See also:

Restoring the factory settings
Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

Displaying the range and current fuel consumption
Press the or button on the steering wheel to select the Trip menu. Press the or to select the current fuel consumption and the approximate range. The approximate range that can be ...

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 ...