SmartKey battery

See also:

Proper use
WARNING There are various warning stickers affixed to your vehicle. Their purpose is to alert you and others to various dangers. Therefore, do not remove any warning stickers unless the stic ...

SmartKey
Display messages Key Does Not Belong to Vehicle Possible causes/consequences and ► Solutions You have put the wrong SmartKey in the ignition lock. ► Use the correct SmartKey. Disp ...

BAS PLUS (Brake Assist System Plus)
BAS PLUS is only available in vehicles equipped with DISTRONIC PLUS. Observe the "Important safety notes" section. At speeds above approximately 4 mph (7 km/h), BAS PLUS assists you ...