To
avoid hazardous situations:
R never install snowchains tothe front
wheels
R alway sinstall snowchains inpairs tothe
rear wheels.
For safety reasons, Mercedes- Benzrecom-
mends thatyouonly usesnow chains that
have been specially approved foryour vehicle
by Mercedes- Benz,or are ofacorrespon ding
standard ofquality. Formore inform ation,
please contactaqualified specialist workshop.
If you inten dto mount snowchains, please
bear thefollowing pointsinmind:
R Snow chains maynotbemounted onall
wheel/tire combinations.Permissible
wheel-tire combinations(Ypage 321).
R Only usesnow chains whendriving onroads
completely coveredbysnow. Remove the
snow chains assoon aspossible whenyou
come toaroad thatisnot snow-c overed.
R Local regulations mayrestrictthe use of
snow chains. Observe theappropriate regu-
lations ifyou wish tomount snowchains.
R Do not exceed themaximum permissible
speed of30 mph (50km/ h).
R On vehicles withActive Body Control (ABC),
if snow chains havebeen installed, youmust
drive ataraised vehicle level(Ypage 170).
You may wish todeactivate ESP®
when pulling
away withsnow chains installed (Ypage 66).
You canthereby allowthewheels tospin ina
cont rolled manner ,achieving anincreased
driving force(cuttingaction). Tire
pressur e Tire
pressur especifications
Import antsafety notes G
WARNIN
G
Underinf latedoroverinflat edtires pose the
following risks:
R the tires mayburst, especially asthe load
and vehicle speedincrease.
R the tires maywear excessiv elyand/or
unevenly, whichmaygreatly impairtire
tract ion.
R the driving charact eristics, aswell as
steerin gand braking, maybegreatly
impaired.
There isarisk ofan accident .
Follow recomm endedtireinflation pressures
and check thepressure ofall the tires
including thespare wheel:
R mont hly,atleast
R ifthe load changes
R before beginning along journey
R under different operating conditions,e.g.
off- road driving
If necessary, correctthe tire pressure.
The data onthe Tire andLoading Information
placard andtirepressure tableshown hereare
examples. Tirepressure specification sare
vehicle-spec ificand may deviate fromthedata
shown here.Thetirepressure specification s
that arevalid foryour vehicle canbefound on
the Tire andLoading Information placard and
tire pressure tableonthe vehicle.
General notes The
recomm endedtirepressures forthe tires
mounted atthe factor ycan befound onthe
labels described here.
Further informationontire pressures canbe
obtained ataqualified specialist workshop. Tir
epr essure
299Wheelsandtires Z
Overinflated
tiresmay:
R increase thebraking distance
R adversely affecthandling
R wear excessively and/orunevenly
R have anadverse effectonride comfort
R be more susceptible todamage
Maximum tirepressures 0043
Example: maximum permissibletire pres-
sure
Never exceed themaximum permissibletire
inflation pressure. Alwaysobserve therecom-
mended tirepressure foryour vehicle when
adjusting thetire pressure (Ypage 299).
i The
actual valuesfor tires arevehicle-spe-
cific andmay deviate fromthevalue sin the
illu stration. Checki
ngthe tire pressures
Importa ntsafety notes The
tirepressure monitordoesnotwarn you
of:
R incorrect lyset tire pressure
R sudden lossoftire pressure, e.g.from afor-
eign object thathaspenetrated thetire
Observe thenotes ontire pressure
(Y page 299).
Information onair pressure forthe tires on
your vehicle canbefound:
R on the vehicle's TireandLoading Informa-
tion placard onthe B-pillar
R on the tire pressure tableinthe fuel filler
flap
R in the "Tire pressure" section Checki
ngtire pressures manually To
determine andsetthe correct tirepressure,
proceed asfollows:
X Remove thevalve capofthe tire that isto
be checked.
X Press thetire pressure gaugesecurely onto
the valve.
X Read thetire pressure andcompare itto the
recommended valueonthe Tire andLoading
Information placardorthe tire pressure
table (Ypage 299).
X Ifthe tire pressure istoo low, increase the
tire pressure tothe recommended value.
X Ifthe tire pressure istoo high, release air.
To do so, press downthemetal pininthe
valve, usingthetipofapen forexample.
Then check thetire pressure againusing the
tire pressure checker.
X Screw thevalve caponto thevalve.
X Repea tthese stepsforthe other tires. Tire
pressure monitor
General notes If
atire pressure monitorisinstalled, thevehi-
cle's wheels havesensors thatmonitor thetire
pressures inall four tires. Thetirepressure
monitor warnsyouifthe pressure dropsinone
or more ofthe tires. Thetirepressure monitor
only functions ifthe corresponding sensors
are installed inall wheels.
Information ontire pressures isdispla yedin
the multifunction display.After afew minutes
of driving, thecurrent tirepressure ofeach tire
is shown inthe Serv. Serv.
menuofthe multifunc-
tion displa y. Example:
currenttirepressure display
For information onthe message display,refer
to the "Checking thetire pressure electroni-
cally "section (Ypage 304). 302
Tire
pressur eWheels andtires
