service MERCEDES-BENZ SL CLASS 2020 Owner's Manual

You
canobtain further informat ionfrom your
Merc edes meconnectmanual.
i The syste mhas notbeen abletoinit iate a
Roadside Assistan cecall, if:
R the indic atorlamp forRoadside Assis-
tan cecall button0043 isflashin gcon tinu-
ously.
R no voic econ nection tothe Merc edes-
Ben zCustom erAss istan ceCent erhas
been established.
R
This canoccurifthe relevan tmobile phone
net work isnot available, forexamp le.
The Call Failed Call
Failedmessag eappears inthe
multif unction display.
X To end acall: press the0076 buttononthe
multif unction steerin gwheel.
or X Press thecorrespon dingbuttonfor endin ga
phon ecall onCOMAN D.
MB Info callbutton X
Press MBInfocall button0043.
This initiates acall tothe Merc edes- Benz
Custom erAss istan ceCent er.
The indic atorlamp inMB Infocall button0043
flashes whiletheconnection isbeing made.
The multif unction display showstheCon‐ Con‐
nect ingCall nect
ingCall messag e.The audio system
is mute d.
If acon nection canbemade, theCall Con‐ Call
Con‐
nect ed nect
edmessag eappears inthe multif unction
display. If
amobile phonenet work andGPS receptio n
are available, thesyste mtransf ersdata tothe
Merc edes- BenzCustom erAss istan ceCent er,
for examp le:
R Curren tlocat ionofthe vehic le
R Vehic leident ificationnumbe r
i The
COMAN Ddisplay indicates thatacall
is act ive. Durin gthe call, youcan chan geto
the navig ation menuby press ingthe NAV I
butt ononCOMAN D,for examp le.
Voice output isnot available.
A voic econ nection isest ablished betweenthe
Merc edes- BenzCustom erAss istan ceCent er
and thevehic leocc upant s.
You receive informat ionabout operat ingyour
vehic le,about thenear estMerc edes- BenzSer -
vice Cent erand about otherproduc tsand
serv ices from Mercedes- Benz.
USA only: youcan findfurt her informat ionon
the Merc edes meconnectsyste munder "Own-
ers Onlin e"athtt p:/ /www.m busa.com.
i The syste mhas notbeen abletoinit iate an
MB Infocall, if:
R the indic atorlamp inMB Infocall but-
ton 0043isflashin gcon tinuously.
R no voic econ nection tothe Merc edes-
Ben zCustom erAss istan ceCent erwas
est ablished.
This canoccurifthe relevan tmobile phone
net work isnot available, forexamp le.
The Call Failed Call
Failedmessag eappears inthe
multif unction display.
X To end acall: press the0076 buttononthe
multif unction steerin gwheel.
or X Press thecorrespon dingbuttonfor endin ga
phon ecall onCOMAN D.
Call priorit y When
servicecalls areactive, e.g. Roadside
Ass istan ceorMB Infocalls, anemerg encycall
can stillbeinit iated. Inthis case, anemer-
genc ycall willtakeprior ityand over ride all
oth eract ive calls.
The indic atorlamp ofthe respec tivebutt on
flashes untilthe call isended .
An emerg encycall can only beterminat edby
the Merc edes- BenzCustom erAss istan ceCen-
ter . Featu
res
261Stowage andfeatures Z

garage
dooropener, contactanauthorized
Mercedes-B enzCenter.
Altern atively, youcan callthefollowing tele-
phone assistance services:
R USA: Mercedes-B enzCustomer Assistance
Center at1-80 0-FOR-MERCedes
R Canada: Customer Serviceat
1-80 0-38 7-0100
R HomeLink ®
hotline 1-800-355-3515(free of
charge)
More informat iononHomeLink ®
and/or com-
patible products isalso availa bleonline at
htt p:// www.homelink.c om.
Notes onthe declaration ofconf ormity
(Y page 28).
USA: FCCID:CB2HMIH L4
Canada: IC:279B -HMIH L4
Import antsafety notes G
WARNING
When youoperate orprogram thedoor with
the integrat edgarage dooropener, persons
in the range ofmovement ofthe door may
become trappedorbe struck bythe door.
There isarisk ofinjury.
When usingtheintegrat edgarage door
opener, alwaysmake surethatnobody is
within therange ofmovement ofthe door. G
DANGER
Combustion enginesemitpoisonous
exhaust gasessuchascarbon monoxide.
