Mercedes-Benz AMG GT 53 4MATIC+ 2019 Operator's Manual page 489

Warning/indicator lamp
Tire pressure monitoring
system warning lamp
flashes
Possible causes/consequences and
& WARNING There is a risk of an accident if the tire pressure monitoring system is malfunctioning
If the tire pressure monitoring system is malfunctioning, it is not able to issue a warning if there is pressure loss in
one or more of the tires.
Underinflated tires may, for example, impair the driving, steering and braking characteristics.
Have the tire pressure monitoring system checked at a qualified specialist workshop.
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Visit a qualified specialist workshop.
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Display messages and warning/indicator lamps 487
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