battery MERCEDES-BENZ GLA 2020 Owner's Manual

Trip
menu
Stan dard display X
Pre ssand holdthe 0038 button onthe
stee ringwh eelunti lthe Trip Tri
pmenu with trip
od ome ter0043and odome ter0044appe ars.
Trip compute r"F rom Start" or"From
Res et" 0043
Distance
0044 Driv ingtime
0087 Aver agesp ee d
0085 Aver agefu el cons umption
X Pre ssthe 0059 or0065 button onthe stee r-
ing wheelto sel ect the Trip Tri
pmenu .
X Pre ssthe 0063 or0064 button tosel ect
Fro mSta rt Fro
mSta rtorFro mRes et Fro
mRes et.
The values inthe FromSta rt Fro
mSta rtsubme nuare
cal cul ate dfro mthe startof ajou rney whilst
the values inthe FromRes et Fro
mRes etsubme nuare
cal cul ate dfro mthe last time thesubme nuwas
res et(Y page 193 ).
In the followi ng cas es, the trip comp uteris
au toma tically res etFro mSta rt Fro
mSta rt:
R the igniti onhasbe en switch edoff for mor e
tha nfou rhou rs.
R 999 hourshave been exce eded.
R 9,9 99 mileshave been exce eded.
Wh en9,9 99 hou rsor 99, 999 mileshave been
exce eded,the trip comp uteris au toma tically
res etFro mRes et Fro
mRes et. EC
Odis play The
ECO disp layis not availa bl e in Me rced es-
AMG vehicles.
X Pre ssthe 0059 or0065 button onthe stee r-
ing wheelto sel ect the Trip Tri
pmenu .
X Pre ssthe 0063 or0064 button tosel ect
ECO DISPLAY ECO
DISPLAY.
If the igniti onrem ains switch edoff for longe r
tha nfou rhou rs,the ECO disp laywi llbe auto-
ma tica lly res et.
For mor einfo rma tionon the ECO disp lay, see
(Y page 149 ).
Di spl aying the rang eand curren tfue l
co ns umptio n Me
rced es-AMG vehicles: the menu onlysho ws
ra nge 0043.
X Pre ssthe 0059 or0065 button onthe stee r-
ing wheelto sel ect the Trip Tri
pmenu .
X Pre ss0063 or0064 tosel ect the disp lay
wi th appro xim ate range 0043and current fuel
cons umption 0044.
App roximaterange 0043thatcan becove red
is cal cul ate dacc ording toyour cur rent driv-
ing styleand theamount offuel in the tank.
If the reisonl ya sma llam ount offuel left in
the fuel tank, aveh iclebe ing refueled 00A8
ap pe arsins tea dof appro xim ate range 0043.
Re cup erationdisp lay0087 sho wsyouif
ene rgy hasbe en recu perated fromthe
kine ticene rgy inove rrunmod eand saved in
the battery .Re cup erationdisp lay0087
de pends onthe engineinstalled and is
the refore not availabl e in allveh icles. 19
2 Me
nus and submen usOn-bo ard computer anddisplay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 003D
See Operator'sMan ‐ See
Operator'sMan ‐
ual ual The
battery isno tbein gch arg ed.
A warn ingtone also soun ds.
Pos siblecaus esare:
R adef ective altern ator
R ato rn poly- V-belt
R amalf unction intheelec tron ics
! Do
notdri ve any further. Other wise theen gin emay overheat.
X Pull overand stop theveh iclesaf ely and switchoff theen gin e,
payin gatt ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Con sult aqualif iedspecialistwor kshop . 003D
Sto pVeh icleSee Sto
pVeh icleSee
Ope rator'sMan ual Ope
rator'sMan ual The
battery isno longer bein gch arg edand theco nd ition ofcharg e
is toolow.
A warn ingtone also soun ds.
