engine MERCEDES-BENZ EQB 2023 Owner's Manual
Page 350 of 450
Ha
ve thebr ak e0uid replaced regula rly at aqu ali-
/ed special istwo rkshop.
Onl yuse abr ak e0uid approvedby Mer cedes-
Benz accor ding toMB-F reigabe orMB- Appr oval
331. 0. Coolan
t Coolan
t NNo o
t t
es on coolan t es
on coolan t
Obser vetheno teson oper ating0uids
(/ page347). &
W W
AR NIN G AR
NIN GRisk of/re‑ and injuryfrom
ant ifre eze
If antifr eeze comes intocont actwithho tcom-
ponent partsintheengine compartment, it
ma yignit e. #
Allo wthedr ive sy stem tocool down
bef oreyo uadd antifr eeze. #
Mak esur eth at no ant ifre eze spills out
ne xt to the/ller opening. #
Thor oughl yclean theantifr eeze from
com ponent partsbef orestar ting the
ve hicle. *
N NO O
TE TE
Damag ecaused byincor rect cool-
ant #
Onlyuse coolant that has been premix ed
wit hth ere qu ired antifr eeze protection.
Inf ormation oncoolant isavailabl eat thefo l-
lo wing locations:
R IntheMer cedes-Benz Speci/cation for
Oper ating Fluids 320.1
- Athttp s://be vo.mer cede s-benz.c om
- IntheMer cedes-Benz BeVoapp
R Ataqu ali/ed special istwo rkshop *
N NO O
TE TE
Overheati ngathigh outsi detemp er-
atur es If
an inappr opriatecoolant isused, theengine
cooling system isno tsu1cien tly pr otect ed
ag ainst overheating andcorrosion athigh out-
side temp eratur es. #
Onlyuse coolant approvedby Mer cedes-
Benz. #
Obs erve theinst ruction sin the
Mer cedes-Be nzSpeci /cation sfo rOper -
ating Fluids 320.1. Ha
ve thecoolant regula rly re placed ataqua li/ed
specialist workshop.
Pr opor tionofant ifre eze 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
Cool ant(engine ) Cool
ant(engine ) ModelModel
Capacity Cap
acity
All mode ls 18.4USqt
(17.4 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
(/ page347). 348348
Te
ch nica ldat a
Page 360 of 450
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
Á
Key NotDetected (white
displa ymessag e) *T
heSmar tKey iscur rentl yunde tected. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Ifth eSmar tKey isstill notre cogn ized,place itin themar kedspace forst ar ting withth eSmar tKey (/ pag e146).
Á
Key NotDetected (red dis-
pla ymessag e) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswitc ho. theve hicle:
R Youcan nolong erstar tth eve hicle.
R Youcanno tcentr allyloc kth eve hicle. #
Ensu rethat theSmar tKey isin theve hicle.
If th eSmar tKey detection function hasamalfu nctiondue toast ro ng radio signal source: #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. #
Place theSmar tKey inthemar kedspace forst ar ting theengine withth eSmar tKey (/ pag e146).
Á
Don't Forget YourKey *A
warning tone willals osou nd. This message reminds youto take your Smar tKey withyo uwhen youlea vetheve hicle. 358358
Displ
aymessag esand warning/in dicatorlam ps
Page 361 of 450
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
Á
Key Being InitializedPlease
Wai t *T
hevehicle isprocessin gin order toteac hin thene wSmar tKey . #
Waituntil process ingiscom plete.
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismalfu nctionin g. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar ting theengine withth eSmar tKey (/ pag e146). LightsLights
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
:
Check LeftLow
Beam (exa mp le) *T
hecor respond inglight sour ceisdef ecti ve. #
Drive on car efull y. #
Visit aqu ali/ed special istwo rkshop immed iately.
% LED light sources: thedispla ymessag efo rth ecor respond inglight appear sonl ywhen allthelight-emittin gdiodes
in thelight arefa ulty . Displa
ymessa gesand warning/in dicatorlam ps
359 359
Page 364 of 450
ClimatClimat
econtr e
contr ol ol
DisplaDispla
ymessa g y
messa ges P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solutions Solutions
003B
Inoperative High-Voltage
Battery ChargingNot Com-
plete *T
hehigh- voltag ebatt eryis ch argin g.Pre-e ntry climat econt rolcanno tbe switc hedon. #
Waituntil thech argin gpr ocess hasachie vedaminimum charge .
003B
Inoperative ChargeHVBat-
tery *T
hecharge ofthehigh-v oltagebatt eryis toolow. Pre-entr ycli ma tecont rolcanno tbe switc hedon. #
Char gethehigh-v oltagebatt ery.
