See also:

Important safety notes
RACE START is only available in AMG vehicles. RACE START enables optimal acceleration from a standing start. The precondition for this is a suitable high-grip road surface. WARNING RACE ...

Please bear the following in mind
For safety reasons, Mercedes-Benz recommends that you only use Tires and wheels which have been approved by Mercedes-Benz specifically for your vehicle. These tires have been specially a ...

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