Mercedes-Benz 2009 R-Class, Operator'S Manual

Page: 372 / 412

Flat tire
370
1
Wheel bolt for 18" and 19" light alloy
wheels
2
Wheel bolt for spare wheel (located in
cargo compartment with spare wheel)
! Wheel bolts
2
must be used when
mounting the spare wheel with collapsible
tire. The use of any wheel bolts other than
wheel bolts
2
for the spare wheel with
collapsible tire will damage the vehicle’s
brakes.
G
Warning!
Make sure to use the original length wheel
bolts when remounting the original wheel
after it has been repaired.
X
Clean contact surfaces of wheel and wheel
hub.
! To avoid paint damage, place wheel flat
against hub and hold it there while
installing first wheel bolt.
X Guide the spare wheel onto the alignment
bolt and push it on.
X
Insert the wheel bolts and tighten them
slightly.
X
Unscrew the alignment bolt.
X
Install last wheel bolt and tighten it slightly.
X
Inflate the collapsible tire (
Y
page 370).
Inflating the collapsible tire
G
Warning!
Inflate collapsible tire only after the wheel
is properly attached.
Inflate the collapsible tire using the electric
air pump before lowering the vehicle.
G
Warning!
Observe safety instructions on air pump
label.
!
Do not lower the vehicle before inflating
the collapsible tire. Otherwise the rim may
be damaged.
Your vehicle may be equipped with either of
two versions of the electric air pump:
R
Version 1: The air hose with pressure
gauge and the electrical plug are located
behind a flap.
R
Version 2: The pressure gauge is located
in the pump housing. The air hose and
electrical plug are located at the bottom of
the pump housing.
The following description applies to both
versions. Differences in usage are expressly
declared.
Practical hints