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EnglishWheels and tires for your BMW X4 2014-2018
Mobility
Wheels and tires
Wheels and tires
than 1.25 miles/2 km or when the vehicle has
been parked for at least 2 hours.
Vehicle features and options
This chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your vehicle, e. g., due
to the selected options or country versions.
This also applies to safety-related functions
and systems. When using these functions and
systems, the applicable country provisions
must be observed.
The displays of inflation devices may under-
read by up to 0.1 bar/2 psi.
For Flat Tire Monitor: after correcting the tire
inflation pressure, reinitialize the Flat Tire
Monitor.
For Tire Pressure Monitor: perform a reset of
the Tire Pressure Monitor after adjusting tire
pressure to a new value.
Tire inflation pressure specifications
Tire inflation pressure
The tire inflation pressure table, refer to
page 201, contains all tire inflation pressure
specifications for the specified tire sizes at the
ambient temperature. The tire inflation pres‐
sure values apply to tire sizes approved by the
manufacturer of the vehicle for the vehicle
type.
Safety information
The tire characteristics and tire inflation pres‐
sure influence the following:
▷
▷
▷
The service life of the tires.
Road safety.
To identify the correct tire inflation pressure,
please note the following:
Driving comfort.
▷
▷
Tire sizes of your vehicle.
Checking the tire inflation pressure
Maximum permitted driving speed.
WARNING
A tire with low or missing tire inflation
pressure impacts handling, such as steering
and braking response. There is a risk of an ac‐
cident. Regularly check the tire inflation pres‐
sure, and correct it as needed, e.g., twice a
month and before a long trip.◀
Tire inflation pressures up to
100 mph/160 km/h
For speeds of up to 100 mph/160 km/h and for
optimum driving comfort, note the pressure
values in the tire inflation pressure table, refer
to page 201, and adjust as necessary.
Tires have a natural, consistent loss of tire in‐
flation pressure.
Tires heat up while driving, and the tire infla‐
tion pressure increases along with the tire's
temperature. The tire inflation pressure speci‐
fications relate to cold tires or tires at ambient
temperature.
Only check the tire inflation pressure when the
tires are cold. This means after driving no more
200
Wheels and tires
Mobility
Tire size
Pressure specifications
in bar/PSI
Front: 245/40 R 20 2.2 / 32
99 Y XL Std/RSC
-
Rear: 275/35 R 20
102 Y XL Std/RSC
-
2.4 / 35
Front: 245/40 ZR
20 99 Y XL Std
2.2 / 32
-
-
These pressure values can also be found on
the tire inflation pressure label on the driver's
door pillar.
Rear: 275/35 ZR
20 102 Y XL Std
2.4 / 35
-
Do not exceed a speed of 100 mph/160 km/h.
Front: 245/35 R 21 2.4 / 35
96 Y XL RSC
Tire inflation pressure values up to
