221 Operation
Tires and wheels
4
\1Press thej or kbutton repeat-
edly until you see the current inflation
pressures for each tire appear in the
display or the following message ap-
pears in the display
Tire pres. displayed
after driving
for several minutes
\1Press reset button0 on the instrument
cluster (\2page 14).
The following message will appear in
the multifunction display:
Tire pres.
Adjust pres.
\1Press æbutton.
The following message will appear in
the multifunction display:
Tire pres. monitor
reactivatedAfter a few minutes' driving, the cur-
rent tire inflation pressure values are
accepted as reference values and then
monitored.If you wish to cancel activation:
\1Press çbutton.
Potential problems associated with un-
derinflated and overinflated tires
Proper tire inflation pressure is essential to
the safe and satisfactory operation of your
vehicle. Three primary areas are affected
by improper tire inflation pressure:
1. Safety
2. Economy
Improper inflation pressures can cause un-
even wear patterns to develop across the
tire tread. These abnormal wear patterns
will reduce tread life resulting in a need for
earlier tire replacement. Underinflation
also increases tire rolling resistance and
results in higher fuel consumption.
Warning
G
Follow recommended tire inflation pres-
sures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly, adverse-
ly affect handling and fuel economy, and are
more likely to fail from being overheated.
Do not overinflate tires. Overinflated tires
can adversely affect handling and ride com-
fort, wear unevenly, increase stopping dis-
tance, and result in sudden deflation
(blowout) because they are more likely to
become punctured or damaged by road de-
bris, potholes etc.Warning
G
Improperly inflated tires are dangerous and
can cause accidents.
Unequal tire inflation pressures can cause
steering problems. You could lose control of
your vehicle.
Unequal tire inflation pressures from one
side of the vehicle to the other can cause
the vehicle to drift to the right or left. Always
drive with each tire inflated to the recom-
mended cold tire inflation pressure.
\2\2
224 OperationTires and wheels
4
Tire speed rating
The tire speed rating6 indicates the ap-
proved maximum speed for the tire.
The commercial vehicle tires based on Eu-
ropean standards may have an additional
index in the parentheses. In such cases,
the index preceding the parentheses is val-
id for European countries and the paren-
thesized for the USA and Canada.
Warning
G
The tire load rating must always be at least
h a l f o f t h e G A W R o f y o u r v e h i c l e . O t h e r w i s e ,
tire failure may be the result which may
cause an accident and/or serious personal
injury to you or others.
Always replace rims and tires with the same
designation, manufacturer and type as
shown on the original part.Warning
G
Do not overload the tires by exceeding the
specified load limit as indicated on the plac-
ard located on the driver’s door B-pillar.
Overloading the tires can overheat them,
possibly causing a blowout. Overloading the
tires can also result in handling or steering
problems, or brake failure.
iTire load rating6 and tire speed
rating7 are also referred to as “ser-
vice description”.
Warning
G
Even when permitted by law, never operate
a vehicle at speeds greater than the maxi-
mum speed rating of the tires.
Exceeding the maximum speed for which
tires are rated can lead to sudden tire fail-
ure, causing loss of vehicle control and pos-
sibly resulting in an accident and/or
personal injury and possible death, for you
and for others.iAlways observe the speed rating of the
winter tires installed on your Sprinter
vehicle. If the maximum speed for
which your tires are rated is below the
speed rating of your Sprinter vehicle,
you must place a notice to this effect
where it will be seen by the driver.
Such notices are available at your tire
dealer or any authorized Sprinter Deal-
er.
226 OperationTires and wheels
4
DOT (D
epartment O
f T
ransportation)
A tire branding symbol1 which denotes
the tire meets requirements of the
U.S. Department of Transportation.
Manufacturer’s identification mark
The manufacturer’s identification mark2
denotes the tire manufacturer.
New tires have a mark with two symbols.
Retreaded tires have a mark with four sym-
bols. For more information on retreaded
tires, see (\2page 199).
Tire size
The code3 indicates the tire size.
Tire type code
The code4 may, as the manufacturer's
option, be used as a descriptive code for
identifying significant characteristics of
the tire.
Date of manufacture
The date of manufacture5 identifies the
week and year of manufacture.The first two figures identify the week,
starting with “01” to represent the first full
week of the calendar year. The second two
figures represent the year.
For example, "0301" represents the 3rd
week of 2001.
If the date of manufacture code indicated
on the tire is less than 4 figures, do not use
it.1Maximum tire load rating
The maximum tire load is the maximum
weight the tires are designed to support.
iPrior to July 2000, tire manufacturers
were only required to have 1 number to
represent the year in which the tire was
manufactured.
For example, "031" could represent the
3rd week of 1981 or 1991.Warning
G
Tires and spare tire should be replaced
after 6 years, regardless of the remain-
ing tread.
