See also:

General notes
The Active Driving Assistance package consists of DISTRONIC PLUS, Active Blind Spot Assist and Active Lane Keeping Assist. ...

DEF
Important safety notes For BlueTEC vehicles only. DEF is a non-flammable, non-toxic, colorless, odorless and water-soluble fluid. Only use DEF that complies with ISO 22241. Do not add any ...

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