Reception and transmission volume
Once the mobile phone has been authorized,
you can optimize the transmission and
reception volume settings. Find information
on the optimal setting for your mobile phone
on the Internet at
http://www.mbusa-mobile.com. Or call
the Mercedes-Benz Customer Assistance
Center on
1-800-FOR-MERCedes(1-800-367-6372) (for
Incorrect settings may have a significant
impact on the quality of calls.
Press the 
function button.
Select Data/Connections in the
telephone basic menu by sliding 
and
turning 
the COMAND controller and
press 
to confirm.
Select Bluetooth Telephones and press
to confirm.
Select an authorized mobile phone from
the list by turning .
Select Options by sliding 
and press
to confirm.
Select Reception Volume or
Transmission Volume and press
to
confirm.
To set the volume on scale: select by
sliding 
the COMAND controller and
press to confirm.
See also:
Emergency Tensioning Devices, belt force limiters
The front seat belts and the outer seat belts in the rear are equipped with ETDs
and seat belt force limiters.
The ETDs tighten the seat belts in an accident, pulling them close against the
body. ...
Activating/deactivating airrecirculation
mode
You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle
from outside. The air already inside the
vehicle will then be recirculated.
WARNING
Fogged windows impai ...
Telescopic rod
The telescopic rod can be used to secure the
load against the rear seats to prevent it from
moving around.
– To install: insert one bracket 2 into both
the left and the right loading rails ...