X Pull overand stop theveh iclesaf ely and switchoff theen gin e,
payin gatt ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Obs erveth eins truct ionsin thedisp laymes sage 003D SeeOper‐ See
Oper‐
ato r's Manual ato
r's Manual.
X Con sult aqualif iedspecialistwor kshop . 00B2
Che ckEngine Oil Che
ckEngine Oil
At NextRef uel ing At
NextRef uel ing The
engin eoil levelhas dropped tothemin imum level.
A warn ingtone also soun ds.
! Av
oid longer journ eys when there isins ufficien ten gin eoil. You
co uld other wise damag eth een gin e.
X Chec kth eoil levelwhen next ref uelin g,at thelat est
(Y page 275).
X Ifne cessar y,add engin eoil (Ypage 276).
If th eengin eoil need stop pingup mor eoft en:
X Con tacta qualif iedspecialistwor kshop andhaveth een gin e
ch ecke d.
In for mat iononappr oveden gin eoils can beobt ained from any quali-
fie dspe cialistwor kshop oron theIn te rn et athttp :/ /
bev o.mer cedes -ben z.co m. 00D4
Fue lLev elLow Fue
lLev elLow The
fuel levelhas dropped intoth eres erveran ge.
X Refue lat thene ares tgas stati on. Disp
laymes sage s
219On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Sto
pVeh icleShi ft Sto
pVeh icleShi ft
to PLea veEngine to
PLea veEngine
Run ning Run
ning The
auto matictrans mis sion hasoverheated.
X Dr ive oncar eful ly.
The auto matictrans mis sion isavail able again whenthedisp lay
mes sage goesout .
If th emult ifunction disp laystill sho wsthedisp laymes sage :
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Wait untilth eauto matictrans mis sion hascooled down andthe
disp laymes sage hasdisap peared. Aux
iliary Battery Aux
iliary Battery
Mal function Mal
function The
auxiliary battery for theauto matictrans mis sion isno longer
bein gch arg ed.
X Vis itaqualif iedspecialistwor kshop .
X Un tilth en ,always shiftthetrans mis sion topos ition 005Dbefore
you switchoff theen gin e.
X Be for eleav ingtheveh icle, apply theelec tric park ingbrak e. Tra
ns. OilOverhe a‐ Tra
ns. OilOverhe a‐
ted Driveonwith ted
Driveonwith
Car e Car
e Mer
cedes -AMG vehicles: thetrans mis sion oilhas overheated.
Man ualdrive pro gram0063 and thete mpo rarily act ive man ualdrive
pro gramare nolonger avail able. Theengin epowe rout put is
red uce d.
X Allow theveh icleto cool down . 4ma
tic Currently 4ma
tic Currently
Una vailable Una
vailable 4M
ATIC has overheated.The vehicleis on lydri ven bythefron t
whee ls.
X Dr ive on.
The airflow cools 4MATIC mor equic kly.
Whe nth edisp laymes sage goesout ,4M ATIC isavail able again
and theveh icleis dri ven byallfou rwhee ls. 4ma
tic Inoperative 4ma
tic Inoperative 4M
ATIC ismalf unction ing .The vehicleis on lydri ven bythefron t
whee ls.
X Vis itaqualif iedspecialistwor kshop . 0065 The
tailgat eis open
G WAR
NING
Whe nth een gin eis run ning,exhaust gasescan enterth eveh icle
int erior ifth etai lgat eis open .
The reisaris kof pois oning .
X Clos eth etai lgat e. 228
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Smar
tKey Display
messages Possible
causes/co nsequences and0050 0050
Solutions 00AF
Key Does Not Key
Does Not
Belong toVehicle Belong
toVehicle You
have putthewrong SmartK eyinthe ignition lock.
X Use thecorrect SmartKey. 00AF
Take YourKeyfrom Take
YourKeyfrom
Ignition Ignition The
SmartK eyisin the ignition lock.
A warning tonesounds
X Remove theSmartK ey. 00AF
Obtain aNew Key Obtain
aNew Key The
SmartK eyneeds tobe replaced.
