2020 MERCEDES-BENZ CLA tires

Clim
atecontr ol......................................... 12 6
Ov ervie wof climat econt rolsy stems ..........1 26
Oper ating theclimat econ trol system ......... 126 Dr
ivin gand parking ................................. 130
Dr iving ............ ............ ........................ ........130
DY NA MIC SELE CTswitc h... ............... ..........1 39
Au tomatic transmiss ion.............................. 142
Fu nctio nof 4MA TIC<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...........147
Re fuel ing...... .............................................. 148
Pa rking .......................................................1 50
Dr iving anddriving safetysy stems .............1 59
Ve hicle towing instruct ions .........................2 14 Ins
trum ent Disp layand on-b oard
com puter............ .......................................215
Ins trument Displayove rview .......................2 15
Ov ervie wof thebutt ons onthesteer ing
wheel .................. ........................................2 16
Oper ating theon- boar dcom puter............... 217
Ad jus ting thedesign oftheIns trument
Displa y... ............... ........................... ........... 218
Sho wing displ aycont entontheins tru‐
ment cluster..... ........... ........................ ........ 219 Ov
ervie wof displa yson themultifunc ‐
tion displa y... .................................... ..........2 20
Ad jus ting theins trument lighting ................2 21
Menus andsubmenus ................................. 221
Head-up Display... ...................................... 228 Vo
ice Contr olSy stem .............................. 229
No teson oper ating safety.......................... 229
Ope ratio n........... ................................. .......230
Usi ngtheVo ice Cont rolSy stem effec‐
tiv ely <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011>...232
Essenti alvoice com mand s.........................2 33 MBUX
multimedia system ....................... 24 7
Ov ervie wand oper ation .................. ............ 247
Sy stem settings .............................. ............ 281
Na vig ation .......................................... ........290
Te lephon e........................................ ...........3 30
Online andInterne tfunctions ..................... 358
Medi a....... ..................................................365
Ra dio .......................................................... 372
Sou nd<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 380 Main
tenance andcare............................. 384
ASS YSTPL US service interva ldispla y........ 384
En gine compartment .................................. 385
Cleanin gand care.......................................3 90 Br
eakdo wnassi stance ............................ 400
Emerg ency..................................................400
Flat tire....... ................................................ 402
Batt ery(v ehi cle) ....... .................................. 407
To w star tin gor towing away <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 413
Ele ctrica lfu ses ............ ................................418 Wheel
sand tires ...... ................................422
No teson noise orunusua lhandling char‐
act eristic s...................................................4 22
No teson regular lyinsp ecting wheels and
tir es ............................................................ 422
No teson sno wch ains ................................ 423
Ti re pressur e...............................................4 24
Loadi ngtheve hicle .....................................4 31
Ti re labeling ................................................ 435
Def inition ofterm sfo rtir es and loading ..... 440
Chan gingawheel .......................................4 43
Emerg encysparewheel .............................. 452 Cont
ents 3

