See also:

Important safety notes
WARNING On slippery road surfaces, never downshift in order to obtain braking action. This could result in drive wheel slip and reduced vehicle control. Your vehicle's ABS will not prevent t ...

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 ...