&
WARNING Risk of accident from acceler‐
ation or braking byActiveD ista nce Assi st
DISTRONIC
Ac tiveD ista nce Assi stDISTRONI Cmayaccel‐
erat eorb rake inthef ollowing cases, for
ex ample:
R Ifth ev ehicle pulls away usin gActiv eDis‐
ta nce Assi stDISTRONIC.
R Ifth es tore ds peed is called up and is con‐
siderably faster or slo werthan thec ur‐
re ntly driven speed.
R IfAc tiveD ista nce Assi stDISTRONI Cno
longer de tects avehicle in front or does
no treact toreleva nt objects. #
Alwaysc arefully obser vethet raffic con‐
ditions an dbereadytobrak eata ll
times. #
Take intoa ccount thet raffic situation
befor ecallin gupt hestored speed. &
WARNING Risk of accident du etoinsuf‐
fi cient deceleration byActiveD ista nce
Assi stDISTRONIC
Ac tiveD ista nce Assi stDISTRONI Cbrakes
yo ur vehicle wit hupto5 0% ofthem aximum
possible deceleration. If this deceleration is
no ts ufficient, ActiveD ista nce Assi st
DISTRONI Calertsy ou wit havisualand
acoustic warning. #
Inthese cases, adjus tyour speed and
ke ep asufficient dis tance. #
Brak ethe vehicle yourself and/or take
ev asiv eaction. &
WARNING Risk of accident if de tection
function of ActiveD istan ce Assi st
DISTRONI Cisimpaired
Ac tiveD ista nce Assi stDISTRONI Cdoesn ot
re act or has alimited reaction:
R when drivin gonadiffe re nt lane or when
ch anging lanes
R topedestrians, animals, bicycles or sta‐
tionar yvehicles, or unexpected obs tacles
R tocomple xtraffic conditions
R tooncomin gvehicles and crossing traf fic
As aresult, ActiveD ista nce Assi stDISTRONIC
ma yneith er giv ewarning snor inter vene in
su ch situations. #
Alwayso bser vethet raffic conditions
carefull yand react according ly. Ac
tiveD ista nce Assi stDISTRONI Cmaynotd etect
nar row vehicles driving in front, e.g. mo torcyc les
and vehicles driving on adiffe re nt line.
Ope ratin gA ctive Distance Assis tDISTRONIC
Re quirements:
R The vehicle has been star ted.
R The parking brak ehas been released.
R ESP ®
is activated and is no tinter vening.
R The transmissio nisinposition005B.
R The driver' sand thef ront-passen gerd oor are
closed.
R The seat occupancy recognition on thed riv‐
er's seat has de tected that thed rive rh as fas‐
te ned thes eat belt.
R The checkoft heradar sensor sy stem has
been successfully comple ted.
Ac tivatin gActive Distance Assis tDISTR ON IC #
Press button 1. #
Toactivat ewithout astore ds peed: press
rock er switch 3up (SET+ )ordown(SET-).
The cur rent speed is then sa veda nd main‐
ta ined bythev ehicle.
or #
Toactivat ewithastore ds peed: press
rock er switch 4up (RES).
% If
rock er switch 4is pressed up twice,
Ac tiveD ista nce Assi stDISTRONI Cisactiva‐
te dw itht he speed restriction displa yedin
th ei nstrument clus ter. Driving and pa
rking 15 3
obscured
byvehicles or other objects, de tection
is no tpossible.
% Also
read then otes on Blind Spo tAssist
(/ page157).
Ve hicles with Blind Spo tAssis t:driver scan
also be warned of an ycrossing tra ffic when back‐
ing up out of aparkin gspace. If avehicle is
de tected, thew arning lam pinthe outside mir ror
on thec orresponding side lights up red. If it
de tects acritica lsituation, awarning tone also
sounds.
