See also:

Removing the ball coupling
Observe the manufacturer's installation instructions. Press the protective cap into the ball coupling recess. Make sure that the protective cap is firmly in place. ...

PRE-SAFE® Brake
PRE-SAFE® Brake is only available in vehicles with DISTRONIC PLUS. Observe the "Important safety notes" section. PRE-SAFE® Brake can help you to minimize the risk of a frontal col ...

Folding the rear seat backrest back
: Backrest ; Lock verification indicator = Backrest release handle Move the driver's or front-passenger seat forward if necessary. Make sure that the seat belt does not become ...