2021 MERCEDES-BENZ CLA run flat

Ther
eis arisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. #
Alw aysst ow object sso that they can‐
no tbe throw nar ou nd insuch situa‐
tions. #
Alw aysmak esur eth at obj ect sdo not
pr otru de from stow agespac es,parcel
ne ts or stow agene ts. #
Close theloc kable stow agespac es
bef orest ar tin gajo ur ne y. #
Alw aysst ow and securehea vy,har d,
poin ted, shar p-edg ed,fragile orbulky
objec tsinthetrunk/ cargocom part‐
ment . Obser
vetheno teson loadi ngtheve hicle. &
WARNIN GRisk offire from placing
objects inthemobile phonestor ag e
com partmen t
Placing other object sin themobile phone
st or ag ecom partmen tcould constituteafire
hazar d. #
Apar tfr om amobile phone, donot
place anyot her object sin themobile
phone stor ag ecom partmen t,especiall y
th ose made ofme tal. *
NO
TEDama getoobject scaused by
placing them inthemobile phonestor‐
ag ecom partmen t If
object sar eplaced inthemobile phone
st or ag ecom partmen t,th ey ma ybe dama ged
by electr omagne ticfields. #
Donotplace credit cards, datast or ag e
de vices, skipasses orother object s
sensitiv eto electr omagne ticfields in
th emobile phonestor ag ecom part‐
ment . *
NO
TEDama getothemobile phone
st ow agecom partment caus edbyliquids If
liq uids enterthemobile phonestow age
com partment ,th ecom partmen tma ybe
damag ed. #
Ensur eth at no liquids enterthemobile
phone stow agecom partment . The
follo wing noteson wirelessl ych argin gth e
mobil ephone mustbe obser ved:
R Depen dingontheve hicle equipment, the
mobil ephone isconnect edtotheve hicle's
ex terior ant enna viathech argin gmodul e.
R The chargin gfun ction and wireless connec‐
tio nof themobile phonetotheve hicle's
ex terior ant enna areonl yav ailable ifth eigni‐
tion isswitc hedon.
R Small mobile phones mayno tbe able tobe
ch arge din eve ryposition ofthemobile
phone stor ag ecom partmen t.
R Largemobil ephones whichdo notre st flat in
th emobile phonestor ag ecom partmen tma y
no tbe able tobe charge dor con nectedwit h
th eve hicle's exterior ant enna.
R The mobile phonemayheat updur ing the
ch argin gpr oce ss.This maypar ticular ly
de pend ontheapplications (apps)currentl y
op en inthebac kground . 10
8
Sea tsand stow ing

#
Push both sides ofwa rning triang leholder
1 inthedir ect ion ofthear row and open it. #
Remo vewarning triang le2.
Se tting upthewa rning triang le #
Foldside reflect ors1 upw ards toform atri‐
ang leand attachat theto pusing upper
pr ess-s tud2. #
Foldlegs 3down and outtotheside. Fi
rs t-aid kit(sof t-si ded) overview Fir
st-ai dkit (softsided) 1isin thetrunk inthe
lef t-hand orright-h andstor ag ene t,depending
on themodel. Flat
tire No
tesin theeve ntofaflat tire &
WARNIN GRisk ofacci dent dueto aflat
tir e
A flat tirese verely affects thedr iving charac‐
te rist ics aswellas thesteer ing and braking
of theve hicle.
Ti re swith outrun-flat charact eristics : #
Donotdr ive wit haflat tire. #
Chan getheflat tireimm ediat elywit han
emer gency sparewheel orspar ewheel.
Alt ernat ivel y, consu ltaqu alif ied spe‐
cialis two rkshop.
Ti re swith run-flat charact eristics : #
Obse rveth einf ormation andwarning
no teson MOExt ended tires (run-f lat
tir e). 27
0
Brea kdo wnassista nce

