Mercedes-Benz C-Class Wagon Owner's Manual page 530

Display messages
Tyre press. monitor inoper-
ative No wheel sensors
h
Wheel sensor(s) missing
h
Check tyre(s)
Possible causes/consequences and
& WARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the
tyres.
Tyres with insufficient tyre pressure may impair the driving characteristics as well as steering and braking.
Have the tyre pressure monitoring system checked at a qualified specialist workshop.
#
* The wheels fitted do not have suitable tyre pressure sensors. The tyre pressure monitoring system is deactivated.
Fit wheels with suitable tyre pressure sensors.
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* There is no signal from the tyre pressure sensor of one or more wheels. No pressure value is displayed for the
affected tyre.
Have the faulty tyre pressure sensor replaced at a qualified specialist workshop.
#
* The tyre pressure in one or more tyres has dropped significantly.
The wheel position is displayed. A warning tone also sounds.
& WARNING Risk of an accident due to insufficient tyre pressure
The tyres can burst.
R
The tyres can wear excessively and/or unevenly.
R
Display messages and warning/indicator lamps 527
M M Solutions