Mute
Switching audio and video sources on/off
Press the 
button on the
multifunction
steering wheel.
The sound from the respective audio or
video source is switched on or muted.
When the sound is off, the system
displays the 
symbol in the status
line.
When you change the audio or video
source, or adjust the volume, sound
automatically switches on again.
Even if the sound is switched off, you will
still hear traffic and navigation system
announcements.
Switching off Traffic program and navigation announcements completely
Traffic program: press the
button
until the 
message disappears from
the
status bar of the display.
A confirmation tone sounds.
Navigation announcements: during an
announcement, press the button on
the multifunction steering wheel.
Switching Traffic program and navigation announcements on again
Traffic program: press and hold down the
button until the
display appears
in the status bar.
A confirmation tone sounds.
Navigation messages: select the 
symbol in the navigation menu bar and
press 
to confirm.
The navigation announcements are
activated again if you switch COMAND off
and on again or start a new route guidance.
See also:
Service and literature
Your vehicle is covered under the terms of the
warranties printed in the Service and
Warranty Information booklet. Your
authorized Mercedes-Benz Center will
exchange or repair any defective parts
...
Tire characteristics
Tire data is vehicle-specific and may deviate from the data in the example.
This information describes the tire cord and the number of layers in sidewall
1 and under the tread 2. ...
Heavy and light loads
WARNING
Depressing the brake pedal constantly results
in excessive and premature wear to the brake
pads.
It may also cause the brakes to overheat,
seriously impairing their effectiveness. ...