See also:

Using the rear center seat belt
If the left-hand rear seat backrest is folded down and back up again, the rear center seat belt may lock. The seat belt can then not be pulled out. To release the rear center seat belt: pull out ...

Making adjustments in 5 mph (Canada:10 km/h) increments
► Briefly press the cruise control lever beyond the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...

Deactivating DISTRONIC PLUS
There are several ways to deactivate DISTRONIC PLUS: Briefly press the cruise control lever forwards 1. or Brake, unless the vehicle is stationary. When you deactivate DISTRONIC PLUS, the ...