Ve hicles with Blind Spo tAssis tand Parking
Assis tPARKTRONIC: driverscan also be warned
of an ycrossing tra ffic when backin gupout of a
parkin gspace. If acritical situation is de tected, a
wa rning symbol appear sonthe camer aimag eof
th em ultimedia sy stem. If thed rive rd oes not
re spond tothew arning ,the vehicle's brakes can
be applieda utomatically.Inthis case, awarning
to ne sounds.
The Rear Cross Traf ficA lertfunction is acti ve
unde rthe following conditions:
R BlindSpotA ssis tisa ctivated.
R Reverseg ear is engaged or thev ehicle is
backing up at walkin gpace.
R Ifth em aneuvering assis tance function is acti‐
va tedint he multimedia sy stem.
The Rear Cross Traf ficA lertfunction is una vaila‐
ble when driving wit hatrailer. Lane
Keeping Assis tand Activ eL aneK eeping
Assist Fu
nctions of Lane Keeping Assist Lane
Keeping Assis tmonitor sthe area in front of
yo ur vehicle wit hmultifunction camera 1.Itser
vestop rotect youa gains tunin tentionally le av‐
ing your lane .You ma yalso be warned by a
vibrating messa gefrom thes teering wheel and by
th es tatus symbo lflashing in theI nstrument Dis‐
pla y.
The warning is issued when thef ollowing condi‐
tions ar emetat thes ame time:
R Lane Keeping Assis tdetects lane markings.
R Afront wheel drives overal ane marking.
Yo uc an activat eand deactivat ethe Lane Keeping
Assis twarning.
If yo uf ail toadap tyour driving style, Lane Keep‐
ing Assis tcan neither reduce ther isk of accident
nor override thel aw sofp hysics. It canno ttake
int oa ccount road, weather or traf ficc onditions.
Lane Keeping Assis tisonlyana id and is not
intended tokeep thev ehicle in thel ane without
th ed rive r's cooperation. Youa re re sponsible for
th es afed ista nce tothev ehicle in front, forv ehi‐
cle speed, braking in good time and fors taying in
yo ur lane.
Sy stem limits
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ther eisp oor visibilit y,e.g. due toinsuf ficient
illumination of ther oad, if ther ea rehighly
va riable shade condition sorinrain, sno w,fog
or spr ay.
R Glar efromo ncomin gtraffic, di rect sunligh tor
re flections.
R Ther eisd irtont he windshield in thev icinity
of them ultifunction camera or thec amer ais
fo gged up, damaged or obscured.
R No or se veralu nclear lane markings ar epres‐
ent foro ne lane, e.g. in aconstruction area.
R The lane markings ar eworn, dar korcovered.
R The dis tance tothev ehicle driving in front is
to os hor tand thus thel ane markings cann ot
be de tected.
R The lane markings chang equickl y,e.g. lanes
branc hoff,c ross one ano ther or mer ge.
R The road is very nar row and winding. 16 0
Driving and pa rking
Fu
nctions of Activ eL aneK eeping Assist Ac
tiveL aneK eeping Assis tmonitor sthe area in
front of your vehicle bymeans of multifunction
camera 1.Itserve stop rotect youa gains tunin‐
te ntionally le aving your lane .You ma yalso be
wa rned byavibratin gmessag efromt hesteering
wheel and bythes tatus symbo lflashing in the
instrument displa y.In addition, youm aybe gui‐
ded bac kintoy our lane byalane-cor recting
brak eapplication. Arele vant messa geappear sin
th ei nstrument displa y.
The warning is issued when thef ollowing condi‐
tions ar emetat thes ame time:
R The driving sy stem de tects lane markings.
R Afront wheel passe soverthe lane markings.
Al ane-cor recting brak eapplication occu rswhen
th ef ollowing condition sareme t:
R ActiveL aneK eeping Assis tdetects lane
markings on bo thsides of thev ehicle.
R Afront wheel drives overas olidl ane mark‐
ing.
Ar ele vant messa geappear sinthe instrument
displa y.
The brak eapplication is available in thes peed
ra ng eb etwe en appr oximately 40 mph(60 km/h)
and 100m ph (160 km/h).
