See also:

Installing the ball coupling
WARNING If the vehicle/trailer combination is not secured, the trailer may come loose. As a result, you could cause an accident. Observe the ball coupling manufacturer's installation inst ...

SmartKey battery
Important safety notes It is advisable to have batteries replaced at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center. WARNING   Batteries contain toxic and c ...

Moving the map
Showing the crosshair To hide the menu: slide the COMAND controller and, when the Full screen menu item is shown, press . To move the map: slide , or the COMAND controller. A crosshai ...