engine coolant MERCEDES-BENZ CLA 2020 Owners Manual

%
Inaddi tion tomultifu nctiondisplay 2, fur‐
th er con tent can besho wnondispl ays1
and 3(/ page21 9).
Th ese gm ents on spee do me ter1 indica tethe
sy stem status forth efo llo wing:
R Cruise control (/ page17 0)
R ActiveDis tance AssistDIS TRONI C
(/ page 173)
* NO
TEEngi nedama gedue toexcess ively
hig hengi nespe eds The
enginewillbe damag edifyo udr ive wit h
th eengine intheov errevving rang e. #
Donotdr ive wi th theengine intheove r‐
re vving rang e. The
fuelsu pp lywillbe interru pted toprotect the
engine whenthere dmar kon theta ch ome ter
(o ve rrev ving rang e) isreac hed.
Ve hicl eswith aWi des cree nCo ckpit: during
nor malop erati ng cond itions, coolanttemp era‐
tur edispla y4 mayrise tothere dmar k. &
WARNIN GDang erofburnswhen open‐
ing thehood
If yo uopen thehood when theengine has
ove rheat edordur ing afire intheengine
com partmen t,yo uco uld come intoco ntact
wit hho tga ses orother escaping operating
fl uids. #
Beforeopen ingthehood, allowthe
engine tocool down. #
Intheeve ntofafire intheengine com‐
par tmen t,ke ep thehood closed and
call thefire ser vice. Ov
ervie wof thebut tons on thest eer ing
wheel 1
P Back/Hom ebutt on,on-boar dcom ‐
put er
Pr ess and hold: showsstandar ddispla y
2 Touc hCon trol, on-bo ardco mp uter
3 Con trol pan elforcr uis econtr olor Active
Dis tance AssistDIS TRONI C
4 Contr olpa nel forMBUX multimediasy stem:
£ Voice Cont rolSy stem
ß Displa ysfavo rite s
VO L:contr olknob, adjuststhevo lume or
switc hesthesound off0063 (press) 21
6
Instrument Displayand on-boar dcom puter

00CE
Ad
aptiveHig hbeam Assis t(/ page11 6)
Ve hicl eswith Traf fic Sign Assis t:De tected
ins tructi ons and traf fic sig ns (/ page 207). Ad
jus tingthe inst ru men tlighti ng #
Turn brightn esscontrol 1 upordown.
The lightin gof theIns trument Displayand in
th econ trol element sof theve hicle interior is
adjus ted. Menus
andsubmenu s Calling
upfunctions ontheSer vice menu of
th eon-boa rdcom puter On-boar
dcom puter:
4 Service #
Toselect afunction: swipeupwards or
do wn wardson thelef t-hand Touc hCon trol. #
Press thelef t-hand Touc hCon trol.
Fu nctio nson theServ icemenu:
R Messag ememor y(/ page468)
R Tires :
- Restar tth etir epr essur eloss warning
sy stem (/ page430)
- Chec kth etir epr essur ewit hth etir epr es‐
sur emonit or(/ page428) -
Restar tth etir epr essur emonit or
(/ page429)
R ASSYST PLUS: calluptheser vice duedate
(/ page38 4)
R Coolant: coolanttemp eratur edispla y
R Engine OilLevel: engine oilleve l
R Con sump tionInfo: fuel life cy cle consum p‐
tio n Calli
ngup displa yson theAssis tance menu On
-bo ardcom puter:
4 Assist anc e
The follo wing displa ysareav ailable ontheAssis‐
ta nce menu :
R Assi stanc e
R Attentio nleve l(/ page205)
R Vehicl eswith anIns trument Displayin
th eWi des cree nCo ckpit :ful lscr een #
Toswitc hbe tw een thedisp lays :sw ipe
up wa rdsor down wardson thelef t-hand
To uc hCon trol. In
stru ment Displa yand on-boar dcom puter 22
1

