Youc ouldlose cont roloft hevehicle in the
fo llowing situations:
Rwhen braking
Rin thee vent of abrup tsteering maneuvers
and/or when thev ehicle's speed is not
adap tedtot heroad conditions
#In thee vent of ashortcircui torasimi‐
la ri ncident, contact aqualified special‐
is tw orks hop immediately.
#Do no tdrive anyf urther.
#Alw aysh ave workon theb atter ycarried
out at aqualified specialis tworks hop.
RFu rther information on ABS (→pag e148)
RFurther information on ESP®(→pag e149)
Fo rs afet yr easons, Mercedes-Benz recommends
th at youo nly use batte ries whic hhaveb een tes‐
te da nd appr oved fory our vehicle byMercedes-
Benz.T hese batteries pr ovide inc reased impact
pr otection toprev ent vehicle occupants from
suf fering aci dburns should theb atter ybed am‐
aged in thee vent of an accident. All
vehicles exceptv ehicles wit halithium-
ion battery
& WARNING Risk ofexplosion due toelec‐
tros tatic charge
Electros tatic charge can cause spa rksw hich
ma yignit ethe highl yflammable gasm ixture
in theb atter y.
#Todischar geanye lectros tatic charge
th at ma yhave built up, touc ht he me tal
ve hicle body befor ehandling theb at‐
te ry.
The highly flammable gasm ixtur eisc reated
while theb atter yisc harging and during starting
assis tance.
&
WARNING Danger of chemical burns
from theb atter yacid
Batter yacid is caustic.
#Avoid contact wit hthe skin, eyes or
clo thing.
#Do no tlean overthe batter y.
#Do notinhal ebattery gases.
#Ke ep children away from theb atter y.
#Immediate lyrinse batter yacido ffthor‐
oughl ywithp lenty of clean waterand
seek medicala ttention immediately.
Allvehicles
* ENVIRONMENTAL
NOTEEnvironmental
damage causedbyimproper disposal of
batteries
Bat teries conta in pollutants. It is
illegal todispose of them wit hthe household
ru bbish.
#
Dispose of batteries in an
environmen tallyr esponsibl emanner.
Ta ke dischar gedb atteries toaq ualified
300
Breakdown assistance
specialist workshop or toac ollection
pointf or used batteries.
Ifyo uh ave toconnect the12v olt batter y,con‐
ta ct aq ualified specialis tworks hop.
Compl ywiths afet yn otes and take protective
measures when handling batteries.
Risk of explosion
Fire, open flames and smokin gare
prohibite dwhen handling theb atter y.
Av oid creating spar ks.
Electrolyte or batteryacid is cor ro‐
sive. Avoid contact wit hskin, eyes or
clo thing. Wear suitable pr otective
clo thing, in particular glove s, an
apron and aface mask .Immediate ly
ri nse electrolyte or acid splashes off
wit hc lean water.Conta ctap hysician
if necessar y.
Weareyep rotection.
Ke ep children away.
Obser vethis Opera tor's Manual.
If yo udon otintendtou sethev ehicle overan
ex tende dperio doft ime:
RActivat estandb ymode ,or
RConnec tthe batter ytoabatterycharge r
appr ovedbyM ercedes-Benz, or
RConsult aqualified specialis tworks hop to
disconnec tthe battery
St arting assist ance andchargin gthe 12V
battery
Ve hicles with alithium-ion battery
#When chargingt he batter yand during start‐
ing assis tance, al ways use thej ump-s tart
connection point in thee ngine compartment.
* NO
TEDama getotheb atter yfromo ver‐
vo ltage
When chargingu singabatterycharge rw ith‐
out amaximu mcharging voltage, theb attery
or theo n-boar delectronics ma ybedamaged.
#Onlyuse batter ycharger switham axi‐
mum chargingv oltageof1 4.4V.
Allother vehicles
#When chargingt he batter yand during start‐
ing assis tance, al ways use thej ump-s tart
connection point in thee ngine compartment.
Breakdown assis tance 301
It isrecommended that youh ave thet hawe d
batter ychec kedataq ualified specialis twork‐
shop.
All vehicles
* NO
TEDama gecaused bynumerouso r
ex tende dattem ptstos tart thee ngine
Nume rous or extende dattem ptstos tart the
engine ma ydamag ethe catalytic con verter
due tonon-combu sted fuel.
#Av oid numerous and extende dattem pts
to star tt he engine.
Obser vethef ollowing points during starting
assis tance and when chargingt he battery:
ROnlyuse undamaged jumper cables/charg‐
ing cables wit hanadequat ecross-section
and insulated term inal clamps.
RNon- insulated parts of thet erminal clamps
mus tnotcom eintoc ontact wi thother me tal
parts while thej umper cables/charging
cables ar econnected totheb atter yort he
jump-s tart connection point.
RThe jumper cables/charg ing cables mustnot
com eintoc ontac twitha nyparts whic hmay
mo vewhen thee ngine is running.
RAlw aysm akes uret hat neither youn orthe
batter yareelect rostaticall ycharged.
RKeep away from fire and open flames.
RDo no tlean overthe batter y.
