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:

    Purity
    Assuring the purity of DEF is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system. If DEF is pumped out of the DEF tank, e.g. during repair wo ...

    High-Tech Features
    Optional high-end gadgets include Night View Assist, which can "see" almost 500 feet ahead of the car and display the view in the instrument panel. Equally interesting is the available D ...

    Route guidance inactive
    Direction of travel Current road ...