Engine
Disp
laymes sages Possi
blecauses/cons equences and0050 0050
Solu tions 00BD
Che ckCoolant Che
ckCoolant
Lev elSee Opera‐ Lev
elSee Opera‐
tor 'sManual tor
'sManual The
coolant levelis toolow.
! Av
oid longer journ eys when there isins ufficie ntcoo lant inthe
eng inecoo ling system. You couldot her wise damag eth eeng ine.
X Add coolant ,obse rving thewarn ingnotesbefo redoin gso
(Y page 277).
If you have toaddcoolan tfr equ ently:
X Con tacta qualifi edspec ialist workshopand have theeng inecoo l-
ing syst emcheck ed. 00AC The
fanmot orismalf unctionin g.
X At coo lant temper aturesbelow 248‡ (12 0†) ,dr ive to the near-
est qualifi edspec ialist workshop.
X Av oid heav yloads ontheeng ineasyou doso, e.g.driv ingin
moun tainous terrain and stop- and- gotraff ic. 00AC
Coo lantToo Hot Coo
lantToo Hot
Sto pVeh icleTur n Sto
pVeh icleTur n
Eng ine Off Eng
ine Off The
coolant istoohot .
A warn ingtone also soun ds.
G WAR
NING
Do notdriv ewhen yourengineisove rheated.This cancaus esom e
fluids whichmay have leakedintoth eeng inecom partmen tto cat ch
fir e.
St eam from theove rheatedeng inecan also causeser ious burns
whic hcan occurjus tby open ingthehood .
Ther eis arisk ofinjury.
X Pull overand stop theveh icle safe lyand switchoff theeng ine,
paying attent ion toroad andtraff iccon dition s.
X Sec ure theveh icle again stroll ing away (Ypage 145).
X Wait untilth eeng inehas cooleddown .
X Mak esure that theair supply totheeng ineradiat orisno t
bloc ked, e.g .by snow, slush orice .
X Do notst art theeng ineagain untilth edisplay message goes out
and thecoo lant temper atureis below 248‡ (12 0†). Other wise,
th eeng inecoul dbe damage d.
X Pay attent ion tothecoo lant temper aturedisplay.
If th etem peratur eincr eases again:
X Visit aqualifi edspec ialist workshop immediat ely.
Un der norm aloper atingcon dition sand with thespec ified coolant
leve l,th ecoo lant temper aturemay riseto248‡ (12 0†). 218
Displa
ymes sagesOn-boar dcomp uter and displa ys
Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0066 The
hoodis open .
A warn ingtone also soun ds.
G WAR
NING
The open hoodmay blockyour viewwhen theveh icleis in mot ion.
The reisaris kof an acc iden t.
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 Clos eth ehoo d. 0051 At
least onedoor isopen .A warn ingtone also soun ds.
X Clos eall thedoor s. 00CC
Pow erSteering Mal‐ Pow
erSteering Mal‐
fun ctionSee Opera‐ fun
ctionSee Opera‐
tor 'sManual tor
'sManual The
powe rst eer ing ismalf unction ing .
A warn ingtone also soun ds.
G WAR
NING
You willneed touse morefor ce tosteer .
The reisaris kof an acc iden t.
X Chec kwhet heryou areable toapply theex tra for ce req uire d.
If you areabl eto steer safely:
X Dr ive oncar eful ly.
X Vis itaqualif iedspecialistwor kshop immediat ely.
If you areuna bletosteer safely:
X Do notdri ve on.
X Con sult aqualif iedspecialistwor kshop . Pho
neNoServic e Pho
neNoServic e Your
vehicleis out side thene two rkpro vider'strans mitter/ rec eiver
ran ge.
X Wait untilth emob ilepho neoper ationalread inesssymb ol
appear sin themult ifunction disp lay. 00B2
Che ckWasher Fluid Che
ckWasher Fluid The
wash erflui dlev elin thewash erfluid reservoir has dropped
belo wthemin imum .
X Ad dwash erflui d(Y page 277). Wip
erMalfuncti on‐ Wip
erMalfuncti on‐
ing ing The
windsh ield wiper sare malf unction ing .
X Vis itaqualif iedspecialistwor kshop . Haz
ard Warning Haz
ard Warning
Fla shersMalfun c‐ Fla
shersMalfun c‐
tio ning tio
ning The
hazard warn inglamp sare fault y.
