2022 MERCEDES-BENZ CLA hood open

R
Opens thehood →
260
S 0024 Electricpar king brak e →
153
T Light switch →
114 88
At
aglan ce–Coc kpit

%
Intheev ent theengine cannotbe star ted(yet
th eve hicle ’sbatt eryis ch arge d), thesy stem is
no toper ational. Contactanaut hor ized
Mer cedes-Benz Centeror call
1-800-F OR-MER Cedes (intheUS A)or
1-800-387- 0100(inCanada). AA
T T
A A
(an ti-t (an
ti-theT heT
alar alar
msyst m
system) em)
FF
unction oft unction
ofthe AT he
ATA syst A
sy stem em
If th eATA system isarmed, avisu aland audibl e
alar mistrigg ered inthefo llo wing situations:
R When adoor isopened
R When thetrunk lidisopened
R When thehood isopened
R When theint erior motion sensor istrigg ered
(/ page86)
R When theto w- awa yalar mistrig ge red
( / pag e86)
The ATA system isarmed automati callyaTer
appr oximat elyte nsec onds inthefo llo wing situa-
tions:
R ATer locking theve hicle withth eSmar tKey R
ATe rlo ck ing theve hicle usingKEY LESS-GO Indi
catorlam p1 0ashes whentheATA system is
ar med.
The ATA system isdeacti vatedaut omaticall yin the
fo llo wing situations:
R ATer unlockingtheve hicle withth eSmar tKey
R ATe run lock ing theve hicle usingKEY LESS-GO R
ATer pressin gth estar t/s topbutt onwithth e
Sma rtKe yin themar kedspace (/page131)
% When theMer cedes‑Benz emergency callsy s-
te m isactiv eand thealar mstay son formor e
th an 30 secon ds,amessag eis aut omati cally
sent totheCust omer Assist anceCenter
(/ page249).
% Inthecase ofsevere batt erydisc harging ,th e
anti-theT alarmsystem isaut omati callydeac-
tiv ated tofacilit ateth ene xt engine star t.
Deactiv Deactiv
atingt ating
the ATA he
ATA #
Press theÜ, ßor008B buttononthe
Sma rtKe y.
or #
Press thestar t/s topbutt onwithth eSmar tKey
in thestow agecom partmen t(/ page131)
Deact iv Deact
ivatin gt atin
gthe alar he
alar musin gKEY LESS-GO m
usin gKEY LESS-GO #
Grasp theoutside doorhandle withth eSmar t-
Ke yout side theve hicle. Open
ingand closin g
85 85

R
Itis saf eto star tan dru nth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu1 ciently full .
S S
t t
ar ar
ting t ting
the v he
veh icle (R eh
icle (Rem ot emo
te Online) e
Online) &
W W
ARNING ARNING
Riskofcrushing orentr apment
due tounint entional star ting oftheengine
Limbs couldbecrushed ortrapped ifth e
engine isstar tedunint ention allydur ing service
or maint enance work. #
Alwayssecur eth eengine against unin-
te ntiona lst ar ting beforeca rryin gout
main tenanc eor repair work. RR
eq eq
uir uir
ements: ements:
R Park position 005Disselect ed.
R The anti-theT alarmsystem isno tactiv ated.
R The panic alarmisno tactiv ated.
R The hazar dwa rning light system isswitc hed
o..
R The hood isclosed.
R The door sar eclosed andlocked. R
The windo wsand slidingsunr oofareclosed . #
Startth eve hicle usingth esmar tphone.
ATer everyengine star t,theengine runs for
te nminut es.
Yo ucan carryout amaximum oftwoconsecutiv e
st ar ting attem pts. Youmust star tth eengine with
th eSmar tKey bef oretrying tostar tth eve hicle
ag ain withth esmar tphone.
Yo ucan switc ho. theve hicle atanytime asfol-
lo ws :
R Viath esmar tphone app
R Bypressing theÜ orß buttononthe
Sma rtKe y
% Further informatio ncan befound inthe
smar tphon eapp.
Se cur Se
cur ing t ing
the v he
vehicle ag ehicle
agains ains
tst t
st ar ar
tin gbef tin
gbef or or
ecar ry- e
car ry-
ing out maint ing
out maint enance orr enance
orrepair w epair
wor or
k: k:
#
Switc hon thehazar dwa rning light system.
or #
Unloc kth edoor s.
or #
Open aside windo wor thesliding sunroof. BrBr
eaking-in not eaking-in
notes es
To
preser vetheengine during the/r st
1,000 miles(1,500 km):
R Drive at varying road speeds andengine
speeds .
R Donotdr ive at speeds great erthan 85 mph
(140 km/h ).
R Drive th eve hicle indrive pr og ram A
or ;.
R ShiT tothene xt highest gear attheve ry latest
when theneedle reac hes thelast third bef ore
th ere dar ea intheta ch ome ter.
R DonotshiT down manuall yin order tobrak e.
R Avoid overstraining theve hicle, e.g.dr ivi ng at
fu llth ro ttle.
R V V
ehic leswit ehic
leswithaut h
aut oma tictr oma
tictransm ission: ansm
ission: Donot
depr esstheacceler ator pedal beyond the
pr essur epoint (kickdo wn). Dr
iving andparking
133 133

