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:
Vehicle remote closing
If you forget to lock your vehicle but are no
longer in the vicinity of the vehicle, it can be
locked for you by the Mercedes-Benz
Customer Assistance Center.
The vehicle can be locked remotely ...
Snow chains
For safety reasons, Mercedes-Benz recommends that you only use snow chains which
have been specially approved for your vehicle by Mercedes-Benz, or are of a corresponding
standard of quality.
...
Cleaning the steering wheel and gear or
selector lever
– Thoroughly wipe with a damp cloth or use
leather care agents that have been
recommended and approved by Mercedes-
Benz. ...