See also:

Accepting a call
If someone calls you when you are in the Tel menu, a display message appears in the multifunction display, for example: Press the button on the steering wheel to accept an incoming call. ...

Transfer case
The vehicle has permanent 4-wheel drive (4MATIC). Power is always transmitted to both axles. Performance tests may only be carried out on a 2-axle dynamometer. The brake system or transfer ca ...

Gasoline
Fuel grade You should only refuel with unleaded premium-grade gasoline as this avoids damaging the catalytic converter. If engine running problems are apparent, have the cause checked immediat ...