Inhaling theseexhaust gasesishazardous to
health andcanresult inpoisoning. Thereisa
risk offatal injury. Therefore, neverleavethe
engine runningan enclosed spacewithout
adequa tevent ilation.
Program ming Program
mingthebutt ons
Pay atten tiontothe "Important safetynotes"
(Y page 263). Garage
doorremote control0083 isnot included
with theintegrat edgarage dooropener.
X Turn theSmart Keytoposition 0048inthe igni-
tion lock (Ypage 126).
X Select oneofbutton s0044 to0085 touse to
cont rolthe garage doordrive.
X To star tprogr ammingmode: pressand
hold oneofbutton s0044 to0085 onthe integra-
ted garage dooropener.
The garage dooropener isnow inprogram-
ming mode. Afterashort time,indicator
lamp 0043lights upyellow .
Indicator lamp0043lights upyellow assoon
as button 0044,0087or0085 isstored forthe first
time. Ifthe selected buttonhasalready
been programed, indicatorlamp0043will only
light upyellow aftertenseconds have
elapsed.
X Release button0044,0087or0085. Indicator
lamp 0043flashes yellow.
X To progr amthe remote control: point
garage doorremote control0083 towards but-
tons 0044to0085 onthe rear-view mirrorata
distance of2to 8in (5 to 20 cm).
X Press andhold button 0084onremote control
0083 until indicator lamp0043lights upgreen.
When indicator lamp0043lights upgreen:
programming isfinished.
When indicator lamp0043flashes green:pro-
gramming wassuccessful. Thenext step is
to synchron izethe rolling code
(Y page 264).
X Release button0084onremote control0083 for
the garage doordrive system.
If indicator lamp0043lights upred: repeat the
programing procedureforthe correspon ding
button onthe rear-view mirror.Whendoing
so, vary thedistance between remotecon-
trol 0083and therear-view mirror. Featur
es
263Stowage andfeatu res Z

Engine
compartm ent Hood
Imp ortant safety notes G
WAR
NING
If th ehood isunlat ched, itmay open up
when theveh icle isin mot ionand blockyour
view. Thereis arisk ofan acc iden t.
Nev erunlat chthehood while driving.Bef ore
ever ytrip, ens ure that thehood isloc ked. G
WAR
NING
When openingand closingth ehood ,it may
sudde nlyfall intoth eclo sed posit ion.Ther e
is arisk ofinjury topers onswith inran geof
mov emen tof thehood .
Open andclosethehood onlywhen noone
is with inits ran geofmov emen t. G
WAR
NING
Open ingthehood when theeng ineisove r-
heat edorwhen there isafir ein theeng ine
com partmen tcoul dexp ose you tohot gases
or other servicepro duct s.Ther eis arisk of
inj ury.
Let anove rheatedeng inecoo ldown before
open ingthehood .If th ere isafir ein the
eng inecom partmen t,ke ep thehood closed
and contactth efir edepar tment . G
WAR
NING
The enginecom partmen tcon tain smov ing
com ponents.Cert aincom ponents,suc has
th eradiat orfan ,may continue torun orstart
again sudde nlywhen theign ition isoff .
Ther eis arisk ofinjury.
If you needto do any work inside theeng ine
com partmen t:
R swit choff theign ition
R nev erreac hint oth earea whereth ere isa
risk ofdang erfrom mov ingcom ponents,
suc has thefan rotatio narea R
rem ove jewelry andwatc hes
R ke ep items ofclo thing and hair, forexam -
ple, away from mov ingpart s
To ens ure theflow offresh airthroug hth eair
ven tsint oth eveh icle interio r,please observe
th efoll owin gno tes: (Y page 122)
Open ingthehood G
WAR
NING
Cert aincom ponentsin theeng inecom part-
men t,suc has theeng ine,radiat orand parts
of theexh aust system, canbecome very
hot .Wor kingin theeng inecom partmen t
pose sa risk ofinjury.
Wher eposs ible, lettheeng inecoo ldown
and touch onlythecom ponentsdesc ribedin
th efoll owin g. G
WAR
NING
When thehood isopen andthewind shield
wiper sare setinmot ion,you can beinjured
by thewiper linkage. Thereis arisk ofinjury.
Always switchoff thewind shieldwiper sand
th eign ition befo reopen ingthehood .