Yo uc an either deactivat ethe ActiveL aneK eep‐
ing Assis twarning or switc hoffthes ystem com‐
ple tely.
If yo uf ail toadap tyour driving style, Ac tiveL ane
Ke eping Assis tcan neither reduce ther isk of an
accident nor override thel aw sofp hysics. It can‐
no ttak ei ntoa ccount road, weather or traf fic
conditions. The driving sy stem is an aid forw hen
yo uu nintentionally le aveor cross thel ane and no
tas ystem fora utomatically keeping tothe
lane. Youa re re sponsible fort he dis tance tothe
ve hicle in front, forv ehicle speed, braking in good
time and fors taying in your lane. If
al ane-cor recting brak eapplication from Active
Lane Keeping Assis toccurs, display 1appears
in them ultifunction displa y.
Sy stem limits
No lane-cor recting brak eapplication from Active
Lane Keeping Assis toccur sint hefollowing situa‐
tions:
R Youc learly and activel ysteer,b rake or accel‐
erate.
R Yous wit ch on thet urns ignal.
R Adriving saf etys ystemi nter venes, su chas
ESP ®
or ActiveB rake Assi st.
R Youh ave adop tedas porty driving stylew ith
high cornering speeds or high ratesofa ccel‐
eration.
R ESP ®
has been switched off.
R When driving wit hatrailer ,the electrical con‐
nection tothet railer has been cor rectly
es tab lished.
R Ifal oss of tir epressur eoraf aulty tir ehas
been de tected and displa yed.
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ther eisp oor visibilit y,e.g. due toinsuf ficient
illumination of ther oad, high lyvariable shade
conditions, or due torain, sno w,fogorh eavy
spr ay.
R Glar efromo ncomin gtraf fic, direct sunligh tor
re flections.
R Ther eisd irtont he windshield in thev icinity
of them ultifunction camera or thec amera is
fo gged up, damaged or obscured.
R No or se veralu nclear lane markings ar epres‐
ent foro ne lane, e.g. in aconstruction area.
R The lane markings ar eworn, dar korcovered. Driving and parking
161
No
tethef ollowing rega rding thet ongue weight:
R Mak efull use of them aximum tongu eweight,
wher epossible.
R Neverfall belo walegall yprescribed minimum
to ngu eweight ;the tongu eweight must
alw aysbep ositive.
R Do no texceed or fall belo wthe permissible
to ngu eweights –this mus tbeobservedd ur‐
ing loading and unloading of thet railer.
Do no texceed thef ollowing values:
R Perm itted braked or unbraked towing capa‐
city
The maximum permissible towing capacity for
unbraked trailer sis1,653 lbs (750 kg).
R Perm issible rear axle load of thet ow ing vehi‐
cle
R Perm issible gross mass of thet ow ing vehicle
R Perm issible gross mass of thet railer
R Perm issible gross combination mass
R Maximum permissible speed of thet railer
The releva nt pe rmitted values, whic hmustn otbe
ex ceeded, can be found in thef ollowing places:
R Inyour vehicle documents
R Onthei dentification plat eofthe trailer hitch
R Onthet railer's identification plate
R Onthev ehicle identification plate
If th er ea rediscrepancies between thev alues, the
lo west one shall apply.
Befor edriving off, ensur ethe following:
R The tir epressur eont herear axle of thet ow‐
ing vehicle has been se tfor them aximum
load.
R The headlamps ha vebeen se tcorrectly.
Va lues appr ovedbyt he manufacturer can be
fo und on thei dentification plates and in thes ec‐
tion fort he towing vehicle (/ page218).
Yo ur vehicle will beha vediffere ntl yw ithat railer
re lativ etow ithout atrailer:
R The vehicle/trailer combination will be heav‐
ier.
R The vehicle/trailer combination will be
re stricted in its acceleration and climbing
ability.
R The vehicle/trailer combination will ha vean
inc reased brakin gdista nce. R
The vehicle/trailer combination will be more
susceptible tocrosswind gu sts.
