Cleaning the trailer tow hitch

The ball coupling must be cleaned if it becomes dirty or corroded. Remove rust on the ball of the ball coupling, e.g. with a wire brush. Remove dirt with a clean, lint-free cloth or a brush. A ...

Cleaning the display

Before cleaning the display, make sure that it is switched off and has cooled down. Clean the display surface using a commercially-available microfiber cloth and TFT/LCD display cleaner. ...

See also:

Under the hood and vehicle
The maintenance items listed here should be checked periodically (for example, each time you check the engine oil or refuel). Battery*: Check the fluid level in each cell. It should be between t ...

Operating video DVD
Switch on COMAND and select video DVD (see the separate operating instructions). Press the or button on the steering wheel to select the Audio menu.v DVD changer display (example) 1 ...

Important Safety Precautions
You’ll find many safety recommendations throughout this section, and throughout this manual. The recommendations on this page are the ones we consider to be the most important. ...