2011 MERCEDES-BENZ M-CLASS SUV Owners Manual

A
Jack
B Ratchet rin gspanner "M
inispare" emergency spare wheel
The "Minispare" emergency spar ewheel can
be fou ndin th estowage well unde rthe lug-
gage compartmen tfloor.
X Lif tthe luggage compar tment floor up
(Y page 30 5). X
Tur nemergency spare whee lretainer ;
anti-clockwise and rem ove it.
X Remove "Minis pare" emergency spare
wheel :.
For fur ther information on changing awheel
and fittin gthe spar ewheel, see
(Y page 33 4). Flat tyre
Preparing th
evehicle
Your vehicle may be equipped with:
R aT IREFIT kit
R an eme rgency spare wheel
R MOExtende dtyre s(tyres with run-flat char-
acteristics) (Y page 342)
i Vehicle preparation is not necessary on
vehicles with MOExtended tyres.
i Vehicles with MOExtended tyre sare not
equippe dwithaTIREFIT kit at th efactory. It is therefore recommended that you addi-
tionally equip your vehicle with
aTIREFIT kit
if yo ufit tyre sthat do not fea ture run-flat
prope rties, e.g. winter tyres. ATIREFIT kit
can be obtaine dfrom aMercedes-Benz
Servic eCentre.
X Make sure that highway level is selec-
ted 22
(Y page 183).
X Stop the vehicle as far away as possible
from traffic on solid, non-slippery and level
ground.
X Switch on the hazar dwarning lamps.
X Apply the electric parking brake manually
(Y page 161).
X Bring the front wheels into the straight-
ahead position.
X Move the DIRECT SELECT lever to P.
X Switch off the engine.
X Vehicles without KEYLESS-GO: remove
the key from the ignition lock.
X Vehicles with KEYLESS-GO: open the
driver' sdoor.
The on-boar delectronics have status 0,
which is the same as the key having been
removed.
X Vehicles with KEYLESS-GO: removethe
Star t/Stop butto nfrom th eignition lock
(Y page 139).
X All occupants must get out of the vehicle.
Make sure that they ar enot endangered as
they do so.
X Make sure that no one is near the danger
area whilst awheel is being changed. Any-
one who is not directly assisting in the
wheel change should, for example, stand
behind the barrier.
X Get out of the vehicle. Pay attention to traf-
fic condition swhen doing so.
X Close the driver's door.
22 Vehicles wit hthe ON&OFFROAD package. 334
Flat tyreBreakdown assistance

X
Place the warnin gtriangl e(Ypage 332) a
suitable distanc eaway. Observe legal
requirements.
X Unload heavy luggage.
i Only operate the tyre inflation compres-
sor using a12Vsocket (Y page 309), even
if the ignition is turned off.
An emergenc ycut-off ensures that the on-
board voltage does not drop too low. If the
on-board voltage is too low, the power to
the sockets is automatically cut. This
ensures that there is sufficient power to
start the engine. TIREFIT kit
Usin gthe TIREFIT kit Yo
uc an use the TIREFI Tkit to seal small
punctures, particularly those in the tyre tread.
You can use TIREFIT at outside temperatures
down to Ò20†. G
WARNING
In the followin gsituations, your safety is at
particular risk as tyre sealant is unable to pro-
vide sufficient breakdown assistance:
R there are cuts or punctures in the tyre
greater than 4mm.
R thew heel rim is damaged.
R you hav edrive natv ery low tyr epressures
or on aflat tyre.
Do not drive any further. Consult aqualified
specialist workshop which has the necessary
specialist knowledg eand tool stocarry out
the work required.
Mercedes-Benz recommends that you use a
Mercedes-Benz Servic eCentr efor this pur-
pose. In particular ,work relevant to safet yor
on safety-related system smust be carried out
at aq ualified specialist workshop. X
Do not remove any foreign objects which
have penetrated the tyre, e.g. screws or
nails.
X Remove the tyre sealant bottle, the accom-
panying "max. 80 km/h" sticker and the
tyre inflation compresso rfrom th estowage
well underneath the luggage compartment
floor (Y page 333). X
Affix part :of the sticker withi nthe driv-
er' sfield of vision.
X Affix part ;of the sticker near the valve
on the wheel with the defectiv etyre. G
WARNING
TIREFIT must not come into contact with your
skin, eyes or clothing.
R If TIREFIT comes into contact with your
eyes or skin, immediately rinse thoroughly
with clean water.
R Change out of clothing which has come into
contact with TIREFIT immediately.
R If an allergic reaction occurs, consult adoc-
tor immediately.
Keep TIREFI Taway from children.
R If TIREFI Tiss wallowed, immediately rinse
your mouth out thoroughly and drink plenty
of water.
R Do not induce vomiting. Consult adoctor
immediately.
R Do not inhal eTIREFIT fumes.
i If TIREFIT leaks out, allo wittod ry. It can
then be removed like alayer of film. Flat tyre
335Breakdown assistanc e Z