Maximum tire loadiFor illustrative purposes only. The actu-
al data on tires is specific to each vehi-
cle and may vary from the data shown
in the above illustration.
227 Operation
Tires and wheels
4
For more information on tire load rating,
refer to "Tire size designation, load and
speed rating" (\2page 222).
For information on calculating total and
cargo load capacities, refer to "Tire and
loading information" (\2page 205). 1Maximum permissible tire inflation
pressure
This is the maximum permissible tire infla-
tion pressure for the tire.Always follow the recommended tire infla-
tion pressure (\2page 210) for proper tire
inflation.Warning
G
Do not overload the tires by exceeding the
specified load limit as indicated on the tire
and loading information placard on the driv-
er’s door B-pillar. Overloading the tires can
overheat them, possibly causing a blowout.
Overloading the tires can also result in han-
dling or steering problems, or brake failure.
Never overload them.
The vehicle maximum load on the tire must
not exceed the load carrying capacity of the
tire on your vehicle.
You will not exceed the tire’s load carrying
capacity if you adhere to the loading condi-
tions, tire size and cold tire inflation pres-
sures specified on the tire and loading
information placard.
Maximum tire inflation pressureiFor illustrative purposes only. The actu-
al data on tires is specific to each vehi-
cle and may vary from the data shown
in the above illustration.
Warning
G
Never exceed the maximum tire inflation
pressure. Follow recommended tire inflation
pressures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly, adverse-
ly affect handling and fuel economy, and are
more likely to fail from being overheated.
Do not overinflate tires. Overinflated tires
can adversely affect handling and ride com-
fort, wear unevenly, increase stopping dis-
tance, and result in sudden deflation
(blowout) because they are more likely to
become punctured or damaged by road de-
bris, potholes etc.
231 Operation
Tires and wheels
4
TWR (T
ongue W
eight R
ating)
Maximum permissible weight on the trailer
tongue.
Uniform tire quality grading standards
A tire information system that provides
consumers with ratings for a tire’s traction,
temperature and treadwear. Ratings are
determined by tire manufacturers using
government testing procedures. The rat-
ings are molded into the side wall of the
tire.
Vehicle capacity weight
Rated cargo and luggage load plus
68 kilograms (150 lbs) times the vehicle’s
designated seating capacity.
Vehicle maximum load on the tire
Load on an individual tire that is deter-
mined by distributing to each axle its share
of the maximum loaded vehicle weight and
dividing it by two.
Tires on the front and rear axles of vehicles
operate at different loads and perform dif-
ferent steering, driving and braking func-
tions. For these reasons, they wear at unequal rates, and develop irregular wear
patterns. These effects can be reduced by
timely rotation of tires.
The benefits of rotation are especially
worthwhile with aggressive tread designs
such as those on On/Off Road type tires.
Rotation will increase tread life, help to
maintain mud, snow, and wet traction lev-
els, and contribute to a smooth ride.
If applicable to your vehicle’s tire configu-
ration, tires can be rotated according to
the tire manufacturer’s recommended in-
tervals in the tire manufacturer’s warranty
pamphlet located in your vehicle literature
portfolio. If none is available, tires should
be rotated every 10,000 miles
(16,000 km), or sooner if necessary, ac-
cording to the degree of tire wear.
The same rotation (spinning) direction
must be maintained when mounted, see
"Direction of rotation" (\2page 204).
Rotate tires before the characteristic tire
wear pattern becomes visible (shoulder
wear on front tires and tread center wear
on rear tires).
Rotating tiresWarning
G
Rotate front and rear wheels only if they are
of the same dimension.
Changing the tire dimension for an axle
\4could cause the tire to come into con-
tact with the vehicle body or axle parts.
Damage to the tire or the vehicle may be
the result.
\4could result in changes to steering, han-
dling, and braking of your Sprinter vehi-
cle. This can cause unpredictable
handling and stress to steering and sus-
pension components. You could lose
control and have an accident resulting in
serious injury or death.
\4could result in tire overloading and fail-
ure, if the tires' load index are not iden-
tical. You could lose control and have an
accident.
232 OperationTires and wheels
4
The reasons for any rapid or unusual wear
should be corrected prior to rotation being
performed.
Thoroughly clean the mounting face of
wheels and brake disks, i.e. the inner side
of the wheels/tires, during each rotation.
Check for and ensure proper tire inflation
pressure, refer to "Recommended tire in-
flation pressure" (\2page 210).
Rotation pattern for single and dual rear
wheelsSingle rear wheels:
\1Rotate the tires by axle. Never change
the direction of rotation of your tires.
\1Make sure that on one axle just one
type of tire (same size, type construc-
tion, load and speed rating) is used.
!
CAUTION
If your vehicle is equipped with the tire
pressure monitor*, each wheel has an
electronic component.
Tire mounting tools should not be ap-
plied in the area of the valve, as this
could damage the electronic compo-
nents.