100 mph/160 km/h
Rear: 275/30 R 21
98 Y XL RSC
-
2.8 / 41
X4 xDrive28i
Emergency wheel: Speed up to a max. of
50 mph / 80 km/h
T 135/80 R 18 104
M
Tire size
Pressure specifications
in bar/PSI
4.2 / 60
Specifications in
bar/PSI with cold
tires
X4 xDrive35i
Tire size
Pressure specifications
in bar/PSI
245/55 R 17 102 H 2.2 / 32
M+S RSC
2.2 / 32
2.4 / 35
Specifications in
bar/PSI with cold
tires
225/60 R 17 99 H 2.2 / 32
M+S RSC
245/50 R 18 100 H
M+S RSC
245/50 R 18 100
H M+S RSC
2.2 / 32
2.4 / 35
2.6 / 38
-
245/50 R 18 100 V
M+S A/S RSC
245/50 R 18 100 V
M+S A/S RSC
245/45 R 19 102 V
M+S XL A/S RSC
245/45 R 19 102 V 2.2 / 32
M+S XL A/S RSC
245/45 R 19 102 V
M+S XL RSC
245/45 R 19 102 V
M+S XL RSC
Front: 245/45 R 19 2.2 / 32
98 W RSC
-
Front: 245/45 R 19 2.2 / 32
98 W RSC
Rear: 275/40 R 19
101 W RSC
-
2.2 / 32
201
Mobility
Wheels and tires
Tire size
Pressure specifications
in bar/PSI
Tire size
Pressure specifications
in bar/PSI
Rear: 275/40 R 19
101 W RSC
-
2.2 / 32
Front: 245/45 R 19 2.2 / 32
98 W RSC
-
Rear: 275/40 R 19
101 W RSC
-
2.4 / 35
Front: 245/40 R 20 2.4 / 35
99 Y XL Std/RSC
-
Rear: 275/35 R 20
102 Y XL Std/RSC
-
2.6 / 38
Front: 245/40 R 20 2.4 / 35
99 Y XL Std/RSC
-
Rear: 275/35 R 20
102 Y XL Std/RSC
-
2.6 /38
Front: 245/40 ZR
20 99 Y XL Std
2,4 / 36
-
-
Rear: 275/35 ZR
20 102 Y XL Std
2.6 / 38
-
Front: 245/40 ZR
20 99 Y XL Std
2.4 / 35
-
-
Rear: 275/35 ZR
20 102 Y XL Std
2.6 / 38
-
Front: 245/35 R 21 2.6 / 38
96 Y XL RSC
Rear: 275/30 R 21
98 Y XL RSC
-
2.8 / 41
Front: 245/35 R 21 2.6 / 38
96 Y XL RSC
Rear: 275/30 R 21
98 Y XL RSC
-
3.0 / 44
Emergency wheel: Speed up to a max. of
50 mph / 80 km/h
T 135/80 R 18 104
M
4.2 / 60
Emergency wheel: Speed up to a max. of
50 mph / 80 km/h
T 135/80 R 18 104
X4 M40i
M
4.2 / 60
Tire size
Pressure specifications
in bar/PSI
Tire inflation pressures at max.
speeds above 100 mph/160 km/h
Specifications in
bar/PSI with cold
tires
WARNING
In order to drive at maximum speeds in
excess of 100 mph/160 km/h, please observe,
and, if necessary, adjust tire pressures for
speeds exceeding 100 mph/160 km/h from the
relevant table on the following pages. Other‐
wise, tire damage and accidents could occur.◀
245/50 R 18 100
H M+S RSC
2.2 / 32
2.4 / 35
2.6 / 38
245/50 R 18 100 V
M+S A/S RSC
245/45 R 19 102 V 2.2 / 32
M+S XL A/S RSC
245/45 R 19 102 V
M+S XL RSC
202
Wheels and tires
Mobility
Tire inflation pressure values over
100 mph/160 km/h
Tire size
Pressure specifications
in bar/PSI
Rear: 275/30 R 21
98 Y XL RSC
-
3.0 / 44
X4 xDrive28i
Tire size
Pressure specifications
in bar/PSI
Emergency wheel: Speed up to a max. of
50 mph / 80 km/h
T 135/80 R 18 104
Specifications in
bar/PSI with cold
tires
M
4.2 / 60
X4 xDrive35i
Tire size
Pressure specifications
in bar/PSI
245/55 R 17 102 H 2.2 / 32
M+S RSC
2.6 / 38
2.8 / 41
Specifications in
bar/PSI with cold
tires