X Visit aquali fiedspecialist workshop. 00AF
Replace KeyBattery Replace
KeyBattery The
SmartK eybattery isdischarged.
X Change thebattery (Ypage 72). 00AF
Don't Forget Your Don't
Forget Your
Key Key The
display message isshown foramaximum of60 seconds andis
only areminder.
You have opened thedriver's doorwiththeengine switched off.The
SmartK eyisnot inthe ignition lock.Awarning tonesounds.
X Take theSmartK eywith youwhen youleave thevehicle. 00AF
Key NotDetected Key
NotDetected
(red display message) The
SmartK eyisnot inthe vehicle.
A warning tonealsosounds.
If the engine isswitched off,you can nolonger lockthevehicle cen-
trally orstart theengine.
X Pull over andstop thevehicle safelyassoon aspossible, paying
atten tiontoroad andtraffic condition s.
X Secure thevehicle against rollingaway(Ypage 145).
X Locate theSmartK ey. Because
thereisinterf erence fromastron gsource ofradio waves,
the SmartK eyisnot detect edwhilst theengine isrunning.
A warning tonealsosounds.
X Pull over andstop thevehicle safelyassoon aspossible, paying
atten tiontoroad andtraffic condition s.
X Secure thevehicle against rollingaway(Ypage 145).
X Insert theSmartK eyinto theignition lockanddrive inSmartK ey
mode. 230
Display
messagesOn-board computerand displays

X
Turn theSmart Keytoposition 0048inthe igni-
tion lock (Ypage 125).
X Vehicles
withastowage compartment
cover: pressthelower section ofcover 0043.
The stowage compartmentopens.
X Press incigarett elighter 0044.
Cigarette lighter0044will pop outautomati-
cally when theheating element isred-hot . 12
Vsockets
General notes X
Turn theSmart Keytoposition 0047inthe igni-
tion lock (Ypage 125).
The socket scan beused foraccessories with
a maximum drawof180 W(15 A).Acc essories
include suchitems aschargers formobile
phones.
If you usethesocket sfor long periods when
the engine isswitched off,thebattery maydis-
charge.
An emergenc ycut- out ensures thattheon-
board voltage doesnotdrop toolow. Ifthe on-
board voltage istoo low, thepower tothe
socket sis automatically cut.This ensures that
there issufficient powertostart theengine.
Socket inthe front center console X
Vehicles
withastowage compartment
cover: pressthelower section ofthe cover.
The stowage compartmentopens.
X Lift upthe cover ofthe socket . Socket
inthe rear passenger compart-
ment center console X
Pull thecover outbythe top ofthe handle
edge.
X Lift upthe cover ofthe socket .
Socket inthe cargo compar tment X
Lift upthe cover ofsocket 0043. Mercedes
meconnec t
General notes A
license agreement mustbeinplace inorder
to activate theMercedes meconn ectservice.
Make surethatyour system isactivated and
operational. Toregister, pressthe00D9 MB
Info callbutton .If any ofthe steps mentioned
are not carried out,thesystem maynotbe
activated.
If you have questions abouttheactivation ,
cont actone ofthe following telephone hot-
lines:
R USA: Mercedes- BenzCustomer Assistance
Center at1-8 00-FOR-ME RCedes
(1-80 0-367-6372 )or 1-86 6-990-9007
R Canada: Customer Serviceat
1-88 8-923-8367
Short lyafter successfully registeringwith the
service, auser IDand password willbesent to
you bypost.
