Activating and starting the speed limiter
The speed limiter function (Speed Limiter - SL) must first be selected and activated in order to be able to regulate the speed.
Activate the speed limiter
NOTE: The illustration is schematic - details may vary depending on car model.
Press ◀ (1) or ▶ (3) to browse to the symbol/function 
(4).
(4).The symbol is shown and the speed limiter can then be activated.
Start the speed limiter
The lowest maximum speed that can be stored is 30 km/h (20 mph).
With the symbol/function displayed, press the steering wheel button 
(2).
displayed, press the steering wheel button (2).The speed limiter starts and the current speed is stored as the maximum speed.