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 temperatures below 12 °F (–11 °C).

    See also:

    Operating audio player or audio media
    Audio data from various audio devices or media can be played, depending on the equipment installed in the vehicle. – Switch on COMAND and select the audio device or medium (see the separate o ...

    Unlocking the driver's door (mechanical key)
    If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be trigg ...

    Fogged up or dirty windshield
    If the windshield in front of the camera is fogged up or dirty on the inside or outside, the Night View Assist Plus display is affected. WARNING Please do not forget that your primary resp ...