USA only: youcan usethis password tolog
onto theMercedes meconn ectarea under
"Owners Online"athtt p://www.mbusa. com. Featur
es
261Stowage andfeatu res Z

The
system isavailabl eif:
R ithas been activated andisoperational
R the correspon dingmobile phonenetwork is
availabl efor trans mittingdata tothe Cus-
tomer Center
R aservice subscription isavailabl e
R the start erbattery issufficient lycharged
i Deter mining thelocation ofthe vehicle on
a map isonly possible if:
R GPS reception isavailabl e
R the vehicle position canbeforwarded to
the Customer AssistanceCenter
The Mercedes meconnec tsystem To
adjust thevolume duringacall, proceed as
follows:
X Press the0081 or0082 button onthe multi-
funct ionsteerin gwheel.
or X Use themultimedia system'svolumecon-
trol.
The system offersvarious services, e.g.:
R Automat icand manual emergenc ycall
R Roadside Assistancecall
R MB Info call
USA only: youcan find inform ationanda
description ofall availabl efeatures under
"Owners Online"athtt p:// www.mbusa.com.
System self-test Aft
eryou have switched onthe ignition, the
system carriesoutaself-diagnosis.
A malfunct ioninthe system hasbeen detec-
ted ifone ofthe following occurs:
R The indicator lampinthe SOS button does
not come onduring thesystem self-test.
R The indicator lampinthe 0052 Roadside
Assist ancecallbutton doesnotlight updur-
ing self-diagnosis ofthe system.
R The indicator lampinthe 00D9 MBInfo call
button doesnotlight upduring self-diagno-
sis ofthe system. R
The indicator lampinone ormore ofthe fol-
lowing buttonscont inues tolight upred
after thesystem self-diagnosis:
- SOS button
- 0052 Roadside Assistancecallbutton
- 00D9 MBInfo callbutton
R Aft erthe system self-diagnosis, theInoper‐ Inoper‐
ative ative
orService NotActivated Service
NotActivated mes-
sage appears inthe multifunct iondisplay .
If amalfunct ionisindicated asoutlined above,
the system maynotoperate asexpect ed.In
the event ofan emergenc y,help willhave to
be summoned byother means.
Have thesystem checkedatthe nearest
Mercedes- BenzServic eCenter orcont actthe
following servicehotlines:
R USA: Mercedes- BenzCustomer Assistance
Center at1-8 00-FOR-ME RCedes
(1-80 0-367-6372 )or 1-86 6-990-9007
R Canada: Customer Serviceat
1-88 8-923-8367
Emergency call Import
antsafety notes G
WARNING
It can bedangerous toremain inthe vehicle,
even ifyou have pressed theSOS button in
an emergenc yif:
R you seesmoke insideoroutside ofthe
vehicle, e.g.ifthere isafire after anacci-
dent
R the vehicle ison adangerous sectionof
road
R the vehicle isnot visible orcann oteasily
be seen byother roadusers, particularly
when darkorinpoor visibility conditions
There isarisk ofan accident andinjury.
Leave thevehicle immediately inthis orsim-
ilar situations assoon asitis safe todo so.
Move toasafe location alongwithother
vehicle occupant s.In such situations, secure
the vehicle inaccordanc ewith national regu-
lations, e.g. with awarning triangle.
A license agreement mustbeinplace inorder
to activate theMercedes meconn ectservice.
Make surethatyour system isactivated and 262
Featur
esStowage andfeatu res

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
Windsh ieldwas herconcentrate ishigh ly
flamma ble.If winds hieldwas herconcentrate
gets onto hotcomponents ofthe engine or
the exhau stsystem, itcan ignite. Thereisa
risk offire and injury .
Make surethatwinds hieldwas herconcen-
trate isnot spilled inthe vicinity ofthe filler
neck. X
To open :pul lcap 0043upw ards bythe tab.
X Add thepremi xedwasherfluid.
X To clo se: press cap0043onto thefiller neck
until itengag es.
If the was herfluidleve ldrops below the rec-
ommended minimumof 1liter, amessa ge
app ears inthe multi function displayprompti ng
you toadd washerfluid(Y pag e229) .
Further informati onon winds hieldwas her
flui d/antifree ze(Y pag e339). ASSY
STPLU S Servic
emessag e
The ASSYST PLUSservice interval display
informs youofthe next service duedate.
