Mercedes-Benz S-Class Cabriolet 2017 Owner's Manual page 243

240 LINGUATRONIC
Voice command
Previous station
Save station
Show station list
Read out station list
Traffic information on
Traffic information off
Radio info on
Radio info off
Overview of media player voice commands
Function
To switch to the previous station
To save a station in the station list
To display the names of all receivable stations
To listen to the names of all receivable stations
To switch the traffic information service on/off
To switch the current station information on/off
Media player voice commands can also be used
when the media player runs in the background.