2022 MERCEDES-BENZ CLS engine overheat

&
W W
ARNI NG ARNI
NGRisk ofskiddi ngand ofan acci-
dent duetoshiTing down onslippe ryroad
sur faces
If yo ushiT down onslipper yro ad sur faces to
incr ease theengine braking e.ect,th edr ive
wheels maylose traction. #
DonotshiT down onslipper yro ad sur fa-
ces toincr ease theengine braking
e.ect . &
D D
AN AN
GER GER
Riskoffata linjur ydue topoison-
ous exhaus tga ses
If th eta ilpipe isbloc kedor su1cient ventila -
tion isno tpos sible, poi sono usexhaus tga ses
suc has carbon monoxidemayent ertheve hi-
cle. This isthecase, forex am ple, ifth eve hicle
get sst uc kin thesno w. #
Keep theta ilpipe andthear ea around
th eve hicle free from snowwhen the
ve hicle orthestationar yheat erisrun-
ning. #
Ope nawind owontheside oftheve hicle
fa cing awayfrom thewind toensur ean
adeq uatesuppl yof fresh air. &
W W
ARNIN G ARNIN
GRisk ofaccident andinjur ydue
to being under thein0 uence ofalcohol
and drugs while driving
Dr inking anddriving and/or taking drugs and
dr ivi ng areve ry dang erous combinations. Even
a small amount ofalcohol ordrugs can a.ect
yo ur re0e xes, per cep tion sand judgmen t.
The possibi lityof aser ious oreven fata lacci-
dent aregr eatl yincr eased whenyoudr ink or
ta ke drugs and drive. #
Donotdr ink ortake drugs and drive or
allo wan yone todrive who hasbeen
dr inking ortaking drugs. &
W W
AR NIN G AR
NIN GRisk ofacciden tdue tothe
br ak esy stem overheating
If yo ulea veyour foot on thebr ak epedal when
dr iving, thebr ak esy stem mayove rheat. This
increases thebr aking distance andthe
br ak esy stem can even fail. #
Neveruse thebr ak epedal asafo ot re st. #
Donotde pres sth ebr ak epedal andthe
acceler ator pedal atthesame timewhile
dr iving. *
N NO O
TE TE
Engine damagedue toexcessiv ely
high enginespeeds The
enginewill bedamag edifyo udr ive wit h
th eengine intheove rrev ving rang e. #
Donotdr ive wit hth eengine intheove r-
re vving rang e. *
N NO O
TE TE
We aring out thebr ak elining sby
cont inuousl ydepr essing thebr ak epedal #
Donotdepr essthebr ak epedal continu-
ousl ywhilst driving. #
Touse thebr aking e.ect oftheengine,
shiT toalowe rge ar ingood time. 140140
Dr
iving and parking

R
Ifyo uunf asten your seat beltandopen the
dr iver's door (e.g.tochang edr iver sor take a
br eak).
Se Se
ttin gA ttin
gATTENTION ASSIST TTENTION
ASSIST
Multimedi asy stem:
4 © 5
Settings 5
Assistance
5 Attent ionAssist
Se Se
ttin gop ttin
gop tions tions
#
Select Standard, SensitiveorOff.
Sug g Sug
ges est
ing ar ting
ares est
ar t
ar ea ea
#
Select SuggestRest Area. #
Activateor deac tivateth efunction .
If AT TEN TIONASSIS Tde tects fatigue or
incr easing lackof att ention, itsugg ests are st
ar ea inthevicinity . #
Select thesugg ested rest area .
Yo uar eguided totheselect edrest area . Spe
edcontr Spe
edcontrol cr ol
cruise contr ui
se control ol
FF
unc tion ofcr unc
tion ofcruise contr ui
se control ol
Cr uise control regula testh espeed totheva lue
select edbythedr iver .
If yo uacceler ateto ove rtak e, forex am ple, the
st or ed spee dis no tde lete d. Ifyo ure mo veyour
fo ot from theacceler ator pedal aTerovertaking ,
cr uise controlwill resume speed regula tion back
to thestor ed speed.
Yo ucan stor ean yspeed above15 mph
(20 km/h )up tothemaximum designspeed.
Obser vetheno teson drivi ng systems andyour
re sponsi bility;yo uma yot her wise failto recogn ize
dang ers(/ page162) .
Mer Mer
cedes‑ cedes‑
AMGv AM
Gvehicles: ehicles:
Cruise controlis availa-
ble uptoamaximum speedof155 mph
(250 km/h ).
Displa y Displa
ys in t s
in the Ins he
Inst r tr
ument Display ument
Display
R h (gra y): cruise control issele cted but not
yet activ ated.
R h (gre en): cruise contr olisactiv e. A
stor ed speed appear salong withth eh dis-
pla y.
% The segm entsbetween thestor ed speed and
th eend ofthesegment displaylight upinthe
speedo meter.
Sy st Sy
stem limits em
limits
Cr uis eco ntrol maybe una ble to maint ainthe
st or ed spee don uphillgr adien ts.The stor ed
speed isresumed whenthegr adien tev ens out.
Chang eint oalowe rge ar ingood timeonlongand
st eep downhil lgr adien ts.Take par ticular note of
th is when driving aladen vehicle. Bydoin gso, you
will mak euse oftheengine' sbr aking e.ect.This
re lie vesth eload onthebr ak esy stem and pre-
ve nts thebr ak es from overheating andwearing
to oqu ickl y.
Do notuse cruise contr olinthefo llo wing situa-
tions:
R Intra1c situations whichre qu ire freq uent
ch ang esofspeed, e.g.in hea vytra1c, on
wind ingroads 170170
Dr
iving and parking

&
W W
ARNI NG ARNI
NG‑Risk of/reand injur yfrom
antifr eeze
If antifr eeze comesintocont actwithho tcom -
ponent partsintheengine compartment, it
ma yignit e. #
Allo wtheengine tocool down before
addin ganti freeze . #
Mak esur eth at no ant ifre eze spills out
ne xt to the/ller opening. #
Thor oughl yclean o.anyantifr 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 13.7USqt
(13.0 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
(/ page336). &
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. Te
ch nica ldat a
341 341

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 . 400400
Displ
aymessag esand warning/in dicatorlam ps