See also:

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. ...

Cruise control lever
Cruise control lever 1 To store the current speed or a higher speed 2 To store the current speed or a lower speed 3 To deactivate DISTRONIC PLUS 4 To store the current speed or to call up the la ...

Information on differential anddifferential locks
When the vehicle drives around a corner, the wheels on the outside of the bend must cover a greater distance and must therefore turn more rapidly than the wheels on the inside. The differential, ...