See also:

Showing/hiding the menu
This function is not available while the DVD's own menu is being displayed. To show: press the COMAND controller. or Select Menu while the navigation menu is shown and press to confirm. ...

Purity
Assuring the purity of DEF is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system. If DEF is pumped out of the DEF tank, e.g. during repair wo ...

Overview
The on-board computer is activated as soon as you turn the SmartKey to position 1 in the ignition lock. You can control the multifunction display and the settings in the on-board computer using ...