Switching the microphone to mute
When a call is active, the microphone can be muted.
1. "Telephone".
2. "Active calls".
3. 
"Microphone mute"
A microphone that has been switched to mute is automatically reactivated:
▷ When a new connection is established.
▷ When switching between call parties.
See also:
Fuel quality
Fuels that are marked on the gas pump as containing
metal must not be used.
Refuel only with unleaded gasoline without
metallic additives.
Do not refuel with any leaded gasoline or gasoline
with ...
Updating the navigation data
General information
Navigation data are stored in the vehicle and can
be updated.
Navigation data and authorization codes are
available from your service center.
▷ Depending on the data v ...
Speed limit
Entry of a speed limit which, when reached,
should cause a Check Control message to be
issued.
Renewed warning if the vehicle speed drops below
the set speed limit once by at least 3 mph/
5 k ...