! Mak
esure that thewind shieldwiper sare
no tfold edaway from thewind shield.You
coul dot her wise damag eth ewind shieldwip-
ers orthehood . X
Mak esure that thewind shieldwiper sare
tur ned off.
X Pull release lever0043 onthehood .
The hood isrele ased. 268
Engine
compartm entMa intenance andcare

G
WARNING
If engine oilcomes intocontact withhot
components inthe engine compartment, it
may ignite. Thereisarisk offire and injury .
Make surethatengine oilisnot spilled next
to the filler neck. Letthe engine cooldown
and thoroug hlyclea nthe engine oiloff the
components beforestarting theengine. H
Envi
ronmental note
When addingoil,take carenottospil lany. If
oil enters thesoil orwate rways,itis harmfu l
to the environment.
! Use
only engine oilsand oilfilters thatare
app roved forvehicl eswith aservice system.
A list ofthe engine oilsand oilfilters that
have been tested andapproved inaccord-
ance withMercede s-BenzSpecifications for
Service Productsisava ilable atany author-
ized Mercede s-BenzCenter.
The followi ngcaus eengine failure ordam-
age tothe exhau stsystem:
R Use ofengine oilsand oilfilters thathave
not been express lyapp roved forthe ser-
vice system
R Rep lace ment ofengine oiland oilfilter
after thereplacement intervalspecified
by the service system hasexpire d
R Use ofengine oiladd itives
! Do
not add toomuch oil.If the oilleve lis
abo vethe "ma x"mark onthe dipstick, too
much oilhas been added. This canleadto
dama getothe engine orthe catal yticcon-
verter. Haveexcess oilsiph oned off. Example
:engine oilcap X
Turn cap0043counter-clockwi seand remove
it.
X Add engine oil.
If the oilleve lis at or bel ow the MIN mark
on the oildip stick, add1.1USqt(1.0 liter)
of engine oil.
X Rep lace cap0043onthe filler neck andturn
clockwis e.
Ensure thatthecap locks intoplace
secure ly.
X Che ckthe oilleve laga inwith theoildip stick
(Y pag e269) .
Further informati ononengine oil
(Y pag e327) . Che
ckin gand adding otherservice
products
Che ckin gco olan tlev el G
WARNING
Certa incomponents inthe engine compart-
ment, suchasthe engine, radiator andparts
of the exhau stsystem, canbecome very
hot. Working inthe engine compartment
poses arisk ofinjury .
Where possible,let the engine cooldown
and touch onlythecomponents describedin
the followi ng. G
WARNING
Opening thehood when theengine isover-
hea ted orwhen thereisafire inthe engine
compartment couldexpose youtohot gase s
or other service products.There isarisk of
injury .
Let anoverhe atedengine cooldownbefore
openi ngthe hood. Ifthere isafire inthe
engine compartment, keepthehood closed
and contact thefire depa rtment. G
WARNING
The engine compartment containsmoving
components. Certaincomponents, suchas
the radiator fan,may continue torun orstart
aga insud denly whentheignitio nis off.
There isarisk ofinjury . 270
Eng
inecompar tmentMainten anceandcare

If
you need todo any work inside theengine
compartment:
R switch offthe ignition
R never reach intothearea where thereisa
risk ofdanger frommoving components,
such asthe fanrotation area
R remove jewelryandwatches
R keep items ofclothing andhair, forexam-
ple, awayfrom moving parts G
WARNING
The cooling systemispressu rized,particu-
larl ywhen themotor iswarm. Ifyou open
the cap, youcould bescalde difhot coolant
spray sout. There isarisk ofinjury.
Let the engine cooldown before youopen
the cap. Wear protective glovesandprotec-
tive eyew earwhen opening. Openthecap
slow lyto relea sepressu re. Example
X Park thevehicle onalevel surface.
Only check thecoolant levelwhen thevehi-
cle ison alevel surface andtheengine has
cooled down.
X Turn theSmartKey topositio n0048 inthe igni-
tion lock (Ypage 126).
On vehicle swith KEYLESS- GO,press the
Start/St opbutton twice(Ypage 126).
X Check thecoolant temperature gageinthe
multifu nctiondisplay.
The coolant temperature mustbebelow
158 ‡(70 †).
X Turn theSmartKey topositio n0092
(Y page 126)inthe ignition lock. X
Slowl yturn cap0044half aturn counter-clock-
wise toallow excess pressureto escape .
