You have a Mercedes me user account.
The vehicle is connected with your Mercedes me user account.
The personalisation service is activated on Mercedes me connect.
You can configure the vehicle settings using the Mercedes me app.
The profile on Mercedes me connect and the profile in the vehicle are aligned (profile management).
The profiles in the vehicle are automatically synchronised with the profiles on Mercedes me connect when the ignition is switched on and off.
After selecting this option, the profiles in the vehicle are synchronised with the profiles on Mercedes me connect.
During synchronisation the profile list and the profile functions are blocked.
Note on data protection: if you do not wish to share your data with Mercedes me, make sure that the automatic synchronisation is switched off and do not select Synchronise profiles now.