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:
Drive sensibly – save fuel
Observe the following tips to save fuel:
The tires should always be inflated
to the recommended tire pressure.
Remove unnecessary loads.
Remove roof racks when they are not
needed.
Warm up ...
4MATIC (permanent four-wheel drive)
4MATIC ensures that all four wheels are
permanently driven. Together with ESP®, it
improves the traction of your vehicle
whenever a drive wheel spins due to
insufficient grip.
WARNING
If a ...
Immobilizer
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can be starte ...