Mercedes-Benz GLB 2023 Operator's Manual page 409

Display messages Possible causes/consequences and
Tire Pressure Monitor Inop- * The wheels installed do not have suitable tire pressure sensors. The tire pressure monitoring system is deactivated.
erative No Wheel Sensors
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* There is no signal from the tire pressure sensor in at least one wheel. No pressure value is displayed for the affected
Wheel Sensor(s) Missing
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* The tire pressure in one or more tires has dropped significantly.
Check Tires
Solutions
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Have the tire pressure monitoring system checked at a qualified specialist workshop.
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Install wheels with suitable tire pressure sensors.
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tire.
Have the faulty tire pressure sensor replaced at a qualified specialist workshop.
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The wheel position is displayed. A warning tone will also sound.
& WARNING Risk of an accident due to insufficient tire pressure
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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Display messages and warning/indicator lamps 407