Most data bus circuit for Mercedes-Benz GLK-class X204 facelift (2012-2015)

BLU/BLK WIRE BRN WIRE DIGITAL AUDIO BROADCASTING CONTROL UNIT FUSE 81 HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED MEDIA INTERFACE CONTROL UNIT MOST IN MOST IN MOST MOST OUT ORG/ WIRE REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED/WHT WIRE SATELLITE DIGITAL AUDIO RADIO (SDAR) CONTROL UNIT SDAR CONTROL UNIT/HIGH DEFINITION TUNER SOUND SYSTEM AMPLIFIER CONTROL UNIT WAKE-UP