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:
Treble, bass, balance, andfader
► "Treble": treble adjustment.
► "Bass": depth adjustment.
► "Balance": left/right volume distribution.
► "Fader": front/rear volume ...
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 ...
Run-flat tires
Label
RSC label on the tire sidewall.
The wheels are composed of special rims and
tires that are self-supporting, to a limited degree.
The support of the sidewall allows the tire to remain
...
