See also:

Activating/deactivating
To activate: press the button. The indicator lamp in the button lights up. To switch off: press the button. The indicator lamp in the button goes out. The cooling with air dehumidificat ...

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. Check the battery in ...

Roadside Assistance
The Mercedes-Benz Roadside Assistance Program offers technical help in the event of a breakdown. Calls to the toll-free Roadside Assistance Hotline are answered by our agents 24 hours a day, 3 ...