PSI (pounds per square inch)

A standard unit of measure for tire pressure.

    See also:

    Important safety notes
    WARNING Do not turn off the engine before the vehicle has come to a complete stop. With the engine not running, there is no power assistance for the brake and steering systems. In this case, ...

    Downhill gradients
    On long and steep gradients, you must reduce the load on the brakes by shifting early to a lower gear. This allows you to take advantage of the engine braking effect and helps avoid overheatin ...

    DISTRONIC PLUS displays in the speedometer
    When DISTRONIC PLUS is activated, one or two segments 2 in the set speed range light up. For design reasons, the speed displayed in the speedometer may differ slightly from the speed set fo ...