engine MERCEDES-BENZ CLS 2022 Workshop Manual

#
Donotalt er theengine oiloroil /lter in
or der toachie velong erchang eint erva ls
th an prescr ibed. #
Donotuse addit ives. #
Have theengine oilchang edaTer the
pr escr ibed interva ls. Mer
cedes-Benz recommen dshavin gth eoil
ch ang edataqu ali/ed special istwo rkshop.
Onl yuse engineoils appr ovedfo ryo ur vehicle by
Mer cedes-Be nz.
Qua lityand capac ityofengine oil Qua
lityand capac ityofengine oil
Engine oil Engine
oilspe ci/cation s spe
ci/cation s Ga
sol ine engines Ga
sol ine engines MB-Fr MB-F
reig eig
abe orMB- abe
orMB-
Appro v Appro
val al
CL S450 4MATIC 229.51,229.5 2,
229.6 1,229.7 1
229.7 2*
All other model s2 29.51,229.52,
229.61
229.71* *
Re commen dedforlo we stpo ssible fue lco n-
su mp tion (lowe stSA Eviscosity classineac h
case; observepossible restr iction sof the
appr ovedSA Eviscosity classes).
To achie vethelowe stpo ssible fue lco nsum ption,
it is recommen dedtouse theengine oilspeci/c a-
tion smar kedin theta ble forth elowe stSA Evis-
cosity class.Possible restr iction sof theappr oved
SA Eviscosity classesmustbeobser ved.
The follo wing values referto an oilchang e,incl ud-
ing theoil /lter.
Engine oil Engine
oil/lling /lling
capac ity capac
ity ModelModel
Capacity Capacity
CL S450 10.0USqt(9.5 liter s)
CL S450 4MATIC 9.0USqt(8.5 liter s) NNo o
t t
es on br es
on brak ak
e e
0uid 0uid
Obser
vetheno teson oper ating0uids
(/ page336). &
W W
AR NIN G AR
NIN GRisk ofan acciden tdue to
va por pockets form ing inthebr ak esy stem
The brak e0uid const antlyabsorbs moisture
fr om theair .This lowe rstheboiling pointof
th ebr ak e0uid. Ifth eboiling pointistoolow,
va por pockets ma yfo rm inthebr ak esy stem
when thebr ak es areapplied hard.
This causes thebr aking e.ect tobe impair ed. #
Have thebr ak e0uid rene we dat the
speci/ed interva ls. Ha
ve thebr ak e0uid regula rly re placed ataqu 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
(/ page336). 340340
Te
ch nica ldat a

&
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

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 e136).
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 e136).
Á
Don't Forget YourKey *A
warning tone willals osou nd. This message reminds youto take your Smar tKey withyo uwhen youlea vetheve hicle. 350350
Displ
aymessag 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
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 e136). 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
351 351

VV
ehicle ehicle
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solution s Solution
s
0072
Vehicle ReadytoDrive
Switch theIgnition Off
Before Exiting *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.
Hea d-upDisp layInop era-
tive *T
heHead -upDispl ayhas aninternal erro r. #
Consult aqua li/ed specialist workshop. Displ
aymessag esand warning/in dicatorlam ps
355 355

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
0083 *T
hehood isopen . &
W W
AR NIN G AR
NIN GRisk ofacciden tdue todriving withth ehood unlocked
The hood mayope nand blockyour vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood isloc ked. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. #
Close thehood.
0084 *T
hetrunk lidisopen . &
D D
AN AN
GER GER
Riskofexhaus tga spoison ing
Combu stion enginesemit poison ousexhaus tga ses suchas carbon monoxide.Exhaus tga ses can entertheve hicle
int erior ifth etrunk lidisopen when theve hicle isrunning, especiallyif th eve hicle isin mo tion. #
Alwaysswitc ho. theve hicle beforeopen ingthetrunk lid. #
Neverdr ive wit hth etrunk lidopen. #
Close thetrunk lid. Displa
ymessag esand warning/in dicatorlam ps
357 357

