See also:

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 ...

Please bear the following in mind
The engine oils are matched to the performance of Mercedes-Benz engines and service intervals. You should therefore only use engine oils and oil filters that are approved for vehicles with mainten ...

Problems with the transmission
Problem Possible causes/consequences and Solutions The transmission has problems shifting gear. The transmission is losing oil. - Have the transmission checked at a qualif ...