Page 416 of 534

Pr
opo rtion ofantifr eeze concentr atein theengine
cooling system:
R Aminimum of50% (antifr eezeprotection down
to about -35°F(-37 °C))
R Amaximum of55% (antifre eze protection
do wn to-49°F (-45°C))
Cool antcapacity Cool
antcapacity
Engine coolant Engine
coolant ModelModel
Capacity Cap
acity
GL S450 4MATIC 20.0USqt
(18.9 liter s)
GL S580 4MATIC 16.6USqt
(15.7 liter s) Engine
coolant (Mer Engine
coolant (Mercedes-Ma cede
s-Ma ybac yba
ch) h)
ModelModel
Capacity Cap
acity
Mer cede s-Ma ybach
GL S600 4MATIC 16.6
USqt
(15.7 liter s) NNo o
t t
es on windshield w es
on windshield washer asher
0uid 0uid
Obser
vetheno teson oper ating0uids
(/ page408). &
W W
AR NIN G AR
NIN G‑Risk of/reand injuryfrom
wind shield washer conce ntrate
Wi ndsh ieldwasher conce ntrate ishighl y0am-
mable. Itcould igniteif it comes intocont act
wit hho tengine component partsor the
ex haus tsy stem. #
Mak esur eth at no wind shield washer
conce ntrate spill sout next to the/ller
opening. *
N NO O
TE TE
Damag eto theex terior lightin gdue
to unsuit ablewindshield washer 0uid Un
suit able windshield washer 0uidmaydam-
ag eth eplastic surface oftheex terior lightin g. #
Onlyuse windshield washer 0uidwhichis
also suitable foruse onplastic surfaces,
e.g .MB Sum merF itor MB WinterF it. *
N NO O
TE TE
Bloc kedspr aynozzles cause dby
mixing windshield washer 0uids #
Donotmix MBSummerF itand MBWin-
te rF itwit hot her wind shield washer 0u-
ids. Do
notuse distilled orde-i onized water. Ot her -
wise, the/ll leve lsensor maybe trigg ered erro ne-
ous ly.
Re commen dedwindshi eldwasher 0uid:
R Above freez ing point :e.g. MBSum merFit
R Below freez ing point :e.g. MBWinterF it
Fo rth ecor rect mixin gra tio, referto theinf orma-
tion ontheantifr eeze container .
Mix washer 0uidwithwind shield washer 0uidall
ye ar round. RR
efr efr
ig ig
er er
ant ant
NNo o
t t
es on r es
on refr efr
ig ig
er er
ant ant
Obser vetheno teson oper ating0uids
(/ page408) . 414414
Te
ch nica ldat a
Page 461 of 534

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
¸
00B0
ç
00C7
Tempora rilyUnavai lable
Sensors areDirty *F
ront and corner radar sensor s(her eaTer "sensor s")aremalfuncti oning.Po ssible causes:
R The senso rsaredir ty
R Hea vyrain or sno w
R Extended countrydr iving without other tra1c, e.g.in thedeser t
Dr iving systems anddriving safetysy stem sma ybe malf uncti oni ng ortemp orarily una vailable. Thebrak esy stem, steer -
ing and drive sy stem will continue tofunc tionnor mally. #
Drive on.
Once thecauses ofthepr oblem areno long erpresent, thedr iving systems anddriving safetysy stem swi llbe availabl e
ag ain and thecor respond ingsymbols willbeswitc hedo..
If th edispla ymessag edoes notdisappear : #
Stop theve hicle inaccor dance withth etra1c conditions. #
Clean allsensor covers from outside (/ page 209). #
Restar tth eve hicle. Displ
aymessag esand warning/in dicatorlam ps
459 459
Page 475 of 534

