2016-2021 BMW M2 2 Door MOBILITY -> Wheels and tires User Manual
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MOBILITY -> Wheels and tires for Your BMW M2 2 Door First Generation (2016-2021)

Wheels and tires  
MOBILITY  
Wheels and tires  
Tire inflation pressure  
specifications  
Vehicle features and  
options  
In the tire inflation pressure table  
The tire inflation pressure table, refer to  
page 213, contains all tire inflation pressure  
specifications for the specified tire sizes at the  
ambient temperature. The tire inflation pressure  
values apply to tire sizes approved by the manu‐  
facturer of the vehicle for the vehicle type.  
This chapter describes all standard, country-spe‐  
cific 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 us‐  
ing these functions and systems, the applicable  
laws and regulations must be observed.  
To identify the correct tire inflation pressure,  
please note the following:  
▷ Tire sizes of your vehicle.  
Tire inflation pressure  
▷ Maximum permitted driving speed.  
General information  
The tire inflation pressure and tire characteristics  
influence the following:  
Checking the tire inflation  
pressure  
▷ The service life of the tires.  
▷ Road safety.  
General information  
Tires heat up while driving. The tire inflation  
pressure increases with the tire temperature.  
▷ Driving comfort.  
Tires have a natural, consistent loss of tire infla‐  
tion pressure.  
▷ Driving dynamics.  
▷ Fuel consumption.  
The displays of inflation devices may under-read  
by up to 0.1 bar/2 psi.  
Safety information  
Checking using tire inflation  
pressure specifications in the tire  
inflation pressure table  
The tire inflation pressure specifications in the  
tire inflation pressure table only relate to cold  
tires or tires at the same temperature as the am‐  
bient temperature.  
WARNING  
A tire with too little or no tire inflation pressure  
may heat up significantly and sustain damage.  
This will have a negative impact on aspects of  
handling, such as steering and braking re‐  
sponse. There is a risk of an accident. Regularly  
check the tire inflation pressure, and correct it  
as needed, for instance twice a month and be‐  
fore a long trip.  
Only check the tire inflation pressure levels when  
the tires are cold, i.e.:  
▷ Driving range of max. 1.25 miles/2 km has not  
been exceeded.  
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Wheels and tires  
MOBILITY  
▷ If the vehicle has not moved again for at least  
2 hours after a trip.  
Tire inflation pressure values up  
to 100 mph/160 km/h  
1. Determine, refer to page 212, the intended  
tire inflation pressure levels for the mounted  
tires.  
M2 Competition  
Tire size  
Pressure specifications  
in bar/PSI  
2. Check the tire inflation pressure in all four  
tires, using a pressure gage, for example.  
3. Correct the tire inflation pressure if the cur‐  
rent tire inflation pressure value deviates from  
the specified value.  
Specifications in  
bar/PSI with  
cold tires  
4. Check whether all valve caps are screwed  
onto the tire valves.  
235/40 R 18 95 2.3 / 33  
V M+S XL Std  
2.4 / 35  
2.5 / 36  
-
After correcting the tire inflation  
pressure  
For run-flat tires: reinitialize run-flat tires.  
235/35 R 19 91 2.6 / 38  
V M+S XL Std  
For the Tire Pressure Monitor TPM: reset the  
Tire Pressure Monitor TPM.  
Front: 245/35 R 2.4 / 35  
19 93 (Y) XL Std  
Rear: 265/35 R  
19 98 (Y) XL Std  
-
2.4 / 35  
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 tire inflation  
pressure values in the tire inflation pressure ta‐  
ble, refer to page 213, and adjust as necessary.  
Tire inflation pressures at max.  
speeds above 100 mph/160 km/h  
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 ex‐  
ceeding 100 mph/160 km/h from the relevant  
table on the following pages. Otherwise, tire  
damage and accidents could occur.  
