Sound amplifier circuit, w/o high end sound system & w/ premium end sound system for Mercedes-Benz GLS-class X167 (2019-2023)

AUDIO BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 475 GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HERMES CONTROL UNIT HOT W/ BATTERY DISCONNECT SWITCH RELAY ENERGIZED LEFT FRONT ACTIVE ENGINE NOISE COMPENSATION MICROPHONE LEFT REAR ACTIVE ENGINE NOISE COMPENSATION MICROPHONE LEFT REAR DOOR SURROUND SOUND SYSTEM TWEETER LEFT REAR MIDRANGE SPEAKER (PREMIUM) MIC - MOST MUTE NCA WIRE PNK/BLK WIRE PNK/WHT WIRE REAR FUSE, RELAY MODULE REAR SUBWOOFER RED WIRE RIGHT FRONT ACTIVE ENGINE NOISE COMPENSATION MICROPHONE RIGHT REAR ACTIVE ENGINE NOISE COMPENSATION MICROPHONE RIGHT REAR DOOR SURROUND SOUND SYSTEM MIDRANGE SPEAKER RIGHT REAR TWEETER (PREMIUM) SHD SOUND SYSTEM AMPLIFIER CONTROL UNIT VIO WIRE VIO/WHT WIRE WHT WIRE YEL/BLU WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE CENTER FRONT MIDRANGE SPEAKER (PREMIUM) EMOST GRY WIRE GRY/WHT WIRE HEAD UNIT LEFT A-PILLAR SURROUND SOUND SYSTEM TWEETER LEFT C-PILLAR SURROUND SOUND SYSTEM MIDRANGE SPEAKER LEFT FRONT BASS SPEAKER LEFT FRONT DOOR SURROUND SOUND SYSTEM MIDRANGE SPEAKER NCA WIRE PNK/WHT WIRE RIGHT A-PILLAR SURROUND SOUND SYSTEM TWEETER RIGHT C-PILLAR SURROUND SOUND SYSTEM MIDRANGE SPEAKER RIGHT FRONT BASS SPEAKER RIGHT FRONT DOOR SURROUND SOUND SYSTEM MIDRANGE SPEAKER VIO WIRE VIO/WHT WIRE YEL/BLU WIRE