Multimedia interface circuit for Mercedes-Benz GLK-class X204 facelift (2012-2015)

AUDIO IN GND AUDIO IN R AUDIO IN SH AUDIO-IN L BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CABLE DET COMAND CONTROL UNIT FUSE 81 GRN WIRE GRY/BLU WIRE HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED MEDIA INTERFACE CONTROL UNIT MEDIA INTERFACE ELECTRICAL CONNECTOR MOST DATA BUS CIRCUIT MOST IN MOST OUT MOST NCA WIRE ORG/ WIRE OUT REAR SAM CONTROL UNIT W/ FUSE, RELAY MODULE RED WIRE RED/WHT WIRE USB USB GND VID VIO/BLU WIRE WAKE-UP WHT WIRE YEL WIRE YEL/BLU WIRE