R The vehicle/trailer combination will requ ire
mor esensitiv esteering.
R The vehicle/trailer combination will ha ve a
lar gerturning circle.
This ma yimp airt he vehicle's driving characteris‐
tics.
When drivin gwithav ehicle/trailer combination,
alw aysa dap tyour speed tothec urrent road and
we ather conditions. Driv ecarefull y.Ke ep asuffi‐
cient saf edista nce.
Co mply withthe maximum speed of 49 mph
(80 km/h) or 62 mph(100k m/h), even in coun‐
tries in whic hhigher speeds ar epermitted for
ve hicle/trailer combinations.
Compl ywitht he legally prescribed maximum
speed forv ehicle/trailer combination sinforce in
th ec ount ry,s tat eorC anadian pr ovinc einq ues‐
tion. Befor esetting off, consult thet railer's vehi‐
cle documents tosee them aximum permissible
speed fory our trailer.
At tach onl yana pprove dtrailer hitc htoyourvehi‐
cle. Use only aball nec kthat has been appr oved
fo ry our vehicle. Further information about availa‐
bilit yand ins tallation of thet railer electrics is
av ailable from an yqualified specialis tworks hop.
The trailer hitc hisone of them ostimp ortant
ve hicle parts forr oad saf ety. Compl ywitht he
instructions on operating, maintaining and servic‐
ing in them anufacturer's operating instructions.
% Yo
ur vehicle's bumper sarenots uitable for
ins talling de tach able trailer towh itch es.
Do no tattac hanyrented traile rtow hitches or
an yo ther de tach able trailer towh itch es tothe
bumpers.
% When using
atrailer ,remember that
PA RKTRONI Cisavailable onl ytoalimited
ex tent, if at all.
% The height of
theb all head will change
depending on thev ehicle's load. In this case,
use atrailer wit haheight-adjus table dr aw‐
bar.
Driving no tes
The maximum permissible speed forv ehicle/
trailer combination sdepends on thet ype of
trailer .Befor esetting off, consult thet railer's
ve hicle documents tosee them aximum permissi‐
ble speed fory our trailer. 16 4
Driving and pa rking
become trapped between
thev ehicle and the
traile rdrawbar. #
Do no tuncouple trailer swithan
engaged overrun brake. Do no
tuncouple atrailer wit hanoverrun brak ein
as tate ofove rrun. Otherwise, ther ebound of the
ove rrunb rake can damag eyour vehicle. #
Shif tthe selector le vertop osition 005D. #
Appl ythe vehicle's parking brake. #
Close all thed oors. #
Appl ythe trailer's parking brake. #
Secur ethe trailer agains trolling away wit ha
wheel choc kors imilar object. #
Remo vethet railer cables and saf etyc hains. #
Uncouple thet railer. Information about
towing atrailer Operatin
gatrailer is subject toman ystatutory
re gulations suc hasspeedrestrictions.
Man ystatesa lso requ ireana uxiliaryseparate
functional brakin gsystem when towing aweight
th at exc eeds acertain limit .For your saf ety, it is
re commended touse aseparat efunctional brak‐
ing sy stem on an ytowe dvehicle.
Mak esuret hat your trailer combinatio nmeets
local regulations. This no tonlya pplies to your
plac eofr esidence, but also to your destination.
In fo rm atio nont his can be obtained from the
police and local authorities.
Compl ywitht he following when driving wit ha
trailer:
R Practice cornering, stopping and backing up
in at raffic-free location. In this wa y,yo uw ill
ga in driving experience and become accus‐
to med tothen ew handling characteristics.
R Befor edriving, checkt he following:
- that thet railer towh itch and ball coupling
ar es ecure
- that thes afet ys wit ch forb rake dt railer sis
functioning cor rectly
- that thes afet yc hains ar esecur eand
undamaged
- that thee lectrical connection saresecure
- that thel ights ar efunctioning cor rectly
- thew heels ford ama geand cor rect tire
pressur e(/ page 215) R
Adjus tthe outside mir rors so that youh avea
clea rviewoft herear sectio nofthe trailer.
