There is an Internet connection.
A Mercedes me user account exists at Mercedes me.
An individual user profile is active More.
If both system PINs match, then the system PIN protection is active.
If the system PIN has been entered incorrectly three times, the system PIN will be blocked. You can have a single-use password sent to you via the Mercedes me connect online portal to reset the system PIN protection.
System PIN protection is reset, and you can set a new system PIN.