R
When theengine isoTen leTidling forlong
per iods
R Oper ation inpar ticular lydust ycondition s
and/or ifair -recir culation modeisfreq uentl y
used
In these orsimilar operating conditions, have the
int erior air/lter,air /lter,engine oiland oil/lter,
fo rex am ple, chang edmor efreq uen tly. The tires
must becheckedmor efreq uentl yif th eve hicle is
oper ated und erincr eased loads. Further informa-
tion canbeobt aine dat aqu ali/ed special istwo rk-
shop. Bat
t Bat
ter er
ydiscon nectionper y
discon nectionperiods iods
The
ASSYST PLUS 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(/ page259). 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 ofbur nswhen openin gth e
hood
If yo uopen thehood intheev ent ofan ove r-
heat edeng ineor/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. #
Beforeopen ingthehood, allowthe
engine tocool down. #
Intheev ent ofa/r ein theengine com-
par tment, keep thehood closed andcall
th e/r eser vice. &
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: 260260
Main
tenanc eand care

#
Switcho. theve hicle. #
Neverto uc hth edang erzones surround-
ing moving components, e.g.thero tation
ar ea ofthefa n. #
Remo vejewe leryand watches . #
Keep items ofclo thing and hair away
fr om moving parts. &
W W
AR NIN G AR
NIN GRisk ofinjuryfrom touc hing live
com ponents
The ignition system and thefuel injection sys-
te m oper atewit hahigh voltag e. Youcould
re ceiv ean elect ric shoc k. #
Neverto uc hcom ponents oftheignition
sy stem orfuel injection system when the
ve hicle isswitc hedon. The
livecom pone ntsincl ude thefo llo wing, for
ex am ple:
R Ignition coils
R Fuelinject ors R
Electr iclines totheignition coilsandthefuel
inject ors &
W W
ARNING ARNING
Riskofbur nsfrom hotcom po-
nent partsintheengine compartment
Cer tain com ponent partsintheengine com-
par tment canbevery hot,e.g .th eengine, the
cooler andpartsof theex haus tsy stem. #
Allow theengine tocool down and only
to uc hcom ponent partsdescr ibedinthe
fo llo wing. &
W W
ARNIN G ARNIN
GRisk ofinjur yfrom using the
wind shield wiperswhen thehood isopen
If th ewindshield wipersst ar tmo ving when the
hood isopen ,yo ucould betrapped bythe
wiper linkage . #
Alwaysswitc ho. thewindshield wipers
and theve hicle /rst ifyo uneed toopen
th ehood. Opening
t Opening
the hood he
hood #
Torelease thehood, pullonhandle 1. Maint
enance andcare
261 261

#
Push yello whandle 1onthehood catchto
th eleT asfaras itwill go(palm down wards).
LiT thehood untilitis aut omaticall yra ised by
th epneumatic spring.
Closing t Closing
the hood he
hood #
Lowe rth ehood andletit dr op from aheight of
appr oximat ely8 in (20 cm). #
Ifth ehood canstillbeliTed slightl y,open the
hood again and close itwit halit tle forc euntil
it eng ages cor rectl y. Engi
neoil Engi
neoil ChecChec
kingt king
the eng ineoillev he
eng ineoillevel using t el
using the on-bo ard he
on-bo ard
com com
put put
er er
R R
eq eq
uir uir
ement s: ement
s:
R The enginehas been warmed up.
R The vehicle ispar kedon aleve lsur face.
R The engineisrunning atidle speed.
R The hoodis clo sed .
The engine oilleve lis de term ined during driving.
De term ining theengine oilleve lcan take up to
30 minut eswithanor mal driving styleand even
long erwit han activ edr iving style. On-boar
dcom puter:
4 Service 5
Engine OilLevel
One ofthefo llo wing messa geswill appear onthe
inst rument displa y:
R Measuring EngineOil Level... :meas urement
of theoil leve lis no tye tpos sible. #
Repeat there qu est aTer amaximum of
30 minut es'driving.
R Engine OilLevel OKand thebar displa yfo r
indicating theoil leve lon theinst rument dis-
pla yis green and isbe tween "min" and"max":
th eoil leve lis cor rect.
R Engine OilLeve lAdd 1,1qts. andthebar dis-
pla yfo rindicating theoil leve lon theins tru-
ment displa yis orang eand isbelo w"min": #
Add1.1 USqt(1l)of engin eoil.
R Red uce Engine OilLevel andthebar displa y
fo rindicating theoil leve lon theinst rument
displa yis orang eand isabo ve"max": 262262
Main
tenanc eand care

