See also:

Call priority
When service calls are active, e.g. Roadside Assistance or MB Info calls, an emergency call can still be initiated. In this case, an emergency call will take priority and override all other ac ...

Refrigerant of the air-conditioning system
The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant. Never use refrigerant R 12 (CFC) or mineral lubricants. Otherwise, you could damage the air-condit ...

Snow chains
For safety reasons, Mercedes-Benz recommends that you only use snow chains which have been specially approved for your vehicle by Mercedes-Benz, or are of a corresponding standard of quality. ...