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:

    Winter driving
    Important safety notes WARNING   If the vehicle becomes trapped in snow, ensure that snow is kept away from the exhaust pipe and from around the vehicle as long as the engine is running ...

    Opening and closing
    Overhead control panel 1 To raise 2 To open 3 To close/lower The panorama roof with power tilt/sliding panel can only be operated when the roller sunblind is open. - Turn the SmartKey to ...

    Mercedes-Benz M-Class Owners Manual
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