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Flat tire
325
Be careful not to damage the locking tabs
or clamp the plastic retaining strap.
MOExtended system
The MOExtended system allows you to con-
tinue 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 TPMS (Y page 218) or
the Advanced TPMS (Y page 220).
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 dis-
tance in emergency mode begins is when the
warning message appears in the multifunc-
tion 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 sit-
uations as:
R
driving around curves
R
while braking
R
while accelerating rapidly
Therefore, your driving style must be
adapted accordingly. Avoid abrupt steering
and driving maneuvers, as well as driving
over obstacles (road curbs, potholes, or off-
road areas). This is especially important if
the vehicle is heavily loaded.
The emergency driving distance that can be
achieved greatly depends on the demands
placed on the vehicle. Depending on speed,
load, driving maneuvers, road conditions,
outside temperature, etc., the distance can
be significantly shorter or, if the vehicle is
driven cautiously, somewhat longer.
Do not continue driving in emergency mode
if
R
you notice knocking sounds
R
the vehicle starts to shake
R
smoke develops and you smell rubber
R
ESP
®
is intervening continuously
R
you notice tears on the tire sidewalls
After driving in emergency mode, you must
have the rims inspected by an authorized
Mercedes-Benz Center to check if they are
suitable for further use. The failed tire must
be replaced in any case.
When replacing individual or all tires on the
vehicle, make sure only tires marked with
“MOExtended” are mounted in the size speci-
fied for your vehicle (Y page 343).
Practical hints
Z