Mercedes-Benz R-Class 2012 Owners Manual - Manual (Page 310)

Version 1
Version 2
X Version 1: open flap :.
X Version 1: pull connector = and the air
hose with pressure gauge ? out of the
housing.
X Version 2: pull connector = and the air
hose out of the housing.
X Version 1: make sure that the pressure
release screw on pressure gauge ? is
closed.
X Remove the cap from the valve on the
collapsible spare wheel.
X Screw union nut A on the air hose onto the
valve.
X Make sure on/off switch ; of the tire
inflation compressor is set to
0.
X Insert plug 3 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 Make sure that the SmartKey is in 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. Gauge ? shows the
tire pressure.
! 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.
X Inflate the tire to the specified tire
pressure.
The specified tire pressure is printed on the
yellow label of the emergency spare wheel.
X When the specified tire pressure has been
reached, press on/off switch 2 on the
electric air pump to
0.
The tire inflation compressor is switched
off.
X Turn the SmartKey to position 0 in the
ignition lock.
X Version 1: if the tire pressure is higher than
the specified pressure, open the pressure
release screw on pressure gauge 4 until
the correct tire pressure has been reached.
X Version 2: if the tire pressure is higher than
the specified pressure, press pressure
release button 6 until the correct tire
pressure has been reached.
X Unscrew union nut A on the air hose from
the valve.
X Screw the valve cap onto the collapsible
spare wheel valve again.
X Version 1: stow plug = and the air hose
behind flap :.
X Version 2: stow plug = and the air hose
in the lower section of the compressor
housing.
X Stow the tire inflation compressor in the
designated place in the vehicle.
308
Flat tire
Breakdown assistance