See also:

General information
Portable electronic devices in the vehicle may seriously impair radio reception. ...

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

Roadside Assistance button
– Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistance but ...