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons #
Tryto star tth eve hicle. #
Ifth eve hicle does notst ar t,consu ltaqu ali/ed special istwo rkshop.
Ca nnot Start Engine See
Ope rator'sManua l *T
hestat eof charge ofthe48 Vbatt eryis toolow. Youcan nolong erstar tth eve hicle. #
Switcho. elect rical consume rsthat areno tre qu ired. #
Connect asuit able charge rappr ovedfo rMer cedes-Benz withsu1cien tch arge output tothejum p-st artconnection
point ofthe12 Vbatt ery(/ page360).
The 48Vbatt eryis ch arge dvia thevo ltag econ verter intheve hicle.
Engine CanNow BeStarte d
*The48 Vbatt eryhas been charge daut omaticall yvia thevo ltag econ verter . #
Startth eve hicle anddrive fo ra while tocharge the12 Vbatt eryand the48 Vbatt ery. TT
ir ir
e pr e
pr essur essur
emonit e
monit or or
DisplaDispla
ymessa g y
messa ges P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solutions Solutions
Tire Press. Monitor Cur-
rently Unavaila ble *T
her eis int erfere nce from apo we rful radio signal sourceAs are sult ,no sign alsfrom thetir epr essur esensor sar e
being receiv ed.The tirepr essur emonit oring system istemp orarily una vailable.
The tirepr essur emonit oring system will restar tau tomaticall yas soon asthecause hasbeen recti/ed. #
Drive on.
Tir ePres s.Moni torInope ra-
tive *T
hetirepr essur emoni toring system isma lfunct ioning . Dis
playmes sage sand warning/in dicatorlam ps
473 473
Page 476 of 534

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons &
W W
ARNIN G ARNIN
GTher eis arisk ofan acciden tif th etir epr essur emonit oring system ismalfunctionin g
The tirepr essur emonit oring system canno tissue awa rning ifth er eis pressur eloss inone ormor eof thetir es.
Ti re swit hinsu1cie nttirepr essur ema yim pair thedr iving charact eristics aswellas steer ing and braking. #
Have thetir epr essur emonit oring system checkedat aqu ali/ed special istwo rkshop. Ti
re Pre ssu reMoni torInop -
era tive NoWhe elSenso rs *T
hewheels installed donotha ve suit able tirepr essur esenso rs.The tirepr ess uremonit oring system isdeac tivated. #
Inst allwhe elswithsuit able tirepr ess uresens ors.
0077 Wheel Sensor(s) Missing *T
her eis no sign alfrom thetir epr essur esensor ofone ormor ewheels. Nopressur eva lue isdispla yedfo rth ea.ect ed
tir e. #
Have thefa ulty tirepr essur esensor replaced ataqu ali/ed special istwo rkshop.
0077 Ch eck Tires *T
hetirepr essur ein one ormor etir es has dropped signi/cantl y.
The wheel pos itionis dis pla yed. Awa rning tone willals osou nd. &
W W
ARNI NG ARNI
NGRisk ofan accid ent due toinsu1c ienttirepr essur e
R The tires can burst.
R The tires can wearexcessiv elyand/ orune venly.
R The driving charact eristics aswellas thesteer ing and braking maybe greatl yim pair ed. 474474
Displa
ymessag esand warning/in dicatorlam ps
Page 480 of 534
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. #
Switc ho. theve hicle. #
Add1.1 USqt(1l)of engin eoil (/ page338). #
Chec kth eengine oilleve l.
No teson eng ineoil(/ page411).
00B3
Engine OilPre ssu reStop
Swi tch OffEngine *T
heoilpressur eis toolow.
* N N
O O
TE TE
Engine damageca use dby driving withinsu1cien toil pressur e #
Avoid drivin gwit hinsu1cient oilpressur e. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. #
Switc ho. theve hicle. #
Con sult aquali/ed specialistwo rkshop.
00B3
Engine OilLeve lCa nnot Be
Mea sured *T
heelect rical conn ectionto theoil leve lsensor hasbeen interrupted ortheoil leve lsensor isfaulty . #
Consult aqu ali/ ed spec ial ist wo rkshop. 478478
Displ
aymessag esand warning/in dicatorlam ps
Page 484 of 534