X Vis itaqualif iedspecialistwor kshop . Disp
laymes sage s
229On -boar dcomp uter anddi sp lay s Z
Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 00AC
0051
The redcoola ntwar ning lamp comes onwhi lethe engine isrunning.
The coola ntleve lis too low.
If the coola ntleve lis correct, theairflowtothe engine radiator may beblocked
or the electric engineradiator fanmay bedefective .
The coola ntistoo hotand theengine isno longer being coole dsuffi ciently .
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Pul lover andstop thevehicl esafel yand switch offthe engine, paying atten-
tion toroad andtraffic conditions.
X Secure thevehicl eaga inst rolling awa y(Y pag e145).
X Leave thevehicl eand keep asafe dista ncefrom thevehicl euntil theengine
has coole ddow n.
X Che ckthe coola ntleve land add coola nt,obser vingthewarni ngnotes
(Y pag e277) .
X Ifyou have toadd coola ntfrequ ently, havetheengine coolingsystem
checked.
X Make surethattheairsup plytothe engine radiator isnot blocked ,e.g. by
snow, slush orice.
X Do not start theengine againuntil thecoola nttempera tureisbel ow 248 ‡
(120 †).Otherwi se,the engine couldbe dama ged.
X Drive tothe neares tqua lified speci alist worksho p.
X Avoid heavyloa dson the engine asyou doso, e.g. drivinginmountai nouster-
rain andstop-and-go traffic. 00AC
0051
The redcoola ntwar ning lamp comes onwhi lethe engine isrunning. Awarn-
ing tone alsosound s.
The coola nttempera turehasexceede d248 ‡(120 †).The airflowtothe
engine radiator may beblocked orthe coola ntleve lmay betoo low.
G WARNING
The engine isnot being coole dsuffi ciently andmay bedama ged.
Do not drive when yourengine isoverhe ated.Thiscancaus esome fluidswhi ch
may have leaked into theengine compartment tocatch fire.
Steam fromtheoverhe atedengine canalsocaus eserio usburns whichcan
occur justbyopeni ngthe hood.
There isarisk ofinjury .
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Pul lover andstop thevehicl esafel yand switch offthe engine, paying atten-
tion toroad andtraffic conditions.
X Secure thevehicl eaga inst rolling awa y(Y pag e145) .
X Leave thevehicl eand keep asafe dista ncefrom thevehicl euntil theengine
has coole ddow n.
X Che ckthe coola ntleve land add coola nt,obser vingthewarni ngnotes
(Y pag e277).
X Ifyou have toadd coola ntfrequ ently, havetheengine coolingsystem
checked. 240
Warning
andindic atorlamps inthe instrum entclusterOn-bo ardcomput erand displays
The
signal isnot detect edduring program-
ming. Comparable withCanadian law,some
U.S. garage dooropeners alsofeature a
"break".
Proceed asfollows:
R ifyou liveinCanada
R ifyou have difficulties programming the
garage dooropener (regardless ofwhere
you live) asyou follow theprogramming
steps.
X Press andhold oneofbutton s0044 to0085 on
the integr atedgarage dooropener.
Aft erashort time,indicator lamp0043lights
up yellow.
X Release thebutton .
Indicat orlamp 0043flashes yellow.
X Press button 0084ofgarage doorremote con-
trol 0083for two seconds, thenrelease itfor
two seconds.
X Press button 0084again fortwo seconds.
X Repeat thissequence onbutton 0084of
remote control0083 until indicator lamp0043
lights upgreen.
When indicator lamp0043lights upgreen:
programming isfinished.
When indicator lamp0043flashes green:pro-
gramming wassuccessful. Thenext step is
to synchron izethe rolling code.
X Release button0084ofremote control0083 of
the garage doordrive.
If indicator lamp0043lights upred: repeat the
programming processforthe correspon ding
button onthe rear-view mirror.Whendoing
so, vary thedistance between remotecon-
trol 0083and therear-view mirror.
The required distance between remotecon-
trol 0083and theintegr atedgarage door
opener depends onthe garage doordrive
system. Severalattemptsmight beneces-
sary. Youshould testevery position forat
least 25seconds beforetryinganother posi-
tion.
Problems whenprogramming
If you areexperienc ingproblems programming
the integr atedgarage dooropener onthe rear-
view mirror, takenoteof the following instruc-
tions:
R Check thetrans mitterfrequency usedby
garage doordrive remote control0083 and
whether itis supported. Thetrans mitterfre- quency
canusuall ybe found onthe back of
remote control0083 for the garage doordrive.
