See also:

ESP® trailer stabilization
If your vehicle with trailer (vehicle/trailer combination) begins to lurch, you can only stabilize the vehicle/trailer combination by depressing the brake firmly. In this situation, ESP® assist ...

Removing the towing eye
  Loosen the towing eye and unscrew it.   Attach cover 1 to the bumper and press until it engages.   Place the towing eye in the vehicle tool kit. ...

Canceling Parking Guidance
Press the PARKTRONIC button on the dashboard. Parking Guidance is canceled immediately and PARKTRONIC is deactivated. Parking Guidance is canceled automatically if it is no longer possible to ...