See also:

Cleaning the headliner and carpets
– Headliner: use a soft brush or a cleaning agent recommended and approved by Mercedes-Benz to remove heavy soiling. – Carpets: use the carpet and textile cleaning agents recommended and appr ...

Treadwear indicators
Narrow bars (tread wear bars) that are distributed over the tire tread. If the tire tread is level with the bars, the wear limit of 1/16 in (1.6 mm) has been reached. ...

Immobilizer
The immobilizer prevents your vehicle from being started without the correct SmartKey. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be starte ...