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:

    Switching the ZONE function on/off
    •►  To switch on: press the button. The indicator lamp above the button lights up. Dual-zone automatic climate control: the temperature setting for the driver's side is not adopt ...

    Problems with the seat ventilation
    The seat ventilation has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. - Switch ...

    Low outside temperatures
    DEF freezes at a temperature of approximately 12 °F (–11 °C). The vehicle is equipped with a DEF preheating system when it leaves the factory. Winter operation is therefore also guaranteed at ...