225/60 R 17 99 H 2.4 / 35
M+S RSC
245/50 R 18 100 H
M+S RSC
245/50 R 18 100 V
M+S A/S RSC
245/50 R 18 100
H M+S RSC
2.6 / 38
3.0 / 44
3.2 / 46
245/50 R 18 100 V
M+S A/S RSC
245/45 R 19 102 V 2.6 / 38
M+S XL A/S RSC
3.0 / 44
245/45 R 19 102 V
M+S XL RSC
245/45 R 19 102 V 2.8 / 41
M+S XL A/S RSC
245/45 R 19 102 V
M+S XL RSC
Front: 245/45 R 19 2.4 / 35
98 W RSC
-
Front: 245/45 R 19 2.6 / 38
98 W RSC
-
Rear: 275/40 R 19
101 W RSC
-
2.6 / 38
Rear: 275/40 R 19
101 W RSC
-
2.8 / 41
Front: 245/40 R 20 2.4 / 35
99 Y XL Std/RSC
-
Front: 245/40 R 20 2.6 / 38
99 Y XL Std/RSC
-
Rear: 275/35 R 20
102 Y XL Std/RSC
-
2.6 / 38
Rear: 275/35 R 20
102 Y XL Std/RSC
-
2.8 / 41
-
Front: 245/40 ZR
20 99 Y XL Std
2.4 / 35
-
-
Front: 245/40 ZR
20 99 Y XL Std
2.6 / 38
-
Rear: 275/35 ZR
20 102 Y XL Std
2.6 / 38
-
Rear: 275/35 ZR
20 102 Y XL Std
2.8 / 41
Front: 245/35 R 21 2.6 / 38
96 Y XL RSC
203
Mobility
Wheels and tires
Tire size
Pressure specifications
in bar/PSI
Tire size
Pressure specifications
in bar/PSI
Front: 245/35 R 21 2.8 / 41
96 Y XL RSC
-
Rear: 275/35 ZR
20 102 Y XL Std
-
2.8 / 41
Rear: 275/30 R 21
98 Y XL RSC
-
3.2 / 46
Front: 245/35 R 21 2.8 / 41
96 Y XL RSC
-
Emergency wheel: Speed up to a max. of
Rear: 275/30 R 21
98 Y XL RSC
-
3.2 / 46
50 mph / 80 km/h
T 135/80 R 18 104
M
4.2 / 60
Emergency wheel: Speed up to a max. of
50 mph / 80 km/h
T 135/80 R 18 104
X4 M40i
M
4.2 / 60
Tire size
Pressure specifications
in bar/PSI
Tire identification marks
Specifications in
bar/PSI with cold
tires
Tire size
245/45 R 18 96 Y
245: nominal width in mm
45: aspect ratio in %
245/50 R 18 100
H M+S RSC
2.6 / 38
3.0 / 44
3.2 / 46
R: radial tire code
245/50 R 18 100 V
M+S A/S RSC
18: rim diameter in inches
96: load rating, not for ZR tires
Y: speed rating, before the R on ZR tires
245/45 R 19 102 V 2.8 / 41
M+S XL A/S RSC
245/45 R 19 102 V
M+S XL RSC
Speed letter
Q = up to 100 mph, 160 km/h
R = up to 106 mph, 170 km/h
S = up to 112 mph, 180 km/h
T = up to 118 mph, 190 km/h
H = up to 131 mph, 210 km/h
V = up to 150 mph, 240 km/h
W = up to 167 mph, 270 km/h
Y = up to 186 mph, 300 km/h
Front: 245/45 R 19 2.6 / 38
98 W RSC
-
Rear: 275/40 R 19
101 W RSC
-
2.8 / 41
Front: 245/40 R 20 2.6 / 38
99 Y XL Std/RSC
-
Rear: 275/35 R 20
102 Y XL Std/RSC
-
2.8 / 41
-
Tire Identification Number
DOT code: DOT xxxx xxx 2116
xxxx: manufacturer code for the tire brand
xxx: tire size and tire design
Front: 245/40 ZR
20 99 Y XL Std
2.6 / 38
204
Wheels and tires
Mobility
2116: tire age
Traction
Tires with DOT codes meet the guidelines of
the U.S. Department of Transportation.
The traction grades, from highest to lowest,
are AA, A, B, and C.
Those grades represent the tire's ability to
stop on wet pavement as measured under
controlled conditions on specified government
test surfaces of asphalt and concrete. A tire
marked C may have poor traction performance.
