Mercedes-Benz ML350 Operator's Manual page 354

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If a condition causing the TPMS to mal-
function develops, it may take up to
10 minutes for the system to signal a
malfunction using the TPMS telltale
flashing and illumination sequence.
The telltale extinguishes after a few
minutes driving if the malfunction has
been corrected.
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Operating radio transmission equip-
ment (e.g. wireless headsets, two-way
radios) in or near the vehicle could
cause the TPMS to malfunction.
Reactivating Advanced TPMS*
The TPMS must be reactivated when you
have adjusted the tire inflation pressure to
a new level (e.g. because of different load
or driving conditions). The TPMS is then
recalibrated to the current tire inflation
pressures.
Using the tire placard on the driver's
door B-pillar ( page 339) or, if avail-
able, the supplemental tire pressure
information on the inside of the fuel fill-
er flap ( page 346), make sure the tire
inflation pressure of all four tires is cor-
rect.
Operation
Tires and wheels
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Reactivate the TPMS after adjusting
the tire inflation pressure to the infla-
tion pressure recommended for the
vehicle operating condition. Tire pres-
sure should only be adjusted on cold
tires. Observe the recommended tire
inflation pressure on the placard on the
driver's door B-pillar ( page 339).
Some vehicles may have supplemental
tire pressure information for driving at
high speeds ( page 346) or for vehicle
loads less than the maximum loaded
vehicle condition ( page 346). If such
information is provided, it can be found
on the inside of the fuel filler flap.
Press button è or ÿ on the mul-
tifunction steering wheel repeatedly
until the standard display menu ap-
pears in the multifunction display
( page 156).
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