PSI (pounds per square inch)

A standard unit of measure for tire pressure.

    See also:

    Brakes
    Important safety notes WARNING   On slippery road surfaces, never downshift in order to obtain braking action. This could result in drive wheel slip and reduced vehicle control. Your ve ...

    Cargo & Towing
    When properly equipped with the optional trailer hitch, the GLK350 is rated to tow up to 3,500 pounds. ...

    Drive sensibly – save fuel
    Observe the following tips to save fuel: The tires should always be inflated to the recommended tire pressure. Remove unnecessary loads. Remove roof racks when they are not needed. Warm ...