Tire age
DOT … 2116: the tire was manufactured in the
21st week of 2016.
Recommendation
Regardless of wear and tear, replace tires at
least every 6 years.
The traction grade assigned to this tire is
based on straight-ahead braking traction tests,
and does not include acceleration, cornering,
hydroplaning, or peak traction characteristics.
Uniform Tire Quality Grading
Temperature
Quality grades can be found where applicable
on the tire sidewall between tread shoulder
and maximum section width.
The temperature grades are A, the highest, B,
and C, representing the tire's resistance to the
generation of heat and its ability to dissipate
heat when tested under controlled conditions
on a specified indoor laboratory test wheel.
Sustained high temperature can cause the ma‐
terial of the tire to degenerate and reduce tire
life, and excessive temperature can lead to
sudden tire failure. The grade C corresponds
to a level of performance which all passenger
vehicle tires must meet under the Federal Mo‐
tor Vehicle Safety Standard No. 109. Grades
Band A represent higher levels of performance
on the laboratory test wheel than the minimum
required by law.
E.g.: Treadwear 200; Traction AA; Tempera‐
ture A
DOT Quality Grades
Treadwear
Traction AA A B C
Temperature A B C
All passenger vehicle tires must conform to
Federal Safety Requirements in addition to
these grades.
Treadwear
WARNING
The treadwear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditions on a specified gov‐
ernment test course. E.g., a tire graded 150
would wear one and one-half, 1 g, times as well
on the government course as a tire graded
100. The relative performance of tires depends
upon the actual conditions of their use, how‐
ever, and may depart significantly from the
norm due to variations in driving habits, service
practices and differences in road characteris‐
tics and climate.
The temperature grade for this tire is es‐
tablished for a tire that is properly inflated and
not overloaded. Excessive speed, underinfla‐
tion, or excessive loading, either separately or
in combination, can cause heat buildup and
possible tire failure.◀
RSC – Run-flat tires
Run-flat tires, refer to page 208, are labeled
with a circular symbol containing the letters
RSC marked on the sidewall.
205
Mobility
Wheels and tires
Driving over rough or damaged road surfaces,
as well as debris, curbs and other obstacles
can cause serious damage to wheels, tires and
suspension parts. This is more likely to occur
with low-profile tires, which provide less cush‐
ioning between the wheel and the road. Be
careful to avoid road hazards and reduce your
speed, especially if your vehicle is equipped
with low-profile tires.
M+S
Winter and all-season tires with better cold
weather performance than summer tires.
Tire tread
Summer tires
Do not drive with a tire tread depth of less than
0.12 inches/3 mm.
Indications of tire damage or other vehicle mal‐
functions:
There is an increased risk of hydroplaning if
the tire tread depth is less than 0.12 in‐
ches/3 mm.
▷
▷
Unusual vibrations while driving.
Unusual handling such as a strong ten‐
dency to pull to the left or right.
Winter tires
Do not drive with a tire tread depth of less than
0.16 inches/4 mm.
Damage can, e.g., be caused by driving over
curbs, road damage, or similar things.
Safety information
Below a tread depth of 0.16 inches/4 mm, tires
are less suitable for winter operation.
WARNING
Damaged tires can lose tire inflation
pressure, which can lead to loss of vehicle
control. There is a risk of an accident. If tire
damage is suspected while driving, immedi‐
ately reduce speed and stop. Have wheels and
tires checked. For this purpose, drive carefully
to the nearest dealer’s service center or an‐
other qualified service center or repair shop.
Have vehicle towed or transported as
needed.◀
Minimum tread depth
WARNING
Wear indicators are distributed around the
tire's circumference and have the legally re‐
quired minimum height of 0.063 in‐
ches/1.6 mm.
