Jack support point,
rear axle (vehicles 5.0 t) #
Place the jack beneath the jack support
point. #
Vehicles with all-wheel drive: turn jack
spindle 2counter-clockwise as far as it will
go. #
Raise theve hicle until the tire is raised a max‐
imum of 1.2 in (3 cm) off the ground. #
Loosen and remo vethe wheel (/ page 330). Re
moving a wheel Re
quirements:
R The vehicle is raised (/ page 328).
When changing a wheel, avoid applying any
fo rc eto the brake discs since this could
impair the le vel of com fort when braking.
* NO
TEDama getothre ading from dirt on
wheel bolts #
Do not place wheel bolts in sand or on a
dirty sur face. #
Unscr ewthe wheel bolts or nuts with the
wheel nut wrench. #
On front wheels with wheel nuts, remo vethe
wheel nut co ver. #
Remo vethe wheel. Installing a new wheel
Re
quirements:
R The wheel is remo ved (/ page 330). &
WARNING Risk of accident from losing a
wheel
Oiled, greased or damaged wheel bolt/wheel
nut thre ads or wheel hub/wheel mounting
bolt thre ads can cause the wheel bolts/wheel
nuts tocome loose.
As a result, you could lose a wheel while driv‐
ing. #
Never oil or grease theth re ads. #
Intheeve nt of damage totheth re ads,
con tact a qualified specialist workshop
immediatel y. #
Have the damaged wheel bolts or dam‐
aged hub thre ads replaced. #
Do not continue driving. &
WARNING Risk of inju ryfrom tightening
wheel bolts and nuts
If yo u tighten the wheel bolts or wheel nuts
when theve hicle is raised, the jack could tip. #
Only tighten wheel bolts or wheel nuts
when theve hicle is on the ground. #
Obser vethe no tes on thech oice of tires
(/ page 324). #
For saf etyre asons, only use wheel bolts or
wheel nuts which ha vebeen appr ovedby
Mercedes-Benz and forth e wheel in question.
When you ins tallth esteel spare wheel, it is
essential you use short wheel bolts for a steel
wheel. Using other wheel bolts when ins talling
th esteel spare wheel may lead todamage tothe
brake sy stem. 330
Wheels and tires
1
Wheel bolt for alloy wheel
2 Wheel bolt forst eel wheel #
Clean the wheel and wheel hub contact sur fa‐
ces. #
Vehicles with Super Single tires: first
ins tallth e adap terfo rth e nar row spare wheel
on the wheel hub. #
Slide the wheel which is tobe re-ins talled
onto the wheel hub or the adap terfo rthe
spare wheel and push it on.
Ve hicles with light alloy wheels #
Use the suitable short wheel bolts forthe
spare steel wheel found in theve hicle tool kit. #
Screw inthe wheel bolts until they are finger-
tight.
Wheels with wheel nuts #
Front wheels with wheel nut co ver:press the
wheel nut co ver onto the wheel nuts. #
Screw inthre e wheel nuts overth efixing
discs of the wheel nut co ver. #
Turn the wheel so that the wheel bolts are in
th e middle of the holes. #
Screw inthere maining wheel nuts. #
Slightly tighten all the wheel nuts. Lo
weri ngtheve hicle af ter a wheel change &
WARNING Risk of inju rythro ugh incor‐
re ct tigh tening torque
The wheels could come loose if the wheel
bolts or wheel nuts are not tightened tothe
prescribed tightening torque. #
Makesure the wheel bolts or wheel
nuts are tightened tothe prescribed
tightening torque. #
Ifyo u are not sure, do not mo vethe
ve hicle. Consult a qualified specialist
wo rkshop and ha vethe tightening tor‐
qu ech ecked immediately. Re
quirements:
R The new wheel has been ins talled
(/ page 330).
Obser vethe no tes on raising theve hicle
(/ page 328).
