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-B ...

Important safety notes
WARNING Severe conditions (e.g. strong air pollution) may require replacement of the filter before its scheduled replacement interval. A clogged filter will reduce the air volume to the interi ...

Headlamps fogged up on the inside
The headlamps may fog up on the inside if there is high atmospheric humidity. Drive with the headlamps switched on. The level of moisture diminishes, depending on the length of the journey and ...