For speeds over 100 mph/160 km/h and for opti‐  
mum driving comfort, note the pressure values in  
the tire inflation pressure table, refer to  
These tire inflation pressure values can also be  
found on the tire inflation pressure label on the  
driver's door pillar.  
page 213, and adjust as necessary.  
Do not exceed a speed of 100 mph/160 km/h.  
Tire inflation pressure values  
over 100 mph/160 km/h  
M2 Competition  
Without M Driver’s Package:  
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Wheels and tires  
MOBILITY  
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 %  
235/40 R 18 95 2.4 / 35  
V M+S XL Std  
2.8 / 41  
3.3 / 48  
-
R: radial tire code  
18: rim diameter in inches  
96: load rating, not for ZR tires  
Y: speed rating, before the R on ZR tires  
235/35 R 19 91 3.0 / 44  
V M+S XL Std  
Front: 235/40 R 2.4 / 35  
18 95 V M+S XL  
Std  
Maximum tire load  
Maximum tire load is the maximum permissible  
weight for which the tire is approved.  
Rear: 255/35 R  
18 94 V M+S XL  
Std  
-
2.8 / 41  
Locate the maximum tire load on the tire sidewall  
and the Gross Axle Weight Rating – GAWR – on  
the certification label on the driver’s door pillar.  
Front: 245/35 ZR 2.7 / 39  
19 93 (Y) XL Std  
-
Divide the tire load by 1.1. It must be greater  
than one-half of the vehicle’s Gross Axle Weight  
Rating – GAWR. Note, front vs. rear GAWR and  
tire loads, respectively.  
Rear: 265/35 ZR  
19 98 (Y) XL Std  
-
2.9 / 42  
With M Driver’s Package:  
Speed letter  
Tire size  
Pressure specifications in  
bar/PSI  
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  
Specifications  
in bar/PSI with  
cold tires  
Front: 245/35 2.8 / 41  
ZR 19 93 (Y)  
XL Std  
-
Rear: 265/35  
ZR 19 98 (Y)  
XL Std  
-
2.9 / 42  
Tire Identification Number  
DOT code: DOT xxxx xxx 2118  
xxxx: manufacturer code for the tire brand  
xxx: tire size and tire design  
2118: tire age  
Tires with DOT codes meet the guidelines of the  
U.S. Department of Transportation.  
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Wheels and tires  
MOBILITY  
Tire age  
Traction  
The traction grades, from highest to lowest, are  
AA, A, B, and C.  
Recommendation  
Regardless of the tire tread, replace tires at least  
every 6 years.  
Those grades represent the tire's ability to stop  
on wet pavement as measured under controlled  
conditions on specified government test surfa‐  
ces of asphalt and concrete. A tire marked C may  
have poor traction performance.  
Manufacture date  
You can find the manufacture date of the tire on  
the tire's sidewall.  
The traction grade assigned to this tire is based  
on straight-ahead braking traction tests, and  
does not include acceleration, cornering, hydro‐  
planing, or peak traction characteristics.  
Designation  
Manufacture date  
DOT … 2118  
21st week 2018  
Temperature  
Uniform Tire Quality Grading  
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 material of the  
tire to degenerate and reduce tire life, and exces‐  
sive temperature can lead to sudden tire failure.  
The grade C corresponds to a level of perform‐  
ance which all passenger vehicle tires must meet  
under the Federal Motor Vehicle Safety Standard  
No. 109. Grades Band A represent higher levels  
of performance on the laboratory test wheel than  
the minimum required by law.  
Quality grades can be found where applicable on  
the tire sidewall between tread shoulder and  
maximum section width.  
E.g.: Treadwear 200; Traction AA; Temperature  
A
DOT Quality Grades  
Treadwear  
Traction AA A B C  
Temperature A B C  
All passenger vehicle tires must conform to Fed‐  
eral Safety Requirements in addition to these  
grades.  
WARNING  
Treadwear  
The temperature grade for this tire is estab‐  
lished for a tire that is properly inflated and not  
overloaded. Excessive speed, underinflation, or  
excessive loading, either separately or in com‐  
bination, can cause heat buildup and possible  
tire failure.  