You canfind informati ononthe type ofservice
and service intervalsin the Maintenance Book-
let.
You canobtai nfurther informati onfrom an
au thorized Mercede s-BenzCenter orat
http://www.mb usa.com (USA only).
i The
ASSYST PLUSservice interval display
does notshow anyinformati ononthe
engine oilleve l.Observe thenotes onthe
engine oilleve l(Y pag e275).
The multi function displayshow sa service
messa gefor severa lseconds, e.g.:
R Service Ain ..days Service
Ain ..days
R Service Adue Service
Adue
R Service Aoverdue by..days Service
Aoverdue by..days
Dependi ngon the opera tingconditions ofthe
vehicl e,the remai ningtime ordista nceuntil
the next service duedate isdisp layed.
The letter A A
or B B,
possi blyinconnection witha
number oranother letter,indicatesthe type of
service .A A
stands foraminor service andB B
for
a major service .
You canobtai nfurther informati onfrom an
au thorized Mercede s-BenzCenter.
The ASSYST PLUSservice interval displaydoes
not take intoaccount anyperiods oftime dur-
ing whichthe battery isdisconnected.
Mai ntaining thetime-dep endentservice sched-
ule :
X Note downthe service duedate displayed in
the multi function displaybefore disconnect-
ing the battery .
or X After reconnecting thebattery ,sub tract the
battery disconnectio nperi ods from theser-
vice date show non the disp lay. Hiding
aservi cemessag e
X Press the0076 or0038 button onthe steer-
ing whee l. 278
ASS
YST PLUSMainten anceandcare

X
To reduc ethe tire pres sure :de pre sspre s-
su re release button 0043next topre ssu re
ga ug e0044.
X Whe nthe tire pressu reiscorr ect, unscrew
the fillerhos efrom thevalve ofthe sealed
tire .
Note thattire sealant ma yesca pewhen you
uns crew thefillerhos e.
X Screw thevalve cap onto thetire valve of
the sealed tire .
X Pu llthe tire sealant bottle outof the tire
infl ation comp ressor .
The fillerhos erem ains atta chedto the tire
sea lant bottle .
X Driv eto the nearestqu alifi ed spe cialist
wo rksh opand have the tire changed there.
X Hav ethe tire sealant bottle replaced as
soo nas possi ble at aqu alifi ed spe cialist
wo rksh op.
X Hav ethe tire sealant bottle replaced every
fou rye ars ataqu alifi ed spe cialist wo rksh op. Battery
(vehi cle) Impo
rtant safetynotes
Spe cialtool sand expertknow ledge are
req uired when working onthe battery ,e.g .
rem ovaland installatio n.Yo usho uld ther efore
ha ve allwo rkinvo lving the battery carriedou t
at aqu alifi ed spe cialist wo rksh op. G
WAR
NING
Wor kcar riedou tinco rrectly onthe battery
can lead ,for exa mpl e,to asho rtcirc uitand
thu sda ma gethe vehicleelectro nics.Thi s
can lead tofunc tionres tricti onsapplying to
sa fety -releva ntsystem s,e.g .the lighti ng sy
stem ,the ABS (anti-l ock braking system )
or the ESP ®
(El ectro nicStab ility Pro gram).
The opera ting safety ofyour veh iclemay be
res tricte d.
Yo ucou ldlose contro lof the vehicle, for
exa mpl e:
R wh en bra king
R in the eventofabrupt stee ring maneu vers
and /or when the vehicle's spe edisnot
ad apted tothe roadcond itions
The reisaris kof an acci dent.
In the eventofasho rtcirc uitor asimil ar
inci dent, conta ctaqu alifi ed spe cialist wo rk-
sho pimm ediatel y.Do not drive any further .
Yo usho uld ha ve allwo rkinvo lving the bat-
tery carriedou tat aqu alifi ed spe cialist
wo rksh op.
