FUSE 461 FUSE 462 FUSE 463 FUSE 467 FUSE 468 FUSE 469 FUSE 471 FUSE 472 FUSE 473 FUSE 475 FUSE 478 FUSE 479 FUSE 483 FUSE 484 INTELLIGENT DRIVE CONTROL UNIT N/A N/A N/A NCA WIRE PARKING SYSTEM CONTROL UNIT REAR SWITCHING MODULE REAR WOOFER AMPLIFIER RED WIRE RED/BLU (OR RED) WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEM MIDLINE AMPLIFIER CONTROL UNIT TELEPHONE ANTENNA CHANGEOVER SWITCH TIRE PRESSURE MONITOR CONTROL UNIT TO DC\DC CONVERTER CONTROL UNIT (DIAGRAM 2 OF 8) TO REAR PASSENGER COMPARTMENT USB CONNECTOR (DIAGRAM 3 OF 8) TRAILER RECOGNITION CONTROL UNIT TRUNK LID CONTROL UNIT TV TUNER CONTROL UNIT W/ ACTIVE PARKING ASSIST W/ ADVANCED SOUND SYSTEM W/ PREMIUM AMBIANCE ILLUMINATION W/ UPRATED ENGINE W/O ACTIVE PARKING ASSIST W/O ADVANCED SOUND SYSTEM W/O UPRATED ENGINE W/ ADVANCED SOUND SYSTEM W/O UPRATED ENGINE, ADVANCED SOUND SYSTEM

??? ??? AAG BL (+) BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE BUL (+) CAN B H CAN B L F LIGHT GND FUSE 444 FUSE 445 FUSE 446 FUSE 447 FUSE 448 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES ILLU GND PNK SIG WIRE PNK WIRE PNK/RED WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RFL (+) SENS SENS GND SIG TL L (+) TLR (+) TRAILER HITCH RELEASE TRAILER RECOGNITION CONTROL UNIT TRAILER SOCKET TRUNK LID/LIFTGATE FULLY ELECTRIC TRAILER HITCH SWITCH WHT WIRE YEL WIRE