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:

    2008 Mercedes-Benz S-Class Review
    When a car costs as much as a house, as the Mercedes-Benz S-Class does, it makes you take a step back. Can a car this expensive really be worth it? After spending a week with an S550, I can tell y ...

    Driving on sand
    WARNING Do not reduce the tire inflation pressure before driving through sand. However, if you do so, remember to correct the tire inflation pressure before continuing your trip. Driving wit ...

    Important safety notes
    The EASY-ENTRY/EXIT feature makes getting in and out of your vehicle easier. You can activate and deactivate the EASYENTRY/ EXIT feature in the on-board computer. WARNING   You must ...