Driving systems

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

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.

•► Be prepared to brake immediately.

•► 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:

    Override feature for the rear sidewindows
    WARNING   When children ride on the vehicle's rear seats, activate the override switch. Otherwise, the children could be injured, e.g. by trapping themselves in the rear side window. ...

    Restoring the factory settings
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    System self-test
    The indicator lamp illuminates when you: • turn the SmartKey to position 1 or 2 in the ignition lock • Rpress the KEYLESS-GO Start/Stop button once or twice If an adult occupant is properly s ...