Mercedes-Benz G-Class Owner's Manual page 483

480 Display messages and warning/indicator lamps
Warning/indicator lamp
Possible causes/consequences and
& WARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
Tyres with insufficient tyre pressure may impair the driving characteristics as well as steering and braking.
Have the tyre pressure monitoring system checked at a qualified specialist workshop.
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* The yellow tyre pressure monitoring system warning lamp (pressure loss/malfunction) is lit:
The tyre pressure monitoring system has detected tyre pressure loss in at least one of the tyres.
& WARNING Risk of an accident due to insufficient tyre pressure
The tyres can burst.
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The tyres can wear excessively and/or unevenly.
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The driving characteristics as well as the steering and braking may be greatly impaired.
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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 and the tyres.
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