The integr atedgarage dooropener iscom-
patible withdevices thathave units which
operate inthe frequency rangeof280 to
433 MHz.
R Replace thebatteries ingarage doorremote
cont rol0083. This increases thelikelihood that
garage doorremote control0083 will trans mit
a stron gand precise signaltothe integr ated
garage dooropener.
R When programming, holdremote control0083
at varying distances andangles frombut-
ton s0044 to0085 which youareprogramming.
Try various anglesatadistance between
2and 8inches (5to20cm) oratthe same
angle butatvarying distances .
R Ifanother remotecontrol0083 isavailab lefor
the same garage doordrive, repeat the
same programming stepswiththisremote
cont rol0083. Before performin gthese steps,
make surethatnew batteries havebeen
installed ingarage doordrive remote control
0083.
R Note thatsome remote controlsonly trans -
mit foralimited amount oftime (theindica-
tor lamp onthe remote controlgoes out).
Press button 0084onremote control0083 again
before transmission ends.
R Align theanten nacable ofthe garage door
opener unit.Thiscanimprove signalrecep-
tion/ transmission.
Opening/clo singthegara gedoor Aft
erithas been programmed, theintegr ated
garage dooropener performs thefunct ionof
the garage doorsystem remote control.Please
also read theoperating instructions forthe
garage doorsystem.
X Turn theSmart Keytoposition 2in the igni-
tion lock (Ypage 125).
X Press button 0044,0087or0085 which youhave
programmed tooperate thegarage door.
Garage doorsystem withafixed code: indi-
cator lamp0043lights upgreen.
Garage doorsystem witharolling code:indi-
cator lamp0043flashes green.
The trans mitterwill trans mitasignal aslong
as the button ispressed. Thetrans mission Featur
es
271Stowage 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 G
WAR
NING
The ignition syst emand thefuel inject ion
syst emwork underhigh voltage. Ifyou
to uch com ponentswhic hare unde rvolt age,
you couldget anelec tric shoc k.Ther eis a
risk ofinjury.
Nev ertouch com ponentsof theign ition sys-
te m or fuel inject ion syst emwhen theign i-
tio nis swit ched on.
To ens ure theflow offresh airthroug hth eair
ven tsint oth eveh icle interio r,please observe
th efoll owin gno tes(Y page 123):
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 . 274
Engine
compartm entMa intenance andcare
X
Make surethatthewindshield wipersare
switched off.
X Pull release lever0043onthe hood.
The hood isreleased. X
Reach intothegap between thehood and
the radiator trimandpress hoodcatch
lever 0044tothe left.
X Raise thehood. X
Pull support strut0085out ofbracket 0083.
X Lift upsupport strut0085and insert itinto yel-
low retaining clip0087. Closi
ngthe hood X
Raise thehood slightly and,atthe same
time, remove support strut0085from yellow
retaining clip0087.
X Swing support strut0085down andpress it
into bracket 0083until itengages.
X Lower thehood andletitfall from aheight
of approximately 8in (20 cm).
X Check thatthehood hasengaged properly.
If the hood canberaised slightly, itis not
properly engaged. Donot press thehood
closed. Openthehood again andclose it
with alittle more force. Engine
oil
General notes Depending
onyour driving style,thevehicle
consumes upto0.9 USqt(0.8 liters) ofoil per
600 miles (1,000 km).Theoilconsumption
may behigher thanthiswhen thevehicle is
new orifyou frequently driveathigh engine
speeds.
Depending onthe engine, theoildipstick may
be inadifferent location.
When checkingthe oillevel:
R park thevehicle onalevel surface
R the engine shouldbeswitched offfor
approximately fiveminutes ifthe engine is
at normal operating temperature
R ifthe engine isnot atnormal operating tem-
perature, e.g.ifthe engine wasonly started
briefly, waitabout 30minutes beforecarry-
ing out themeasurement
Checking theoillevel using theoildip-
stick G
WARNING
Certain componen tsinthe engine compart-
ment, suchasthe engine, radiator andparts
of the exhaust system,canbecome very
hot. Working inthe engine compartmen t
poses arisk ofinjury.
Where possible, letthe engine cooldown
and touch onlythecomponen tsdescribed in
the following. Engi
necompar tment
275Maintenance andcare Z
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
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