RWhencharging: onlyuse batter ychar gers
te sted and appr ovedbyM ercedes-Benza nd
re ad theb atter ycharger's operating instruc‐
tions befor echarging theb atter y.
Obser vethea dditional following point sduring
st artin gassis tance:
RSt artin gassis tance ma yonly be pr ovided
using batteries wit hanominal voltag eof1 2
V.
RThe vehicles mus tnot to uch.
RGasoline engine: Onlyaccep tstartin ga ssis‐
ta nce if thee ngine and exhaus tsystema re
cold.
#Secur ethe vehicle byapplying thee lectric
parking brake.
#Au tomatic transmission: Shiftthet rans‐
mission toposition B.
#Makesuret hat thei gnition and all electrical
consumer sareswitched off.
#Open thee ngine hood.
#Slide co ver1 of positiv eterminal 2onthe
jump-s tarting connection point in thed irec‐
tion of thea rrow .
Breakdown assis tance 303
Rthee nergy supply or theo n-boar delectri‐
cal sy stem is malfunctioning.
When your vehicle is then towe da way,signif‐
icantly mor eeffor tm aybe requ iredtosteer
and brak ethan is normally required.
#Useatow bar.
#Mak esuret hat thes teering wheel can
mo vefreely ,befor etow ing thev ehicle
aw ay.
* NO
TEDama gedue to to wing away at
exc essivel yhigh speeds or overlong dis‐
ta nces
The driv etra in could be damaged when tow‐
ing at excessively high speeds or over long
dis tances.
#At ow ing speed of 31mp h(50 km/h)
mus tnotbe exc eeded.
#Atow ing dis tance of 31mile s(50 km)
mus tnotbe exc eeded.
Ifav ehicle mus tbetow st artedort owedaway,
its weight mus tnotexc eed thep ermissible gross
mass of thet ow ing vehicle.
&
WARNING Risk of accident whe ntow ing
av ehicle whic histoo heavy
If th ev ehicle being tow- star tedort owed
aw ay is heavier than thep ermissible gross
mass of your vehicle, thef ollowing situations
can occur:
RThe towing eyem aybecome de tach ed.
RThe vehicle/trailer combination may
swer veoreve noverturn.
#If ano ther vehicle is tow- star tedo r
to we da way,its weight mus tnotexc eed
th ep ermissible gross mass of your ow n
ve hicle.
#Information on thep ermissible gross mass of
th ev ehicle can be found on thev ehicle iden‐
tification plat e(
→page342). During
thet ow ing procedure, obser vethef ollow‐
ing:
RDeactivat ethe DISTRONIC dis tance pilot.
RDo no tactivate theH OLD function.
RVehicles with automatic transmission: Do
no to pen thed rive r's door or front passenger
door ,otherwise thea utomatic transmission
automaticall yshifts toposition j.
#Makesuret hat theb atter yisc onnected and
ch arge d.
When theb atter yisd ischar ged:
RThe engin ecann otbe star ted.
RThe elect ricp arkin gb rake canno tbe
re leased or applied.
RVe hicles with automatic transmission:
The au tomatic transmission canno tbeshif‐
te dtop osition iorj.
#Ins tallth et ow ing eye(→pag e307).
#Attach thet ow bar.
Breakdown assis tance 305
Nevere xceed maximum tir epressure 1speci‐
fi ed fort he tire.
Information on tir echaracteristics
%
The dat ashown in thei mag eise xamp le
data.
This information descri besthet ype of tir ecord
and then umber of la yers in side wall1 and
under tir etread 2.
Tire size designation, load-bearing capacity,
speed ratin ga nd load index
&
WARNING Risk of accident duet o
exc eeding thes tatedt irel oad rating or
th ea ppr ove dspeed rating
Exceeding thes pecified tir eload rating or
th ep ermissible speed rating ma ylea dtot ire
damage andtothet ires bur sting.
#Therefore, onl yuse tir etypes and sizes
appr ovedfor your vehicle model.
#Obser vethet irel oad rating and speed
ra ting requ ired fory our vehicle.
1Preceding letter
2Nominal tir ewidthinm illimeters
3Aspect ratio in %
4Tire code
5Rimd iame ter
6Load-bearing index
7Speed rating
8Loa dind ex
% The dat ashown in thei mag eise xamp le
data.
Info rmatio nabout readingt he tiredatac an be
obtained from an yqualified specialis tworks hop.
326
Wheels and tires
IndexS peedrating
ZR...Y
1up to186m ph (300 km/h)
ZR...(..Y)
1ove r186 mph(300 km/h )
ZR
1ove r149 mph(240k m/h)
RSpecifying thes peed rating as the" ZR" index
in tir ecode 4is optional fort ires up to
18 6m ph (300 km/h).
RIfyo ur tir ecode4 includes "ZR"andthere
is no speed rating 7,f ind out what them ax‐
imum speed is from thet irem anufacturer.