Chec
kingthecoolant leve l &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntsin theengine compart‐
ment canbevery hot,e.g. theengine, the
ra diat orand partsof theex haus tsy stem. #
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedin
th efo llo wing. &
WARNIN GRisk ofscal ding from hot
cool ant
The enginecool ingsystem ispressur ized,
par ticular lywhen theengine iswa rm.If yo u
open thecap, youco uld bescalded byhot
coolant spraying out. #
Letth eengine cooldown beforeopen‐
ing thecap. #
When opening thecap, wearprotect ive
gl ove sand safetygl asses . #
Open thecap slowlyto release pres‐
sur e. #
Park theve hicle onaleve lsur face. #
Checkth ecoolant temp eratur edispla yin the
ins trumen tclus ter.
The coolant temp eratur emus tbe inthebo t‐
to m quarterof thete mp eratur edispla y. #
Slowly turncap 1cou nter-cloc kwiseto
re lie ve ove rpressur e. #
Continue turning cap1count er-cloc kwise
and remo veit.
The coolan tle ve lis cor rect inthefo llo wing
cases :
R Ifth eengine iscold, thecoolant isup to
mar kerbar 2.
R Ifth eengine iswa rm,th ecoolant isup to
0.6 in(1.5 cm) over mar kerbar 2. #
Ifnecessar y,add coolant that has been
appr ovedfo rMer cedes-Benz.
R Further information oncoolant
(/ page46 4). Ad
ding washer fluid tothewindsh ield
wa sher system &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntsin theengine compart‐
ment canbevery hot,e.g. theengine, the
ra diat orand partsof theex haus tsy stem. Maint
enanc eand care389

Coolant
No
teson coolant
Obser vetheno teson oper ating fluids
(/ page45 9). &
WARNIN G‑Ri sk offire and injuryfrom
ant ifreez e
If ant ifreez ecom esintocon tact with hot
com ponent partsintheengine compart‐
ment ,it ma yignit e. #
Allo wtheengine tocool down before
ad ding anti freeze . #
Makesur eth at no ant ifreez espills out
ne xt to thefiller open ing. #
Thor oughl yclean offan yant ifreeze
fr om com pone ntpar tsbef orest ar tin g
th eve hicle. *
NO
TEDama gecau sed byinc orrect cool ‐
ant #
Onlyad dcool antthat has been pre‐
mix edwithth ere qu ired ant ifreeze pro‐
te ction.
Inf ormati ononcool antisavailable atthefo l‐
lo wing locations:
R IntheMer cedes- BenzSpecif ication sfo r
Oper ating Fluids 310.1:
- Athttps: //bevo.mer cedes-b enz.com
- IntheMer cedes- BenzBeVoapp
R Ataqu alif ied spec ialistwo rkshop *
NO
TEOverhea ting athigh outsid ete m‐
per atur es If
an inapp ropr iat ecoolant isused, the
engine cooling system isno tsuf ficie ntlypr o‐
te cted agains tov erheating andcorrosion at
high outside temp eratur es. #
Alw aysuse coolant approvedby
Mer cedes-Ben z. #
Obser vetheins truction sin the
Mer cedes-Ben zSpecif ications forOper‐
ating Fluids310.1. Ha
ve thecoolant regular lyreplaced ataqu alif ied
spec ialistwo rkshop.
The propor tionofcor rosion inhibit or/antifr eeze
concen trat ein theengine cooling system should
be:
R Aminimum of50% (antifr eezeprotect ion
do wn toappr oximat ely-3 5°F (-37°C))
R Amaxim umof55% (antifreeze protect ion
do wn to-49 °F(-45 °C))
Co olant capacity
Capa city Mode
lC apacity
All mode ls 9.4USqt(8.9 liter s) No
teson windshield washer fluid Obser
vetheno teson oper ating fluids
(/ page45 9). 46
4
Tech nica lda ta

Engine
Displa
ymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00BD Check Coolant LevelSee
Operator' sManual *T
hecoolant leve lis toolow.
* NO
TEEngi nedama gedue toinsuf ficie ntcool ant #
Avoid long journeys wit hins ufficie ntcool ant. #
Addcoolant (/page389 ). #
Have theengine cooling system checkedat aqu alif ied spec ialistwo rkshop.
ÿ
Coola ntToo HotStop Vehi-
cle Turn Engine Off *T
hecoolant istooho t. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions andswitchof fth eengine. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Waitunt ilth eengine hascooled down. #
Mak esur eth at theair supply tothera diat orisno tim pair ed. Displa
ymessag esand warning/ indic ator lam ps 48
1