003B Pre-en tryClimate Control
via Key Available Again
Aft erEngine Start *Y
ouhave attem pted toswitc hon pre-e ntry climat econt rolmor eth an thre etimes withth eve hicle switchedo.. #
Startth eve hicle forte nsec onds .
Pr e-entr ycli ma tecont rolis oper ational again. 362362
Displa
ymessa gesand warning/in dicatorlam ps
Page 367 of 450
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
00BD
Check CoolantLevel See
Opera tor'sManua l *T
hecoolan tle ve lis toolow.
* N N
O O
TE TE
Dam ageto thedr ive sy stem due toinsu1c ientcoolant #
Avoid long journeys wit hinsu1cient coolant. #
Have thecooling system ofthedr ive sy stem checkedat aqu ali/ed special istwo rkshop.
ÿ
Co olant Too HotStop Vehi-
cle Turn Engine Off *T
hecoolan tis tooho t. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions andswitc ho. thedr ive sy stem. &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tooverheat edvehicle
If yo uopen thehood intheev ent ofan ove rheat edvehicle or/rein theengine compartment, thefo llo wing situa-
tions mayoccur :
R Youma ycome intocont actwithho tga ses.
R Youma ycome intocont actwithot her escapin gho toper ating0uids. #
Intheev ent ofove rheating or/rein theengine compartment, keep thehood closed andcallthe/r eser vice. #
Allo wtheov erheat edvehicle tocool down /rst ifyo uneed toopen thehood. #
Waituntil thedr ive sy stem has cooled down. #
Mak esur eth at theair suppl yto theve hicle radiat orisno tobstr ucted. #
Avoiding highloads onthedr ive sy stem, drive to thenear estquali/ed specialist workshop. Displ
aymessag esand warning/in dicatorlam ps
365 365
Page 372 of 450
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
Engine willnot restart
Service required *I
tis no tpos sibleto restar tth edr ive sy stem due toamalf unct ion. #
Donotswitc ho. thedr ive sy stem; drive on tothenear estquali/ed special istwo rkshop.
ô Re ser veLeve lCh arg eHig h-
Vol tageBatte ry *T
hecharge leve lof thehigh-v oltagebatt eryhas dropped intoth ere ser verang e. #
Cha rgeth ehigh-v oltagebatt ery(/ page158).
003D
12 VBattery SeeOpera-
tor's Manua l *T
hedrive sy stem iso. and thecondition ofcharge ofthe12 Vbatt eryis toolow. #
Switcho. electrical consume rsthat areno tre qu ired. #
Drive th eve hicle for30–60 minutes.
or #
Char getheve hicle atach argin gst atio n(/ page158 ).
If th emessag eappear swhile theve hicle isswitc hedon,this indicat esan on-boar delectr icalsystem malfunction. #
Visit aqu ali/ed special istwo rkshop.
0080 Ma lfunction *T
hedrive sy stem ismalf unct ioning.The outp utofyour vehicle isrestr icte d. #
Visit aqu ali/ed special istwo rkshop. 370370
Displ
aymessag esand warning/in dicatorlam ps
Page 373 of 450
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
0080
Stop Switch EngineOff *T
hedrive sy stem ismalf unct ioning. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions andswitc ho. thedr ive sy stem. Donotcon-
tinue driving. #
Donotto w theve hicle, stop towing ifnece ssary. #
Consult aqua li/ed specialist workshop.
0080
Ma lfunction VisitWor ksho p *T
hedrive sy stem ismalf unct ioning. #
Con sult aquali/ed specialistwo rkshop.
Hig h-vol tageba ttery maint.
urg ently required NoStart
in Appr ox.XXX mi(yello w
displa ymessag e) *A
malfun ctionhasoccur redin thehigh-v oltagebatt ery.
It will nolongerbe possible tostar tth eelectr icdrive sy stem aTer thedist ance displa yedhas been covered. #
Have thenecessar ymaint enance workon thehigh-v oltagebatt erycar ried out ataqua li/ed specialist workshop.
Hig h-vol tageba ttery maint.
urg ently required .No Start
in Appr ox.XXX mi(reddis-
pla ymessag e) *A
malfun ctionhasoccur redin thehigh-v oltagebatt ery.
It will nolongerbe possible tostar tth eelectr icdrive sy stem aTer thedist ance displa yedhas been covered. #
Have thenecessar ymaint enance workon thehigh-v oltagebatt erycar ried out immediat elyat aqu ali/ed special ist
wo rkshop. Displ
aymessag esand warning/in dicatorlam ps
371 371
Page 374 of 450
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
High-voltag ebattery main-
tenance urgently required.
