If
yo ufit M+S tyres that ha vea lo wer maximum
permissible speed than the maximum design
speed of theve hicle, af fix an appropria te warning
sign in the driver's field of vision. You can obtain
th is at a qualified specialist workshop.
Once you ha vefitted the winter tyres, take the
fo llowing measures:
R check the tyre pressure (/ page 250)
R restart the tyre pressure monitor
(/ page 255) Note
s on snow chains
Fo r saf etyre asons, Mercedes-Benz recommends
th at you only use sn owchains that ha vebeen
ch ecked and appr oved.You can find fur ther infor‐
mation on snow chains recommended for
Mercedes-Benz in the wheel and tyre overview at
https://www.me rcedes-benz.de. &
WARNING Risk of accident due tosnow
ch ains breaking
If yo u drive toofast with snow chains, they
can break, injureother persons, and damage
th eve hicle. #
Obser vethe maximum permissible
speed for operation with snow chains. *
NO
TEDama getothe wheel trim from fit‐
te d snow chains If sn
ow ch ains are fitted tosteel wheels, the
wheel trims can be damaged. #
Remo vethe wheel trims of steel wheels
before fitting snow chains. Obse
rveth efo llowing no tes when using snow
ch ains:
R Snow ch ains are only permissible for cer tain
wheel/tyre combinations. You can obtain
information on them at a qualified specialist
wo rkshop.
R For saf etyre asons, only use sn owchains that
ha ve been specifically appr ovedfo ryo ur vehi‐
cle byMercedes-Benz, or snow chains with
th e same quality standard.
R The sn owchains must be retightened af ter
driving appr oximately 1 km. This is the only
wa yto ensure the snow chains are optimally
seated with clearance toadjacent compo‐
nents. R
Use sn owchains only when thero ad sur face
is comple tely sno w-covered. Re mo vethe
snow chains as soon as possible when you
come toaro ad that is not sn ow-co vered.
R Local regulations may restrict the use of
snow chains. Obse rveth e applicable regula‐
tions before fitting snow chains.
R If sn ow ch ains are fitted, the maximum per‐
missible speed is 50 km/h.
% You can deactivate ESP ®
to pull away
( / page 155). This all owsthe wheels to
spin, achieving an increased driving forc e. Ty
re pressure Note
s on tyre pressure Driving with tyre pressure
that is too high or too
low can:
R Shor tenth e service life of the tyres
R Cause increased tyre damage
R Adversely af fect handling characteristics and
th us driving saf ety, forex ample, due toaqua‐
planing &
WARNING Risk of accident due torepea‐
te d pressure drop in the tyres
The wheels, valves or tyres could be dam‐
aged.
To o low a tyre pressure can lead tothe tyres
bur sting. #
Examine the tyres forfo re ign objects. #
Check whe ther the tyre has a puncture
or theva lve has a leak. #
Ifyo u are unable torectify the damage,
contact a qualified specialist workshop. Information on
there commended tyre pressure
fo rth eve hicle's factor y-fitted tyres can be found
on the tyre pressure table in the fuel filler flap
and in the tyre pressure tables (/ page 251).
Use a suitable pressure gauge tocheck the tyre
pressure. The outer appearance of a tyre does
not permit any reliable conclusion about the tyre
pressure.