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, however, and  
may depart significantly from the norm due to  
variations in driving habits, service practices and  
differences in road characteristics and climate.  
M+S  
Winter and all-season tires with better cold  
weather performance than summer tires.  
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Wheels and tires  
MOBILITY  
pecially if your vehicle is equipped with low-pro‐  
file tires.  
Tire tread  
Indications of tire damage or other vehicle mal‐  
functions:  
Summer tires  
Do not drive with a tire tread of less than  
0.12 in/3 mm, otherwise there is an increased  
risk of hydroplaning.  
▷ Unusual vibrations.  
▷ Unusual tire or running noises.  
▷ Unusual handling such as a strong tendency  
to pull to the left or right.  
Winter tires  
Do not drive with a tire tread of less than  
0.16 in/4 mm, as such tires are less suitable for  
winter operation.  
Damage can be caused by the following situa‐  
tions, for instance:  
▷ Driving over curbs.  
▷ Road damage.  
Minimum tread depth  
▷ Tire inflation pressure too low.  
▷ Vehicle overloading.  
▷ Incorrect tire storage.  
Safety information  
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 sus‐  
pected while driving, immediately reduce speed  
and stop. Have wheels and tires checked. For  
this purpose, drive carefully to the nearest deal‐  
er’s service center or another qualified service  
center or repair shop. Have vehicle towed or  
transported as needed. Do not repair damaged  
tires, but have them replaced.  
Wear indicators are distributed around the tire's  
circumference and have the legally required min‐  
imum height of 0.063 inches/1.6 mm.  
The positions of the wear indicators are marked  
on the tire sidewall with TWI, Tread Wear Indica‐  
tor.  
Tire damage  
WARNING  
General information  
Tires can become damaged by driving over ob‐  
stacles, e.g., curbs or road damage, at high  
speed. Larger wheels have a smaller tire cross-  
section. The smaller the tire cross-section, the  
higher the risk of tire damage. There is a dan‐  
ger of accidents and property damage. If possi‐  
ble, drive around obstacles, or drive over them  
slowly and carefully.  
Inspect your tires regularly for damage, foreign  
objects lodged in the tread, and tread wear.  
Driving over rough or damaged road surfaces, as  
well as debris, curbs and other obstacles can  
cause serious damage to wheels, tires and sus‐  
pension parts. This is more likely to occur with  
low-profile tires, which provide less cushioning  
between the wheel and the road. Be careful to  
avoid road hazards and reduce your speed, es‐  
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MOBILITY  
wheel/tire combination remounted on the vehi‐  
cle as soon as possible.  
Changing wheels and tires  
Mounting  
Have mounting and wheel balancing carried out  
by a dealer’s service center or another qualified  
service center or repair shop.  
Recommended tire brands  
Wheel and tire combination  
General information  
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.  
For each tire size, the manufacturer of the vehi‐  
cle recommends certain tire brands. The tire  
brands can be identified by a star on the tire  
sidewall.  
Safety information  
WARNING  
New tires  
Wheels and tires which are not suitable for your  
vehicle can damage parts of the vehicle, for in‐  
stance due to contact with the body due to tol‐  
erances 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.  
Tire traction is not optimal due to manufacturing  
circumstances when tires are brand-new; they  
achieve their full traction potential after a break-in  
time.  
Drive conservatively for the first  
200 miles/300 km.  
Retreaded tires  
WARNING  
WARNING  
Retreaded tires can have different tire casing  
structures. With advanced age the service life  
can be limited. There is a risk of an accident.  
The manufacturer of your vehicle does not rec‐  
ommend the use of retreaded tires.  