Do Not Resta rtAnd Con-
sult Deale r *A
malfun ctionhasoccur redin thehigh-v oltagebatt ery.
It will nolongerbe possible torestar tth edr ive sy stem once ithas been switchedo.. #
Donotswitc ho. thedr ive sy stem; drive on tothenear estquali/ed special istwo rkshop. VV
ehicle ehicle
Displ
a Displ
ay messag y
messag es P es
Possible causes/ conseq ossible
causes/ consequen ces and uen
ces and 0050 0050
Sol utions Sol
utions
0072
Veh icleRe adyto Drive
Swi tch the Ignition Off
Befo reExiting *Y
ouarelea ving theve hicle inare ady -to-dr ive stat e. #
Getout oftheve hicle, secureit ag ains tro lling awayand take theSmar tKey wit hyo u. #
Ifyo udo notlea vetheve hicle, switcho. theelectr icalconsumer s,e.g. theseat heating. Other wise, the12‑ Vbat-
te ry ma ydisc hargeand star tin gth eengine maybe possible onlywit hth ehelp ofasecond battery(jum pstar t).
Head-up DisplayCurre ntly
Unavail ableSee Operator's
Manua l *T
heHead -upDispl ayistemp orarily una vailable. Possible causes:
R Malf unct ionsin thepo we rsuppl y
R Sign alint erfere nce #
Stop inaccor dance withth etra1c conditions andswitc hth eve hicle o.and onagain. #
Ifth edispla ymessag estill appear s,consult aqu ali/ed special istwo rkshop. 372372
Displ
aymessag esand warning/in dicatorlam ps
Page 378 of 450
TT
r r
ansmi ssion ansmi
ssion Displ
a Displ
ay messag y
messag es P es
Possibl ecauses/ conseq ossibl
ecauses/ consequen ces and uen
ces and 0050 0050
Sol utions Sol
utions
Only Shiftto 'P' when Veh i-
cle isStati onary *I
tis pos sibleto select thepar kposition 005Donlyif th eve hicle isstation ary. #
Depr essthebr ak epedal tostop . #
ShiT thetransmission topar kposition 005Dwhen theve hicle isstation ary.
App lyBra ketoShi ftfrom
'P' *Y
ouhave attem pted toshiT thetransmission outofpar kposition 005Dand intoano ther transmission position. #
Depr essthebr ak epedal. #
Select transmission position005B,005Eorneutr al005C.
To Deselect Por N,
Depress BrakeandStart
Engine *Y
ouhave attem pted toshiT thetransmission outofpar kposition 005Dorneutr al005C and intoano ther transmission posi-
tion. #
Depr essthebr ak epedal. #
Startth eve hicle. #
Chang eth etransmission position.
Apply Brake toShift toDor
R *Y
ouhave attem pted toselect transmissi onposit ion005Bor005E. #
Depr essthebr ak epedal. #
Select transmission position005Bor005E.
Apply Brake toShift to'R'
*Youhave attem pted toselect transmissi onposit ion005E. #
Depr essthebr ak epedal. 376376
Displa
ymessag esand warning/in dicatorlam ps
Page 400 of 450
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
Device Detected atDiag-
nostics Connection See
Opera tor'sManua l *T
hevehicle funct ionsfo rmalfunction detection arere str icte d.
At least oneofthemain function sof theMer cedes meconnect system ismalfunctionin g. #
Obser vetheno teson thediagnost icsconnection (/page29). #
Consult aqua li/ed specialist workshop. Bat
t Bat
ter y er
y Displ
a Displ
ay messag y
messag es P es
Possible causes/ conseq ossible
causes/ consequen ces and uen
ces and 0050 0050
Sol utions Sol
utions
Ca nnot Start Engine See
Ope rator'sManua l *I
tis no tpos sibleto star tth eve hicle.
A malf unct ionhas occur redin thedr ive sy stem. #
Switc hth eve hicle o.and lockit. #
ATer waiting fora shor ttime, unlockth eve hicle andstar tit ag ain. #
Ifth edispla ymessag eappear sag ain and theve hicle does notst ar t,consu ltaqu ali/ed special istwo rkshop. TT
ir ir
e pr e
pr essur essur
emoni t e
moni tor or
Displ
a Displ
ay messag y
messag es P es
Possible causes/ conseq ossible
causes/ consequen ces and uen
ces and 0050 0050
Sol utions Sol
utions
Ti re Pre ss. Moni torCur-
rentl yUnav ailabl e *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. 398398
Displa
ymessa gesand warning/in dicatorlam ps