Engi
ne Engi
ne WW
ar ar
nin g/i ndicat nin
g/i ndicat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
ÿ
Coolant warning lamp(red) *T
he redcoolant warning lampis lit while theengine isrunning.
Po ssible causes:
R The temp eratur esensor ismalfunctionin g
R The coolant leve lis toolow
R The airsuppl yto thera diat orisobstr ucted
R The radiat orfan is faulty
R The engine coolant pumpis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceeded themaximum permissible temp eratur e. &
W W
ARNIN G ARNIN
GRisk ofbur nswhen opening thehood
If yo uopen thehood intheev ent ofan overheat edengine or/rein theengine compartment, thefo llo wing situations
ma yoccur :
R Youma ycome intocont actwithho tga ses.
R Youma ycome intocont actwithot her escapin gho toper ating0uids. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheev ent ofa/r ein theengine compartment, keep thehood closed andcallthe/r eser vice. #
Stop immediat elyin accor dance withth etra1c conditions andswitc ho. theve hicle. Donotcont inuedr ivi ng . 482482
Displ
aymessag esand warning/in dicatorlam ps
Page 485 of 534

WW
ar ar
nin g/ind icat nin
g/ind icat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions #
Notethemessag eson theinstr ument display.
If t If
the coolan tt he
coolan ttem em
per per
atur atur
edispl a e
displ ay is at t y
is at the low he
lower end oft er
end ofthe t he
tem em
per per
atur atur
escale: e
scale: #
Con sult aquali/ed specialistwo rkshop.
If t If
the coolan tt he
coolan ttem em
per per
atur atur
edispla e
displa yis at t y
is at the upper endoft he
upper endofthe t he
tem em
per per
atur atur
escale: e
scale: #
Exit theve hicle andkeep asaf edist ance from ituntil theengine hascooled down. #
Chec kth ecoolant leve l(/ page339). #
Mak esur eth at theair suppl yto thera diat orisno tobstr ucted. #
Avoiding highloads ontheengine, drive to thenear estquali/ed special istwo rkshop. Indoin gso, ensu rethat the
coolant temp eratur edispla yre mains belowthere dar ea.
ÿ Coolant warning lamp(yel-
lo w) *T
he yello wcoolant warning lampis lit while theengine isrunning.
Po ssible causes:
R The temp eratur esensor ismalfunctionin g
R The charge air,tr ansmi ssionoilorbatt erycooli ngisfaulty
R The radiat orshutt ersar ebloc kedor def ectiv e #
Avoiding highloads ontheengine, drive to thenear estquali/ed special istwo rkshop. Displ
aymessag esand warning/in dicatorlam ps
483 483
Page 491 of 534

DrDr
iving syst iving
systems ems
WW
ar ar
ning /indicat ning
/indicat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
L
Wa rning lampfo rdist ance
wa rning function *T
he reddist ance warning lamplights upwhile theve hicle isin mo tion .
The distance totheve hicle infront istoosmall forth espeed selected.
If th er eis an additional warning tone, youar eappr oaching anobst acle attoohigh aspeed. #
Beprepar edtobrak eimmediat ely. #
Incr ease thedist ance.
Fu nctio nof ActiveBr ak eAssi st(/ page233).
Ó Ac tiveBr ak eAssi stwa rning
lam p *T
heActiveBr ak eAssi stwa rning lampis on.
Due todir tysensor sor amalfuncti on,thesy stem isno tav ailabl eor thera ng eof functi onsisrestr icte d. #
Notethemessag eson theinstr ument display.
ê
Ac tiveBr ak eAssi stwa rning
lam p *T
heActiveBr ak eAssi stwa rning lampis on.
The system isswitc hedo.orthera ng eof functi onshasbee naut oma tically re str icte d.
This maybe thecase ifth edr iver isno twe aring aseat beltorano ther driving system has been activated. #
Obser vetheno teson ActiveBr ak eAssi st(/ page233) . Disp
lay mes sagesand warning/in dicatorlam ps
489 489