Incorrect wheel/tire combinations will have a  
negative impact on the vehicle's handling and  
on the function of a variety of systems, such as  
the Anti-lock Brake System or Dynamic Stabil‐  
ity Control. There is a risk of an accident. To  
maintain good handling and vehicle response,  
use only tires with a single tread configuration  
from a single manufacturer. The manufacturer  
of the vehicle recommends that you use  
The manufacturer of your vehicle does not rec‐  
ommend the use of retreaded tires.  
wheels and tires that have been recommended  
by the vehicle manufacturer for your vehicle  
type. Following tire damage, have the original  
Winter tires  
Winter tires are recommended for operating on  
winter roads.  
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MOBILITY  
Although so-called all-season M+S tires provide  
better winter traction than summer tires, they  
usually do not provide the same level of perform‐  
ance as winter tires.  
Repairing a flat tire  
Safety measures  
▷ Park the vehicle as far away as possible from  
passing traffic and on solid ground.  
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 label showing the permissible maxi‐  
mum speed in the field of view. The label is avail‐  
able from a dealer’s service center or another  
qualified service center or repair shop.  
▷ Switch on the hazard warning system.  
▷ Secure the vehicle against rolling away by  
setting the parking brake.  
▷ Turn the steering wheel until the front wheels  
are in the straight-ahead position and engage  
the steering wheel lock.  
With winter tires mounted, observe and do not  
exceed the permissible maximum speed.  
▷ Have all vehicle occupants get out of the ve‐  
hicle and ensure that they remain outside the  
immediate area in a safe place, such as be‐  
hind a guardrail.  
Rotating wheels between axles  
The manufacturer of your vehicle advises against  
switching wheels between the front and rear  
axles. This can impair the handling characteris‐  
tics.  
▷ If necessary, set up a warning triangle at an  
appropriate distance.  
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.  
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.  
Storing tires  
Air pressure  
Do not exceed the maximum tire inflation pres‐  
sure indicated on the side wall of the tire.  
General information  
▷ Follow the instructions on using the Mobility  
System found on the compressor and sealant  
container.  
Storage  
Store wheels and tires in a cool, dry and dark  
place.  
▷ Use of the Mobility System may be ineffec‐  
tive if the tire puncture measures approx.  
1/8 inches/4 mm or more.  
Always protect tires against all contact with oil,  
grease, and solvents.  
Do not leave tires in plastic bags.  
Remove dirt from wheels or tires.  
▷ Contact a dealer’s service center or another  
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. Only remove foreign  
objects if they are visibly protruding from the  
tire.  
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▷ Pull the speed limit sticker off the sealant  
container and apply it to the steering wheel.  
5
6
7
On/off switch  
Tire pressure gage  
▷ The use of a sealant can damage the TPM  
wheel electronics. In this case, have the TPM  
wheel electronics replaced at the next oppor‐  
tunity.  
Reduce tire inflation pressure button  
Safety measures  
▷ Park the vehicle as far away as possible from  
passing traffic and on solid ground.  
▷ The compressor can be used to check the  
tire inflation pressure.  
▷ Switch on the hazard warning system.  
Storage  
▷ Secure the vehicle against rolling away by  
setting the parking brake.  
The Mobility System is located under the cargo  
floor panel.  
▷ Turn the steering wheel until the front wheels  
are in the straight-ahead position and engage  
the steering wheel lock.  
Sealant container  
▷ Have all vehicle occupants get out of the ve‐  
hicle and ensure that they remain outside the  
immediate area in a safe place, such as be‐  
hind a guardrail.  
▷ If necessary, set up a warning triangle at an  
appropriate distance.  
Filling the tire with sealant  
Safety information  
▷ Sealant container, arrow 1.  
▷ Filling hose, arrow 2.  
Observe use-by date on the sealant container.  
DANGER  
If the exhaust pipe is blocked or ventilation is in‐  
sufficient, harmful exhaust gases can enter into  
the vehicle. The exhaust gases contain pollu‐  
tants which are colorless and odorless. In en‐  
closed areas, exhaust gases can also accumu‐  
late outside of the vehicle. There is danger to  
life. Keep the exhaust pipe free and ensure suf‐  
ficient ventilation.  