In
theeve ntofaflat tire, thefo llo wing option s
ar eav ailable dependingon your vehicle's equip‐
ment :
R Vehicl eswith MOExt endedtir es: itis pos‐
sibl eto continu eth ejour neyfo ra shor t
per iod oftime. Makesur eyo uobse rveth e
no teson MOExt ended tires (run-f lattires)
(/ page27 1).
R Vehicl eswith aTIREF ITkit: youcan repair
th etir eso that itis poss ibletocontinu eth e
jou rney fora shor tper iod oftime. Todo this,
use theTIREFI Tkit (/ page27 2).
R Vehicl eswith Mercedes meconne ct:yo u
can makeacal lfo rbr eakdo wnassi stanc evia
th eove rhead control panel inthecase ofa
br eakdo wn(/ page236).
R Allvehicl es:chang eth ewheel
(/ page31 3).
% Theem erge ncy sparewheel isonl yav ailable
in cer tain coun tries. No
teson MOExt ended tires (run-fl attires) &
WARNIN GRisk ofacci dent whendr ivi ng
in limp -hom emod e
Whe ndr ivi ng ineme rgency modeth ehan‐
dling charact eristic sar eim pair ed. #
Donotexc eed thespecif iedmaximum
speed oftheMOEx tende dtir es. #
Avoid anyabr uptst eer ing and driving
maneuv ersas wellas drivin gove r
obs tacle s(cu rbs, pothol es, off-r oa d).
Thi sap plies, in pa rticular ,to aloaded
ve hicle. #
Stop driving intheemer gency mod eif
yo uno tic e:
R Ban gingno ise
R Vehicle vibration
R Smok ewhic hsmells likeru bber
R Contin uousESP®
int erve ntio n
R Crac ks inthetir eside walls #
Afterdr iving inemerg encymode, have
th erims checkedby aqu alif ied spec ial‐ is
two rkshop withre ga rd totheir further
use. #
The defective tir emus tbe replaced in
eve rycase . Wi
th MOExt ended tires (run-f lattires), youcan
co ntinue todrive yo ur vehicle evenif th er eis a
tot alloss ofpressur ein on eor mor etir es. How‐
eve r,th etir eaf fect ed mus tno tsho wan ycle arly
vis ible da mag e.
Yo ucan recogni zeMOExt endedtir es by the
MOExt ended marking whichappea rson theside
wa llof thetir e.
Ve hicl eswith tirepr ess urelos swa rning sys‐
te m: MOExt endedtires ma yonly beused incon‐
junc tionwi th an act ivat ed tirepr essur eloss
wa rning system.
Ve hicl eswith tirepr ess uremonit oring sys‐
te m: MOExt endedtires ma yonly beused incon‐
junc tionwi th an act ivat ed tirepr essur emon itor‐
ing system. Br
eakdo wnassis tance 27
1

If
apr essur eloss warning mess ageappear sin
th emultifunc tiondispla y,proceed asfollo ws :
R Chec kth etir es fordama ge.
R Ifdr iving on,obser vethefo llo wing notes.
Dr iving distance possible inemer gency
mode afte rthe pres sur elo ss wa rning: Load
condit ion Driving distance pos‐
sible inemer gency
mode
Pa rtiall yladen 50miles (80km)
Fu lly laden 19mile s(30 km) The
driving distance possi ble in eme rgency
mod ema yva ry dependin gon thedr iving style.
Obser vethemaximum permissible speedof
50 mph(80 km/h).
If atir ehas gone flat and cannotbe replaced
wit han MOEx tende dtir e, youcan useast and‐
ar dtir eas ate mp orarymeasur e. TIREFIT
kitstorage location The
TIREF ITkit islocat edunder thetrunk floor . 1
Tire seala ntbottle
2 Tire inflation compressor
Depe ndingon themodel, theTIREFI Tkit may
also belocat edinother places underthetrunk
fl oor . Using
theTIR EFIT kit Re
quirement s:
R Tire seala ntbottle and tireinf lation compres‐
sor (/ page27 2). R
TIRE FITst icke r
R Gloves(depending ontheve hicle equipment)
Yo ucan useTIRE FITtir esealan tto seal perfora ‐
tio nda ma geofup to0.16 in(4 mm), particular ly
th ose inthetir econ tact surface. Youcan use
TIRE FITin out side temp eratur esdown to-4°F
(-20° C). &
WARNIN GRisk ofacci dent whenus ing
tir esea lant
The tiresea lant ma ybe una ble to seal the
tir epr op erly,es pe cia llyinthefo llo wing
cases :
R Ther ear elar ge cuts orpunctur esinthe
tire (larg erthan damag epr ev iousl ymen ‐
tion ed)
R The wheel rims have been damag ed
R Afterjour neys wit hve ry low tirepr essur e
or wit hflat tires #
Donotcon tinue drivin g. #
Con sult aqu alif ied spec ialistwo rkshop. 27
2
Brea kdo wnassista nce

