PSI (pounds per square inch)

A standard unit of measure for tire pressure.

    See also:

    Important safety notes
    If a tire pressure monitor system is installed, the vehicle's wheels have sensors that monitor the tire pressures in all four tires. The tire pressure monitor warns you when the pressure drops in ...

    Additives in gasoline
    One of the major problems with poor quality fuels is the creation of carbon deposits during the combustion process. Mercedes-Benz recommends that you use fuel brands containing additives that prev ...

    Cabin Comfort
    It's hard to believe the cabin design in the S-Class is four years old. It feels contemporary, from its broad instrument shelf, which ps two-thirds of the dashboard, to the seamless row of climate ...