WARNING
Keep in mind that it may take a brief moment until the vehicle has made the necessary adjustments.
Increase or decrease the set vehicle speed to a value that the prevailing road conditions and legal speed limits permit. Otherwise, sudden and unexpected acceleration or deceleration of the vehicle could cause an accident and/or serious injury to you and others.

– Press the cruise control lever up 2 for a higher speed or down 3 for a lower speed.
– Keep the cruise control lever pressed until the desired speed is reached.
– Release the cruise control lever.
The new speed is stored. DISTRONIC PLUS is activated and adjusts the vehicle's speed to the new speed stored.
– Making adjustments in 1 mph increments (1 km/h increments): briefly press the cruise control lever to the pressure point.
The last stored speed increases or decreases in 1 mph increments (in Canada:

1 km/h increments).
– Making adjustments in 5 mph increments (10 km/h increments):
briefly press the cruise control lever beyond the pressure point.
The last stored speed increases or decreases in 5 mph increments (10 km/h increments).