*
NO
TEImpairment oftheoper ating effi‐
cie ncy ofthere stra int systems from
ins talling accessor ypar tsor from repair s
or we lding Air
bags andEmerge ncy Tensi oni ng Device s,
as wellas con trol unit sand sensorsfo rth e
re stra int systems, maybe installed inthefo l‐
lo wing areas ofyour vehicle:
R Door s
R Door pillars
R Doo rsi lls
R Sea ts
R Cockpit
R Instrument cluster
R Cen terconsole
R Lateral roof frame #
Donotins tallacc essor ypar tssuc has
audio systems inthese areas. #
Donotcar ryout repair sor we lding. #
Have afte rm arke tins tallation ofacc es‐
sor ies carried out ataqu alif ied spec ial‐
is two rkshop. Yo
uco uld jeopar dizeth eoper ating safetyof your
ve hicle ifyo uuse parts,tir es and wheel sas well
as acc essor iesreleva nt tosaf etywhic hha ve not
be en approve dby Mer cedes-Ben z.Saf ety-re le‐
va nt systems, e.g.thebr ak esy stem, maymal‐
func tion.Onl yuse Mercedes- BenzGenuine Parts
or par tsof equal qualit y.Onl yuse tires, wheels
and accessor iesthat have been specif ically
appr ovedfo ryo ur vehicle model.
Mer cedes-Ben zGenuine Parts ar esubject to
st rict qualit ycon trol. Eac hpar thas been spe‐
ciall yde veloped, manufactured orselec tedfo r
Mer cedes-Ben zve hicles andfine-tu nedforth em.
Ther efor e, onl yMer cedes- BenzGenuine Parts
should beused.
Mor eth an 300,0 00 differe nt Mer cedes-Be nz
Ge nui ne Parts ar eav ailable forMer cedes-Benz
model s.
All author ized Mercedes-B enzCent ersmaint ain
a supply ofMer cedes-B enzGenuine Parts fo r nece
ssaryser vice andrepair work.In addition,
st ra tegically locatedpar tsdeliv erycent erspr o‐
vide forqu ick and reliable partsser vice .
Alw aysspecify theve hicle identif ication number
(VIN) (/page458) when order ing Mer cedes-
Benz Genuine Parts. Oper
ator's Manual
This Oper ator's Manual describesallmodels and
all standar dand optio nal equipme ntavailable for
yo ur vehicle atthetime ofthis Opera tor's Man‐
ua lgoing topress. Countr y-specif icdif fere nces
ar epo ssi ble. No tethat your vehicle mayno tbe
eq uipped withall featur esdesc ribed. Thisisalso
th ecase forsy stems andfunc tionsre leva nt to
saf ety. Ther efor e, theeq uipment onyour vehicle
ma ydif ferfr om that inthedescr iption sand illus‐
tra tion s.
The original purchase agreement foryo ur vehicle
cont ains alis tof all ofthesy stems inyour vehi‐
cle.
Should youha ve anyqu estion scon cerning
eq uipment andoper ation, please consult an
aut hor ized Mercedes- BenzCenter. 22
Gener alno tes

%
Further information canbefound inthe
smar tphone app.
Secur ingtheengine agains tst ar ting before
car rying out maintenance orrepair work: #
Swi tchon thehazar dwa rning light system.
or #
Unloc kth edoor s.
or #
Open aside windo wor thesliding sunroof. Br
eaking-in notes Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers.
To preser vetheengine during thefirs t
1, 000 miles(1 ,500 km):
R Drive at varying road spee dsand engine
spee ds.
R Drive th eve hicle indrive pr ogr am A
or ;. R
Shif tto thene xt highes tge ar attheve ry lat‐
es twhen theneedle reac hes thelas tth ird
bef oreth ere dar ea intheta ch ome ter.
R Donotshi ftdo wn age ar man uallyin order to
br ak e.
R Avoid overstrai ning theve hicle, e.g.driving at
full thro ttle .
R Vehicl eswith automatic transmiss ion:Do
no tdepress theaccelera torpeda lbe yond the
pr essur epoint (kickdo wn).
R Onlyincr ease theengine speedgradually and
accelera tetheve hicle tofull spee daf te r
1, 000 miles(1 ,500 km).
This also app lieswhe nth eengine orpar tsof the
dr ivet ra in have been replaced.
Please alsoobser vethefo llo wing breakin g-in
no tes:
R Incer tain drivin gand drivin gsaf etysy stems,
th esensor sadjus taut omaticall ywhile acer‐
ta in dis tance isbe ing driven afte rth eve hicle
has been delivered orafte rre pair s.Fu llsy s‐
te m effectiv enes sis no tre ac hed untilth e
end ofthis teac h-in proce ss. R
Brak epads, brak edisc sand tires that are
eit her newor have been replaced onlyac h‐
ie ve optimum braking effect and grip afte r
se veralhundr edkilom eter sof driving. Com‐
pensat efo rth ere duced braking effect by
appl ying grea terfo rc eto thebr ak epedal. No
teson driving &
WARNIN GRisk ofacci dent dueto
object sin thedr iver's foot we ll
Obj ectsin thedr iver's foot we llma yim pede
pedal trave lor bloc kadepr essed pedal.
This jeopardizes theoper ating androad
saf etyof theve hicle. #
Stow allobj ect sin theve hicle secur ely
so that they canno tget intoth edr iver's
fo ot we ll. #
Alw aysins tallth efloor mats securely
and asprescr ibed inorder toensur e
th at ther eis alw ayssuf ficie ntroom for
th epedals. 13
4
Driving and parking