Compressor  
NOTICE  
The compressor can overheat during extended  
operation. There is a risk of damage to prop‐  
erty. Do not run the compressor for more than  
10 minutes.  
1
2
3
4
Sealant container holder  
Compressor  
Connector/cable for socket  
Connection hose  
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MOBILITY  
4. Insert the sealant container on the compres‐  
sor housing in an upright position.  
Filling  
1. Shake the sealant container.  
5. Remove the valve cap from the tire valve and  
screw the filling hose of the sealant container  
onto the tire valve of the nonworking wheel.  
2. Pull the connection hose fully out of the com‐  
pressor housing. Do not kink the hose.  
3. Screw the connection hose onto the connec‐  
tor of the sealant container.  
6. With the compressor switched off, insert the  
plug into the power socket inside the vehicle.  
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MOBILITY  
7. With the ignition switched on or the engine  
running, switch on the compressor.  
This prevents leftover sealant escaping from  
the sealant container.  
5. Wrap and store the sealant container in suita‐  
ble material to avoid dirtying the cargo area.  
6. Stow the Mobility System back in the cargo  
area.  
Distributing the sealant  
Immediately drive approx. 5 miles/10 km to en‐  
sure that the sealant is evenly distributed in the  
tire.  
Let the compressor run for max. 10 minutes to fill  
the tire with sealant and achieve a tire inflation  
pressure of approx. 2.5 bar.  
Do not exceed the permissible maximum speed  
of 50 mph/80 km/h.  
If possible, do not drive at speeds less than  
12 mph/20 km/h.  
While the tire is being filled with sealant, the tire  
inflation pressure may sporadically reach approx.  
5 bar. Do not switch off the compressor at this  
point.  
Correcting the tire inflation  
pressure  
If a tire inflation pressure of 2 bar is not reached:  
1. Switch off the compressor.  
1. Stop at a suitable location.  
2. Screw the connection hose of the compres‐  
sor directly onto the tire valve stem.  
2. Pull the connector out of the power socket  
inside the vehicle.  
3. Insert the connector into the power socket in‐  
side the vehicle.  
3. Unscrew the filling hose from the tire valve.  
4. Drive 33 ft/10 m forward and back to distrib‐  
ute the sealant in the tire.  
4. Correct the tire inflation pressure to 2.5 bar.  
▷ Increase tire inflation pressure: with the ig‐  
nition switched on or the engine running,  
switch on the compressor.  
5. Inflate the tire again using the compressor.  
If a tire inflation pressure of 2 bar cannot be  
reached, contact your dealer’s service center  
or another qualified service center or repair  
shop.  
▷ Reduce tire inflation pressure: press the  
button on the compressor.  
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 tire valve.  
Reinitialize the run-flat tires.  
2. Pull the compressor connector out of the  
socket inside the vehicle.  
Reset the Tire Pressure Monitor TPM.  
Replace the nonworking tire and the sealant con‐  
tainer of the Mobility System at the next opportu‐  
nity.  
3. Unscrew the connection hose of the com‐  
pressor from the sealant container.  
4. Connect the filling hose of the sealant con‐  
tainer previously connected to the tire valve  
with the available connector on the sealant  
container.  
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Do not reset the Tire Pressure Monitor TPM af‐  
ter mounting snow chains, as doing so may re‐  
sult in incorrect readings.  
Snow chains  
Safety information  
WARNING  
When driving with snow chains, if needed, briefly  
activate M Dynamic Mode.  
Maximum speed with snow  
chains  
Do not exceed a speed of 30 mph/50 km/h when  
using snow chains.  
With the mounting of snow chains on unsuita‐  
ble tires, the snow chains can come into con‐  
tact with vehicle parts. There is a risk of acci‐  
dents or risk of damage to property. Only  
mount snow chains on tires that are designated  
by their manufacturer as suitable for the use of  
snow chains.  
Changing wheels/tires  
General information  
WARNING  
When a flat tire kit is used, an immediate wheel  
change when there is a loss of tire inflation pres‐  
sure in the event of a flat tire is not always neces‐  
sary.  
