Mechanical key

See also:

Showing the distance display
This function is only available with DISTRONIC PLUS. – Press the or button on the steering wheel to select the DriveAssist menu. – Press the or button to select Distance Display. – Pr ...

Making adjustments in 5 mph (Canada: 10 km/h) increments
Briefly press the cruise control lever beyond the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...

Brake fluid
WARNING Over a period of time, the brake fluid absorbs moisture from the air; this lowers its boiling point. If the boiling point of the brake fluid is too low, vapor pockets may form in the ...