Mercedes-Benz GLE Coupe 2023 Operator's Manual page 477

Warning/indicator lamp Possible causes/consequences and
& WARNING There is a risk of an accident if the tire pressure monitoring system is malfunctioning
* The yellow tire pressure monitoring system warning lamp (pressure loss/malfunction) is lit.
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The tire pressure monitoring system has detected tire pressure loss in at least one of the tires.
& WARNING Risk of an accident due to insufficient tire pressure
Tire pressure monitoring
system warning lamp lights
up
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Solutions
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The tire pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tires.
Tires with insufficient tire pressure may impair the driving characteristics as well as steering and braking.
Have the tire pressure monitoring system checked at a qualified specialist workshop.
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The tires can burst.
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The tires 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 tire pressures.
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Adjust the tire pressure if necessary.
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Stop the vehicle in accordance with the traffic conditions.
Check the tire pressure and the tires.
Display messages and warning/indicator lamps 475