See also:

Fuel requirements
Use only premium-grade unleaded gasoline. The octane number should be at least 91. Details can be found on the gas pump. The octane number is the average value of the Research Octane Number (RON) ...

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 last ...

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. ...