R Ifth et railer is equipped wit hanindividual
braking sy stem, checkb efor eeachj ourney
whe ther theb rake sa refunctioning cor rectl y.
R Ifth et railer has electronicall ycont rolled
brakes, pull away carefully wi th thevehicle/
trailer combination .Brake manually using the
brak econtroller and checkw hether the
brakes ar efunctioning cor rectl y.
R Secu rethel oad on thet railer in line wit hthe
re qu irements and rules forl oad-securing
me thods.
R When driving wit hatrailer ,chec katr egular
inter vals that thel oad is secur eand that the
light sand brakes ar efunctioning cor rectl y.
R Bea rinm indthat theh andling characteristics
ar em oreu nstable when towing atrailer than
when drivin gwithout atrailer .Avoid sudden
st eering mo vements.
R The vehicle/trailer combination is heavier,
accelerates mor eslowl y,has areduced
climbing ability and an increased braking dis‐
ta nce. It is mor esusceptible toside winds
and requ ires careful steering.
R If possible, do no tbrake suddenl y,but rath er
moderatel yatfirst so that thet railer can acti‐
va te its brakes. Then inc rease thep ressur eon
th eb rake pedal.
R Ifth ea utomatic transmission shifts between
ge arsonu phill or downhill gradients, restrict
th es hiftrange. Select shif trang e4,3,2or1.
Al owe rgear and reduced speed decrease the
ri sk of engine damage.
R When driving on adownhill gradient, shif ttoa
lo we rgear touse thee ngine' sbraking ef fect.
Av oid cons tant braking, as this could cause
th ev ehicle brakes and possibly also the
traile rbrake stoo verheat.
R Ifth ec oolant temp eratur eincreases signifi‐
cant lywhen thea ir-conditionin gsystemis
switched on, switc hthe air-conditioning sys‐
te mo ff.
Coolant heat can also be dissipated by
switching thea irflow and thet emperatur eof
th eh eater or air conditioning tothem aximum
le ve l. Open thew indo wsif necessar y.
R When overtak ing, pa yparticular attention to
th ei ncreased overtakin gdista nce of your
ve hicle/trailer combination. 16 6
Driving and pa rking
ASS
YSTP LUSs ervice in terv al display Fu
nction of theA SSYSTP LUSs ervice in terv al
display The ASS
YSTP LUSs ervice inter vald ispla yont he
instrument display prov ides informatio nonthe
re maining time or dis tance be fore then ext
service due date.
Yo uc an hide this service messag ebyusingthe
bac kbutton on thel eft-hand side of thes teering
wheel.
Yo uc an obtain fur ther information concerning
th es ervicing of your vehicle from aqualified spe‐
cialis tworks hop, e.g. an authorized Mercedes-
Benz Center. Displaying
thes ervice du edate On-boa
rdcomputer:
4 Service 5
ASSYSTP LUS
The next service due dat eisdisplayed. #
Toexitth ed ispla y:press theb ackb utton on
th el eft-hand side of thes teering wheel.