If yo
uget TIREFI Tonyour clothing, have it
cleaned as soo naspossible with perchloro-
ethylene. X
Pull plug ?with the cabl eand hose Aout
of the housing.
X Screw hose Aontoflange Bof tyre seal-
ant bottle :.
X Place tyre sealant bottle :head down-
wards int orecess ;of the tyr einflation
compressor. X
Remove the cap fro mvalve Con the faulty
tyre.
X Screw filler hose Dontovalve C.
X Insert plug ?into the 12 Vsocket
(Y page 309).
X Tur nthe key to position 1(Y page 139) in
the ignition lock.
X Press on/of fswitch =on the tyr einflation
compressor to I.
The tyr einflation compressor is switched
on. The tyre is inflated. i
First ,TIREFIT is pumpe dinto the tyre. The
pressure can briefly rise to approximately
500 kPa (5 bar/73 psi).
Do not switch off the tyr einflation com-
pressor du ring this phase.
X Allow the tyr einflation compresso rtor un
for five minutes. The tyre should then have
attained apressure of at leas t180 kPa
(1.8 bar/26 psi).
! Do not operat ethe tyr einflation com-
presso rfor longer than eight minutes at a
tim ew ithout abreak. It may otherwise
overheat.
Th et yre inflation compressor can be oper-
ated again once it has coole ddown.
If ap ressure of 180 kPa (1.8 bar/26 psi) has
been achieved afte rfive minutes, see
(Y page 337).
If ap ressure of 180 kPa (1.8 bar/26 psi) has
not been achieved afte rfive minutes, see
(Y page 336).
Tyr epressure of at least 180 kPa
(1.8 bar/26 psi) not reached If, after five minutes,
apressure of 180 kPa
(1.8 bar/26 psi) ha snot been achieved:
X Switch off the tyr einflation compresso r.
X Un screw the filler hose from the valv eof
the faulty tyre.
X Very slowly drive forwards or reverse
approximately 10 m.
X Pump up the tyre again. G
WARNING
If after five minutes apressure of 180 kPa
(1.8 bar/26 psi) cannot be achieved ,the tyre
is too severel ydamaged.
Do not drive any further. Consult aqualified
specialist workshop which has the necessary
specialist knowledge and tools to carry out
the work required. Mercedes-Benz recom-
mends that you use aMercedes-Ben zService
Centr efor this pur pose.Inp articular, work
relevant to safety or on safety-related sys- 336
Flat tyreBreakdown assistance

