Volume
► "Speed volume": speed-dependent volume
control.
► "PDC": volume of the PDC signal compared
to the entertainment sound output.
► "Gong": volume of the signal, e. g., the safety
belt reminder, compared to the entertainment
sound output.
► "Microphone": volume of the microphone
during a phone call.
► "Loudspeak.": volume of the loudspeakers
during a phone call.
The following volumes are only stored for the
respective paired telephone: "Microphone",
"Loudspeak.".
Adjusting the volume
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Volume settings"
4. Select the desired volume setting.

5. To adjust: turn the controller.
6. To store: press the controller.
See also:
Using voice activation
Activating the voice activation system
1. Press the button on the
steering
wheel.
2. Wait for the signal.
3. Say the command.
The command is displayed in the instrument
cluster.
This symb ...
Updating the navigation data
General information
Navigation data are stored in the vehicle and can
be updated.
Current navigation data and the authorization
code are available from your service center.
▷ Depending on ...
After refilling diesel exhaust fluid
Incorrect fluid
Incorrect fluids
After refilling with the incorrect fluid, e.g.,
antifreeze for windshield wiper fluid, do not start
the engine because this could result in a fire
hazard. ...
