See also:

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 inter ...

Activating/deactivating airrecirculation mode
You can deactivate the flow of fresh air if unpleasant odors are entering the vehicle from outside. The air already inside the vehicle will then be recirculated. The operation of air-recirculat ...

2008 Mercedes-Benz M-Class Review
Until a 2008 M-Class was assigned to me for this review, I had kind of forgotten that Mercedes redesigned this luxury SUV two years ago. Sure, I knew about the update when it was first announced, ...