Damaged tires can lose tire inflation
pressure, which can lead to loss of vehicle
control. There is a risk of an accident. Do not
repair damaged tires, but have them re‐
placed.◀
They are marked on the side of the tire with
TWI, Tread Wear Indicator.
Changing wheels and tires
Tire damage
Mounting
General information
Inspect your tires regularly for damage, foreign
objects lodged in the tread, and tread wear.
Have mounting and wheel balancing carried
out by a dealer’s service center or another
qualified service center or repair shop.
206
Wheels and tires
Mobility
they achieve their full traction potential after a
break-in time.
Wheel and tire combination
You can ask the dealer’s service center or an‐
other qualified service center or repair shop
about the correct wheel/tire combination and
wheel rim versions for the vehicle.
Drive conservatively for the first
200 miles/300 km.
Retreaded tires
The manufacturer of your vehicle does not rec‐
ommend the use of retreaded tires.
Incorrect wheel and tire combinations impair
the function of a variety of systems such as
ABS or DSC.
To maintain good handling and vehicle re‐
sponse, use only tires with a single tread con‐
figuration from a single manufacturer.
WARNING
Retreaded tires can have different tire
casing structures. With advanced age the serv‐
ice life can be limited. There is a risk of an acci‐
dent. The manufacturer of your vehicle does
not recommend the use of retreaded tires.◀
Following tire damage, have the original wheel
and tire combination remounted on the vehicle
as soon as possible.
WARNING
Winter tires
Winter tires are recommended for operating on
winter roads.
Wheels and tires which are not suitable
for your vehicle can damage parts of the vehi‐
cle, e.g., due to contact with the body due to
tolerances despite the same official size rating.
There is a risk of an accident. The manufac‐
turer of your vehicle strongly suggests that you
use wheels and tires that have been recom‐
mended by the vehicle manufacturer for your
vehicle type.◀
Although so-called all-season M+S tires pro‐
vide better winter traction than summer tires,
they do not provide the same level of perform‐
ance as winter tires.
Maximum speed of winter tires
If the maximum speed of the vehicle is higher
than the permissible speed for the winter tires,
then attach a corresponding information label/
sticker in the field of view. The label is available
from a dealer’s service center or another quali‐
fied service center or repair shop.
Recommended tire brands
With mounted winter tires, observe and adhere
to the permissible maximum speed.
Run-flat tires
If you are already using run-flat tires, for your
own safety you should replace them only with
the same kind. No spare tire is available in the
case of a flat tire. Further information is availa‐
ble from a dealer’s service center or another
qualified service center or repair shop.
For each tire size, BMW recommends certain
tire brands. These can be identified by a star
on the tire sidewall.
New tires
Tire traction is not optimal due to manufactur‐
ing circumstances when tires are brand-new;
207
Mobility
Wheels and tires
Rotating wheels between axles
Changing run-flat tires
Different wear patterns can occur on the front
and rear axles depending on individual driving
conditions. The tires can be rotated between
the axles to achieve even wear. Further infor‐
mation is available from a dealer’s service cen‐
ter or another qualified service center or repair
shop. After rotating, check the tire pressure
and correct, if needed.
For your own safety, only use run-flat tires. No
spare tire is available in the case of a flat tire.
A dealer’s service center will be glad to answer
additional questions at any time.
Repairing a flat tire
Rotating the tires between the axes is not per‐
missible on vehicles with different tire sizes or
rim sizes on the front and rear axles.
Safety measures
▷
Park the vehicle as far away as possible
from passing traffic and on solid ground.
▷
▷
Switch on the hazard warning system.
Storage
Secure the vehicle against rolling away by
setting the parking brake.
Store wheels and tires in a cool, dry place with
as little exposure to light as possible.
▷
▷
Turn the steering wheel until the front
wheels are in the straight-ahead position
and engage the steering wheel lock.
Always protect tires against all contact with oil,
grease and fuels.
Do not exceed the maximum tire inflation pres‐
sure indicated on the side wall of the tire.