tems mus
tbec arrie dout at aquali fieds pe-
cialist workshop.
Ty re pressure of 180 kPa (1.8 bar/
26 psi) is reached X
Switch off the tyre inflation compressor.
X Unscrew the fille rhose from the valve of
the faulty tyre.
! Afteru se, excess TIREFIT ma yrun out of
the filler hose. This may cause stains.
Therefore, place the filler hos einthe plastic
bag whic hcontained the TIREFIT kit.
X Stow the tyr esealan tbottle, the tyr einfla-
tion compresso rand the warning triangle.
X Pull away immediately. G
WARNING
Do not exceed the maximum speed of
80 km/h.
The "max. 80 km/h" labe lmust be affixed in
the driver's field of vision.
The vehicle's handling characteristic smay be
affected.
X Stop after driving for approximately ten
minutes and check the tyre pressure with
the tyre inflation compressor. G
WARNING
If the tyre pressure is less than 130 kPa
(1.3 bar/2 0psi), the tyr eistoo severely dam-
aged. Do not driv eany further. Consult a
qualified specialis tworkshop which has the
necessary specialist knowledge and tools to
carry out the work required .Mercedes-Benz
recommends that you use aMercedes-Benz
Ser vice Centre for thi spurpose. In particular,
work relevant to safety or on safety-related
systems must be carried out at aqualified
specialist workshop.
X Correct the tyre pressure if it is still at least
130 kPa (1.3 bar/20 psi) (for the values,
see the fuel filler flap). X
To increase the tyr epressure: switchon
the tyre inflation compressor. E
Pressure releas ebutton
F Pressure gauge
X To reduce the tyr epressur e:press pres-
sure release button Eon the filler hose.
X Stow the tyr esealan tbottle, the tyr einfla-
tion compresso rand the warning triangle.
X Drive to the neares tworkshop and have the
tyr ec hange dthere.
X Hav ethe tyr esealan tbottle replaced as
soon as possible at aqualified specialist
workshop, e.g. at aMercedes-Benz Ser vice
Centre. H
Environmental note
Have the use dtyre sealant bottle dispose dof
professionally, e.g. at aMercedes-Benz
Ser vice Centre.
X Have the tyre sealant bottle replaced every
four years at aqualified specialist work-
shop, e.g. aMercedes-Benz Ser vice
Centre. Changing
awhee land fitting th espare
wheel
Preparing the vehicle G
WARNING
The wheel and tyre size of the emergency
spare wheel/s pare wh eelm ay differ to tha tof
the damaged wheel. Whe nusing an emer- Flat ty
re
337Breakd ownassistance
Z

genc
yspare wheel/spar ewheel the handling
characteristic softhe vehicle ma ychange.
Adap tyour style of driving accordingly.
Never operate the vehicle with mor ethan one
emergenc yspare wheel/spar ewheel that dif-
fer sins ize.
Only use an emergenc yspare wheel/spare
wheel of adiffering size briefly and do not
switch off ESP ®
.
When using an emergenc yspare wheel you
must not exceed the maximum speed of
80 km/h. G
WARNING
Hav ethe emergenc yspare wheel/spare
wheel replaced with anew wheel as soon as
possible at aqualified specialist workshop
which has the necessary specialist knowledge
and tools to carry out the work required.
Mercedes-Benz recommends that you use a
Mercedes-Benz Service Centre for this pur-
pose .Inp articular, work relevant to safety or
on safety-related systems must be carried out
at aq ualified specialist workshop.
i Vehicles withou tanemergency spare
wheel/spare whee lare not equippe dwith
wheel-changing tools at the factory. For
more information on which tools are
required to perfor mawheel change on your
vehicle, e.g. wheel chock ,wheel wrenc hor
centring pin, consult aMercedes-Benz
Servic eCentre.
X Prepar ethe vehicle as described
(Y page 334).
X Ifat railer is coupled to th evehicle, uncou-
ple it.
X Remov ethe followin gitems (depending on
the vehicle's equipment) from the stowage
well under the luggage compartment floor:
R the emergency spare wheel 23
R the whee lwrench
R thef olding wheel chock
R the jack R
the ratchet rin gspanner
R the centrin gpin
X Secur ethe vehicle to preven titfrom rolling
awa y.
Se curing the vehicle to prevent it from
rolling away If your vehicle is equippe
dwithaw heel choc k,
it can be found in the vehicle tool kit
(Y page 333).
The folding wheel chock is an additional
securing measure to prevent the vehicle from
rolling away, for example when changing a
wheel. X
Fold both plates upwards :.
X Fold out lower plate ;.
X Guide the lugs on the lower plate fully into
the openings in base plate =. Securing the vehicle on level ground
X
On level ground: place chocksorother
suitable items under the front and rear of
23 Vehicles with an emergenc yspare wheel. 338
Flat tyreBreakdown assistance