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at
th ecoolant temp eratur edispla yre mains belowthere dmar king.
ÿ *T
hefanmo toris faulty . #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at
th ecoolant temp eratur edispla yre mains belowthere dmar king.
To switch engineoff, press
and hold Start/ Stop but-
ton foratleast 3secon ds
or press 3times. *Y
ouhave pressed thest ar t/ stop butt onwhile driving. #
Information aboutswitchingoffth eengine whiledriving (/page13 1).
00D4 Fu elLe velLo w *T
hefuel supply hasdropped intoth ere ser verang e. #
Refuel .
00D4
Ga sCa pLoose *T
hefuel filler cap isno tclos edcor rectly orthefuel system isleaking. #
Close thefuel filler cap. #
Ifth efuel filler cap wasalr eady proper lyclosed :con sult aqu alif ied spec ialistwo rkshop. 482
Displa ymessag esand warning/ indic ator lam ps

Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant warning lam p The
redcoolant warning lam pis lit while theengine isrunning .
*P oss ible cau ses:
R The temp eratur esensor ismalfunct ioning
R Coolant leve lto olow
R The airsuppl yto thera diat orisobs truct ed
R The radiat orfanis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceed edthemaximum permissible temp eratur e. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions andswitchof fth eengine. Donotcon tinue
dr iving under anycir cums tances. #
Notethemessag eson themultifunc tiondispla y.
If th ecoolant temp eratur edispla yis at thelowe rend ofthete mp eratur escale: Displa
ymessag esand warning/ indic ator lam ps 51
9

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Consult aqu alif ied spec ialistwo rkshop.
or #
Exit theve hicle andkeep asaf edis tance from itunti lth eengine hascooled down. #
Chec kth ecoolant leve l(/ page389) . #
Mak esur eth at theair supply tothera diat orisno tim pair ed. #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at the
cool anttemp eratur edispla yre mains belowthere dar ea.
00B9 En gine diagnosis warning
lam p The
yello wChec kEn gine warning lam pis lit while theengine isrunning .
*A malfunctio nha soccu rred intheengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exceed edand theengine maybe inemer gency mod e.
In som est at es, legalrequ iremen tsstipulat eth at youmus timm ediat elyco nsult aqu alif ied spec ialistwo rkshop as
soon astheye llo wChec kEn gine warning lam plight sup. #
Have theve hicle checkedas soon aspossible ataqu alif ied spec ialistwo rkshop.
003D Electr icalmalfunction warn‐
ing lam p The
redelect rical mal functi onwarning lam pis lit.
*T her eis amalfunction intheelectr ics. #
Obser vethemessag eson themultifunc tiondispla y. 520
Displa ymessag esand warning/ indic ator lam ps

