th
elow tirepr essur ete lltale illuminat es,you
should stop and checkyo ur tires assoon as
possible, andin0ateth em tothepr oper pres-
sur e.Driving onasign i/can tlyu nde r-in0 ated
tir ecauses thetir eto overheat andcanlead
to tirefa ilur e.Under -in0at ion also reduces fuel
e1ciency andtiretread life, and maya.ect
th eve hicle ’shandl ingand stoppin gabili ty.
Ple ase note that theTPMS isno ta substitut e
fo rpr oper tiremaint enance, anditis thedr iv-
er ’s responsi bilityto maint aincorrect tire
pr essur e,even ifunder -in0at ion has not
re ac hed theleve lto trigg erillum inatio nof the
TPMS low tirepr ess urete lltale.
Yo ur vehicle hasalso been equipp edwith a
TP MS malf unct ionindicat ortoindicat ewhen
th esy stem isno toper ating proper ly.The
TPMS malfunction indicatoris combined with
th elow tirepr essur ete lltale. When thesy stem
de tects amalfu nction, thete lltale will 0ashfo r
appr oximat elyone minut eand then remain
contin uouslyillumin ated. This sequence will
contin ueupon subseq uentvehicle star t-ups as
lon gas themalfunction exists. When
themalfunction indicatorisilluminat ed,
th esy stem mayno tbe able todetect or sign al
lo w tirepr essur eas intende d.TPMS malfu nc-
tion sma yoccur fora va riet yof reasons,
incl udin gth einst allation ofreplacement or
alt ernat etir es orwheels ontheve hicle that
pr eve nttheTPMS from function ingproper ly. The
system checks thetir epr essur eand thetir e
te mp eratur eof thetir es inst alled ontheve hicle by
means ofatir epr essur esensor .
The tirepr essur eand thetir ete mp eratur eappear
in theon-boar dcom puter(/ page356).
If th er eis asubst antial pressur eloss orifth etir e
te mp eratur eis excessiv e,youwill bewarned with
displa ymessag es(/ page449) orthe0077
wa rning lampin theinst rument cluster
(/ page471).
The tirepr essur emonit oring system isonl yan aid.
It is thedr iver's responsi bilityto setth etir epr es-
sur eto there commen dedcold tirepr essur esuit a-
ble forth eoper ating situation.
In most cases ,th etir epr essur emonit oring sys-
te m will automaticall yupdat eth ene wrefere nce va
lues aTer youha ve chang edthetir epr essur e.
Yo ucan, howev er,also updat eth ere fere nce val-
ues byrestar ting thetir epr essur emonit oring sys-
te m manuall y(/ page357).
Sy st Sy
stem limits em
limits
The system maybe impair edorma yno tfun ction
par ticular lyin thefo llo wing situations:
R Incor rect refere nce values weretaught in
R Sudden pressur eloss caused byafo re ign
object penetrating thetir e, forex am ple
R Ther eis amalf unct ioncaused byano ther
ra dio signal source
Chec Chec
kingt king
the tir he
tirepr e
pr essur essur
ewit e
wit ht h
the tir he
tirepr e
pr essur e essur
e
monit monit
or or
ing syst ing
system em
R R
eq equir uir
ements: ements:
R The vehicle isswitc hedon.
On- boar dcom puter:
4 Service5
Tires
One ofthefo llo wing displa ysappear s:
R Current tirepr ess ureand tirete mp eratur eof
th eindividual wheels: 356356
Wheels
andtires
Obser
vethefo llo wing when selecting, installing
and replacing tires:
R Further mor e,theuse ofcer tain tiretypes in
cer tain regions andareas ofoper ationca nbe
high lybene/cia l.
R Onlyuse tires and wheels ofthesame type
(summer tires, wint ertires, MOExt ended tires)
and thesame make.
R Onlyinst allwheels ofthesame sizeonone
axle (leTandright) .
It is onl yper mis sibleto inst alladi.er ent
wheel sizeintheev ent ofa0at tirein order to
dr ive to thespecialist workshop.
R V V
ehicle swit ehicle
swit hatir h
atir epr e
pr essur essur
emoni t e
moni tor or
ing sy ing
sys- s-
t t
em: em:
Allinstalled wheels mustbeequipped
wit hfunctionin gsensor sfo rth etir epr essur e
monit oring system.
R Attemp eratur esbelo w45 °F(7°C) use win-
te rtir es orall-season tires mar ked004D M+S
fo rall wheels.
Wi nter tires prov ide thebest possible grip in
wintr yroad conditions. R
ForM+S tires, onlyuse tires withth esame
tr ead.
R Obser vethemaximum permissible speedfor
th eM+S tires inst alled.
