Mercedes-Benz CLS-class C257 (2017-2021) sound system amplifier control unit Wiring diagrams

ADVANCED SOUND SYSTEM AMPLIFIER CONTROL UNIT BLU WIRE BRN WIRE CENTER INSTRUMENT PANEL MIDRANGE SPEAKER CENTER INSTRUMENT PANEL SPEAKER DRIVER HANDS-FREE SYSTEM MICROPHONE FRONT PASSENGER HANDS-FREE SYSTEM MICROPHONE GRN WIRE GRY WIRE GRY/BLK WIRE MUTE NCA WIRE ORG/ WIRE PNK WIRE REAR PASSENGER COMPARTMENT MULTIMEDIA CONNECTION RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE SHIELD SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEM MIDLINE AMPLIFIER CONTROL UNIT UPPER CONTROL PANEL CONTROL UNIT USB USB GND USB H USB L VIO WIRE W/ ADVANCED SOUND SYSTEM W/O ADVANCED SOUND SYSTEM WHT WIRE

ADVANCED SOUND SYSTEM AMPLIFIER CONTROL UNIT BLU WIRE BRN WIRE CENTER INSTRUMENT PANEL MIDRANGE SPEAKER CENTER INSTRUMENT PANEL SPEAKER DRIVER HANDS-FREE SYSTEM MICROPHONE FRONT PASSENGER HANDS-FREE SYSTEM MICROPHONE GRN WIRE GRY WIRE GRY/BLK WIRE MUTE NCA WIRE ORG/ WIRE PNK WIRE REAR PASSENGER COMPARTMENT MULTIMEDIA CONNECTION RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE SHIELD SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEM MIDLINE AMPLIFIER CONTROL UNIT UPPER CONTROL PANEL CONTROL UNIT USB USB GND USB H USB L VIO WIRE W/ ADVANCED SOUND SYSTEM W/O ADVANCED SOUND SYSTEM WHT WIRE

ADAPTIVE DAMPING SYSTEM CONTROL UNIT ADVANCED SOUND SYSTEM AMPLIFIER CONTROL UNIT AIR BODY CONTROL PLUS CONTROL UNIT AIR BODY CONTROL UNIT ARMREST HEATER CONTROL UNIT BACKUP CAMERA CONTROL UNIT BRN WIRE BRN/WHT WIRE ENGINE SOUND CONTROL UNIT INNER LEFT REAR LAMP UNIT INTELLIGENT DRIVE CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR LEFT LICENSE PLATE LAMP LEFT OUTER REAR BUMPER INTEGRATED RADAR SENSOR LEFT REAR BACKREST INCLINATION SWITCH LEFT REAR DOOR CONTROL UNIT NCA WIRE PARKING SYSTEM CONTROL UNIT REAR PASSENGER COMPARTMENT MOBILE PHONE CRADLE CONTROL UNIT REAR SEAT HEATERS CONTROL UNIT REAR SWITCHING MODULE REAR WOOFER AMPLIFIER RIGHT LICENSE PLATE LAMP RIGHT OUTER REAR BUMPER INTEGRATED RADAR SENSOR SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEM MIDLINE AMPLIFIER CONTROL UNIT TIRE PRESSURE MONITOR CONTROL UNIT TRUNK LID CONTROL UNIT

ADVANCED SOUND SYSTEM AMPLIFIER CONTROL UNIT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN A H CAN A L CAN PER H CAN PER L DRIVETRAIN CONTROL UNIT (RIGHT FRONT FOOTWELL) ENGINE SOUND CONTROL UNIT FLEX-E BM FLEX-E BP FUEL PUMP CONTROL UNIT (UNDER RIGHT REAR SEAT) FULLY INTEGRATED TRANSMISSION CONTROL ELECTRIC CONTROLLER UNIT GRN WIRE GRN/WHT WIRE ME-SFI (ME) CONTROL UNIT (LEFT TOP OF ENGINE) PNK WIRE SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEM MIDLINE AMPLIFIER CONTROL UNIT

ADVANCED SOUND SYSTEM AMPLIFIER CONTROL UNIT BLU/BLK WIRE HEAD UNIT MOST NCA WIRE SOUND SYSTEM AMPLIFIER CONTROL UNIT SOUND SYSTEM MIDLINE AMPLIFIER CONTROL UNIT TV TUNER CONTROL UNIT W/ ADVANCED SOUND SYSTEM W/O ADVANCED SOUND SYSTEM W/O TV TUNER WAKE-UP

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

AUDIO H AUDIO L+ BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/WHT WIRE COMAND ACTUATION CIRCUIT FUSE 475 GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES LEFT FRONT ACTIVE ENGINE NOISE COMPENSATION MICROPHONE LEFT FRONT DOOR MIDRANGE SPEAKER LEFT FRONT DOOR TWEETER LEFT FRONT FOOTWELL WOOFER LEFT REAR DOOR MIDRANGE SPEAKER LEFT REAR DOOR TWEETER LEFT REAR SURROUND SOUND SYSTEM MIDRANGE SPEAKER MIC H MIC-L MOST MOST DATA BUS CIRCUIT MUTE NCA WIRE PNK WIRE PNK/BLK WIRE REAR FUSE, RELAY MODULE RED WIRE RIGHT FRONT ACTIVE ENGINE NOISE COMPENSATION MICROPHONE SHIELD SOUND SYSTEM AMPLIFIER CONTROL UNIT VIO WIRE VIO/BLK WIRE WAKEUP WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE