fuel MERCEDES-BENZ CLA 2021 Owners Manual

Clim
atecontr ol......................................... 12 3
Ov ervie wof climat econt rolsy stems ..........1 23
Oper ating theclimat econ trol system ......... 123 Dr
ivin gand parking .................................. 127
Dr iving ............ .................................... ........127
DY NA MIC SELE CTswitc h... .........................1 36
Au tomatic transmiss ion.............................. 139
Fu nctio nof the4MA TIC.............................. 143
Re fuel ing...... .............................................. 144
Pa rking .......................................................1 46
Dr iving anddriving safetysy stems .............1 53
Ve hicle towing instruct ions .........................2 04 Ins
trument Displa yand on-b oard
co mp uter ...... ............................................205
No teson theIns trument Displayand on-
boar dcom puter.............................. ............ 205
Ins trument displayove rview ............ ...........2 06
Ov ervie wof thebutt ons onthesteer ing
wheel ..................... .....................................2 07
Oper ating theon- boar dcom puter.............. 207
Ov ervie wof what issho wnonthemulti‐
func tion displa y... ....................................... 209 Head-up
Display... ...................................... 209 MBUX
multimedia system ....................... 212
Ov ervie wand oper ation .................. ............ 212
Sy stem settings .............................. ............ 221
Na vig ation .......................................... ........225
Te lephon e........................................ ...........2 31
Mer cedes meand apps .................. ............ 234
Mer cedes-Ben zemer gency callsy stem ...... 242
Ra dio &media .................................. .......... 246
Sou ndsettings <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 253 Main
tenance andcare... .......................... 254
ASS YSTPL US service interva ldispla y........ 254
En gine compartment ...................... ............ 255
Chec kingth ebr ak epad thickn ess ...............2 61
Clean ingand care.......................................2 61 Br
eak down assista nc e<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 269
Emerg ency<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 269
Fla ttir e<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 270
Batt ery(v ehi cle) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> ..276
To w star tin gor towing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 281 Ele
ctrica lfus es<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 286 Whe
elsand tires <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 289
No teson noise orunusua lhandling char‐
act eristic s...................................................2 89
No teson regular lyinsp ecting wheels and
tir es ............................................................ 289
No teson sno wch ains ................................ 290
Ti re pressur e.............................................. 290
Loading theve hicle .....................................2 97
Ti re labeling ................................................ 301
Def inition ofterm sfo rtir es and loading ..... 306
Cha nging awhee l..... .................................. 309
Emer gency sparewheel .............................. 318 Te
ch nical data.......................................... 321
No teson tech nica lda ta <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 321
Ve hicle electr onics ...................................... 321
Ra dio oper ating permits forve hicle com‐
ponent s... ................................................... 323
Ve hicle identif ication plate,VIN and
engine number overview ............................ 323
Opera tingfluids .......................................... 324
Ve hicle data... ............................................. 331 Cont
ents 3

1
0025 ABS →
392
2 003E003D Turn signal lights →
112
3 0077 Tire pressur emonit oring system →
394
4 003D Electrical mal functi on →
384
5 L Distance warning →
391
6 00C6 Recup erati ve Brak eSy stem, USAonl y →
388
004D Brak es (yello w), Canada only →
388
7 Brak es (red) →
388
0027 USAonl y
004D Canada only
8 0024 Electric pa rking brak e(yello w) →
388
9 Elec tric par kingbr ak e(red) →
388
0049 USAonl y
0024 Canada only A
00B9 CheckEn gine →
384
B 005E Rear foglam p →
112
C 0057 Highbeam →
112
0058 Lowbeam →
111
0060 Parking lam ps →
111
D 00BB ESP®
OFF →
392
00E5 ESP®
→
392
E 0075 Restra int system →
382
F Fuelleve l →
206
G 00D4 Reser vefuel withfuel filler flap locatio n
ind icat or →
384
H Ù Powe rst eer ing →
383
I 00E9 Seatbelt →
382 At
aglanc e– Indicat orand warning lam ps(sta nda rd) 11

1
003E003D Turn signal lights →
112
2 0075 Restra int system →
382
3 00BB ESP®
OFF →
392
00E5 ESP®
→
392
4 005E Rear foglam p →
112
5 0057 Highbeam →
112
0058 Lowbeam →
111
0060 Parking lam ps →
111
6 ÿ Coolan tte mp eratur e →
384
7 Coolant temp eratur edispla y →
206
8 0024 Electric pa rking brak e(yello w) →
388
9 00C6 Recup erati ve Brak eSy stem, USAonl y →
388
004D Brak es (yello w), Canada only →
388
A 003D Electrical mal functi on →
384
B L Distance warning →
391 C
0025 ABS →
392
D Ù Powe rst eer ing →
383
E 0077 Tire pressur emonit oring system →
394
F 00B6 Reser vefuel withfuel filler flap locatio n
ind icat or →
384
G Fuelleve l →
206
H Electr icpar king brak e(red) →
388
0049 USAonly
0024 Canada only
I Brak es (red) →
388
0027 USAonly
004D Canada only
J 00E9 Seatbelt →
382
K 00B9 CheckEngi ne →
384
L ä Indicatorlamp inope rativ e At
aglanc e– Indicat orand warning lam ps(Widesc reen Coc kpit) 13

1
Safetyve sts →
269
2 ; mebutt on →
236
0053 SOSbutton →
236
3 002F Hazard warning light system →
113
4 Stor ag ecom partmen tfo rcus tomer liter atur e
5 Startin gassis tance →
280
6 Checking andrefilling operatingfluids →
324
7 Tow- star tin gor towing away →
282
8 Flat tire →
270
9 B-pil larwi th: QR
code foraccessi ngthere scue card →
30
A Tow- star tin gor towing away →
282
B TIREFIT kit →
272
C First-ai dkit (softsided) →
270
D Fuelfiller flap with:
inf ormat ionlabel onfuel type →
144
Inf ormation labelon tirepr essur e →
292
QR code foraccessi ngthere scue card →
30
E Warning triang le →
269 At
aglanc e– Em erge ncie sand brea kdo wns 19

Pr
otecting theen vir onmen t
+ ENV
IRONM ENTALNOTEEnvironme ntal
da ma gedue tooper ating condit ionsand
per sonal driving style The
pollut antemission oftheve hicle is
dir ectl yre lat ed tothewa yyo uoperat eth e
ve hicle.
Oper ateyo ur vehicle inan environment ally
re sponsible mannertohelp protect theen vi‐
ro nment. Plea se obser vethefo llo wing rec‐
omme ndations onope rating cond itions and
pe rsonal driving style.
Oper ating conditions: #
Mak esur eth at thetir epr essur eis cor‐
re ct. #
Donotcar ryanyunn ecessar ywe ight
(e.g. roof lugg agera ck sonce youno
lon gerneed them). #
Adher eto theser vice interva ls.
A regular lyser viced vehicle willcont rib‐
ut eto environmen talpr otect ion. #
Alw aysha ve maint enance workcar ried
out ataqu alif ied spec ialistwo rkshop.
Pe rsonal driving style: #
Donotdepr esstheaccelera torpeda l
when star tin gth eengine. #
Donotwa rm uptheengine whilethe
ve hicle isstatio nary. #
Drive car efu llyand maintain asu itab le
di st anc efrom theve hicle infront. #
Avoid freq uent, sudden acceleration
and braking. #
Chang ege ar ingood timeand useeach
ge ar onlyup to00C3 ofits maximum
engine speed. #
Switc hof fth eengine instatio narytraf‐
fi c, e.g. byusin gth eEC Ostar t/ stop
funct ion. #
Drive fuel-ef ficie ntly .Obs erve theEC O
displa yfo ra fuel -efficie ntdrivi ng style. En
vir onmental issuesandrecomm endations
It is recomme ndedthat youre -us eor recy cle
mat erials ins tead ofjus tdispo singof them.
The releva nt environme ntal gu ideline sand regu‐
lations servetoprotect theen vironmen tand
mus tbe strictly observe d. Genuine
Mercedes-Benz parts
+ ENVIR
ONMEN TALNO TEEnvironme ntal
da ma gedue tonotus ing recy cle dre con‐
di tione dcom pone nts Mercedes‑Be
nzAG offers recy cle dre condi ‐
tione dcom pone ntsand parts wit hth esame
qu alit yas newpar ts.The same entitlemen t
fr om theLimit edWarrant yis valid asforne w
par ts. #
Use recy cle dre condi tionedcom po‐
nents andparts from
Mer cedes‑Benz AG. 22
Gener alno tes

