See also:

Checking tire pressure manually
To determine and set the correct tire pressure, proceed as follows:   Remove the valve cap of the tire that is to be checked.   Press the tire pressure gauge securely onto the valve. ...

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

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 bat ...