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 ...

Tire size designation, load-bearing capacity and speed rating
Tire width Nominal aspect ratio in % Tire code im diameter Load bearing index Speed rating Tire data is vehicle-specific and may deviate from the data in the example. General: de ...

Problems with your vehicle
If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to ...