Low outside temperatures
DEF freezes at a temperature of approximately 12 °F (–11 °C). The vehicle is equipped with a DEF preheating system when it leaves the factory. Winter operation is therefore also guaranteed at temperatures below 12 °F (–11 °C).
See also:
Window curtain air bags
The window curtain air bags enhance the level
of protection for the head, but not chest or
arms, of the vehicle occupants on the side of
the vehicle on which the impact occurs.
The window curta ...
De-registering (de-authorizing) a mobile
phone
Mercedes-Benz USA, LLC recommends deauthorizating
in both COMAND and the
mobile phone. Subsequent authorization may
otherwise fail.
To call up the telephone menu: press the
function button ...
Position of the steering wheel fordriving
The steering wheel is moved to the last
selected position when:
• the driver's door is closed.
• you insert the SmartKey into the ignition
lock.
or
• you press the Start/Stop button once on
veh ...