Overview of the fingerprint sensor
Fingerprint sensor 
allows you to conveniently access protected MBUX multimedia system functions and services. Compared to protection provided by the Mercedes me PIN, the entry of a four-digit number is not required to activate services and functions with personal content.
The fingerprint sensor must be set up before use More.
The fingerprint sensor stores only a data model and no image of the fingerprint. The data model is only processed in the vehicle and is not transmitted from the vehicle.