X Turn cap0044further <004600520058005100570048005500100046004F00520046004E005A004C0056
0048[ and
remove it.
If the coolant isat the level ofmarker bar
0087 inthe fillerneck when cold,there is
enough coolant incoolant expansion
tank 0043.
If the coolant levelisappro ximately 0.6in
(1.5 cm)above marker bar0087inthe filler
neck when warm, thereisenough coolant in
expansion tank0043.
X Ifnecessary ,add coolant thathasbeen tes-
ted and appro vedbyMercedes-Benz.
X Repl acecap 0044and turn itclockwise asfar
as itwil lgo.
Further information oncoolant (Ypage 328).
Windshie ldwashe rsystem G
WARNING
Certai ncomponents inthe engine compart-
ment, suchasthe engine, radiator andparts
of the exhau stsystem, canbecome very
hot. Working inthe engine compartment
poses arisk ofinjury.
Where possible,let the engine cooldown
and touch onlythecomponents describedin
the follow ing. G
WARNING
If you open thehood when thedrive system
has overhea tedorduri ngafire inthe engine
compartment, youcould come intocontact
with hotgases orother escapi ngopera ting
flui ds. There isarisk ofburns.
Let the overhea tedcomponents cooldown
before opening thehood. Inthe event ofa
fire inthe engine compartment, keepthe
hood closed andcallthefire service. G
WARNING
Windshi eldwash erconcentrate ishighl y
flamma ble.Ifwindshi eldwash erconcentrate
gets onto hotcomponents ofthe engine or
the exhau stsystem, itcan ignite. Thereisa
risk offire and injury. Eng
inecompar tment
271Maintenanc eand care
Z

Make
surethatwindshield washerconcen-
trate isnot spilled inthe vicinity ofthe filler
neck . Example
X To open: pullcap 0043upwa rdsbythe tab.
X Add thepremixed washerfluid.
X To close :press cap0043onto thefiller neck
until itengages.
If the washer fluidlevel drops below therec-
ommended minimumfluidlevel of1US qt
(1 liter), amessage appearsinthe multifunc-
tion display prompting youtoadd washer fluid
(Y page 234).
Further information onwindshield washer
fluid/antifreeze (Ypage 329). Overview
ofthe engine compart -
ment Example
engine
0043 Oildipstick
0044 Brake fluidreservoir
0087 Engin eoil cap
0085 Coolant expansion tank
0083 Washer fluidreservoir ASSYST
PLUS Service
display
The ASSYST PLUS service interval displayindi-
cates theremaining timeperiod orthe remain-
ing distance tothe next regular service due
date.
Inform ationonthe type ofservice andservice
intervals (seetheseparate Maintenanc eBook-
let).
You canobtain further information froman
authorized Mercedes-Ben zCenter orat
http: //www.mbusa.com (USAonly).
i The
ASSYST PLUS service interval display
does notshow anyinformation onthe
engine oillevel. Observe thenotes onthe
engine oillevel (Ypage 269).
The multifunction displayshowsaservice dis-
play forafew seconds, e.g.:
R Service Ain ..Days Service
Ain ..Days
R Service ADue Service
ADue
R Service AExceeded by..Days Service
AExceeded by..Days
Depending onthe operating conditionsof the
vehicle, theremaining timeordistance until
the next service duedate isdisplay ed.
The letter A A
or B B,
possibly inconn ection witha
number oranother letter,shows thetype of
service. A A
stands foraminor service andB B
for
a major service.
You canobtain further information froman
authorized Mercedes-Ben zCenter.
Depending onhow thevehicle isused, the
ASS YST PLUS service interval displaymay
reduce theservice interval, e.g.inthe follow-
ing situations:
X the vehicle isprimarily usedtotravel short
distances
X ifthe engine isoften leftidling forlong peri-
ods
X ifthere arefrequent coldstart phases
Mercedes-Ben zrecommen dsyou avoid such
operating conditions.
The ASSYST PLUS service interval displaydoes
not take intoaccount anyperiods oftime dur-
ing which thebattery isdisconnec ted. 272
ASSY
STPLUSMaintenance andcare

Maintaining
thetime-dependent servicesched-
ule:
X Note down theservice duedate display edin
the multifunction displaybeforedisconnec t-
ing the battery.
or X Aft erreconn ectingthebattery, subtract the
battery disconnec tionperiods fromtheser-
vice date shown onthe display . Hiding
service displays
X Press the0076 or0038 button onthe steer-
ing wheel. Showing
servicedisplays
X Switch onthe ignition.