Ve hicles with rear wheel drive
Only use the middle rod and the pump le verrod
with the largest diame terfo rth e jack as a lug
wrench extension. Only inse rtthe middle rod on
th e lug wrench, and alw ays as far as it will go.
Otherwise, thero ds could bend and deform so
much that they can no longer be used as pu mp
le ve rs forth e jac k.
Ve hicles with Super Single tires: ifyo u mount
th e spare wheel tothere ar axle, do not exceed
th e maximum speed of 34 mph (55 km/h) and
th e maximum dis tance of 62 miles (100 km). Oth‐
erwise, the transmission could be damaged due
to the dif fere nt rotational speeds of the wheels. #
Using the pump le ver,slowly turn the drain
scr ew onthe jack appr oximately one revo lu‐
tion and carefully lo werth eve hicle. #
Place the jack toone side. #
Pull thero d with the smallest diame ter off the
pump le ver.
The shor tened pu mpleve r ser ves as a lug
wrench extension. #
Starting with the middle rod, slide the lug
wrench extension as far as it will go onto the
lug wrench. Wheels and tires
331
#
Tighten the wheel bolts or nuts evenly in the
sequence indicated (1 to6 ).
Specified tightening torque:
R Steel wheel bolts: 177 lb-ft (240 Nm)
R Wheel nuts: 133 lb-f t(180 Nm)
R Alloy wheel bolts: 133 lb-f t(180 Nm) #
Push the pis ton on thehy draulic jack in again
and close the pressure release scr ew. #
Vehicles with all-wheel drive: turnthe jack
spindle clockwise as far as it will go.
% Yo
u can now ins tallth e hub caps on steel
wheels with wheel bolts. The ins tallation pro‐
cedure depends on whe ther the hub cap acts
as a trim that co vers the whole wheel, or just
co vers the center. #
Wheel with hub cap: positionthe opening
fo rth e tire valve in the hub cap overth e tire
va lve. #
Push the edge of the hub cap onto the wheel
ri m with bo thhands until it engages into
place. Make sure the hub cap retaining
cat ches engage on thesteel wheel. #
Wheel with central hub cap: positionthe
re taining lugs of the cent ral hub cap overthe
wheel bolts. #
Hitthe middle of the hub cap toengage it on
th e wheel. #
Secure thefa ulty wheel in the spare wheel
brac ket. #
Vehicles with Super Single tires: transport
th efa ulty rear wheel on the load area. The
re ar wheel is too lar geforth e spare wheel
brac ket. #
Check the tire pressure of the newly ins talled
wheel and adjust it if necessar y. #
Retighten the wheel bolts or wheel nuts tothe
specified tightening torque af terth eve hicle
has been driven 31miles (50 km). #
When using a wheel or spare wheel with a
new or newly painted wheel rim, ha vethe
wheel bolts or nuts retightened af ter appro x‐
ima tely 620 miles (1,000 km) to3,10 0 miles
(5,000 km).
% Ve
hicles with the tire pressure monitor
sy stem: all ins talled wheels must be equip‐
ped with functioning sensors.
Make sure toobser vethefo llowing fur ther rela‐
te d subject:
R Notes on tire pressure (/ page310) Spare wheel
Note
s onthe emer gency spare wheel and
spare wheel Spare wheel:
wheel and tire dimensions as well
as the type of tire cor respond totheot her ins tal‐
led wheels.
Emer gency spare wheel: wheel and/or tire
dimensions as well as the type of tire are dif fer‐
ent from the wheel tobe replaced. A label with a
speed limit can be found on the emer gency spa re
wheel.
An ins talled emer gency spa rewheel or spare
wheel changes the driving characteristics and
bears risks. &
WARNING Risk of accident caused by
incor rect wheel and tire dimensions
When the emer gency spa rewheel or the
spare wheel is ins talled, driving characteris‐
tics may be se verely affected.
The reis an inc reased risk of an accident.