Insufficiently tight snow chains may damage  
tires and vehicle components. There is a risk of  
accidents or risk of damage to property. Make  
sure that the snow chains are always suffi‐  
ciently tight. Re-tighten as needed according to  
the snow chain manufacturer's instructions.  
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.  
Fine-link snow chains  
Safety information  
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.  
DANGER  
The vehicle jack is only provided for short-term  
lifting of the vehicle for wheel changes. Even if  
all safety measures are observed, there is a risk  
of the raised vehicle falling, if the vehicle jack  
tips 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.  
Information regarding suitable snow chains is  
available from a dealer’s service center or an‐  
other qualified service center or repair shop.  
Use  
Use only in pairs on the rear wheels, equipped  
with the tires of the following size:  
DANGER  
▷ 235/40 R 18.  
Supports such as wooden blocks under the ve‐  
hicle jack reduce the capacity of the vehicle  
jack to bear weight. They have the potential to  
exert too much strain on the vehicle jack, caus‐  
ing it to tip over and the vehicle to fall. There is  
Follow the snow chain manufacturer's instruc‐  
tions.  
Do not initialize the run-flat tires after mounting  
snow chains, as doing so may result in incorrect  
readings.  
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MOBILITY  
a risk of injuries or danger to life. Do not place  
supports under the vehicle jack.  
WARNING  
A vehicle that is raised on a vehicle jack may fall  
off of the jack if lateral forces are exerted on it.  
There is a risk of injury and risk of damage to  
property. While the vehicle is raised, do not ex‐  
ert lateral forces on the vehicle or pull abruptly  
on the vehicle. Have a stuck wheel removed by  
a dealer’s service center or another qualified  
service center or repair shop.  
WARNING  
The jack, issued by the vehicle manufacturer, is  
provided in order to perform a wheel change in  
the event of a breakdown. The jack is not de‐  
signed for frequent use; for example, changing  
from summer to winter tires. Using the jack fre‐  
quently may cause it to become jammed or  
damaged. There is a risk of injury and risk of  
damage to property. Only use the jack to attach  
an emergency or spare wheel in the event of a  
breakdown.  
Securing the vehicle against  
rolling  
General information  
The vehicle manufacturer recommends to addi‐  
tionally secure the vehicle against rolling away  
when changing a wheel.  
WARNING  
On soft, uneven or slippery ground, for example  
snow, ice, tiles, etc., the vehicle jack can slip  
away. There is a risk of injury. If possible,  
change the wheel on a flat, solid, and slip-re‐  
sistant surface.  
On a level surface  
WARNING  
The vehicle jack is optimized for lifting the vehi‐  
cle 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.  
Place chocks or other suitable objects, for exam‐  
ple a rock, in front of and behind the wheel that is  
diagonally opposite to the wheel that you wish to  
change.  
WARNING  
If the vehicle jack is not inserted into the jacking  
point provided for this purpose, the vehicle may  
be damaged or the vehicle jack may slip when  
it is being cranked up. There is a risk of injury or  
risk of damage to property. When cranking up  
the vehicle jack, ensure that it is inserted in the  
jacking point next to the wheel housing.  
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Wheels and tires  
MOBILITY  
3. Remove the adapter after unscrewing the lug  
bolt.  
On a slight downhill gradient  
Screwing on  
1. Attach the adapter to the lug bolt. If neces‐  
sary, turn the adapter until it fits on the lug  
bolt.  
2. Screw on the lug bolt. The tightening torque  
is 140 Nm.  
3. Remove the adapter and stow it after screw‐  
ing on the lug bolt.  
If you need to change a wheel on a slight down‐  
hill grade, place chocks and other suitable ob‐  
jects, for instance a rock, under the wheels of  
both the front and rear axles against the rolling  
direction.  
Preparing the vehicle  
▷ Park the vehicle on solid and non-slip ground  
at a safe distance from traffic.  