X Press 0059or0065 onthe steering wheel
to select theServ. Serv.
menu.
X Press 0063or0064 toselect theASSYST ASSYST
PLUS PLUS
submenu andconfirm bypressing the
0076 button.
The service duedate appears inthe multi-
funct iondisplay . Informat
ionabout Service
Resetting theASSYST PLUSservice
interval display !
If
the ASS YST PLUS service interval dis-
play hasbeen inadvertent lyreset, thisset-
ting canbecorrect edataqual ified special-
ist workshop.
Have service workcarried outasdescribed
in the Maintenanc eBooklet. Thismay other-
wise leadtoincreased wearanddamage to
the major assemblies orthe vehicle.
A qual ified specialist workshop, e.g.anauthor-
ized Mercedes-Ben zCenter, willreset the
ASS YST PLUS service interval displayafterthe
service workhasbeen carried out.Youcan
also obtain further information onmainte-
nance work,forexample. Special
servicerequirements The
specified maintenanc einterval takesonly
the normal operation ofthe vehicle into
account. Serviceworkwillneed tobe per-
formed moreoften ifthe vehicle isoperated
under arduou scondition sor increased loads.
The ASSYST PLUS service interval displayis
only anaid. Thedriver ofthe vehicle isrespon-
sible forwhether serviceworkwillneed tobe
performed morefrequently thanrequired asa
result ofthe actual operating conditions
and/or loads.
Examples ofarduou soperating conditions:
R regular citydriving withfrequent intermedi-
ate stops
R the vehicle isprimarily usedtotravel short
distances
R frequent useinmountainous terrainoron
poor roadsurfaces
R the engine isoften leftidling forlong peri-
ods
R particularly dustycondition s,or ifair-recir-
culation modeisfrequently used
In these orsimilar operating conditions,have
the interior filter,airfilter, engine oiland oilfil-
ter, forexample, changedmorefrequently.
Under arduou soperating conditions,the tires
must becheck edmore often. Further informa-
tion canbeobtained ataqual ified specialist
workshop.
Driving abroad An
exten siveMercedes-Ben zService network
is also availa bleinother countr ies.You can
obtain further information fromanyauthorized
Mercedes-Ben zService Center. Care
Notes
oncare H
Environmental
note
Dispose ofempty packaging andcleaning
cloths inan environm entallyresponsible
manner.
! When
cleaning yourcar,donot use:
R dry, coarse orhard cloths
R abrasive cleaningagents Care
273Maintenance andcare Z

X
Use tarremover toremove tarstains.
X Use silicone remover toremove wax.
If water nolonger forms"beads"onthe paint
surface, usethepaint careproducts recom-
mended andapproved byMercedes-Benz .This
is the case approximately everythreetofive
months, depending onthe climate conditions
and thecare product used.
If dirt has penetrated thepaint surface orif
the paint hasbecome dull,the paint cleaner
recommended andapproved byMercedes-
Benz should beused.
Do not use these careproducts inthe sun or
on the hood while thehood ishot.
X Use asuitabl etouch-up stick,e.g.MB
Touch-Up Stick,to repair slightdamage to
the paintwork quicklyandprovisionall y.
Matt efinish care !
Never
polish thevehicle orthe light alloy
wheels. Polishingcauses thefinish toshine.
! The
followi ngcan give thepaint aglossy
appea rance andthus reduce thematt
effect:
R Rubb inghard withunsuitabl eagents
R Washing thevehicle indirect sunlight
! Never
usepaint cleaner, buffingorpolish-
ing products, orgloss preserver, e.g.wax,
for the purpose ofpaintwork care.These
products areonly suitabl efor high-gloss sur-
faces. Theiruseonvehicles withmatte
paintwork leadstoconsiderable surface
damage or,more specificall y,to shiny, spot-
ted areas.
Alway shave paintwork repairscarried outat
a qual ified speciali stworkshop.
! Only
useautomatic carwashes whichcor-
respond tothe latest technological stand-
ards. Never usewash programs whichfinish
by treating thevehicle withhotwax.