To prev ent hazardous situations: #
Once the spare wheel or the emer gency
spa rewheel has been ins talled, check
th e tire pressure and adjust if neces‐
sar y. #
The emer gency spa rewheel may only
be used temp orarily and must be
re placed with a standard wheel as soon
as possible. #
Never ins tall more than one emer gency
spa rewheel. #
When operating your vehicle with the
emer gency spa rewheel ins talled, adapt 332
Wheels and tires
yo
ur driving style accordingly and drive
carefully. #
Do not switch off ESP ®
. #
Snow chains must not be ins talled on
th e emer gency spa rewheel. #
Replace the emer gency spa rewheel
af te r a maximum of six years, rega rd‐
less of wear. R
When using an emer gency spa rewheel
(which is dif fere nt from the wheel tobe
re placed) a top speed of 50 mph (80 km/h)
must not be exceeded.
R The tire pressure of the emer gency spa re
wheel must be checked before starting a jour‐
ney (/ page314).
R Have the emer gency spa rewheel replaced by
a qu alified specialist workshop. &
WARNING Risk of accident from dam‐
aged spa rewheel with Super Sin gle tires
Ve hicles with Super Single tires
The tire of the spare wheel exposed toabo ve-
ave rage loads af ter being ins talled on there ar
axle. If youexc eed the maximum speed or the
maximum dis tance, or ins tallth e spare wheel
again, the tire of the spare wheel may be
damaged. The tire damage may not be visible
and not de tectable.
A damaged tire may cause a loss of tire pres‐
sure. This could cause youto lose control of
th eve hicle. #
Only use the spare wheel if it has not
ye t been ins talled on there ar axle with
th e cur rent tires. #
Ifth e spare wheel had been ins talled on
th ere ar axle, ha vethe tire of the spare
wheel replaced af terch anging the
wheel again, ir respective of the dis‐
ta nce. #
For saf etyre asons, when changing a tire
ensure that only the tire valve type
appr ovedfo rth e tires is used. *
NO
TEDama getothe transmission Ve
hicles with Super Single tires: whenyou
ins tallth e spare wheel on there ar axle, the
transmission may be dama gedby the dif fer‐
ent rotational speeds of the wheels. #
When the spare wheel is ins talled on
th ere ar axle, obse rveth e maximum
speed of 34 mph (55 km/h) and the
maximum driving dis tance of 62 miles
(100 km). %
It is possible, wi
thout restrictions, touse the
spare wheel only on the front axle of a vehi‐
cle with Super Single tires.
The following should be checkedre gular ly, partic‐
ularly prior tolong journe ys:
R The secure positioning of the spare wheel
R The tire pressure of the spare wheel (adjust
th e tire pressure if necessary) (/ page311)
R The fastenings of the spare wheel brac ket
Re place the tires af ter six years at the latest,
re ga rdless of wear. This also applies tothe spare
wheel.
% If
yo u ha veinstalled an emer gency spa re
wheel or spare wheel, the tire pressure moni‐
to r will not function forth is wheel. The emer‐
ge ncy spa rewheel or spare wheel is not
equipped with a sensor for monitoring tire
pressu re. Installing/removing
the spa rewheel Ve
hicles with rear wheel drive: removing the
spare wheel (Cargo Van/Passenger Van) Bolt co
vers forth e saf ety hoo ks(exa mp le: Cargo
Va n) Wheels and tires
333
#
Open there ar-end doors. #
Place a scr ewdriver into recesses 2and
th en pry off co vers 1 . #
Using the lug wrench from theve hicle tool kit,
unscr ewthe now visible bolts counter-clock‐
wise byappr oximately 20 turns. #
Slightly raise spare wheel car rier 4 and
unhook left-hand saf ety hook 3. #
Assemble the pump le verfo rth e jack and
slide it into slee ve5 ontheright-hand side
of spare wheel car rier 4. #
Raise spare wheel car rier 4 with the pump
le ve r and unhook right-hand saf ety hook 3. #
Slowly lo wer spare wheel car rier 4 tothe
ground. #
Lift spare wheel car rier 4 slightly and pull
th e pump le ver out of the slee ve. #
Use the pump le verto lift the spare wheel
be yond there ar edge of spare wheel car rier
4. #
Carefully remo vethe spare wheel from spare
wheel car rier 4. The spare wheel is heavy.