Ve hicles with a tyre pressure monitor: you can
also check the tyre pressure using the on-board
computer. 250
Wheels and tyres
Ve
hicles with a gross vehicle weight of
3,200 kg
The following tyre pressure values apply tothe
fo llowing vehicles:
R with a gross vehicle weight of 3,200 kg
R with a permissible axle load of 1,650 kgon
th ere ar axle R
with 4x4 all-wheel drive
R the tyres referred tounder "Wheel and tyre
combinations" (/ page 261) Pa
rtially laden vehicle 1
Fully laden vehicle
Ty res/disc
wheel Fr
ont axle Rear axle Front axle Rear axle
225/55 R 17C3 20 kPa (3.2
bar/46 psi) 31
0 kPa (3.1 bar/45
psi) 350 kPa (3.5
bar/51 psi)44
0 kPa (4.4
bar/64 psi)
235/55 R 17
XL 103W/V 27
0 kPa (2.7
bar/39 psi) 250 kPa (2.5 bar/36
psi) 280 kPa (2.8
bar/41 psi)31
0 kPa (3.1
bar/45 psi)
24 5/45 R 19
XL 102Y 230 kPa (2.3
bar/33 psi) 230 kPa (2.3 bar/33
psi) 260 kPa (2.6
bar/38 psi)280 kPa (2.8
bar/41 psi)
24 5/45 R 19
XL 102W 27
0 kPa (2.7
bar/39 psi) 27
0 kPa (2.7 bar/39
psi) 290 kPa (2.9
bar/42 psi)31
0 kPa (3.1
bar/45 psi) Ty
re pressure moni toring sy stem Fu
nction of the tyre pressure monitoring sys‐
tem
The sy stem checks the tyre pressure and the tyre
te mp erature of the tyres fitted totheve hicle by
means of a tyre pressure sensor.
New tyre pressure sensors, e.g. in winter tyres,
are automatically taught-in during thefirs t jour‐
ney they are used.
It is the driver's responsibility toset the tyre pres‐
sure tothere commended cold tyre pressure suit‐
able forth e operating situation (/ page 250).
No tethat the cor rect tyre pressure forth e cur‐
re nt ope rating situation mu stfirs t be taught-in to
th e tyre pressure monitoring sy stem. If a subs tan‐
tial loss of pressure occu rs,th ewa rning thre sh‐
old forth ewa rning message is aligned tothe
tau ght-in refere nce values. Restart the tyre pres‐
sure monitor af ter adjusting tothe cold tyre pres‐
sure (/ page 255). The cur rent pressures are
sa ve d as new refere nce values. This will ensure
th at a warning message will only appear if the
tyre pressure drops signi ficantly. The
0077 warning lamp in the instrument clus ter
displa ysa de tected pressure loss or a malfunc‐
tion as follo ws:
R ifth e0077 warning lamp is lit continuousl y,
th e tyre pressure on one or more tyres is sig‐
nificantly too lo w.The tyre pressure monitor
is not malfunctioning.
R ifth e0077 warning lamp flashes for around a
minute and then remains lit cons tantl y,the
tyre pressure moni tor is malfunctioning.
R a messa gealso appears in the instrument
clus ter.
Sy stem limits
The sy stem may be impaired or may not function
in thefo llowing situations:
R the tyre pressure has been set incor rectly.
R there is a sudden pressure loss caused, for
ex ample, byafo re ign object penetrating the
tyre.
R there is a malfunction caused byano ther
ra dio signal source.
If th e tyre pressure monitor is malfunctioning, it
may take more than ten minu tesfo rth e0077
tyre pressure warning lamp toinform you of the
1 The tyre pressures forth e partially laden vehicle are not valid forth e Marco Polo with integ rated kitchen. 254
Wheels and tyres
malfunction. When
thefa ult has been rectified,
th e0077 warning lamp goes out af teryo u ha ve
driven for a few minutes.
The tyre pressure values indicated bythe on-
board computer may dif fer from those measured
at a filling station using a pressure gauge.
The tyre pressures shown bythe on-board com‐
puter referto those measured at sea le vel.At
high altitudes, the tyre pressure values indicated
by a pressure gauge are higher than those shown
by the on-board computer. In this case, do not
re duce the tyre pressures.
Checking the tyre pressure electronically
Re quirements:
R The ignition is switched on. #
Press the00E2 button tocall up the list of
menus. #
Press the0064 or0063 button toselect
Service. #
Press the0076 button. #
Press the0064 or0063 button toselect
Tyre pressure. #
Press the0076 button.
The display sho wsthe cur rent tyre pressure
of ea chwheel.