The
Oper ator's Manual andMaint enanc eBookle t
ar eim por tant docum ents andshould be kept in
th eve hicle. Ser
vice andvehicl eoper ation Ve
hicl eoper ation outside theUS Aor Cana da When
youar eabr oad withyo ur vehicle, observe
th efo llo wing points:
R Service point sor replacemen tpar tsma yno t
be available immediat ely.
R Unleaded fuelmayno tbe available forve hi‐
cles withacat alytic converter .Leaded fuel
ma ycause damag eto thecat alytic converter .
R The fuel mayha ve an extreme lylow oct ane
numb er.Un suit able fuelcancause engine
damag e.
Some Mercedes-Benz modelsareav ailable in
Eur ope thro ugh ourEuropean DeliveryPr og ram.
Fo rmor einf ormation, pleaseconsult anauthor‐
ized Mercedes‑B enzservice center,or write to
one ofthefo llo wing address:
In theUS A: Mer
cede s-Benz USA,LLC
Eur opea nDeliv eryDepar tment
One Mercedes-Benz Drive
Sandy Springs, GA30328
In Canada:
Mer cedes-Benz Canada,Inc.
Eur opea nDeliv eryDepar tment
98 Vande rhoof Avenue
To ronto, Ont ario M4G 4C9 Mai
nten anc e Yo
ur cus tomer advisorconf irms theser vice in
th eser vice repor t. Ro
adside Assistan ce The
Mercedes -Benz Roadside Assis tance Pro‐
gr am offers tech nica lhel pin thecase ofa
br eakdo wn.Your calls totheto ll-f reeRo adside
As sis tance Hotline areans weredby our agents
24 hour sa da y,365 days aye ar.
1- 80 0-FO R-MER Cedes (1-800-367-63 72)(US A) 1-8
00-387-0 100(Canada)
Yo ucan find further information inthe
Mer cedes-Ben zRo adside Assis tance Progr am
br oc hu re (US A)orthe"R oadside Assistance"
secti onintheSer vice andWarrant ybook let
(Canad a).Youwill find both intheve hicle docu‐
ment wallet. Chang
eof address orchang eof ow ner ship In
theev ent ofach ang eof addr ess, please send
us the"No tification ofaddr esschang e"inthe
Ser vice andGuarant eeboo kletor simply callth e
Mer cedes-Ben zCus tomer Assis tance Center
(US A)on theho tline number
1-8 00-FOR-MER Cedes (1-800-367-63 72)or Cus‐
to mer Service (Canada )on 1-800-38 7-0100. We
can then reac hyo uin atim elyfa shion, ifneces‐
sar y.
If yo usell your Mer cedes,pleas elea veall liter a‐
tur ein theve hicle sothat itis available tothe
ne xt ow ner .If yo uha ve pur chased aused vehi‐
cle, please sendusthe"No tice ofPur chase of
Used Car"intheSer vice andGuar anteebookle t
or sim plycall theMer cedes- BenzCustomer 24
Generalno tes