Engi
ne Engi
ne DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/consequences and uences
and0050 0050
Solu tions Solu
tions
To swi tch engine off,pres s
and holdStart/Stop but-
ton foratlea st3seconds
or pres s3 times. *Y
ouhave pressed thestar t/s topbutt onwhile theve hicle isin mo tion . #
Informatio nabout switchingo.theve hicle while drivi ng (/ page135).
Ca nnot Start Engine See
Ope rator'sManua l *T
hevehicle cannotbe star ted. #
Switc hth eve hicle o.and switc hit bac kon #
Ifth edispla ymessag estill appear s,consult aqu ali/ed special istwo rkshop.
00BD
Ch eck Coolant Leve lSee
Ope rator'sManua l *T
hecoolan tle ve lis toolow.
* N N
O O
TE TE
Engine damagedue toinsu1c ientcoolant #
Avoid long journeys wit hinsu1cient coolant. #
Addcoolant (/page272). #
Have theengine cooling system checkedat aqu ali/ed special istwo rkshop. Displ
aymessag esand warning/in dicatorlam ps
359 359

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
ÿ
Cool antToo HotStop Vehi-
cle Turn Engine Off *T
hecoolan tis tooho t. #
Stop immediat elyin accor dance withth etra1c conditions andswitc ho. theve hicle. &
W W
AR NIN G AR
NIN GRisk ofbur nswhen openingthehood
If yo uopen thehood intheev ent ofan ove rheat edengine 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. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheev ent ofa/r ein theengine compartment, keep thehood closed andcallthe/r eser vice. #
Waituntil theengine hascooled down. #
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 dmar king.
ÿ *T
her eis amalf unct ionintheengine cooling system. #
Avoiding highloads ontheengine, drive to thenear estquali/ed special istwo rkshop. Indoin gso, ensu rethat the
coolant temp eratur edispla yre mains belowthere dmar king. 360360
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
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. #
Select transmission position005E.
Driver's DoorOpen &
Transmissi onNot inPRisk
of Vehicle RollingAway *T
hedriver's door isno tfu lly closed andtransmi ssionposition005B, 005Eorneu tral 005C isselect ed.
The vehicle mayro llawa y. #
Sele ctpark position 005Dwhen switchingo.theve hicle.
N Per mane ntlyActive Risk
of Ro lling Awa y *N
eutral005C has been select edwhile theve hicle isrolling orwhile youar edr iving. #
Depr essthebr ak epedal tostop . #
ShiT thetransmission topar kposition 005Dwhile theve hicle isstation ary. #
Tocont inuedr ivi ng ,select transmissio npositi on005B or005E. 362362
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
Service RequiredDo Not
Shift GearsVisit Deale r *T
hetransmi ssionismalf unct ioning.It is no longerpossible tochang eth etransmission position. #
Iftransmission position005Bisselect ed,consult aqu ali/ed special istwo rkshop anddonotch ang eth etransmission
position. #
Forall other transmi ssionpositions,par kth eve hicle safely. #
Consult aqua li/ed specialist workshop orbreakdo wnservice .
Re vers ingNot Possible
Servi ceRequire d *T
hetransmi ssionismalf unct ioning.It is no tpossibl eto select transmissi onposit ion005E. #
Con sult aquali/ed specialistwo rkshop.
Tra nsmi ssion Malfunction
Stop *T
hetransmi ssionismalf unct ioning.The transmi ssionshiTs toneutr al005C automa tically. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. #
Depr essthebr ak epedal. #
Eng agepar kposition 005D. #
Consult aqua li/ed specialist workshop.
Stop VehicleLea veEngine
Ru nning WaitTra nsmi ssion
Co oling *T
hetransmi ssionisove rheating. Pullingawayma ybe temp orarily im pair edornotpossible. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. #
Leavetheengine running. #
Waituntil thedispla ymessag edisappear sbef orepulling away.
Auxi liar yBatte ryMa lfunc-
tio n(whit edispl aymessag e)*V V
ehicles wit ehicles
withaut h
aut omatic tr omatic
transmission: ansmission:
Theauxiliar ybatt eryfo rth etransmission isno long erbeing charge d. #
Consult aqua li/ed specialist workshop. Displ
aymessag esand warning/in dicatorlam ps
363 363