If th eve hicle was par kedfo r longer than
20 minutes, theTyre pressures will be displayed
after a few minutes of driving message appears in
th e displa y.
% Also be sure
toobser vethe no tes on tyre
pressure (/ page 250).
Rest arting the tyre pressure monitor
Requ irements
R The ignition is switched on.
R The recommended tyre pressure is cor rectly
set forth ere spective operating condition on
each of thefo ur wheels (/ page 251). #
Press the00E2 button tocall up the list of
menus. #
Use the0064 or0063 button toselect
Service. #
Press the0076 button. #
Use the0064 or0063 button toselect Tyre
pressure. #
Press the0076 button.
The display sho wsthe cur rent tyre pressure
of ea chwheel or theTyre pressures will be
displayed after a few minutes of driving mes‐
sage. #
Press the0064 button.
The Use current pressures as new reference
values message is shown in the displa y. #
Toconfirm restar t:press the0076 button.
Af teryo u ha vedriven for a few minutes, the
sy stem checks whe ther the cur rent tyre pres‐
su res are within the specified range. The new
tyre pressures are then accep ted as refer‐
ence values, monitored and displa yed. #
Tocancel restar t:press the0038 button.
The tyre pressure values stored at the last
re start will continue tobe monitored. Wheels and tyres
255
Ra
dio equipment appr oval of the tyre pres‐
sure monitoring sy stem
Ra dio equipment appr oval numbers Countr
yRadio equipment appr oval
number
Argentina CNC: H-12336
Model: Schrader HSW4
Brazil MODELO: GG4
AN
ATEL: 0381-13-8001
Es te equipamento opera em
caráter secundário, is toé, não
te m direito à pr oteção contra in‐
te rferência prejudicial, mesmo de
es tações do mesmo tipo e não
pode causar inter ferê ncia a sis te‐
mas operando em caráter pri‐
mário.
Jordan Kingdom of Jordan Type appr oval
fo rTy re Pressure Sensor and ECU
Manufacturer: Schrader Elect ron‐
ics Ltd.
Model: Mercedes HS Snap in 433
MHz
Ty pe Appr oval Numb er:
TRC/LPD/20 13/48
Ty pe Appr oval Numb er: LPD
Morocco AGREE PAR L'ANRT MA ROC
MR7907 ANRT 20 13
Date d'agrement: 05/03/20 13
Moldo va Count
ry Radio equipment appr oval
number
Philip‐
pines NTC
Ty
pe Appr oved.
No: ESD-13 06995C
Singapore Complies with IDA Standards
DA -103365
Sou th
Africa TA
-20 13/461
United
Arab Emi‐
ra tes
Abu Dhabi
and Dubai TRA
Re
gis tere d No: ER0 104996/13
Dealer No: DA00470 74/10 Changing a wheel
Note
s on selecting, fitting and replacing tyres Yo
u can ask for information rega rding permit ted
wheel/tyre combinations at a qualified specialist
wo rkshop. &
WARNING Risk of injury thro ugh incor‐
re ct sizes of wheels and tyres
If wheels and tyres of the wrong size are fit‐
te d, the wheel brakes or components in the
brake sy stem and in the wheel suspension
may be damaged. #
Alwaysre place wheels and tyres with
th ose that fulfil the specifications of the
original part.
Fo r wheels, pay attention tothefo llowing:
R Designation
R Type
Fo r tyres, pay attention tothefo llowing:
R Designation
R Manufacturer
R Type 256
Wheels and tyres
&
WARNING Risk of injury thro ugh exceed‐
ing the specified tyre load-bearing capa‐
city or the permissible speed rating
Exceeding the load-bearing capacity of the
tyres can lead totyre dama geand could
cause the tyres toexplode. #
Therefore, only use tyre types and sizes
appr ovedfo ryo ur vehicle model. #
Obser vethe tyre load-bearing capacity
ra ting and speed rating requ iredfor
yo ur vehicle. *
NO
TEVehicle and tyre damage thro ugh
tyre types and sizes that ha venot been
appr oved Fo
r saf etyre asons, only use tyres, wheels and
accesso ries which ha vebeen specially
appr ovedby Mercedes-Benz foryo ur vehicle.
These tyres ha vebeen specially adap tedfor
use with the cont rol sy stems, such as ABS or
ESP ®
.
Otherwise, cer tain properties, such as han‐
dling characteristics, vehicle noise and con‐
sum ption could be adversely af fected. Fur‐
th ermore, other tyre sizes could result in the
tyres rubbing against the body and axle com‐
ponents when loaded. This could result in
damage tothe tyre or theve hicle. #
Only use tyres, wheels and accessories
that ha vebeen checked and recommen‐
ded byMercedes-Benz. *
NO
TEDriving sa fety put at risk by retrea‐
ded tyres Re
treaded tyres are not checked or recom‐
mended byMercedes-Benz, as pr evious dam‐
age is not alw ays de tected duri ngthere tread
process.
Driving sa fety cannot, therefore, be guaran‐
te ed. #
Do not use used tyres when their pr evi‐
ous usage is unknown. *
NO
TEPossible wheel and tyre damage
when driving over obs tacles Lar
gewheels ha vea lo wer tyre section width.
As the section width decreases, therisk of
wheels and tyres being damaged when driv‐
ing over obs tacles increases. #
Avoid obs tacles or drive overth em with
particular care. #
Reduce speed when driving overke rbs,
speed bumps, manhole co vers and pot‐
holes. #
Avoid especially high kerbs. *
NO
TEDama getoelectronic component
parts thro ugh the use of tyre-fitting tools Ve
hicles with tyre pressure monitoring
sy stem: there are electronic component
parts in the wheel. Tyre-fitting tools should
not be applied in the area of theva lve.
Otherwise, the electronic component parts
could be damaged. #
Always ha vetyres changed at a qualified
specialist workshop. Ac
cesso ries that are not appr ovedfo ryo ur vehi‐
cle byMercedes-Benz, or are not being used cor‐
re ctly, can impair ope rating sa fety.
Before pu rchasing and using non-appr oved
accesso ries, visit a qualified specialist workshop
and enquire about:
R suitability
R legal stipulations
R factory recommendations
Obser vethefo llowing points when selecting, fit‐
ting and replacing tyres:
R Countr y-specific requ irements for tyre
appro valth at define a specific tyre type for
yo ur vehicle.
Fu rthermore, the use of cer tain tyre types in
cer tain regions and areas of operation can be
highly beneficial.
R Use only tyres and wheels of the same type,
design (summer tyres, winter tyres, all-season
tyres) and make.
R Only fit wheels of the same size and tread
design on one axle (left and right).
It is only permissible tofit a di fferent wheel
size tothis in theeve nt of a flat tyre in order
to drive tothe specialist workshop.
R Only fit tyres of the cor rect size onto the
wheels.
R Do not make any modifications tothe brake
sy stem, the wheels or the tyres. Wheels and tyres
257
The use of wheel spacers or brake dust
shields is not permitted and
results in the
in va lidation of theve hicle's general ope rating
pe rm it.
R Ve
hicles with a tyre pressure monitoring
sy stem: allfitted wheels mu stbe equipped
with functioning sensors forth e tyre pressure
monitoring sy stem.
R Attemp eratures below 10°C use winter tyres
or all-season tyres with the M+S marking on
all wheels.
Wi nter tyres bearing the004D snowflake sym‐
bol in addition tothe M+S marking pr ovide
th e best possible grip in wintry road condi‐
tions.
R For M+S tyres, only use tyres with the same
tread.
R Obser vethe maximum permissible speed for
th e M+S tyres fitted.
If th is is below theve hicle's maximum per‐
missible speed, this must be indicated in an
appropriate label in the driver's field of vision.
R Run in new tyres at moderate speeds forthe
fi rs t10 0 km.
R Replace the tyres af ter six years at the latest,
re ga rdless of wear.
Fo r more information on wheels and tyres, con‐
ta ct a qualified specialist workshop.
Also obser vethefo llowing fur ther related sub‐
jects:
R Notes on tyre pressure (/ page 250)
R Tyre pressure table (/ page 251)
R Notes on the emer gency spa rewheel
(/ page 265) Note
s onchanging wheels &
WARNING Risk of injury thro ugh dif fer‐
ent wheel sizes
Inter changing the front and rear wheels can
se verely impair the driving characteristics.
The disk brakes or wheel suspension compo‐
nents may also be damaged. #
Only inter change the front and rear
wheels if the wheels and tyres ha vethe
same dimensions. Inter
changing the front and rear wheels if the
wheels or tyres ha vediffere nt dimensions can
re nder thege neral ope rating pe rmit in valid.
On vehicles with the same front and rear wheel
size, you can inter change the wheels every 5,000
to 10,000 km depending on thewe ar. Ensure the
direction of rotation is maintained forth e wheels.
It is imperative toobser vethe instructions and
saf ety no tes on "Changing a wheel" when doing
so. Size categories of wheels
The de
term ined vehicle speed is displa yed in the
instrument clus ter and is impor tant for control‐
ling the driving saf ety sy stems and driving sys‐
te ms. The display accuracy of the speedome ter
and the odome ter is legally prescribed. De term in‐
ing the speed is dependent on the tyre size or the
ro lling circumference of the tyres. The rim diame‐
te r is alw ays specified in inches.
Fo rth is reason, theve hicle contro l units can be
coded forth efo llowing wheel size categories: Wheel size category 1
19
5/65 R 16 C
205/65 R 16 C
225/60 R 16 C
225/55 R 17 C
225/55 R 17XL
24 5/45 R 18XL Wheel size category 2
225/55 R
17XL
235/55 R 17XL
24 5/55 R 17XL
24 5/45 R 18XL
24 5/50 R 18XL
24 5/45 R 19XL %
Mercedes-Benz
recommends that youstay
within a wheel size category when changing a
tyre. In this wa y,yo uav oid recoding the con‐
trol units. 258
Wheels and tyres
Due
tothe legally prescribed accuracy of the
speedome ter and odome ter displa ys,th efo llow‐
ing tyres are not permitte dfo rta xis and hire cars:
R Wheel size catego ry 1
- 195/65 R16C
R Wheel size category 2
- 225/55 R17XL
- 245/45 R18XL
If th e wheel size category changes, you must
ha ve your vehicle's contro l unitsrecoded at a
qu alified specialist workshop. Information on
the direction of the tyres'
ro tation Ty
res with a specified direction of rotation ha ve
additional benefits, e.g. if there is a risk of aqua‐
planing. You will on lyga in these benefits if the
cor rect direction of rotation is obser ved.
An ar row on the side wall of the tyre indicates its
cor rect direction of rotation.
Yo u may also fit a spa rewheel against the direc‐
tion of rotation. Obser vethe time restriction on
use as well as the speed limitation specified on
th e spare wheel. Information on
storing wheels Obser
vethefo llowing when storing wheels:
R Wheels that ha vebeen remo ved should be
st ored in a cool, dry and, if possible, dark
place.
R Protect the tyres from oil, grease and fuel. Preparing
theve hicle for a wheel change Requ
irements
R The tyre-change tool kit is available.
R The vehicle is not on a slope.