RIf load-bearing index 6and speed rating 7
ar einb rack ets, them aximum speed rating of
yo ur tir eisa bove 186m ph (300 km/h). To
fi nd outt he maximum speed, ask thet ire
manufacturer. All-weather tires and winter tires
Inde
xS peedrating
QM +S
2upto100m ph (160 km/h)
TM +S
2upto118m ph (190 km/h)
HM +S
2upto130m ph (2 10km/h)
VM +S
2upto149m ph (240 km/h)
Winter tires bear thei snowflak esymbol
and fulfill ther equirements of theR ubber Manu‐
fa cturer sAssociation (RMA) and theR ubber
Associatio nofCanada (RAC) rega rding traction
on sno w.
Load index 8
:RNo specification given: standar dload (SL)
tire
R"XL" or "Extra Load": extral oa dt ireorr ein‐
fo rc ed tire
R"Light Load": light load tire
R"C", "D", "E": aload rang et hat depe ndso n
th em aximum load that thet irec an car ryat a
cer tain pressure
Definitions fort ires and loading
Ti re stru ctureand characteristics: describes
th en umber of la yers or then umber of rubber-
coated belts in thet irec ontact surf ace and the
tir ew all. These ar emade of steel, nylon, poly‐
es tera nd other materials.
Bar: metric unit fort irep ressure .
14 .5038 pounds per squar einc h( psi) and
10 0k ilopasca l(kPa) is thee quivalent of one bar.
DO T(Department of Transport ation):DOT
mar kedt ires fulfill ther equirements of the
US Department of Transpor tatio n.
Av erag eweight of thev ehicle occupants: the
numbe rofvehicle occupants forw hich th evehi‐
cle is designed, multiplied by150lb( 68kg).
1"ZR" stated in thet irec ode.2Or "M+S i"for winter tires
328
Wheels and tires
Changingawheel
Note sons electing, mounting and replacing
tires
Yo uc an ask fori nformation rega rding permitte d
wheel-tir ecombinations at an authorized
Mercedes-Ben zcenter.
&
WARNING Risk of accident duetoi ncor‐
re ct dimensions of wheelsa nd tires
If wheelsa nd tires of thew rong size are
ins talled, thew heel brakes or wheel suspen‐
sion components ma ybedamaged.
#Alwaysr eplace wheels and tires with
th ose that fulfill thes pecification sof
th eo riginal part.
When replacing wheels, mak esuretof itth e
cor rect:
RDesignation
RModel
Whe nreplacing tires, mak esuretoi nstallth e
cor rect:
RDesignation
RManufactu rer
RModel
&
WARNING Risk of accident duet o
exc eeding thes tatedt irel oad rating or
th ea ppr ove dspeed rating
Exceeding thes pecified tir eload rating or
th ep ermissible speed rating ma ylea dtot ire
damage andtothet ires bur sting.
#Therefore, onl yuse tir etypes and sizes
appr ovedfor your vehicle model.
#Obser vethet irel oad rating and speed
ra ting requ ired fory our vehicle.
* NO
TEDama getovehicle and tires due to
non-app rove dt iret ypes and sizes
Fors afet yr easons, onl yuse wheels, tires
and accessories whic hhave been appr oved
fo ry our vehicle byMercedes-Benz.
These tires ha vebeen speciall yadap tedf or
use wit hthe control sy stems, e.g. ABS or
ESP
®,a nd ar emarke dasf ollows:
RMO = Mercedes-BenzO riginal
RMOE = Mercedes-BenzO riginal Extended
(run-flat tires onl yfor cer tain wheels)
RMO1 = Mercedes-Benz Original (onl ycer‐
ta in AMG tires)
Cer tain characteristics, e.g .handling, vehicle
noise emissions or fuel consum ption, may
ot herwise be adversely af fected. In addition,
whe ndriving wi thaload, tir edimension var‐
iations could caus ethe tires tocome into
contact wi th thebody and axle components.
This could result in damag etothe tires or the
ve hicle.
Wheels and tires 331
Displaymessages
Possible causes/consequences and MSolutions
G
Inoperative*O
ne or mor emainf eatures of them brace sy stem ar emalfunctioning.
#Visit aq ualified specialis tworks hop.
Front Passenger Airbag Dis-
abled See Operator's Man-
ual *T
he front passenger air bag and thek neea ir bag ar edeactivated, eventhough an adult or aperson wit habuild
cor responding tothat of an adult is seated on thef ront passenger seat. If additional forc es ar eapplied tothes eat,
th es ystemm ayinterpr ettheo ccupant's weight as lo werthan it actually is.
&
WARNING Risk of injury orfata linjur ydue toad isabledf ront passenger airbag
If th ef ront passenger airbag is disabled, thef ront passenger airbag will no tbedeployedint heevent of an acci‐
dent and cann otper form its intended pr otectiv efunction.
Ap erson in thef ront passenger seat could then, fore xamp le, com eintoc ontact wi th thevehicle's interior,
especially if thep erson is sitting tooc lose tothec ockpit.
#Mak esure, bo thbefor eand during thej ourne y,that thes tatus of thef ront passenger airbag is cor rect.
#Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions.
#Chec kthe status of thea utomatic front passenger air bag shutof f.
#If necessary,consult aqualified specialis tworks hop immediatel y.
Displaymessage sand warning/indicator lamps 367