engine overheat MERCEDES-BENZ EQB 2023 Owners Manual

In
these orsimilar operating conditions, have the
int erior air/lter chang edmor efreq uen tly. The
tir es must becheckedmor efreq uentl yif th eve hi-
cle isoper ated und erincr eased loads. Further
inf ormatio ncan beobt aine dat aqu ali/ed special -
is two rkshop.
The ASSYST PLUS service interva ldispla yis onl y
an aid. Thedriver oftheve hicle bearsre sponsi bil-
ity asrega rdsto whe ther maint enance work
need sto be per form ed mor eoTen than speci/ed
based ontheactual operating conditions and/or
loads. BattBatt
er er
ydisconnection per y
disconnection periods iods
The
ASSYSTPL US service interva ldispla ycan cal-
culat eth eser vice duedateonl ywhen thebatt ery
is connect ed. #
Displa yand note down theser vice duedate
on theinst rument displa ybef oredisconne ct-
ing thebatt ery(/ page281). Engine
com Engine
compar par
tment tment
Opening
andclosing t Opening
andclosing the hood he
hood &
W W
ARNIN G ARNIN
GRisk ofaccident duetodriving
wit hth ehood unlocked
The hood mayope nand blockyour vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood is
loc ked. &
W W
ARNIN G ARNIN
GRisk ofaccident andinjury
when openingand closin gth ehood
The hood maysuddenl ydr op intoth eend
position.
Ther eis arisk ofinjuryfo ran yone inthe
hood's rang eof mo vement. #
Donotopen orclose thehood ifth er eis
a per son inthehood's rang eof mo ve-
ment. &
W W
ARNIN G ARNIN
GRisk ofinjurydue tooverheat ed
ve hicle
If yo uopen thehood intheev ent ofan ove r-
heat edvehicle or/rein theengine compart-
ment, thefo llo wing situations mayoccur :
R Youma ycome intocont actwithho tga ses.
R Youma ycome intocont actwithot her
escapin gho toper ating0uids. #
Intheev ent ofove rheating or/rein the
engine compartment, keep thehood
closed andcallthe/r eser vice. #
Allo wtheov erheat edvehicle tocool
do wn /rst ifyo uneed toopen thehood. &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomo ving
par ts
Com ponen tsintheengine compartment may
continue torunor star tune xpectedl yev en
when thedr ive sy stem isswitc hedo..
Obser vethefo llo wing ifyo umust open the
hood: 282282
Main
tenanc eand care

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

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