If
yo ubelie vethat your vehicle hasadef ect
whic hcould cause acr ash orcould cause injury
or deat h,yousho uld imm ediat elyinf orm Trans ‐
por tCanada inaddit iontonotify ing Mercede s-
Benz Canad aInc.
If Trans portCanada recei vedsimilar complaints,
it ma yopen aninve stigation ,and ifit finds that a
saf etydef ectex ists inagr oup ofvehicles, itma y
or der are cal land remedy campaign. Howe ver,
Tr ans portCanada cannotbec ome invo lved in
individual problems between you, your dealer or
Mer cedes-Ben zCanad aIn c.
To cont actTrans portCanada, youma ycall the
Def ect Inve stigation sand Recal lsDivi sionto ll-
fr ee inCanada at1-800 -333- 0510 or
81 9-99 4-3328 intheGatineau-Ot tawa area or
int ernat ionally; youma yalso gotothefo llo wing
we bsit esformor einf ormation:
R Eng lish:https://www .tc.gc.ca/recalls
R Frenc h:htt ps:/ /www .tc.gc .ca/ rappels Limit
edWa rranty
* NO
TEDama getotheve hicle arising
fr om violation ofthese oper ating instruc‐
tion s. Damag
eto theve hicle canarise from viola‐
tion ofthese oper ating instruction s.
This damag eis no tco veredeit her bythe
Mer cedes-Ben zim plied warrant yor by the
Ne w‑ orUsed- Vehicle Warrant y. #
Followtheins truction sin these oper at‐
ing instruction son proper operation of
yo ur vehicle aswellas on possible vehi‐
cle damag e. QR
code forre scue card
QR codes areatt ached inthefuel filler flap and
on theopposit eside ontheB-pillar .In theeve nt
of an acci dent, rescue services canusetheQR
code toquickl yfind theappr opriatere scue card
fo ryo ur vehicle. Thecurrent rescue cardcon‐
ta ins themos tim por tant informa tionab ou tyo ur ve
hicle inacom pact form ,e.g. thero utin gof the
electr iclines.
Fu rther information canbeobt ained athttps: //
www .mercedes-benz .de/qr-code. Data
storage Data
processi ngintheve hicl e Ele
ctroni cco ntr olunits
Electr oniccontr olunits areins talled inyour vehi‐
cle. Contr olunits process datawhic h,forex am‐
ple, they recei vefrom vehicle sensor s,ge ner ate
th emselv esorexch ang ebe tween themselv es.
Some control units arere qu ired forth esaf e
oper ation ofyour vehicle, some assistyo uwhen
dr ivin g,suc has driver assis tance systems, while
ot her senable comfortor infotainm entfunction s.
The follo wing prov ides youwit hge ner alinf orma ‐
tio nre ga rding datapr oces sing intheve hicle.
Ad dition alinf ormation rega rding exact lywh ich
da ta inyour vehicle arecollect ed,save dand
tra nsm itted tothird par ties and forwha tpur‐
pose, canbefound intheinf ormation direct ly
re lat ed tothefunc tionalch aract eristic sin qu es‐ 30
Gener alno tes

occupant
s.These measur escann otnece ssarily
pr eve ntan imm inentimpact.
PR E-S AFE ®
PL US can implem entthefo llo wing
measur esindepe ndently of eac hot her :
R Tight ening theseat belts onthedr iver's seat
and front passeng erseat.
R Increasin gbr ak epr essur ewhen theve hicle
is statio nary.This brak eapplication iscan‐
celed automaticall ywhen theve hicle pulls
aw ay.
If an accident didnotoccur ,th epr e-em ptive
measur esthat we retake nar ere ve rsed.
Sy stem limit s
The system will notinitiat ean yaction inthefo l‐
lo wing situat ions:
R When backingup
The system will notinitiat ean ybr aking applica‐
tion inthefo llo wing situat ions:
R Whils tdr ivin g
or R
When entering orexitin gapar kingspace
while using ActivePa rking Assist Au
tomatic measures afte ran acciden t
Dep endingonthetype andseverity of theacci‐
dent ,and depending ontheve hicle's equipment,
th efo llo wing measur escan beimplemen ted, for
ex am ple:
R Automatic braking (post-collisi onbrak e)
R Activati ng thehazar dwa rning light s
R Trigg ering anaut omat icemer gency call
(/ page 243)
R Swi tching offth eengine
To restar tth eve hicle, switchth eignition off
and switc hit bac kon (/ page12 8).
Dep endingonthetype andseverity of the
acc iden t,itis poss iblethat theve hicle can
no long erbe star ted.
R Switc hingoffth efuel supply
R Unloc kin gth eve hicle doors
R Lowe ring theside windo ws R
Display ing theemer gency guide in themulti‐
media system displa y
R Switc hingontheint erior lighting
Fu nction ofthepos t-collision brak e
Dep endingontheacciden tsituation ,th epos t-
collision brak ecan minimiz eth ese verity of afu r‐
th er collision oreve navo idit.
If an acc ident isde tected, thepos t-collision
br ak ecan implement automatic braking. When
th eve hicle hascome toast ands till,th eelectr ic
par king brak eis aut omatic allyapplied.
The driver can canc elaut omatic braking bytak‐
ing thefo llo wing actions :
R Brakin gmor est ro ng lythan aut omat icbrak‐
ing
R Fully depr essin gth eaccelera torpeda lwit h
fo rc e Occupant
safety 51

