Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 569

Display messages
Tyre press. monitor inoper-
ative No wheel sensors
h
Wheel sensor(s) missing
h
Check tyre(s)
Possible causes/consequences and
* The wheels fitted do not have suitable tyre pressure sensors. The tyre pressure monitoring system is deactivated.
Fit wheels with suitable tyre pressure sensors.
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* There is no signal from the tyre pressure sensor of one or more wheels. No pressure value is displayed for the affected
tyre.
Have the faulty tyre pressure sensor replaced at a qualified specialist workshop.
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* The tyre pressure in one or more tyres has dropped significantly.
The wheel position is displayed. A warning tone also sounds.
& WARNING Risk of an accident due to insufficient tyre pressure
The tyres can burst.
R
The tyres can wear excessively and/or unevenly.
R
The driving characteristics as well as the steering and braking may be greatly impaired.
R
You could then lose control of the vehicle.
Observe the recommended tyre pressures.
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Adjust the tyre pressure if necessary.
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Stop the vehicle in accordance with the traffic conditions.
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Check the tyre pressure (
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Solutions
M
page 396) and the tyres.
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P223 0288 02
Display messages and warning/indicator lamps 567