To
remo vesalt build-up:
R Brak eoccasionally whilepaying attention to
th etra ffic con dition s
R Carefull ydepr essthebr ak epedal attheend
of thejour neyand when star tin gth ene xt
jour ney
No teson hydropl aning
Hyd roplaning cantake place onceacer tain
amount ofwa terhas accumu lated on thero ad
sur face.
Obs erve thefo llo wing notesdur ing heavyprecip‐
it ation orinconditions inwhic hhy droplaning
ma yocc ur:
R Reduce speed
R Avoid tireru ts
R Avoid sudden steer ing movements
R Brak ecar eful ly
% Alsoob ser vetheno teson regular lych ecking
wheels andtires (/ page422). No
teson driving through wateron the road
sur face
Wa terwhi chhas entered intoth eve hicle can
damag eth eengine, electricsand transmission .
Wa tercan alsoent ertheair intakeof theengine
and cause engine damage.
Obser vethefo llo wing ifyo umus tdr ive th ro ugh
wa ter:
R The water,when calm,ma yonl yre ac hth e
lo we redg eof theve hicle body
R Drive at wa lkin gpace atmos t,other wise
wa tercan entertheve hicle interior orengine
com partment
R Vehicles trave ling infront ,or onc omin gve hi‐
cles, cancreat ewav eswhic hma yexc eed the
maximu mper missi bleheig htofthewa ter
The braking effect of thebr ak es isreduced afte r
fo rd ing. Brak ecar efull ywhile paying attent ion to
th etra ffic con dition sunt ilbr akin gpo we rhas
been fullyrestor ed. ECO
star t/s topfunc tion Ope
ratio nof the ECOstar t/s topfunc tion
Mer cedes -AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers.
The engineisswi tched offau tomatical lyin the
fo llo wing situat ionsifall vehicle conditions for
an aut omat iceng inestop areme t:
R Vehicl eswith automatic transmiss ion:
Yo ubr ak eth eve hicle toast ands tillin trans ‐
miss ionposit ion005Bor005C.
Ve hicl eswith automatic transmiss ion:
If yo uswit chon theHOLD function intransmis‐
sion position 005Bor005C, theengine willautomati‐
call yst op inthefo llo wing situat ions:
R Youstop behind ave hicle that ispullin g
aw ay.
R Youstop atast op sign when ther eis no vehi‐
cle infront ofyou.
R Youtur nth esteer ing wheel hardat alow
speed. Dr
iving andparking 13
7

Pr
oblems withthetransm ission Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
The transmission hasafa ulty gearshif t. The
transm issionis losin goil. #
Have thetra nsmiss ioncheckedat aqu alif ied spec ialistwo rkshop immediat ely.
The acceler ationcharact eristic sar e
de terior ating.
The transmission nolong ershif tsgear. The
transm issionis in emer gency operati on mod e. #
Pullove rand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions. #
Swi tchth etra nsmiss iontoposition 005D. #
Switc hof fth eengine. #
Waitat leas tte nseco ndsbefore restar tin gth eengine. #
Switc hth etra nsmiss iontoposition 005B. #
Have thetra nsmiss ioncheckedat aqu alif ied spec ialistwo rkshop immediat ely. Fu
nction of4MA TIC
4MA TICensur esthat all four wheel sar edr iven
when needed. Toget her withESP ®
and 4ETS,
4MA TICimprove sth etra ction ofyour vehicle
whene vera dr iven whee lspins duetoinsuf fi‐
cie nttracti on.
If yo ufa ilto adap tyo ur drivin gst yle, 4MA TICcan
neit her reduce therisk ofan accident norover‐ ri
de thelaws ofphysics. 4MA TICcannotta ke
acc oun tof road, weather and traf fic condi tions.
4MA TICisonly anaid. Youar ere sponsible espe‐
cially formaint ainingasaf edis tance from the
ve hicle infront, forve hicle speed, forbr aking in
good timeandforst ay ing inlane.
% Inwint ryroad con dition s,themaximum
ef fect of 4MA TICcan beachie vedonl yif yo u use
wint ertires (M+ Stir es), withsn ow
ch ains ifnec essar y. Dr
iving and parking 14
7

