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:
Notes on technical data
The data stated here specifically refers to a vehicle with standard equipment.
Consult an authorized Mercedes-Benz Center for the data for all vehicle variants
and trim levels. ...
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