Bear in mind thef ollowing related topic:
R Operating theo n-boar dcom‐
puter(/ page170) Car
rying out maintenance workregular ly *
NO
TEPrematur ewear thro ugh failur eto
obser veservice due dates Service
workwhic hisn otcar ried out at the
ri ght time or incomple tely can lea dto
inc reased wear and damag etothevehicle. #
Alwayso bser vethep rescribed service
inter vals. #
Alwaysh ave thep rescribed service
wo rkcar ried out at aqualified specialist
wo rkshop. Special service
requ irements The prescribed service inter
valisb ased on nor‐
mal vehicle use. Maintenance workwill need to
be per form ed mor eoften than presc ribed if the
ve hicle is operated under arduous conditions or
increased loads. Examples of arduous operating conditions:
R Regular city driving wit hfrequ ent intermedi‐
at es tops
R Mainly short-dis tance driving
R Frequent operation in mountainous terrain or
on poor road sur faces
R Whe nthe engine is of tenl eftidling forl ong
periods
R Operation in particula rlyd usty conditions
and/o rifair-reci rculation mod eisfrequ ently
used
In these or similar operating conditions, ha vethe
interior air filter ,engin eair cleaner ,engin eoil and
oil filter etc. changed mor efrequ ently .Ifthevehi‐
cle is subjected tohigher loads, thet ires mus tbe
ch eckedm oref requ entl y.Yo uc an obtain fur ther
information at aqualified specialis tworks hop. Batter
ydisconnection periods The ASS
YSTP LUSs ervice in terv al displa ycan
onl ycalculat ethe service due dat ewhen the
batter yisconnected. #
Notedown thes ervice due dat edispla yedon
th eI nstrument Displa ybefor edisconnecting
th eb atter y(/pag e185). Engine comp
artment Opening and closing
theh ood &
WARNING Risk of accident if thee ngine
hood is unlatched while driving
An unloc kede ngin ehood ma yopen up when
th ev ehicle is in motion and bloc kyour vie w. #
Neveru nlatc hthe engine hood while
driving. #
Befor eevery trip, ensur ethat thee ngine
hood is latched. &
WARNING Danger of bu rnsw hen open‐
ing theh ood
If yo uo pen theh ood when thee ngine has
ove rheated or during afireint he engine com‐
partment, youc oul dc om eintoc ontact wi th
ho tg ases or other escaping operating fluids. #
Befor eopening theh ood, allo wthe
engine tocool down. Maintenance and care
18 5
Tr
iggering an automatic emer gency call Re
quirements:
R The ignition is switched on.
R The star terb atter yhas suf ficient charge.
If re stra int sy stems suc hasairbags or Emer gency
Te nsioning Device shave been activated af teran
accident, eCall ma yautomatically initia tean
emer gency call.
The eme rgency call has been made:
R Avoice connection is made totheM ercedes-
Benz emer gency cal lcenter.
R Am essa gewitha cciden tdataist ransmitted
to theM ercedes-Benz emer gency cal lcenter.
The Mercedes-Benz emergency cal lcenter
can transmit thev ehicle position dat atoone
of thee mer gency cal lcenters.
The SOS button in theo verhead cont rolp anel
fl ashes until thee mer gency cal lisfinished.
It is no tpossible toimmediately end an auto‐
matic emer gency call.
If no connection can be mad etothe emer gency
service seithe r,ac orresponding message
appears inthem edia displa y.
If no connection can be made tothee mer gency
services: #
Dialthe local emergency num berony our
mobile phone.
If an emer gency cal lhas been initia ted:
R Remain in thev ehicle if ther oad and traf fic
conditions permit youtodosou ntilavoice
connection is es tablished wit hthe emergency
call cen ters ervice pr ovider.
R Based on thec all, theo perator decides
whe ther it is necessar ytocallr escue teams
and/or thep olice tothea ccident site.
R If no vehicle occupant answers, an ambu‐
lance is sent tothev ehicle immediately. Tr
iggering amanual emer gency call #
Using theS OS but tonint heove rhead con‐
trol panel: presstheS OS button at leas tone
secon dlong.
The emer gency cal lhas been made:
R Avoice connection is made totheM ercedes-
Benz emer gency cal lcenter.
R Am essa gewitha cciden tdataist ransmitted
to theM ercedes-Benz emer gency cal lcenter. The Mercedes-Benz emergency cal
lcenter
can transmit thev ehicle position dat atoone
of thee mer gency cal lcenters.
R Remain in thev ehicle if ther oad and traf fic
conditions permit youtodosou ntilavoice
connection is es tablished wit hthe emergency
call cen ters ervice pr ovider. Tr
ansmitted data with thee mer gency call
sy stem Dat
atransmitted bythee Call includes but is not
limited to:
R Vehicle's GPS position data
R GPS position dat aontheroute
((af ewhundred me ters befor ethe incident))
R Direction of tra vel
R Vehicle identification number
R Vehicle driv etype
R Estimated number of people in thev ehicle
R Whe ther Mercedes PR Oconnect is available
or not
R Whe ther thee mer gency cal lwas initia ted
manually or automatically
R Time of thea ccident
Dat atransmit tedisv ehicle information. Fora ny
qu estions about thec ollection, use and sharing
of thee Call sy stem data, please contact MBU‐
SA 's Cus tomer Assis tance Center at 800-FOR-
MERC.
