PSI (pounds per square inch)

A standard unit of measure for tire pressure.

    See also:

    Notes on selecting, mounting and replacing tires
    - Only mount tires and wheels of the same type and make. - Only mount tires of the correct size onto the wheels. - After mounting new tires, run them in at moderate speeds for the first 60 mil ...

    The M-Class also protects its occupants after a crash
    As part of the POST-SAFE® functions, the new M-Class can activate a variety of systems which can contribute towards avoiding post-accident risks. After a more serious crash, the hazard warning lig ...

    SRS warning lamps
    SRS functions are checked regularly when you switch on the ignition and when the engine is running. Therefore, malfunctions can be detected in good time. The SRS warning lamp in the instrumen ...