R The vehicle is on solid, non-slippery and le vel
ground. #
Appl yth e parking brake. #
Movethe front wheels tothest ra ight-ahead
position. #
Vehicles with manual transmission:
engage firs t or reve rsege ar 005E. #
Vehicles with automatic transmission:
shift the transmission toposition 005D. #
Switch off the engine. #
Make sure that the engine cann otbe star ted. #
On le velte rrain: place choc ks orother suita‐
ble objects under the front and rear of the
wheel that is diagonally opposite the wheel to
be changed. #
On slight inclines: placechoc ks orother
suitable objects under the wheels on the
front and rear axles opposite the wheel tobe
ch anged. #
If included in theve hicle equipment, take the
tyre-change tool kit out of theve hicle tool kit
(/ page 247). #
If included in theve hicle equipment, remo ve
th e spare wheel from the spare wheel brac ket
( / page 265). #
If necessar y,remo vethe wheel co ver. #
Using the wheel wrench, loosen the wheel
nuts/bolts on the wheel you wish tochange
by about one full turn. Do not unscr ewthe
wheel bolts/nuts comple tely. #
Raise theve hicle (/ page 259). Ra
ising theve hicle when changing a wheel &
WARNING Risk of injury from incorrect
positioning of the jack
If yo u do not position the jack cor rectly at the
appropriate jacking point of theve hicle, the
jack could tip wi th theve hicle raised. #
Only position the jack at the appropriate
jacking point of theve hicle. The base of
th e jack must be positioned vertically
under the jacking point of theve hicle. &
WARNING Risk of injury fromvehicle tip‐
ping
On slopes, the jack could tip with theve hicle
ra ised. Wheels and tyres
259
Fi
tting a new wheel Re
quirements
R The wheel is remo ved (/ page 260). &
WARNING Risk of accident from losing a
wheel
Oiled or greased wheel bolts can cause the
wheel bolts tocome loose, as too can dam‐
aged wheel bolts or wheel hub thre ads. #
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 injury from 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 information on thech oice of
tyres (/ page 256). #
Obser vethe instructions and saf ety no tes on
ch anging a wheel (/ page 256).#
For saf etyre asons, only use wheel bolts or
wheel nuts which ha vebeen appr ovedby
Mercedes-Benz and forth e wheel in question. #
Clean the wheel and wheel hub contact sur fa‐
ces. Lo
weri ngtheve hicle af ter a wheel change &
WARNING Risk of accident due toincor‐
re ct tigh tening torque
The wheels could come loose if the wheel
bolts or wheel nuts are not tightened tothe
prescribed torque. #
Ensu rethat the wheel bolts or wheel
nuts are tightened tothe prescribed
tightening torque. #
Ifyo u are not sure, do not mo vethe
ve hicle. Contact a qualified specialist
wo rkshop and ha vethe tightening tor‐
qu ech ecked immediately. Re
quirements:
R The new wheel has been fitted (/ page 261). #
Place the adap ter and thera tchet on the hex‐
agon head nut of the jack such that the letter‐
ing AB/DOWN is visible. #
Tolowe r the vehicle: turnthera tchet of the
jack anti-clo ckwise. #
Steel wheels: tightenth e wheel bolts or
wheel nuts evenly in a crosswise pattern in
th e sequence indicated (1 to5 ) and to a
maximum of 200 Nm. #
Light-alloy wheels: tightenthe wheel bolts
or wheel nuts evenly in a crosswise pattern in
th e sequence indicated (1 to5 ) and to a
maximum of 180 Nm. #
Che ckthe tyre pressure of the newly fitted
wheel and adjust it if necessa ry.
Ve hicles with the tyre pressure monitor sys‐
te m: allfitted wheels mu stbe equipped with
functioning sensors. #
Retighten the wheel bolts tothe specified
tightening torque af terth eve hicle has been
driven 50 km.
% When using a wheel or spare wheel with a
new or newly painted disk wheel, ha
vethe
wheel bolts or wheel nuts retightened again
af te r appro ximately 1,000 to5,000 km.
Obser vethe specified tightening torque. Infor
mation on wheel and tyre combinations
Gene ral no tes
Information on tyres, wheels and permissible
combinations can be obtained at a qualified spe‐
cialist workshop.
The smaller the cross-section of a tyre of a spe‐
cific wheel size, thewo rseth e driving comfort on
poor road sur faces. Ride and damp ing comfort
are reduced and therisk increases that when you
drive over obs tacles, damage towheels and tyres
may result. Wheels and tyres
261