#
Drain o.anyex cess engineoilthat has been
added. Todo so, consult aqua li/ed specialist
wo rkshop.
R For Engine OilLeve lSwi tch Ignition On #
Switchon theve hicle tocheckth eengine oil
le ve l.
R Engine OilLevel System Inoperative: Theoil
le ve lsensor isdef ectiv eor notconnect ed. #
Consult aqua li/ed specia listworkshop.
R Engine OilLeve lSys tem Currentl yUnav ail. #
Close thehood.
T T
opping upengine oil opping
upengine oil &
W W
ARNIN G ARNIN
GRisk ofbur nsfrom hotcom po-
nent partsintheengine compartment
Cer tain com ponent partsintheengine com-
par tment canbevery hot,e.g .th eengine, the
cooler andpartsof theex haus tsy stem. #
Allow theengine tocool down and only
to uc hcom ponent partsdescr ibedinthe
fo llo wing. &
W W
ARNIN G ARNIN
GRisk of/reand injur yfrom
engine oil
If engine oilcomes intocont actwithho tcom-
ponent partsintheengine compartment, it
ma yignit e. #
Mak esur eth at no eng ineoilisspill ed
ne xt to the/ller opening. #
Allo wtheengine tocool o.and thor -
oughl yclean theengine oilfrom com po-
nent partsbef orestar ting theve hicle. *
N NO O
TE TE
Eng inedamag ecaused byan inco r-
re ct oil /lter,incor rect oil oradditi ves #
Donotuse engin eoils oroil /lterswhic h
do notcor respond tothespeci/c ations
ex plicitl ypr escr ibed forth eser vice inter-
va ls. #
Followtheinst ruction son theser vice
int erva ldispla yfo rch ang ingtheengine
oil and obser vethepr escr ibed chang e
int erva ls. #
Donotuse additiv es. *
N NO O
TE TE
Damag ecaused byre/lli ng too
muc hengi neoil To
omuc hengin eoil can damag eth eengine or
th ecat alytic converter . #
Have excess engineoilremo vedat a
qu ali/ed special istwo rkshop. %
Depen dingon drivi ng style, theve hicle con-
sumes upto0.9 USqt(0.8 liter) ofoil per
600 miles (1000 km).Theoilconsum ption
ma ybe higher than this when theve hicle is
ne wor ifyo ufreq uentl ydr ive at high engine
speeds. Maint
enance andcare
263 263

act
eristics maybe impair ed,especi allyat low
te mp eratur es.
It is recommen dedthat youha ve ath awe dbatt ery
ch eckedat aqu ali/ed special istwo rkshop.
All v All
vehicle s ehicle
s
* NO NO
TE TE
Damag ecaused bynume rous or
ex tended attem ptsto star tth eengine Numer
ousorextended attem ptsto star tth e
engine maydamag eth ecat alytic converter
due tonon-c ombusted fuel. #
Avoid numer ousand extended attem pts
to star tth eengine. Obser
vethefo llo wing points during star ting assis -
ta nce and when chargin gth ebatt ery:
R Onlyuse undamag edjum per cables/c harging
cables withasu1cient cross-section and
insulat edterm inal clam ps.
R Non-in sulatedpar tsof thete rm inal clam ps
must notcome intocont actwithot her metal
par tswhile thejum per cable/c harging cable is
connect edtothebatt ery/jum p-startcon-
nection point.
R The jumper cable/c harging cable mustnot
come intocont actwithan ypar tswhic hma y
mo vewhen theengine isrunning.
R Alwaysmak esur eth at nei ther younor thebat-
te ry iselectr ostaticall ych arge d.
R Keep awa yfrom /reand open 0ames.
R Donotlean overth ebatt ery.
Obser vetheadditional follo wing points when
ch argin gth ebatt ery:
R Onlyuse batterych arge rs tested and
ap pro vedfo rMer cedes-Benz.
R Read thebatt erych arge r's oper ating instruc-
tion sbef orech argin gth ebatt ery.
Obser vetheadditional follo wing points during
st ar ting assist ance:
R Startin gassis tance mayonl ybe prov ided
using vehicles, batteries orother jump star t
de vice swit hanomi nalvoltag eof 12 V.
R The vehicles mustno tto uc h. R
V V
ehicles wit ehicles
withag h
agasoline engine: asoline
engine: jump-st artth e
ve hicle onlywhen theengine andexhaus tsy s-
te m arecold. SS
t t
ar ar
ting assist ting
assist anceandc ance
andchar har
ging t ging
the 12 Vbatt he
12 Vbatt ery er
y RR
eq eq
uir uir
ement s: ement
s:
R The vehicle issecur edwithth eelectr icpar k-
ing brak e.
R V V
ehicles wit ehicles
withaut h
aut omatic tr omatic
transmiss ion: ansmiss
ion:The
tr ansmiss ionisin position 005D.
R The vehicle andallelect rical consume rsare
switc hedo..
R The hood isopen . 284284
Br
eakdo wnassis tance