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Practical hints
Flat tire
Version 2
a Deflate button
b Pressure gauge
̈ If the tire inflation pressure is at least
20 psi (1.3 bar), inflate or deflate the
tire to correct tire inflation pressure
(see Tire and Loading Information plac-
ard on the driver’s door B-pillar):
̈ To increase tire inflation pressure:
Switch on the electric air pump.
̈ To decrease tire inflation pressure
(version 1): Open vent screw a
on pressure gauge b
(
୴ page 455).
̈ To decrease tire inflation pressure
(version 2): Press yellow deflate
button a located in air pump hous-
ing next to pressure gauge b.
Warning! G
If tire inflation pressure has fallen below
20 psi (1.3 bar) do not continue to drive the
vehicle.
Park your vehicle safely away from the road-
way and contact the nearest authorized
Mercedes-Benz Center or Roadside
Assistance.
Have the damaged tire replaced.
Warning! G
Follow recommend inflation pressures.
Do not overinflate tires. Overinflating tires
can result in sudden deflation (blowout)
because they are more likely to become
punctured or damaged by road debris,
potholes, etc.
Do not underinflate tires. Underinflated tires
wear unevenly, adversely affect handling
and fuel economy, and are more likely to fail
from being overheated.
Do not overload the tires by exceeding the
specified vehicle capacity weight (as indicat-
ed by the label on the pillar in the driver’s
door opening). Overloading the tires can
overheat them, possibly causing a blowout.
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