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Operation
Tires and wheels
Warning!
The Run Flat Indicator does not provide a
warning for wrongly selected tire inflation
pressures. Always adjust tire inflation pres-
sure according to the placard on the driver's
door B-pillar or fuel filler flap.
The Run Flat Indicator does not replace reg-
ular checks of the tire inflation pressures
since a gradual pressure loss in all four tires
cannot be detected by the Run Flat
Indicator.
The Run Flat Indicator is not able to issue a
warning due to a sudden dramatic loss of
tire inflation pressure (e.g. tire blowout
caused by a foreign object). In this case
bring the vehicle to a halt by carefully apply-
ing the brakes and avoiding abrupt steering
maneuvers.
516
Reactivating the Run Flat Indicator
G
The tire inflation pressure monitor must be
reactivated in the following situations:
If you have changed the tire inflation
pressure
If you have replaced the wheels or tires
If you have installed new wheels or
tires
Using the tire placard on the driver's
door B-pillar ( page 503) or, if avail-
able, the inside of the fuel filler flap
( page 489), make sure the tire infla-
tion pressure of all four tires is correct.
Warning!
The Run Flat Indicator can only warn you in
a reliable manner if you have set the correct
tire inflation pressures for each tire.
If an incorrect tire inflation pressure was
set, the system will monitor the pressure ac-
cording to the incorrect value.
i
The menu overview can be found on
( page 243).
Switch on the ignition ( page 315).
Press ( or & to select the menu
"Service".
Press $ or % to select "Tire
pressure".
Press #.
The message
Run Flat Indicator
active
Reactivation possible: OK
appears in the multifunction display.
G
Press #.
The message
Tire pressure
now OK?
appears in the multifunction display.
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