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391
Practical hints
What to do if …
Display symbol Display messages Possible cause Possible solution
H
Reactivate
tire pres. monitor
after corr. pres.
There was a tire pressure warning mes-
sage.
The yellow warning lamp for the tire pres-
sure monitoring system* comes on and
you have not reactivated the system
since the last tire pressure warning mes-
sage.
̈ Reactivate the tire pressure monitoring
system* after correcting the tire pressure
values (
page 320).
Tire pres. monitor
deactivated
Drive to workshop
The tire inflation pressure monitor is mal-
functioning.
A wheel without proper sensor was in-
stalled.
̈ Have the tire inflation pressure monitor
checked by an authorized Mercedes-Benz
Center.
̈ Change the wheel (page 419).