Have all vehicle occupants get out of the
vehicle and ensure that they remain out‐
side the immediate area in a safe place,
such as behind a guardrail.
Run-flat tires
▷
If necessary, set up a warning triangle at an
appropriate distance.
Label
Mobility System
Concept
With the Mobility System, minor tire damage
can be sealed temporarily to enable continued
travel. To accomplish this, sealant is pumped
into the tires, which seals the damage from the
inside.
RSC label on the tire sidewall.
The compressor can be used to check the tire
inflation pressure.
The wheels consist of tires that are self-sup‐
porting, to a limited degree, and possibly spe‐
cial rims.
General information
The support of the sidewall allows the tire to
remain drivable to a restricted degree in the
event of a tire inflation pressure loss.
▷
Follow the instructions on using the Mobi‐
lity System found on the compressor and
sealant container.
Follow the instructions for continued driving
with a flat tire.
208
Wheels and tires
Mobility
▷
▷
Use of the Mobility System may be ineffec‐
tive if the tire puncture measures approx.
1/8 inches/4 mm or more.
Compressor
Contact a dealer’s service center or an‐
other qualified service center or repair
shop if the tire cannot be made drivable.
▷
▷
If possible, do not remove foreign bodies
that have penetrated the tire.
Pull the speed limit sticker off the sealant
container and apply it to the steering
wheel.
1
2
3
4
5
6
7
Holder for sealant container
Compressor
▷
The use of a sealant can damage the TPM
wheel electronics. In this case, have the
electronics checked at the next opportu‐
nity and have them replaced, if needed.
Connector/cable for socket
Connection hose
On/off switch
Storage
Inflation pressure dial
Reduce inflation pressure
The Mobility System is located under the
cargo floor panel.
Filling the tire with sealant
1. Shake the sealant container.
Sealant container
▷
▷
Sealant container, arrow 1.
Filling hose, arrow 2.
2. Pull the connection hose fully out of the
compressor housing. Do not kink the hose.
Observe use-by date on the sealant container.
209
Mobility
Wheels and tires
3. Screw the connection hose onto the con‐
nector of the sealant container.
6. With the compressor switched off, insert
the plug into the power socket inside the
vehicle.
4. Insert the sealant container on the com‐
pressor housing in an upright position.
7. With the ignition turned on or the engine
running, switch on the compressor.
5. Screw the filling hose of the sealant con‐
tainer onto the tire valve of the nonworking
wheel.
DANGER
If the exhaust pipe is blocked or ventila‐
tion is insufficient, harmful exhaust gases can
enter into the vehicle. The exhaust gases con‐
tain carbon monoxide, an odorless and color‐
less but highly toxic gas. In enclosed areas, ex‐
haust gases can also accumulate outside of
the vehicle. There is danger to life. Keep the
exhaust pipe free and ensure sufficient ventila‐
tion.◀
NOTE
The compressor can overheat during ex‐
tended operation. There is a risk of property
damage. Do not run the compressor for more
than 10 min.◀
Let the compressor run for approx. 3 to 8 mi‐
nutes to fill the tire with sealant and achieve a
tire inflation pressure of approx. 2.5 bar.
210
Wheels and tires
Mobility
While the tire is being filled with sealant, the
tire inflation pressure may sporadically reach
approx. 5 bar. Do not switch off the compres‐
sor at this point.
Correcting the tire inflation pressure
1. Stop at a suitable location.
2. Screw the connection hose of the com‐
pressor directly onto the tire valve stem.
If a tire inflation pressure of 2 bar is not
reached:
3. Insert the connector into the power socket
inside the vehicle.
1. Switch off the compressor.
4. Correct the tire inflation pressure to
2.5 bar.
2. Unscrew the filling hose from the wheel.
3. Drive 33 ft/10 m forward and back to dis‐
tribute the sealant in the tire.
▷
Increase pressure: with the ignition
turned on or the engine running, switch
on the compressor.
4. Inflate the tire again using the compressor.
▷
To reduce the pressure: press the but‐
ton on the compressor.
