Voice activation circuit for Mercedes-Benz R-class W251 facelift (2007-2010)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MIC OUT 1 2 MOST IN MOST OUT BRN WIRE CIRCUIT 31 LEFT REAR SEAT VOLTAGE DISTRIBUTOR CONNECTOR 2 EMERGENCY CALL SYSTEM CONTROL UNIT (IN LEFT REAR FOOTWELL) GRN WIRE HANDS-FREE SYSTEM MICROPHONE GROUP MIC GND MIC OUT + NCA WIRE ORG/ WIRE PNK MIC 1 MIC 3 WIRE PNK WIRE RED/BLK WIRE SOUND SYSTEMS VOICE CONTROL SYSTEM (VCS (SBS)) CONTROL UNIT WAKE UP 31