See also:

Only refill the diesel exhaust fluid yourself in exceptional circumstances
To be able to reach the nearest service center with your vehicle, you may refill the diesel exhaust fluid yourself, making sure to heed the warning notices specified below. Handling diesel ex ...

Service history
Perform maintenance work at the service center and have them recorded in the vehicle data. The entries are like a service booklet of the documentation of regular maintenance. Displaying entered ...

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...