Observe thesenotes ifyour vehicle hasaclear
matte finish. Thiswillhelp youtoavoid dam-
age tothe paintwork duetoincorrect treat-
ment.
These notesalsoapply tolight alloy wheels
with aclear matte finish.
i Use
only insect remover andcarshampoo
from therange ofrecommended and
approved Mercedes-Benz careproducts. Cle
aning thedecorative film !
The
followi ngmay have aneffect onthe
service lifeand color ofdecorative film:
R sunlight
R temperature, e.g.hot-air fan
R weather conditions
R stone impacts anddirt
R chemical cleaningagents
R greasy substances
! Do
not use anytypes ofpolish onmatt
decorative film.Polishi ngsurfaces covered
with filmgives itashiny finish.
! Do
not treat mattorstructured decorative
film with wax. Thismay lead tomarks that
cannot beremoved.
Observe thenotes inthe section onthe care
and treatment ofmatte paintwork
(Y page 276); these notes alsoapply tomatte
decorative film.
To clean, useplenty ofwater andamild clean-
ing agent without additional orabrasi veprod-
ucts, e.g.acar shampoo approved by
Mercedes-Benz .
X Dry vehicles coveredwithfilmusing asoft,
absorbent clothafterevery wash.
Water marks couldotherwise form.
Scratc hes,corrosive deposits,areasaffected
by corrosion anddamage causedbyinade-
quate carecannot alwaysbe completely
repaired. Insuch cases, visitaqual ified spe-
cialist workshop.
X Remove dirtimmediately ,where possible ,
while avoidi ngrubbing toohard.
The decorative filmmay beirreparab lydam-
aged.
X Soak insect remains withinsect remover
and rinse offthe treated areasafterwards.
X Soak birddroppings withwater andrinse off
the treated areasafterwards.
The cleaning product, PaintCleaner, which has
been approved andrecommended by
Mercedes-Benz ,should beused when dirthas
penetrated thedecorative filmsurface orthe
decorative filmhasbecome dull.
The manufacturer canprovide youwith infor-
mation onspecial careandcleaning products.
Laminated surfacesmayexhibit optical differ-
ences tosurfaces whichwerenotprotected by 276
CareMaintenance
andcare

!
Have
thebattery regularlychecked ata
qual ified speciali stworkshop.
Comply withtheservice intervals inthe
Maintenance Booklet,orcont actaqual ified
speciali stworkshop formore information.
! Alway
shave work onbatteries carriedout
at aqual ified speciali stworkshop.
Should it,inexceptional circumstances, be
absolu telynecessary todisconnect the12-
volt battery yourself,please observe thefol-
lowing:
R Secure thevehicle toprevent itfrom roll-
ing awa y.
R Switch offthe ignition.
R Disconn ectthe negative terminalfirstand
then thepositive terminal.
After thework hasbeen done, install the
battery andreplace thecover ofthe positive
terminal clampfirmly.
Comply withsafety precautions andtake pro-
tect ivemeasures whenhandling batteries. Risk
ofexplosion. Fire,
open flames andsmoking are
prohibited whenhandling thebat-
tery. Avoid creating sparks. Battery
acidiscaustic. Avoidcon-
tact with skin, eyesorclothing.
Wear suitabl eprotective clothing,
especial lygloves, apronandface-
guard.
Rinse anyacid spills immediately
with clear water. Contact aphysi-
cian ifnecessary. Wear
eyeprotection. Keep
children away. Observe
thisOperator's Manual.
For safety reasons, Mercedes-Benz recom-
mends thatyouonly usebatteries whichhave been
tested andapproved foryour vehicle by
Mercedes-Benz .These batteries provide
increased impactprotection toprevent vehicle
occupants fromsuffering acidburns should
the battery bedamage din the event ofan
accident.
In order forthe battery toachieve themaxi-
mum possible servicelife,itmust alwaysbe
sufficiently charged.
Like other batteries, thevehicle battery may
discharge overtime ifyou donot use thevehi-
cle. Inthis case, havethebattery disconnec-
ted ataqual ified speciali stworkshop. Youcan
also charge thebattery withacharger recom-
mended byMercedes-Benz .Contact aqual i-
fied speciali stworkshop forfurther informa-
tion.
Have thebattery condition ofcharge checked
more frequently ifyou usethevehicle mainly
for short tripsorifyou leave itstanding idle
for alengthy period.Consult aqual ified spe-
cialist workshop ifyou wish toleave yourvehi-
cle parked foralong period oftime.