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

*
NO
TEDama gedue touns uitable car
wa sh #
Beforedr iving intoacar wash mak e
sur eth at thecar wash issuit able for
th eve hicle dimensions. #
Ensur eth er eis suf ficie ntgrou nd clear‐
ance between theunderbody andthe
guide rails ofthecar wash. #
Ensur eth at theclear ance widthof the
car wash, inpar ticular thewidt hof the
guide rails, issuf ficie nt. To
avo iddamag eto your vehicle when usinga
car wash, ensur eth efo llo wing beforehand:
R ActiveDis tance AssistDIS TRONI Cand the
HOLD functio nar edea ctivated.
R The 360° Camer aor there ar vie wcam erais
swit ched off.
R The side windo wsand slidin gsun roof are
com pletely clos ed.
R The blow erforth eve ntil ation/he ating is
sw itched off. R
The windsh ield wipe rsw itchis in po sitio n
005A.
R Incar washes withacon veyo rsy stem: neu‐
tr al 005C iseng aged.
R The Smar tKey isat amin imum distance of
10 ft(3 m) away from theve hicle, other wise
th etrunk lidcould openunintentionall y.
% Ifyo uwo uld liketo lea vetheve hicle while it
is being washed, makesur eth eSmar tKey is
locat edintheve hicle. Theparkposition 005D
is other wise automaticall yeng aged.
% If,afte rth ecar wash, youre mo vethewa x
fr om thewindshield andwiper rubber s,this
will preve ntsme aring and reduce wiper
noise. Inf
ormat iononusing apo we rwa sher &
WARNIN GRisk ofacci dent whenus ing
hig h-pr essurecle ani ng equipm entwith
ro und -spr ay nozzl es
The waterje tfr om aro und -spr ay nozzl e(d irt
gr ind er) maycau sedama getotires and sus‐
pe nsi on components that isno tvisi ble.
Com ponentsdamag edinthis wa yma yfa il
une xpec tedly. #
Donotus ehigh- pres su re cle ani ng
eq uipme ntwith round -spr ay nozzl esto
cle an your vehicle. #
Damag edtires orsuspension compo‐
nent smus tbe replaced immediat ely. To
avo iddamag eto your vehicle, observethefo l‐
lo wing when usingapo we rwa sher :
R keep theSmar tKey atleas t10 ft(3 m) away
fr om theve hicle. Other wise thetrunk lid
could openunintentionall y.
R maint ainadis tance ofat leas t11 .8 in
(30 cm) totheve hicle. Maint
enance andcare39
1

R
vehicl eswith decorativ efo il: par tsof your
ve hicle areco veredwit hadecor ativefo il.
Maint ainadis tance ofat leas t27 .6 in
(70 cm) between thefo il-c ove redpar tsof the
ve hicle andthenoz zleofthepo we rwa sher .
Mo vethepo we rwa sher nozzlearound whilst
cleaning. Thewaterte mp eratur eof the
po we rwa sher mustno texc eed 140°F
(60 °C).
R obse rveth einf ormation onthecor rect dis‐
ta nce intheeq uipment manufacturer'soper‐
ating instruction s.
R donotpoint thenoz zleofthepo we rwa sher
dir ectl yat sensitiv epar tssuc has tires, slits,
electr icalcom ponents, batteries, light bulbs
and ventil ation slot s. Wa
shing theve hicl eby hand Obser
vetheleg alrequ iremen ts,e.g. inanumb er
of coun tries, washing byhand isonl yper mitt ed
in specially designatedwash bays. #
Use amild cleaning agent, e.g.carsham poo. #
Washtheve hicle withluk ewa rmwaterusi ng
a sof tcar spong e.When doingso,donot
ex pose theve hicle todirect sunlight . #
Carefully hosetheve hicle offwit hwa terand
dr yusi ng ach amois .Ta ke car eno tto point
th ewa terje tdir ectl yto wa rdsth eair inle t
gr ille belo wthehood. 392
Maintenanc eand care