See also:

Adjusting the sound settings
Calling up the sound menu You can make various sound settings for the different audio and video sources. This means that it is possible to set more bass for radio mode than for audio CD mode, f ...

Cleaning the exterior lighting
  Clean the plastic lenses of the exterior lights with a wet sponge and a mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning cloths. Only use cleaning agents or cleaning ...

Tread wear
The tread wear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified U.S. government course. For example, a tire graded 150 wo ...