Remove theSmartKey ifyou park thevehicle
and donot require anyelectrical consumers.
The vehicle willthen usevery little energy,
thus conserving batterypower.
After aninterruption tothe power supply,e.g.
due toadischarged battery,youmust reset
the clock (seetheDigital Operator's Manual). Charging
thebattery G
WARNING
During charging andjump-startin g,explosive
gases canescape fromthebattery. Thereis
a risk ofan explosion.
Particularl yavoid fire,open flames, creating
sparks andsmoking. Ensurethereissuffi-
cient ventilation whilecharging andjump-
starting. Donot lean over abattery. G
WARNING
Battery acidiscaustic. Thereisarisk of
injury.
Avoid contactwith skin, eyesorclothing. Do
not inhale anybattery gases.Donot lean
over thebattery. Keepchildren awayfrom
batteries. Washawaybattery acidimmedi- Bat
tery (vehic le)
287Breakdown assistance
Z

ate
lywith plentyof cle an wate rand seek
medi calattent ion. G
WAR
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A disc harg edbat tery can freez eat temper a-
tur es below freez ing poin t.When jump-start-
ing theveh icle orchargin gth ebat tery,
gases canescape from thebat tery. Ther eis
a risk ofan exp losio n.
Allo wthefroz en bat tery to thaw out befo re
ch argin git or jum p-starting.
! On
lyuse battery charge rswith amax imum
ch argin gvolt age of14 .8V.
! On
lych arge thebat tery usin gth ejum p-
st art ing con nectionpoin t.
The jump-startingcon nectionpoin tis in the
eng inecom partmen t.
If th eind icat or/warn inglamps donotlight up
at low temper atures,itis ver ylike lythat the
disc harg edbat tery has froz en. Inthis cas e,
you may neither charge thebat tery norjum p-
st art theveh icle.The servicelife ofath awed-
out battery may beshor ter. The start ing char-
act eris ticscan beimpair ed,part icular lyat low
te mper atures.Hav eth eth awed- outbattery
ch eck edataqualifi edspec ialist workshop.
Read thebat tery charge r'soper atingins truc-
tio ns befo rechargin gth ebat tery.
X Open thehood .
X Con nectth ebat tery charge rto theposit ive
te rm inal and ground pointin thesame order as
when connectingth edon orbat tery inthe
jum p-startingproc edure (Ypage 288). Rep
lacing the12 Vbat tery
Obse rveth eno teson the12 Vbat tery
(Y page 285).
Mer cedes-Ben zrec omm endsth at you have
th e12 Vbat tery repl aced ataqualifi edspe-
cialis twork shop,e.g .at an auth orized
Mer cedes-Ben zCent er.
If you want torepl ace thebat tery yours elf,
obse rveth efoll owin gno tes:
R Always replace adefe ctive battery with a
bat tery whic hmeet sth espec ificrequi re-
men tsof theveh icle.
The vehicle isequippe dwith anAGM
(Ab sorben tGlass Mat)te ch no logy battery.
Full vehicle function alit yis on lyguaran teed
with anAGM battery. For safe tyreas ons,
Mer cedes-Ben zrec omm endsth at you only
use batteries whic hhave been tested and
appro vedforyour vehicle byMer cedes-
Ben z.
R Use detach able partssuc has breat her
hose s,ang led con nectingpiec esorterm inal
cov ers from thebat tery whic his to be
repl aced .
R Mak esure that theven those isalways con-
nec tedto theorig inal open ingonthebat -
te ry side.
R Inst all existing orsupplie dcel lcaps topre-
ven tgases orbat tery acid from escapin g.
R Mak esure that thedet ach able partsare
con nectedagain inthesame way. Jum
p-st ar tin g
For thejum p-startingproc edure ,use onlythejum p-startingcon nectionpoin tin theeng inecom -
part men t,con sisting ofaposit iveterm inal and agro und point. G
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Bat tery acid iscaus tic.Ther eis arisk ofinjury.
Av oid contactwith skin, eyes orclo thing .Do notinh ale any battery gases .Do notlean overth e
bat tery. Keep childre naway from batteries .Wash awaybattery acid immediat elywith plentyof
cle an wate rand seek medicalattent ion. 288
Jum
p-st ar tin gBreak down assistance