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

Page: 375 / 412

Flat tire
373
X
Attach ratchet to vehicle jack so that the
word
DOWN can be seen.
Lower the vehicle until the vehicle is resting
fully on its own weight:
X
Turn ratchet in direction DOWN.
X Remove the jack.
1
–
5
Wheel bolts
X
Tighten the five wheel bolts evenly,
following the diagonal sequence illustrated
(
1
to
5
), until all bolts are tight. Observe
a tightening torque of 110 lb-ft (150 Nm).
G
Warning!
Have the tightening torque checked after
changing a wheel. The wheels could come
loose if they are not tightened to a torque
of 110 lb-ft (150 Nm).
X
Fully collapse the jack to storage position,
see (
Y
page 303).
X
Store the jack and the other vehicle tools
in the designated storage space.
For information on storing the spare wheel
after it has been replaced by a regular road
wheel, see (
Y
page 303).
i
The damaged road wheel cannot be
stored in the spare wheel well under the
cargo compartment floor. It should be
transported in the cargo compartment
wrapped in a protective wrap.
i Vehicles with TPMS:
Do not restart the tire inflation pressure
monitor until a full size wheel/tire with
functioning sensor has been placed back
into service on the vehicle.
MOExtended system
The MOExtended system allows you to
continue driving your vehicle even if there is
a total loss of pressure in one or more tires.
You may only use the MOExtended system in
conjunction with the Run Flat Indicator
(
Y
page 262) or the TPMS (
Y
page 263).
The maximum distance in emergency mode
depends on the vehicle’s load. It is 30 miles
(50 km) if the vehicle is partially loaded and
18 miles (30 km) if the vehicle is fully loaded.
The point at which the maximum driving
distance in emergency mode begins is when
the warning message appears in the
multifunction display indicating that there is
a loss of tire inflation pressure.
X
Do not exceed the maximum speed of
50 mph (80 km/h).
G
Warning!
In emergency mode, your vehicle’s driving
characteristics are diminished in such
situations as:
R
driving around curves
R
while braking
R
while accelerating rapidly
Practical hints
Z