If th etir e's maximum speedisbelo wthat of
th eve hicle, this must beindicat edbyan
appr opriatelabel inthedr iver's /eld ofvision.
R Break inne wtires atmoder atespeeds forth e
/r st 60 miles (100km).
R Replace thetir es aTer sixyearsat thelat est,
re ga rdless ofwe ar.
R When r When
replaci ngwit eplaci
ngwithtir h
tir es t es
that dono hat
donotf t
featu r eatu
re e
r r
un-0at un-0at
c c
har har
act act
er er
is is
tics: tics:
vehicles with
MOExt endedtires areno teq uipp edwitha
TIR EFIT kitatthefa ct or y. Eq uip theve hicle
wit haTIR EFIT kitaTer replacing withtir es that
do notfe atur eru n-0at charact eristics, e.g.
wint ertires.
Fo rmor einf ormation onwheels andtires, cont act
a qu ali/ed special istwo rkshop.
Be sureto also obser vethefo llo wing further rela-
te dsubjects:
R Noteson tirepr essur e(/ page352) R
Tire and Loadi ngInformatio nplacar d
(/ page359)
R Tire size desig nation,load- bearingcapacit y,
speed rating andload index(/ page366)
R Tire pressur eta ble (/ page354)
R Noteson theemer gency sparewheel
(/ page380) NNo o
t t
es on rot es
on rotatin gt atin
gthe wheels he
wheels &
W W
AR NIN G AR
NIN GRisk ofinjuryth ro ugh di.er ent
wheel sizes
Ro tating thefront and rear wheels can
se verely im pair thedr iving charact eristics.
The wheel brak es orsuspen sioncomponen ts
ma yalso bedamag ed. #
Rotate front and rear wheels onlyif th e
wheels andtires areof thesame dimen-
sions. The
wearpatt erns on thefront and rear wheels
di.er :
R Front wheels wearmor eon thetir eshoulder Wheels
andtires
373 373
R
Ama xim um of55% (antifr eeze protection
do wn to-49°F (-45°C))
Cool antcapacity Cool
antcapacity
Cool ant(engine ) Cool
ant(engine ) ModelModel
Capacity Cap
acity
GLE 350
GLE 3504MATIC 13.7
USqt
(13.0 liter s)
GLE 4504MATIC 20.0USqt
(18.9 liter s)
GLE 5804MATIC 16.6USqt
(15.7 liter s) NNo o
t t
es on winds hieldw es
on winds hieldwas her as
her 0uid 0ui
d Obs
erve theno teson oper ating0uids
(/ page389). &
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
(/ page389) . Te
ch nica ldat a
395 395
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 190). #
Restar tth eve hicle. Displ
aymessag esand warning/in dicatorlam ps
435 435
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(/ page341).
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
449 449
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. 450450
Displa
ymessag esand warning/in dicatorlam ps
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
00B3
Engine OilLevel Cannot Be
Measu red *T
heelect rical conn ectio nto theoil leve lsensor hasbeen interru pted ortheoil leve lsensor isfaulty . #
Consult aqu ali/ ed spec ial ist wo rkshop. WW
ar ar
nin gand indicat nin
gand indicat orlam or
lam ps ps
OvOv
er er
vie vie
wof ind icat w
of ind icat orand w or
and war ar
nin glam nin
glam ps ps
Som
esy stems willperform aself -tes twhen the
ve hicle isswitc hedon.Som eind icat orand warn-
ing lampsma ybr ie0y light upor0as h.This beha v-
ior isnon-cr itical.These indicat orand warning
lam psindicat eamalfunction onlyif th ey light up
or 0as haTer theve hicle hasbeen star tedor dur -
ing ajour ney. Ins Ins
tr tr
umen tdispl ay ument
display Depending
onthedispla yse tting ,th epositions of
th eindicat orlam pson theinst rument displa yma y
di.er from theex am ple shown. Indi
cat Indi
catorand w or
and war ar
nin glam nin
glam ps: ps:
0075 Restr aint system (/ page 458)
00E9 Seatbelt(/page458)
Ù Powe rst eer ing (/ page459)
ÿ Coolanttemp eratur e(/ page460)
00B9 Enginediagnost ics(/ page460)
003D Electricalmalfunction (/page460)
00B6 Reser vefuel with fuel /ller 0aploca -
tio nind icat or (/ page 460)
0049 USA:electr icpar king brak e(red)
(/ page464)
0024 Canada:electricpar king brak e(red)
(/ page464) 456456
Displa
ymessa gesand warning/in dicatorlam ps
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 . 460460
Displ
aymessag esand warning/in dicatorlam ps