Mercedes-Benz GLC 300, Operator'S Manual

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