Smar
tKey Ov
ervie wof Smar tKey functio ns &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R Open doors,ther eb yendang ering other
per sons orroad user s.
R Getout and bestru ck byoncom ingtraf‐
fi c.
R Ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R Releasing thepar king brak e.
R Changing thetra nsmiss ionposition .
R Startin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. *
NO
TEDama getotheSmar tKey cau sed
by magne ticfields #
Keep theSmar tKey away from stro ng
ma gne ticfields. 1
Locks
2 Indicat orlam p 3
Unloc ks
4 Opens thetrunk lid
5 Panic alar m
% Ifind icatorlam p2 does notlig ht up afte r
pr essing theÜ orß button,thebat‐
te ry iswe ak orposs iblydisc harged. Re place
th ebatt eryas soon aspossible.
Re place theSmar tKey batt ery(/ page68).
The Smar tKey loc ksand unlocksth efo llo wing
com pone nts:
R Doo rs
R Fuelfiller flap
R Trunk lid
If th eve hicle isno topened within appr oximat ely
40 seco ndsafte runloc king,itloc ksagain. Anti-
th eftpr otect ion isarmed again.
Do notke ep theSmar tKey toget her withelec‐
tr onic devices orme talobje cts. This canaffect
th eSmar tKey 's functionality . 66
Opening andclosing

Ac
tiv atin g/deac tivatin gthe acoustic lock ing
ve rificat ion signa l Mult
imed iasystem:
4 © 5
Set ting s5
Vehicle #
Activateor deacti vate Acou sticLock . Ac
tiv atin g/deac tivatin gthe pani calar m Re
quirement s:
R The ignit ionisswitc hedoff. #
Toactiv ate: press butt on1 forapp rox‐
ima tely one second.
A visual andaudibl ealar mistrigg ered. #
Todeac tivate: briefly pr ess button1 again.
or #
Press thest ar t/ stop butt ononthecoc kpit,
wit hth eSmar tKey insid eth eve hicle. Changing
theunloc kingsettings Po
ssible unlockingfunctions oftheSmar tKey :
R Cen tralunlo cking
R Unloc kin gth edr iver's door andfuel filler flap #
Toswitc hbe tw een settings: press the
Ü andß buttonssimul taneousl yfo r
appr oximat elysix seco ndsuntilth eindicat or
lam pflashes twice.
Op tions ifth eunloc kingfunction forth edr iver's
door andfuel filler flap has been selected:
R Tounlo cktheve hicl ece ntr ally:press the
Ü buttontwice.
R Vehicl eswith KEYLESS-GO :if yo uto uc h
th einner surface ofthedoor handle onthe
dr iver's door ,onl yth edr iver's door andfuel
fi ller flap areunlo cked. Deactiv
atingtheSmar tKey functio ns If
yo udo notuse theve hicle oraSmar tKey for
an extende dpe riod oftime, youcan reduce the
ener gycon sum ption ofthere spectiv eSmar tKey .
To do so, deactiv ateth eSmar tKey functions. #
Todeac tivate: press theß buttononthe
Smar tKey twi ce inqu ick succ ession .
The Smar tKey indic ator lam pflashes twice
br ief lyand light sup once. #
Toactiv ate: press anybutt onontheSmar t‐
Ke y.
% When theve hicle isstar tedwit hth eSmar t‐
Ke yin thestor ag ecom partmen tof thecen‐
te rconsole, theSmar tKey functions are
au tomatical lyact ivat ed (/ page12 9). Op
ening an dclos ing 67