Tire pressure monitor warning messages

If the tire pressure monitor detects a significant pressure loss on one or more tires, a warning message is shown in the multifunction display. A warning tone also sounds and the tire pressure warning lamp lights up in the instrument cluster.
Each tire that is affected by a significant loss of pressure is highlighted with a color.
If the Correct Tire Pressure message appears in the multifunction display:
and correct it if necessary.  Check the tire pressure on all four wheels and correct it if necessary.

vehicle are If the wheel positions on the vehicle are interchanged, the tire pressures may be displayed for the wrong positions for a short time. This is rectified after a few minutes of driving, and the tire pressures are displayed for the correct positions.

    See also:

    Maximum permissible tire pressure
    Maximum permissible tire pressure for one tire. ...

    Warranty
    The Service and Warranty Information booklet contains detailed information about the warranties covering your vehicle. Your authorized Mercedes-Benz Center will exchange or repair any defective ...

    Tire pressure of cold tires
    The tires are cold: • if the vehicle has been parked without direct sunlight on the tires for at least three hours and • if the vehicle has not been driven more than 1 mile (1.6 km). ...