▷ Switch on the hazard warning system.  
▷ Set the parking brake.  
Lug bolt lock  
Concept  
The wheel lug bolts have a special coding. The  
lug bolts can only be released with the adapter  
which matches the coding.  
▷ Engage a gear or move the selector lever to  
position P.  
▷ As soon as permitted by the traffic flow, have  
all vehicle occupants get out of the vehicle  
and ensure that they remain outside the im‐  
mediate area in a safe place, such as behind a  
guardrail.  
Overview  
The adapter of the lug bolt lock is in the onboard  
vehicle tool kit or in a storage compartment close  
to the onboard vehicle tool kit.  
▷ Depending on the vehicle equipment, get  
wheel change tools and, if necessary, the  
emergency wheel from the vehicle.  
▷ If necessary, set up a warning triangle or port‐  
able hazard warning light at an appropriate  
distance.  
▷ Secure the vehicle additionally against rolling.  
▷ Loosen the lug bolts a half turn.  
▷ Lug bolt, arrow 1.  
▷ Adapter, arrow 2.  
Unscrewing  
1. Attach the adapter to the lug bolt.  
2. Unscrew the lug bolt.  
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Wheels and tires  
MOBILITY  
Jacking points for the vehicle  
jack  
Jacking up the vehicle  
WARNING  
Hands and fingers can be jammed when using  
the vehicle jack. There is a risk of injury. Com‐  
ply with the described hand position and do not  
change this position while using the vehicle  
jack.  
1. Hold the vehicle jack with one hand, arrow 1,  
and grasp the vehicle jack crank with your  
other hand, arrow 2.  
The jacking points for the vehicle jack are lo‐  
cated at the indicated positions.  
2. Insert the vehicle jack into the rectangular re‐  
cess of the jacking point closest to the wheel  
to be changed.  
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Wheels and tires  
MOBILITY  
3. Extend the vehicle jack by turning the vehicle  
jack crank or lever clockwise.  
Mounting a wheel  
Mount one emergency wheel only, as required.  
1. Unscrew the lug bolts.  
2. Remove the wheel.  
3. Put the new wheel or emergency wheel on  
and screw in at least two lug bolts in a cross‐  
wise pattern until hand-tight.  
If non-original light-alloy wheels of the vehicle  
manufacturer are mounted, the accompany‐  
ing lug bolts may have to be used as well.  
4. Take your hand away from the vehicle jack as  
soon as the vehicle jack is under load and  
continue turning the vehicle jack crank or  
lever with one hand.  
4. Hand-tighten the remaining lug bolts and  
tighten all lug bolts well in a crosswise pat‐  
tern.  
5. Turn the vehicle jack crank counterclockwise  
to retract the vehicle jack and lower the vehi‐  
cle.  
5. Make sure that the vehicle jack foot stands  
vertically and at a right angle beneath the  
jacking point.  
6. Remove the vehicle jack and stow it securely.  
After the wheel change  
1. Tighten the lug bolts crosswise. The tighten‐  
ing torque is 101 lbs ft/140 Nm.  
2. Stow the nonworking wheel in the cargo area,  
if necessary.  
The nonworking wheel cannot be stored un‐  
der the cargo floor panel because of its size.  
3. Check tire inflation pressure at the next op‐  
portunity and correct as needed.  
6. Make sure that the vehicle jack foot stands  
vertically and perpendicularly beneath the  
jacking point after extending the vehicle jack.  
4. Reinitialize the run-flat tires.  
Reset the Tire Pressure Monitor TPM.  
5. Check to make sure the lug bolts are tight  
with a calibrated torque wrench.  
6. Have the damaged tire replaced at the near‐  
est dealer’s service center or another quali‐  
fied service center or repair shop.  
7. Crank up the vehicle jack until the entire sur‐  
face of the jack is in contact with the ground  
and the wheel in question is raised a maxi‐  
mum of 1.2 inches/3 cm off the ground.  
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