Mercedes-Benz CLS Owner's Manual page 407

404 Display messages and warning/indicator lamps
Tyre pressure monitor
Display messages
Tyre press. monitor cur-
rently unavailable
Tyre press. monitor inoper-
ative
Tyre press. monitor inoper-
ative No wheel sensors
h
Wheel sensor(s) missing
Possible causes/consequences and
* There is interference from a powerful radio signal source As a result, no signals from the tyre pressure sensors are
being received. The tyre pressure monitoring system is temporarily unavailable.
The tyre pressure monitoring system will restart automatically as soon as the cause has been rectified.
Drive on.
#
* The tyre pressure monitoring system is malfunctioning.
& 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.
#
* 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.
#
M M Solutions