the whee
lthat is diagona llyo pposite the
wheel you wish to change. Securing the vehicle on slight downhil
lgradients
X On downhill gradients: place chocks or
othe rsuitabl eitems in front of the wheels
of the front and rear axle.
Raisin gthe vehicle G
WARNING
Th ejack is intended only for lifting the vehicle
briefly for wheel changes.
The vehicle must be placed on stands if you
intend to work under it.
Make sure that the jack is placed on afirm,
non-slip, level surface. Do not use wooden
blocks or similar objects as ajack underlay.
The vehicle could otherwise slip off the jack
and seriousl yinjure you.
Do not start the engine at any time whil ethe
wheel is being changed.
Do not lie unde rthe vehicle when it is being
supported by the jack. If you do not raise the
vehicle as described, it coul dslip off the jack
(e.g. if the engine is started or adoor or the
tailgate is opened or closed) and seriously
injure you. G
WARNING
If you fai ltoposition the jac kcorrectly, the
vehicle may:
R slip off the jack
R injure you or others
R be damaged. Therefore, mak
esure that the jack is posi-
tioned correctly in the respective jacking
points. Before positioning the jack, remove
any dirt that may have collected in the jacking
points. Pleas enote that you must position the
jac kint he openin gofthe jackin gpoint. X
Usin gwheel wrench :,loosen the bolts on
the wheel you wish to change by about one
full turn. Do not unscrew th ebolts com-
pletely.
The jacking points are locate djustb ehind the
fron twheel arches and just in front of the rear
wheel arches (arrows). X
Take the ratchet ring spanner out of the
vehicle tool kit and plac eitont he hexagon
nut of the jac ksothat the letters AUFare
visible. Flat ty
re
339Breakd ownassistance Z

X
Position jack =at jac king point ;.
The centering pin on the jack must be inser-
ted into the intended opening on the jack-
ing point. X
Make sure that the bas eofthe jac kisp osi-
tioned directly under the jac king point.
X Turn ratchet ring spanner ?until jack =
sits completely on jacking point ;and the
bas eofthe jac klies evenly on the ground.
X Turn ratchet ring spanner ?until the tyre
is raised amaximum of three centimetres
from the ground. Removing
awheel X
Unscre wthe uppermost wheel bolt com-
pletely.
X Screw centring pin :into the thread
instead of the wheel bolt.
X Unscrew the remaining wheel bolts fully.
! Do not place wheel bolts in sand or dirt.
The threads of the wheel bolts and wheel
hubs could otherwise be damaged when
the bolts are tightened.
X Remove the wheel.
Fitting anew wheel G
WARNING
Replac edamaged or corroded wheel bolts.
Never oil or grease wheel bolts. This could
cause the bolts to loosen in the wheel hub. G
WARNING
If aw heel hub thread is damaged, you must
not drive the vehicle any further. Consult a
qualified specialist workshop whic hhas the
necessary specialis tknowledge and tool sto
carry out the work required. Mercedes-Be nz
re commends that you use aMercedes-Benz
Ser vice Centre or Service 24h for thi spur-
pose .Inp articular, work relevant to safety or
on safety-related systems must be carried out
at aq ualified specialist workshop. G
WARNING
Only use wheel bolts that have been designed
for the wheel and the vehicle. For safety rea- 340
Flat tyreBreakdown assistance

sons, Mercedes-Benz recommends that you
only use wheel bolts whic hhave been
approved for Mercedes-Benz vehicles and the
respective wheel. Other wheel bolts could
work loos eordamage the brake system.
Do not tighten the wheel bolts completely
while the vehicle is still jacked up. The vehicle
could topple off the jack. :
Whee lbolts for all wheels supplied by the
factory
2 Wheel bolts for the "Minispare" emer-
genc yspare wheel
! Always use wheel bolts ;to fit the col-
lapsible emergency spare wheel. Using
other wheel bolts to fit the collapsible
emergency spare wheel could damage the
brak esystem.
X Clea nthe wheel and wheel hub con tact
surfaces. X
Slid ethe emergenc yspare wheel onto the
centrin gpin and push it on. X
Tighten the wheel bolts until they are fin-
ger-tight.
X Unsc rewt he cen tring pin.
X Tighten the last wheel bol tuntil it is finger-
tight.
Lowerin gthe vehicle X
Place th eratchet ring spanner onto the
hexago nnut of the jack so that the letters
AB are visible.
X Turn the ratchet ring spanner until the vehi-
cle is once again standing firmly on the
ground.
X Place the jack to one side. X
Tighten the wheel bolts evenly in across-
wis epattern in the sequence indicated
(: toA ). The tightening torque must be
150 Nm. G
WARNING
Have the tightening torque checked immedi-
ately after awheel is changed. The wheels
coul dwork loose if they are not tightened to
at orqu eof150 Nm.
X Turn the jack back to its initia lposition and
stor eitt ogether with the rest of the tyre-
change tool kit in the luggage compart-
ment.
Vehicles with an emergenc yspare wheel:
X Wrap the faulty wheel in the protec tive film
included with the emergenc yspare wheel Flat ty
re
341Breakd ownassistance Z