Mercedes-Benz R-Class 2012 Owners Manual - Manual (Page 303)

X Make sure pressure release screw F on
pressure gauge G is fully closed.
X Screw filler hose D onto valve E.
X Insert connector A into the socket in the
footwell of the second row of seats
(
Y page 268).
! None of the other sockets or cigarette
lighters are designed for operating the tire
inflation compressor.
X Turn the SmartKey to position
1(
Y page 145) in the ignition lock.
X Press on/off switch ? on the tire inflation
compressor to
I.
The tire inflation compressor is switched
on. The tire is inflated.
i First, TIREFIT is pumped into the tire. The
pressure can briefly rise to approximately
500 kPa (5 bar/73 psi).
Do not switch off the tire inflation
compressor during this phase.
X Allow the tire inflation compressor to run
for five minutes. The tire should then have
attained a pressure of at least 180 kPa
(1.8 bar/26 psi).
! Do not operate the tire inflation
compressor for longer than eight minutes
at a time without a break. It may otherwise
overheat.
The tire inflation compressor can be
operated 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 page 302).
If a pressure of 180 kPa (1.8 bar/26 psi) has
not been achieved after five minutes, see
(
Y page 302).
TIREFIT kit version 2
X Pull connector ? with the cable and hose
A out of the housing.
X Screw hose A onto flange B of tire
sealant bottle :.
X Insert tire sealant bottle : head
downwards into recess ; of the tire
inflation compressor.
X Remove the cap from valve C on the faulty
tire.
X Screw filler hose D onto valve C.
X Insert connector ? into the socket in the
footwell of the second row of seats
(
Y page 268).
Flat tire
301
Breakdown assistance
Z