If a tire inflation pressure of 2 bar cannot be
reached, contact your dealer’s service cen‐
ter or another qualified service center or
repair shop.
Continuing the trip
Do not exceed the maximum permissible
speed of 50 mph/80 km/h.
Stowing the Mobility System
1. Unscrew the filling hose of the sealant con‐
tainer from the wheel.
Reinitialize the Flat Tire Monitor.
Reinitialize the Tire Pressure Monitor.
2. Unscrew the connection hose of the com‐
pressor from the sealant container.
Replace the nonworking tire and the sealant
container of the Mobility System as soon as
possible.
3. Connect the filling hose of the sealant con‐
tainer previously connected to the tire
valve with the available connector on the
sealant container.
Snow chains
This prevents leftover sealant from escap‐
ing from the container.
Fine-link snow chains
The manufacturer of your vehicle recommends
use of fine-link snow chains. Certain types of
fine-link snow chains have been tested by the
manufacturer of the vehicle and recommended
as road-safe and suitable.
4. Wrap the empty sealant container in suita‐
ble material to avoid dirtying the cargo
area.
5. Stow the Mobility System back in the vehi‐
cle.
Information regarding suitable snow chains is
available from a dealer’s service center or an‐
other qualified service center or repair shop.
Distributing the sealant
Immediately drive approx. 5 miles/10 km to en‐
sure that the sealant is evenly distributed in the
tire.
Use
WARNING
Do not exceed a speed of 50 mph/80 km/h.
With the mounting of snow chains on un‐
suitable tires, the snow chains can come into
contact with vehicle parts. There is a risk of ac‐
cidents or risk of property damage. Only mount
If possible, do not drive at speeds less than
12 mph/20 km/h.
211
Mobility
Wheels and tires
snow chains on tires that are designated by
their manufacturer as suitable for the use of
snow chains.◀
Safety information
WARNING
On soft or slippery ground, e.g., snow,
Use only in pairs on the rear wheels, equipped
with the tires of the following size:
ice, tiles, etc., the vehicle jack can slip away.
There is a risk of injury. If possible, change the
tire/wheel on a flat, solid and slip-resistant sur‐
face.◀
▷
▷
▷
▷
205/65 R 17.
225/60 R 17.
245/50 R 18.
245/45 R 19.
WARNING
The vehicle jack is only provided for
short-term lifting of the vehicle for wheel
changes. Even if all safety measures are ob‐
served, there is a risk of the raised vehicle fall‐
ing, if the vehicle jack tilts over. There is a risk
of injuries or danger to life. If the vehicle is
raised, do not lie under the vehicle and do not
start the engine.◀
Do not mount snow chains on size 245/55 R
17 tires.
Follow the snow chain manufacturer's instruc‐
tions.
Make sure that the snow chains are always
sufficiently tight. Re-tighten as needed ac‐
cording to the snow chain manufacturer's in‐
structions.
WARNING
Do not initialize the Flat Tire Monitor after
mounting snow chains, as doing so may result
in incorrect readings.
The vehicle jack is optimized for lifting
the vehicle and for the jacking points on the
vehicle only. There is a risk of injury. Do not lift
any other vehicle or cargo using the vehicle
jack.◀
Do not initialize the Tire Pressure Monitor after
mounting snow chains, as doing so may result
in incorrect readings.
WARNING
When driving with snow chains, briefly activate
Dynamic Traction Control, if needed.
If the vehicle jack is not inserted into the
designated jacking point, damage to the vehi‐
cle may occur while cranking the vehicle up, or
the vehicle jack can slip away. There is a risk of
injury or risk of property damage. Make sure
that the vehicle jack is inserted into the jacking
point next to the wheel house while cranking
the vehicle up.◀
Maximum speed with snow chains
Do not exceed a speed of 30 mph/50 km/h
when using snow chains.
