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
...
