Handsfree system microphone, component description - GF82.70-P-4121CW

MODEL 204.0/2 with CODE (523) MB Audio 20 radio Basic telephony

MODEL 204.0/2 with CODE (510) Audio 20 with CD changer Basic telephony

MODEL 204.0/2 with CODE (525) MB Audio 50 APS radio Basic telephony

MODEL 204.0/2 with CODE (511) Audio 50 APS with DVD changer Basic telephony

MODEL 204.0/2 with CODE (527) COMAND APS with single DVD drive (with navigation) Basic telephony

MODEL 204.0/2 with CODE (512) COMAND APS with DVD changer Basic telephony

MODEL 204.0 with CODE (494) USA version Basic telephony

MODEL 204.0/2 with CODE (386) Mobile phone Comfort telephony

MODEL 204.0 with CODE (389) Mobile phone preinstallation with universal interface, USA/Canada Comfort telephony

MODEL 204.0/2 with CODE (498) Japan version

MODEL 204.0 with CODE (359) TELE AID emergency call system

Illustrated on model 204.0

Fig 1: Identifying Voice Control System Microphone (Illustrated On Model 204.0)

Courtesy of MERCEDES-BENZ USA

Location

The 2 microphones of the voice control system microphone are installed at the top of the inside rearview mirror.

Task

The 2 microphones of the voice control system microphone convert sound waves into electrical signals and are used for:

Voice input for making telephone calls using the hands-free system
Voice input for making phone calls for Telematic Alarm Identification on Demand (emergency call system) (TELE AID) emergency call, in vehicles with code (359) TELE AID emergency call system (model 204.0)
Voice control of the telephone, audio, video or navigation system.