For further informa tionab ou tABS andESP®
,
see (Ypage 60)and (Ypage 63). G
WAR
NING
Ele ctros taticbu ild-u pcan lead tothe crea -
tio nof spa rks, which cou ldignite thehighl y
exp losive gases ofaba ttery .The reisaris k
of an exp losion.
Befo rehandl ing the battery ,tou chthe vehi-
cle body torem ove anyexisting electro static
bu ild-u p.
The highl yfla mma ble ga smixtu reform swh en
cha rging the battery aswellas when jump -
sta rting .
Alw aysma kesure tha tnei ther younor thebat-
tery iselectro statica lly cha rged.Abu ild-u pof
el ectro static cha rge can becau sed,for exa m-
pl e:
R by wearing clothing ma de from syntheti c
fib ers
R du eto frictio nbe twe enclothing and seats
R ifyo upu sh orpullthe battery across the
car petor othe rsy ntheti cma teri als
R ifyo uru bthe battery with aclo th G
WAR
NING
Duri ngthe charging pro cess ,a ba ttery pro-
du ces hydro gen gas.Ifasho rtcirc uitoccu rs Battery
(vehi cle)
293Breakdo wnassis tan ce
Z

or
sparks arecreated, thehydrogen gascan
ignite. Thereisarisk ofan explosion.
R Make surethatthepositive terminalof a
conn ected battery doesnotcome into
cont actwith vehicle parts.
R Never placemetal object sor tools ona
battery.
R Itis important thatyouobserve the
described orderofthe battery terminals
when connectin gand disconn ectingabat-
tery.
R When jump-st arting,makesurethatthe
battery poleswithidentical polarityare
conn ected.
R Itis particularly importanttoobserve the
described orderwhen connectin gand dis-
conn ectin gthe jumper cables.
R Never connectordisconn ectthe battery
termin alswhile theengine isrunnin g. G
WARNING
Batt eryacid iscaustic. Thereisarisk of
injury.
Avoid contactwith skin, eyesorclothin g.Do
not inhale anybattery gases.Donot lean
over thebattery. Keepchildren awayfrom
batteries. Washawaybattery acidimmedi-
ately withplenty ofclean water andseek
medical attention. H
Environmental
note Batt
eries containpollutants.
It is illegal todispose of
them withthehousehold
rubbish. Theymust becol-
lected separately anddis-
posed ofinan environ men-
tally responsible recycling
system. Dispose
ofbatteries inan
environ mentallyresponsible
manner. Takedischarged
batteries toaquali fiedspe-
cialist workshop ortoacol- lection
pointforused bat-
teries.
! Have
thebattery regularly checkedata
quali fiedspecialist workshop.
Comply withtheservice intervalsinthe
Maintenan ceBooklet ,or cont actaquali fied
specialist workshop formore informat ion.
! You
should haveallwork involving thebat-
tery carried outataquali fiedspecialist
workshop. Inthe except ionalcasethatitis
necessary foryou todisconn ectthe battery
yourself, makesurethat:
R switch offthe engine andremove the
Smart Key.Onvehicles withKEYLE SS-GO,
make surethattheignition isswitched
off. Check thatallthe indicator lampsin
the instr ument cluster areoff. Otherwise,
electron iccomponen ts,such asthe alter-
nator, maybedamaged.
R you first remove thenegative terminal
clamp andthen thepositive terminal
clamp. Neverswapthetermin alclamps.
Otherwise, thevehicle's electronicsystem
may bedamaged.
R in vehicles withautomatic transmission,
the transm issionislocked inposition 005D
after thebattery isdisconn ected.The
vehicle issecured againstrollingaway.
You canthen nolonger movethevehicle.
The battery andthecover ofthe positive ter-
minal clamp mustbeinstalled securelydur-
ing operation.