Fo rC anada, please contact MBC’ sCustomer
Assis tance Center at 1-800-387-0 100.
Cust omer requ ests forc ove redi nformation
should be submitted via thes ame channels.
Fo ra ccident clarification purposes ,the following
measures can be take nu ptoa nhour af tert he
emergency call has been initiated:
R The cur rent vehicle position can be de ter‐
mined
R Avoice connection tothev ehicle occupants
can be es tablished 200
Breakdown assis tance
Flat tire
Note
sonf lat tires &
WARNING Risk of an accident whe ndriv‐
ing wi thaflat tire
Af lat tir egreatl yimp airsd rivin gc haracteris‐
tics, as well as steering and braking. #
Do no tdrive wit haf lat tire. #
Remo vethef lat tir eand ins tallthe
spar ewheel or consult aqualified spe‐
cialis tworks hop. Depending on
your vehicle's equipment, in the
eve nt of aflat tir eyou ha vethef ollowing possibil‐
ities:
R Youc an call breakdown assis tance via the
breakdown assis tance cal lbuttonint heove r‐
head control panel (/ page176).
R Chang ethe wheel (/ page234). Batte
ry Note
sont he12Vb attery &
WARNING Risk of an accident du eto
wo rkcar ried out incor rectly on theb at‐
te ry
Wo rkcar ried out incor rectl yont he battery
can, fore xamp le, lead toas hor tcircuit .This
can lead tofunction restrictions in saf ety-re l‐
ev ant sy stems, fore xamp lethel ighting sys‐
te m, ABS (anti-loc kbraking sy stem) or ESP ®
(Elect ronic Stabilit yProgram). The operating
saf etyofy ourvehicle ma yberestricted.
Yo uc oul dlose control of thev ehicle in the
fo llowing situations:
R when braking
R inthee vent of ab rupt steering maneuvers
and/or when thev ehicle's speed is not
adap tedtot heroad conditions #
Inthee vent of ashortcircui tora simi‐
la ri ncident, contact aqualified special‐
is tw orks hop immediately. #
Do no tcontinue driving. #
Alwaysh ave workon theb atter ycarried
out at aqualified specialis tworks hop. R
Further information on ABS (/ page146)
R Further information on ESP ®
(/ page147) Mercedes-Benz
recommends that youh avet he
12 Vb atter yreplaced at aqualified specialist
wo rkshop, e.g. at an authorized Mercedes-Benz
Center.
Should youw ant toreplace theb atter yyourself,
obser vethef ollowing information:
R Alwaysr eplace afaulty batter ywithab attery
whic hfulfills thev ehicle's specific require‐
ments.
R Carryove rdetachable parts suc hasthevent
hose, elbo wfittin gort erminal co verfromt he
batter ytober eplaced.
R Mak esuret hat thev ent hose is alw aysc on‐
nected toits original openin gonthe battery
side.
Ins tallthe existin gorn ewlysupplied stop
plugs.
Otherwise, gases or batter yacid could
escape.
R Mak esuret hat thed etachable parts ar econ‐
nec tedint he same wayasb efore.
Fo rs afet yr easons, Mercedes-Benz recommends
th at youo nly use bat teries that ha vebeen tested
and appr ovedfor your vehicle byMercedes-Benz.
These batteries pr ovide inc reased impact pr otec‐
tion topreve ntvehicle occupants from suf fering
aci db urns should theb atter ybed amaged in an
accident. &
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 lectrostatic 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
th eb atter yisc harging and when jump-s tarting. &
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 no tinhal ebattery gases. Breakdown assis
tance 201