Mercedes-Benz M-Class Owner's Manual page 339

Flat tyre
336
If you get TIREFIT on your clothing, have it
cleaned as soon as possible with perchloro-
ethylene.
Pull plug ? with the cable and hose A out
X
of the housing.
Screw hose A onto flange B of tyre seal-
X
ant bottle :.
Place tyre sealant bottle : head down-
X
wards into recess ; of the tyre inflation
compressor.
Remove the cap from valve C on the faulty
X
tyre.
Screw filler hose D onto valve C.
X
Insert plug ? into the 12 V socket
X
( page 309).
Y
Turn the key to position 1 (
X
the ignition lock.
Press on/off switch = on the tyre inflation
X
compressor to I.
The tyre inflation compressor is switched
on. The tyre is inflated.
i
pressure can briefly rise to approximately
500 kPa (5 bar/73 psi).
Do not switch off the tyre inflation com-
pressor during this phase.
Allow the tyre inflation compressor to run
X
for five minutes. The tyre should then have
attained a pressure of at least 180 kPa
(1.8 bar/26 psi).
! Do not operate the tyre inflation com-
pressor for longer than eight minutes at a
time without a break. It may otherwise
overheat.
The tyre inflation compressor can be oper-
ated again once it has cooled down.
If a pressure of 180 kPa (1.8 bar/26 psi) has
been achieved after five minutes, see
(
Y
If a pressure of 180 kPa (1.8 bar/26 psi) has
not been achieved after five minutes, see
(
Y
Tyre pressure of at least 180 kPa
(1.8 bar/26 psi) not reached
If, after five minutes, a pressure of 180 kPa
(1.8 bar/26 psi) has not been achieved:
Switch off the tyre inflation compressor.
X
Unscrew the filler hose from the valve of
X
the faulty tyre.
Very slowly drive forwards or reverse
X
approximately 10 m.
Pump up the tyre again.
X
G
If after five minutes a pressure of 180 kPa
(1.8 bar/26 psi) cannot be achieved, the tyre
is too severely damaged.
page 139) in
Y
Do not drive any further. Consult a qualified
specialist workshop which has the necessary
specialist knowledge and tools to carry out
the work required. Mercedes-Benz recom-
mends that you use a Mercedes-Benz Service
Centre for this purpose. In particular, work
relevant to safety or on safety-related sys-
First, TIREFIT is pumped into the tyre. The
page 337).
page 336).
WARNING