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:

    Hill start assist
    Hill start assist helps you when pulling away forwards or in reverse on an uphill gradient. It holds the vehicle for a short time after you have removed your foot from the brake pedal. This gives ...

    Numerous stowage facilities, high degree of variability and temperature-controlled cup holder
    Numerous, easily accessible stowage facilities in the M-Class can accommodate bottles, mugs, keys, coins and much more. Each of the four doors can also easily accommodate a large 1-litre bottle. ...

    Parking the vehicle for a long period
    If you leave the vehicle parked for longer than four weeks, the battery may be damaged by exhaustive discharge. ► Connect a trickle charger. You can obtain information about trickle ch ...