When the spare wheel is remo ved, the center
of gr avity changes due tothe heavy weight of
th e wheel. The spare wheel may slip down or
tip ove r.
Ve hicles with rear wheel drive: installing the
spare wheel (Cargo Van/Passenger Van) #
Carefully place the spare wheel onto spare
wheel car rier 4. The spare wheel is heavy.
When you place the spare wheel onto spare
wheel car rier 4, the center of gravity
ch anges due tothewe ight of the wheel. The
spare wheel may slip down or tip over. #
Slide the pump le verfo rth e jack into slee ve
5 on spare wheel car rier 4. #
Raise spare wheel car rier 4 with the pump
le ve r and attach right-hand saf ety hook 3. #
Slight lyraise spare wheel car rier 4 and
attach left-hand saf ety hook 3. #
Pull the pump le ver out of slee ve5 . #
Using the lug wrench, tighten saf ety hook
bolts 3byturning them clockwise. #
Replace and engage co vers 1 . #
Close there ar-end doors.
Ve hicles with rear wheel drive: removing the
spare wheel (vehicle with lo weredch assis) Bolt co
vers forth e saf ety hoo ks(exa mp le: Cargo
Va n) 334
Wheels and tires
#
Open there ar-end doors. #
Place a scr ewdriver into recesses 2and
th en pry off co vers 1 . #
Using the lug wrench from theve hicle tool kit,
unscr ewthe now visible bolts counter-clock‐
wise byappr oximately 20 turns. #
Slightly raise spare wheel car rier 4 and
unhook left-hand saf ety hook 3. #
Assemble the pump le verfo rth e jack and
slide it into slee ve5 ontheright-hand side
of spare wheel car rier 4. #
Raise the spare wheel car rier with the pump
le ve r and unhook right-hand saf ety hook 3. #
Position loop 7ofextraction device 6on
th e spare wheel so that you will later be able
to attach lug wrench 8. #
Prepare the jac k. #
Place the jack beneath the cor responding
jack support point. #
Movethe pump le ver up and down until the
tire is raised a maximum of 1.18 in (3 cm) off
th e ground. #
Hook lug wrench 8into loop 7ofextrac‐
tion device 6onthe spare wheel. #
Carefully remo vethe spare wheel from spare
wheel car rier 4. The spare wheel is heavy.
When the spare wheel is remo ved, the center
of gr avity changes due tothe heavy weight of
th e wheel. The spare wheel may slip down or
tip ove r. #
Remo vethe spare wheel extraction device
and store it in a safe place. You can now
ins tallth e spare wheel on your vehicle. #
Lowe rth eve hicle.
Ve hicles with rear wheel drive: installing the
spare wheel (vehicle with lo weredch assis)
% In
theeve nt of a flat tire, you may store the
fa ulty wheel inside theve hicle onl y.An intact
wheel may be stored in the spare wheel car‐
ri er only when theve hicle is unladen. A laden
ve hicle must firs t be raised. #
Carefully place the spare wheel onto spare
wheel car rier 4. The spare wheel is heavy.