Comply withsafety precautions andtake pro-
tect ivemeasures whenhandling batteries. Risk
ofexplosion. Fire,
open flames andsmokin gare
prohibited whenhandling thebat-
tery. Avoid creatin gsparks. Batt
eryacid iscaustic. Avoidcon-
tact with skin, eyesorclothin g.
Wear suitable protectiveclothin g,
especially gloves,apronandface-
guard.
Rinse anyacid spills immediately
with clear water. Contact aphysi-
cian ifnecessary. 294
Bat
tery (vehicl e)Breakdown assistance

Wear
eyeprotec tion. Keep
children away. Observe
thisOperator' sManual.
For safety reasons, Mercedes- Benzrecom-
mends thatyouonly usebatter ieswhich have
been testedand approved foryour vehicle by
Mercedes- Benz.These batteriesprovide
incr eased impact protectiontoprevent vehicle
occupant sfrom sufferin gacid burns should
the batter ybe damaged inthe event ofan
accident .
In order forthe batter yto achieve themaxi-
mum possible servicelife,itmust alway sbe
sufficien tlycharged.
Like other batter ies,thevehicle batterymay
discharge overtime ifyou donot use thevehi-
cle. Inthis case, havethebatter ydisconn ec-
ted ataqualified specialist workshop. Youcan
also charge thebatter ywith acharger recom-
mended byMercedes- Benz.Contac ta quali-
fied specialist workshop forfurther informa-
tion.
Have thebatter ycondit ionofcharge checked
more frequent lyifyou usethevehicle mainly
for short tripsorifyou leave itstandin gidle
for alength yperiod. Consult aqualified spe-
cialist workshop ifyou wish toleave yourvehi-
cle parked foralong period oftime.
Only replace abatter ywith abatter ythat has
been recomm endedbyMercedes- Benz.
Remove theSmart Keyifyou park thevehicle
and donot require anyelectr icalcons umers.
The vehicle willthen usevery little energy,
thus conserving batterypower.
If the power supply hasbeen interrupted, e.g.
if you recon nectthebatter y,you willhave to:
R set the clock using themultimedia system
(see theDigital Operator' sManual)
R reset thefunct ionforfolding theexterior
mirrors in/outautomatically, byfolding the
mirrors outonce (Ypage 99) Charging
thebatt ery G
WARNIN
G
During charging andjump- starting,explosive
gases canescape fromthebatter y.There is
a risk ofan explosion.
Particularly avoidfire,open flames, creating
sparks andsmokin g.En sure there issuffi-
cient ventilation whilecharging andjump-
start ing.Donot lean over abatter y. G
WARNIN
G
Batt eryacid iscaustic. Thereisarisk of
injury.
Avoid contactwith skin,eyes orclothin g.Do
not inhale anybatter ygases. Donot lean
over thebatter y.Keep children awayfrom
batter ies.Wash awaybatter yacid immedi-
ately withplenty ofclean water andseek
medical attention. G
WARNIN
G
A discharged batterycan freez eat temper a-
tures below freezingpoint. Whenjump-start-
ing the vehicle orcharging thebatter y,
gases canescape fromthebatter y.There is
a risk ofan explosion.
Allow thefrozenbatter yto thaw outbefore
charging itor jump- starting.
! Only
usebatter ychargers withamaximum
charging voltageof14. 8V.
! Only
charge thebatter yusing thejump-
start ingconn ection point.
The jump- startingconn ection pointisin the
engine compart ment(Ypage 296).
X Open thehood.
X Connec tthe batter ycharger tothe positive
term inaland ground pointinthe same order
as when connectin gthe donor batteryin the
jump- startingprocedure (Ypage 296).
If the indicator /warninglamps donot light up
in the instrument clusteratlow temper atures,
it is very likely thatthedischarged batteryhas
froz en.Inthis case youmay neith erjump- start
the vehicle norcharge thebatter y.The service
life ofathawed-out batterymay beshort er.
The start ingcharact eristicscan beimpaired, Bat
tery(vehicle )
295Breakdown assistance Z