Have the tires changed only at an
authorized Sprinter Dealer.
Warning
G
In order to avoid loosing a wheel and in or-
der to reduce the risk of fatal or serious in-
juries or vehicle damage, please follow
these safety instructions:
\4Always replace wheel bolts that are
damaged or rusted.
\4Never apply oil or grease to wheel bolts.
\4If a wheel hub thread is damaged, you
must not drive the vehicle. Consult an
authorized Sprinter Dealer.
Only use genuine wheel bolts approved
by the vehicle manufacturer and speci-
fied for your vehicle’s rims. Check tight-
ness of wheel bolts or nuts regularly and
retighten with a torque wrench, if neces-
sary. Tighten wheel bolts or nuts in a
crisscross pattern. For information on
mounting bolts and tightening torques,
refer to "Installing a wheel"
(\2page 320).
\4After changing a wheel, the wheel bolts
or nuts must be retightened after the ve-
hicle has been driven for about 30 miles
(50 km).
\4If new or repainted rims are fitted, the
wheel bolts or nuts must be retightened
again after about 600 to 3000 miles
(about 1000 to 5000 km).
234 OperationWinter driving
4
\3 Winter drivingHave your vehicle winterproofed at the
onset of winter at an authorized Sprinter
Dealer. This service includes the following:
\4Oil change, if the current engine oil
used has not been approved for winter
use
\4The antifreeze / anti-corrosion concen-
tration in the coolant is checked
\4The addition of a concentrated clean-
ing agent to the water in the windshield
washer system
\4Battery check
\4A tire change
You will find information about diesel fuel
for use at low outside temperatures in the
“Technical data” section (\2page 360).
Please also observe the information about
winter driving (\2page 235).Always use winter tires at temperatures
below 45°F (7°C) and whenever wintry
road conditions prevail. Winter tires should
be of the same size and type construction
as the summer tires.
Winter tires should also be operated as
printed on the tire and loading information
placard, refer to "Tires and wheels"
(\2page 199). Not all M+S rated radial-ply
tires provide special winter performance.
Make sure the tires you use show M+S and
the mountain/snowflake marking.on
the tire side wall. These tires meet specific
snow traction performance requirements
of the Rubber Manufacturers Association
(RMA) and the Rubber Association of Can-
ada (RAC) and have been designed specif-
ically for use in snow conditions. Use of
winter tires is the only way to achieve the
maximum effectiveness of the ABS, BAS,
ASR and ESP
® in winter operation.
For safe handling, make sure all winter
tires mounted are of the same make and
have the same tread design.Always observe the speed rating of the
winter tires installed on your vehicle. If the
maximum speed for which your tires are
rated is below the speed rating of your ve-
hicle, you must place a notice to this effect
where it will be seen by the driver. Such no-
tices are available at your tire dealer or any
authorized Sprinter Dealer.
\1Reactivate the tire pressure monitor.
While studded tires improve performance
on ice, skid and traction capability on wet
or dry surfaces may be poorer than that of
non-studded tires. Some states prohibit
studded tires; therefore, local laws should
be checked before using these tire types.
Winter tires
Warning
G
Winter tires with a tread depth under 1/6 in
(4 mm) must be replaced. They are no long-
er suitable for winter operation.
235 Operation
Winter driving
4
Drive with particular care on icy roads.
Avoid sudden acceleration, steering move-
ments and braking.If it seems likely that the vehicle is about to
enter a skid or cannot be stopped at a low
speed:
\4Move the selector lever to position N.
\4Try to maintain control of the vehicle
using light corrective steering.
Road salt may adversely affect braking ef-
ficiency. It may therefore be necessary to
apply the brakes more forcefully in order to
achieve the same braking force as normal.
Apply the brakes regularly when making
longer journeys on gritted or salted roads.
This will have the effect of restoring the
brakes to their normal level of perfor-
mance.
When stopping the vehicle after traveling
on roads that have been salted, check that
the brakes are fully functional before pro-
ceeding further.
Warning
G
If you use your spare tire when winter tires
are fitted on the other wheels, be aware that
the difference in tire characteristics may im-
pair turning stability and overall driving sta-
bility may be reduced. Adapt your driving
style accordingly.
Have the spare tire replaced with a winter
tire at the nearest authorized Sprinter Deal-
er.iWhen they have been removed, store
wheels and tires in a cool, dry, and if
possible dark place. Protect the tires
from oil, grease, and gasoline / diesel.
Driving in winterWarning
G
Downshifting to brake could cause the drive
wheels to lose grip on a slippery surface due
to the increased difference in speed be-
tween the engine and the drive wheels at
this time.
Do not downshift for additional engine brak-
ing on a slippery surface. Use the service
brake in accordance with road conditions.
Only downshift to a lower gear when travel-
ing at a low engine speed.