Mercedes-Benz C-Class Convertible 2021 Operator's Manual page 463

Warning/indicator lamp Possible causes/consequences and
The yellow tire pressure monitoring system warning lamp (pressure loss/malfunction) is lit:
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
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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 461
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