See also:

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 ...

Restoring the factory settings
Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

Showing the map data version
To show the menu: press the COMAND controller. Select Navi in the main function bar by sliding and turning the COMAND controller and press to confirm. Select Map Version and press ...