Changing wheels/tires
Securing the vehicle against rolling
General information
The vehicle manufacturer recommends to ad‐
ditionally secure the vehicle against rolling
away when changing a wheel.
General information
When using run-flat tires or tire sealants, a tire
does not always need to be changed immedi‐
ately in the event of pressure loss due to a flat
tire.
If needed, the tools for changing wheels are
available as accessories from a dealer’s service
center or another qualified service center or re‐
pair shop.
212
Wheels and tires
Mobility
side the immediate area in a safe place,
such as behind a guardrail.
On a level surface
▷
▷
▷
Depending on the equipment version, get
tools and the emergency wheel from the
vehicle.
If necessary, set up a warning triangle or
portable hazard warning lamp at an appro‐
priate distance.
Do not place wood blocks or similar items
under the vehicle jack; otherwise, it cannot
reach its carrying capacity because of the
restricted height.
Place chocks or other suitable objects, for ex‐
ample a rock, in front of and behind the wheel
that is diagonally opposite to the wheel that
you wish to change.
▷
▷
Secure the vehicle additionally against roll‐
ing.
Loosen the lug bolts a half turn.
On slight down-hill grades
Jacking points for the vehicle jack
If a wheel needs to be changed on a slight
down-hill grade, place wheel chocks or other
suitable objects, e.g. a stone, under the wheels
of the front and rear axle.
The jacking points for the vehicle jack are lo‐
cated at the positions shown.
Jacking up the vehicle
Preparing the vehicle
1. Hold the vehicle jack with one hand, ar‐
row 1, and grasp the crank, arrow 2, with
the other hand.
▷
Change the wheel as far away as possible
from passing traffic.
▷
Park the vehicle on solid, non-slip and level
ground.
WARNING
Hands and fingers can be jammed
when using the vehicle jack. There is a risk
of injury. Comply with the described hand
▷
▷
▷
▷
Switch on the hazard warning system.
Set the parking brake.
Engage a gear or selector lever position P.
As soon as permitted by the traffic flow,
have all vehicle occupants get out of the
vehicle and ensure that they remain out‐
213
Mobility
Wheels and tires
position and do not change this position
while using the vehicle jack.◀
4. Make sure that the vehicle jack foot is ex‐
tended vertically.
5. Make sure that the vehicle jack foot stands
vertically and perpendicularly beneath the
jacking point after extending the vehicle
jack.
2. Insert the vehicle jack into the rectangular
recess of the jacking point closest to the
wheel to be changed.
3. Extend the vehicle jack by turning the
crank clockwise.
6. Crank up the vehicle jack until the entire
surface of the jack is in contact with the
ground and the wheel in question is raised
a maximum of 1.2 inches/3 cm off the
ground.
Wheel mounting
Mount a maximum of one emergency wheel.
1. Unscrew the lug bolts and remove the
wheel.
2. Put the new wheel or emergency wheel on
and hand-tighten at least two bolts in a
crosswise pattern.
If non-original light-alloy wheels of the ve‐
hicle manufacturer are mounted, the ac‐
companying lug bolts may have to be used
as well.
3. Hand-tighten the remaining lug bolts and
tighten all bolts well in a crosswise pattern.
214
Wheels and tires
Mobility
4. Turn the crank of the vehicle jack counter‐
clockwise to retract the vehicle jack and
lower the vehicle.
5. Remove the vehicle jack.
After the wheel change
1. Tighten the lug bolts crosswise. The tight‐
ening torque is 101 lb ft/140 Nm.
2. Stow the nonworking wheel in the cargo
area.
The nonworking wheel cannot be stored
under the cargo floor panel because of its
size.
3. Check tire inflation pressure at the next op‐
portunity and correct as needed.
4. Reinitialize the Flat Tire Monitor.
Reset the Tire Pressure Monitor.
5. Check to make sure the lug bolts are tight
with a calibrated torque wrench.
6. Drive to the nearest dealer’s service center
or another qualified service center or repair
shop to have the damaged tire replaced.
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