Driving systems

Problem Possible causes/consequences and Solutions
distance

The red distance warning lamp lights up while the vehicle is in motion. A warning tone also sounds.

The warning is issued if you approach a stationary vehicle or a Risk of accident

The warning is issued if you approach a stationary vehicle or a vehicle driving ahead of you at too high a speed.
immediately. Be prepared to brake immediately.
the traffic situation. You may have to Pay careful attention to the traffic situation. You may have to brake or take evasive action.
More information about DISTRONIC PLUS and PRE-SAFE® Brake

    See also:

    General notes
    If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. •► Check the bat ...

    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 test course. For example, a tire graded 1 ...

    Important safety notes
    WARNING Air bags are designed to reduce the incidence of injuries and fatalities in certain situations: - frontal impacts (driver's and frontpassenger front air bags and driver's knee bag) ...