See also:

Belt height adjustment
You can adjust the seat belt height on the driver's seat and the front-passenger seat. Adjust the height so that the upper part of the seat belt is routed across the center of your shoulder. ...

DISTRONIC PLUS displays in the speedometer
When DISTRONIC PLUS is activated, one or two segments 2 in the set speed range light up. For design reasons, the speed displayed in the speedometer may differ slightly from the speed set ...

Storing the current speed or calling upthe last stored speed
WARNING   The set speed stored in memory should only be set again if prevailing road conditions and legal speed limits permit. Possible acceleration or deceleration differences arising ...