See also:

General notes
WARNING All categories of messages contain important information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes-Be ...

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

Separate USB connection
In addition to the USB connection on the Media Interface, there is another USB connection in the glove box. This connection can also be used to play audio files. Electrical consumption at this ...