PSI (pounds per square inch)

A standard unit of measure for tire pressure.

    See also:

    Mounting a new wheel
    WARNING Always replace wheel bolts that are damaged or rusted. Never apply oil or grease to wheel bolts. Damaged wheel hub threads should be repaired immediately. Do not continue to dri ...

    Switching the rear-compartment climate control on/off using the front control panel
    Turn the SmartKey to position 2 in the ignition lock. Activate the rear compartment function via COMAND. The rear-compartment climate control can be controlled via the front control panel ...

    Low-beam headlamps (halogen headlamps)
    Due to their location, have the bulbs in the left-hand headlamp changed at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. •► Switch off the lights. •► ...