Mercedes-Benz 2012 A-Class Owner's Manual page 304

Flat tyre
302
Using the TIREFIT kit
TIREFIT is a tyre sealant.
You can use TIREFIT to seal punctures of up
to 4 mm, particularly those in the tyre tread.
You can use TIREFIT at outside temperatures
down to Ò20 †.
TIREFIT sticker, 2-part
X
Do not remove any foreign objects which
have penetrated the tyre, e.g. screws or
nails.
X
Remove the tyre sealant bottle, the accom-
panying TIREFIT sticker and the tyre infla-
tion compressor from the stowage well
underneath the luggage compartment floor
( Y page 299).
X
Affix part : of the TIREFIT sticker within
the driver's field of vision.
X
Affix part ; of the TIREFIT sticker near the
valve on the wheel with the defective tyre.
X
Remove filler hose B and plug = from the
bottom section of the tyre inflation com-
pressor housing.
X
Slide the yellow filler hose connector into
the mounting on yellow cap A of tyre seal-
ant bottle : until the plug engages.
X
With the sealing rings in front, slide yellow
cap A of tyre sealant bottle : into the
mounting of tyre inflation compressor ;
until the cap and both hooks engage.
X
Remove the cap from valve C on the faulty
tyre.
X
Screw filler hose D onto valve.
X
Insert plug = into the socket of the ciga-
rette lighter ( Y page 278) or into a 12 V
power socket in your vehicle (
X
Turn the key to position 1 in the ignition
Y
lock ( page 143).
X
Press on/off switch ? on the tyre inflation
compressor to ON.
The tyre inflation compressor is switched
on. The tyre is inflated.
i First, tyre sealant is pumped into the tyre.
The pressure can briefly rise to approx-
imately 500 kPa (5 bar/73 psi).
Do not switch off the tyre inflation com-
pressor during this phase.
X
Let the tyre inflation compressor run for a
maximum of ten minutes. The tyre should
then have attained a pressure of at least
200 kPa (2.0 bar/29 psi).
!
Do not operate the tyre inflation com-
pressor for longer than ten minutes at a
Y page 278).