PSI (pounds per square inch)

A standard unit of measure for tire pressure.

    See also:

    Cleaning the wheels
    Do not use acidic wheel cleaning products to remove brake dust. This could damage wheel bolts and brake components. Do not park the vehicle for an extended period straight after cleaning it, ...

    DISTRONIC PLUS displays in the multifunction display
    General notes You can select the distance display in the Assistance menu  of the onboard computer. Display when DISTRONIC PLUS is deactivated •► Select the Distance Display functio ...

    Body testing facility: the M-Class on the road simulator
    A totally dependable body and chassis systems that can cope with high levels of strain under even the most demanding conditions over hundreds of thousands of kilometres are particularly indispensa ...