When you place the spare wheel onto spare
wheel car rier 4, the center of gravity
ch anges due tothewe ight of the wheel. The
spare wheel may slip down or tip over. #
Slide the pump le verfo rth e jack into slee ve
5 on spare wheel car rier 4. #
Raise spare wheel car rier 4 with the pump
le ve r and attach right-hand saf ety hook 3. #
Slight lyraise spare wheel car rier 4 and
attach left-hand saf ety hook 3. #
Pull the pump le ver out of slee ve5 . #
Using the lug wrench, tighten saf ety hook
bolts 3byturning them clockwise. #
Replace and engage co vers 1 . #
Close there ar-end doors. Wheels and tires
335
Ve
hicles with rear wheel drive: removing the
spare wheel (chassis) #
Loosen wing nuts 3manually and then
re mo vethem. #
Loosen nuts 2asfar as theth re ad end. #
Slightly raise spare wheel car rier 4 and
unhook left-hand saf ety hook 1. #
Assemble the pump le verfo rth e jack and
slide it into the slee veon theright-hand side
of spare wheel car rier 4. #
Raise spare wheel car rier 4 with the pump
le ve r and unhook right-hand saf ety hook 1. #
Slowly lo wer spare wheel car rier 4 tothe
ground. #
Lift spare wheel car rier 4 slightly and pull
th e pump le ver out of the slee ve. #
Use the pump le verto lift the spare wheel
be yond there ar edge of the spare wheel car‐
ri er. #
Carefully remo vethe spare wheel from the
spare wheel car rier. The spare wheel is heavy.
When the spare wheel is remo ved, the center
of gr avity changes due tothe heavy weight of
th e wheel. The spare wheel may slip down or
tip ove r.
Ve hicles with rear wheel drive: installing the
spare wheel (chassis) #
Carefully place the spare wheel onto spare
wheel car rier 4. The spare wheel is heavy.
When you place the spare wheel onto the
spare wheel car rier, the center of gr avity
ch anges due tothewe ight of the wheel. The
spare wheel may slip down or tip over. #
Slide the pump le verfo rth e jack into the
slee veon spare wheel car rier 4. #
Raise spare wheel car rier 4 with the pump
le ve r and attach right-hand saf ety hook 1. #
Slight lyraise the spare wheel car rier and
attach left-hand saf ety hook 1. #
Pull the pump le ver out of the slee ve. #
Tighten nuts 2. #
Put wing nuts 3in place and tighten them. 336
Wheels and tires
Display messages
Possible causes/consequences and 0050 0050Solutions
Af terth e message appears forth efirs t time, the engine can only be
st ar ted ano ther 10 times. The number of remaining engine starts XX
(10 to1) is shown in the message everytime the engine is star ted. #
Visit a qualified specialist workshop immediately.
0099 Additive System Fault
Emergency Op.: XXX
mph See Operator's
Manual *
In addition, theye llow 00B9 Check Engine warning lamp on the
instrument clus ter lights up and a warning tone sounds.
Yo u can only drive theve hicle at a maximum speed of 5 mph
(8 km/h). #
Visit a qualified specialist workshop immediately. Ti
res Display messages
Possible causes/consequences and 0050
0050 Solutions
Tire Pressure Monitor
Inoperative No Wheel
Sensors *T
he ins talled wheels do not ha vesuitable tire pressure sensors. The
tire pressure monitor has been switched off. #
Install wheels with suitable tire pressure sensors.
0077
Tire Press. Sen. Missing *T
he tire pressure sensor signal is missing from one or more tires.
No pressure value is displa yedfo rth e tire in question. #
Have thefa ulty tire pressure sensor replaced at a qualified spe‐
cialist workshop.
Tire Press. Monitor Cur-
rently Unavailable *T
here is inter fere nce from a po werful source of radio wav es As a
re sult, no signals from the tire pressure sensors are received. The
tire pressure monitor is temp orarily una vailable. #
Continue driving.
As soon as the cause has been eliminated, the tire pressure
monitor automatically switches on.
0077 Warning Tire Malfunction *T
he pressure in one or more tires suddenly falls. The wheel position
is shown. &
WARNING Risk of an accident from driving wi thaflat tire
Flat tires are dangerous in thefo llowing ways:
R The tires can overheat and cause a fire.
R The driving characteristics, as well as steering and braking,
may be greatly impaired.
Yo u could then lose cont rol of theve hicle. #
Do not drive with a flat tire. #
Obse rveth e no tes on flat tires. In
fo rm ation about flat tires (/ page 294). #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tires. Display messages and
warning and indicator lamps 369