Cleani
ng
see Care
Clim atecontr ol
Ac tivati ng/d eactiv ating ........... ............126
Ac tivati ng/d eactiv ating theA/C
func tion (cont rolpanel) .......................1 26
Ac tivati ng/d eactiv ating theA/C
func tion (multimedia system) .............. 127
Ac tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (cont rolpanel) .......... 128
Ac tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (multimedia sys‐
te m) .................... .............................. ... 128
Air dist ribution settings .......................1 27
Air -reci rculati onmod e.................... .....1 28
Au tomatic control..... ...........................127
Callin gup theair con ditionin gmenu ...127
Con trol pan elfor3-zone automatic
clima tecontr ol<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> .......126
Fil ling cap acityforPA Goil ...................4 66
Fr ont airvents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ............129
No te <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 126
Re ar air vents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .............129
Re frig er ant .................. ........................ 465
Re frig er ant filling capac ity.............. .....4 66 Re
mo ving condensation from the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 128
Re sidua lheat ....................................... 128
Se tting (multimed iasystem) ................1 27
Ve ntil ating theve hicle (convenie nce
op eni ng) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>78
Coc kpit .........................................................6
Ov ervie w .......................................... .......6
Cof feecup symbol
see ATTENTION ASSIST
Combination switch................................. 114
Com pass .................................................. 325
Com puter
see On-boar dcom puter
Conne ctionstatus
Displ aying ...................................... ...... 360
Ov ervie w ........................................ .....3 59
Co ntacts ...................................................338
Ca lling up ....... ................................... ..339
Dele ting .......................................... ..... 340
Dele tingfavo rite s ................................. 341
Do wnloadi ng(from mobile phone) ...... 338
Im por ting ....................................... ..... 340 Im
por ting (ove rview) ...........................3 39
Inf ormatio n....... ................................... 338
Maki ngacall ....................................... 340
Na me form at .......................................3 39
Op tions ................................................ 340
Sa ving asafa vo rite <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 341
Sel ecti ngoptions forsugg estions ........ 340
St or ing ................................................ 340
Con venience closing featur e....... ............. 79
Co nvenience opening................................ 78
Coolant (engine)
Capacit y.............................................. 464
Chec kleve l.......................................... 389
No tes ................................................... 464
Cop yrights
License .................................................. 31
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 32
Co rnering light function .......................... 116
Cr oss Traf fic Aler t...................................2 04
Cr oss wind Ass ist
Fu nctio n/no tes ................................... 164
Cr uise contr ol.......................................... 170
Butt ons <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .......171 536
Index

Oper
ating safety .................................. 229
Se ttin g (mul timed iasystem) ................2 31
Swi tchvo ice com mand s...................... 233
Te lephon evo ice con trols .....................2 38
Te xt mes sage voice com mand s...........2 42
Ve hicle voice com mand s................ .....2 43
Vo ice prom pting .................................. 230
Vo ice contr olsystem
see Voice Cont rolSy stem W
Wa rning lam ps
see Warning/ indic ator lam ps
Wa rning system
see ATA(anti-t heftal ar m system)
Wa rning triang le
Re mo ving ............................................. 401
Se tting up........................................ .... 401
Wa rning/indicat orlam p
0025 ABSwa rning lam p...................... 525
0027 Brakewa rning lam p(US A).......... 523
004D Brakeswarning lam p(Canada) ...5 23
ÿ Coolant wa rning lam p.................5 19 003D
Electrica lma lfunctio nwa rning
lam p................................................ .... 520
00B9 Engine diagno siswarning lam p.. 520
00BB ESP®
OFF warning lam p.............5 27
00E5 ESP®
wa rning lam pflashes ........ 526
00E5 ESP®
wa rning lam plight sup ...... 526
00D4 Fuelreser vewarning lam p.........5 21
0024 Redindicat orlam p,elect ric
par kingbr ak eapplied (Canada only)...5 22
0049 Redindicat orlam p,elect ric
par kingbr ak eapplied (USAonl y).... .... 522
0075 Restra int system warning lam p...5 17
0076 Seatbel twa rning lam pflashes ...5 17
0076 Seatbel twa rning lam plight s
up .................................................. ...... 518
0077 Tire pressur emonit oring sys‐
te m wa rning lam pflashes ...................5 28
0077 Tire pressur emonit oring sys‐
te m wa rning lam plight sup .................5 28 L
Warning lam pfo rdis tance
wa rning func tion .................................. 524
Ù Warning lam pfo relectr ic
po we rst eer ing .....................................5 18
0024 Yello welect ric pa rking brak e
indic ator lam pis malfun ctionin g.........5 22
Wa rning/indicat orlam ps........................ 515
Ov ervie w ..............................................5 15
PA SSENGER AIRBAG ............................ 45
Wa rranty ....................................................2 8
Wa sher fluid
see Windsh ield wa sher fluid
Wa shing byhand (car e) ...... ....................392
Wa terta nk
see Air-water duct
We ather information ...............................326
We bbr ow ser
Calling upawe bpag e.........................3 60
Ca lling up options ................................361
Ca lling up these ttings .........................3 62
Dele tingabookma rk<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 362
Del eting Interne this tory <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 362 Inde
x565