#
Push theplug ofhose 5intoflang e6 of
tir esealan tbo ttle 1 untilth eplug engages. #
Place tiresealant bottle 1 head down wards
int ore cess 2ofthetir einf lation compres‐
sor . #
Remo vetheva lve cap from valve 7 onthe
fa ulty tire. #
Screw filling hose 8ontova lve 7. #
Insertplug 4intoa12 Vsoc ketin your
ve hicle. #
Switc hon theignition . #
Switc hon thetir einf lation compressor using
On/ Offswitc h3.
The tireis inf lated. First,tir esealant ispum‐
ped intoth etir e. The pressur ema ybr ief ly
ri se toappr oximat ely500 kPa(5 bar/7 3psi).
Do notswitc hof fth etir einflat ioncom pres‐
sor during this pha se! #
Letth etir einf lation compressor runfo ra
maximu mof tenminu tes.
The tireshould then have attaine datir e
pr essur eof at leas t20 0kP a(2. 0bar/
29 psi).
If tir esealan tleak sout ,mak esur eyo ucle an the
af fect ed area asquickl yas possible .It is prefer a‐
ble touse clean water.
If yo uge ttir ese alant onyour clo thing, have it
clean edassoon aspossible withper chlor oethy‐
len e.
If, afte rte nminut es,atir epr essur eof
200 kPa(2.0 bar/29 psi)hasnotbeen
attained: #
Switc hof fth etir einf lation compressor . #
Unscr ew thefilling hose from theva lve of the
fa ulty tire.
Pleas eno te that tiresealan tma yleak outwhen
uns crew ing thefilling hose. #
Drive fo rw ards orinreve rseve ry slo wlyfo r
appr oximat ely33 ft(10 m). #
Pum pup thetir eag ain.
Af tera maximu mof tenminu testh etir e
pr essur emus tbe atleas t200 kPa(2.0 bar/
29 psi). &
WARNIN GRisk ofacci dent dueto the
specif iedtirepr essur eno tbeing attained
If th eminimum tirepr essur eis no tre ac hed
af te rth especif iedtime, thetir eis toobadl y
damag ed.The tiresealant cannotrepair the
tir ein this ins tance.
The braki ng and drivi ng charact eristic sma y
be great lyim pair ed. #
Donotcon tinue drivin g. #
Consult aqu alif ied spec ialistwo rkshop. 27
4
Brea kdo wnassista nce

Be
sureto also payatt ent ion tothefo llo wing
re lat ed topic:
R Noteson tirepr essur e(/ page290) Ti
re pres sur elo ss wa rning system Fu
nction ofthetir epr essur eloss warning
sy stem
The tirepr essur eloss warning system warnsth e
dr iver by means ofdisp lay messa geswhen ther e
is ase vere tirepr es su re loss.
Sy stem limit s
The system maybe impair edorma yno tfunc tion
par ticular lyin thefo llo wing situat ions:
R Incorrectly settir epr ess ure
R Sud den press urelos scau sed,fo rex am ple,
by afo re ign obje ctpene tratin gth etir e
R Steady pressur eloss inseveraltir es
The system has are strict ed ordel aye dfunc tion
par ticular lyin thefo llo wing situat ions:
R Poor ground condit ions,e.g.snowor gra vel
R Driving with sno wch ains R
When adoptingave ry spor tydriving style
wit hhigh corner ing speeds orsudden accel‐
er ation
R Drivin gwit hahigh load
The tirepr essur eloss warning system isonl yan
aid. Itis thedr iver's responsibili tyto setth etir e
pr essur eto there comme ndedcoldtirepr ess ure
su itab leforth eoper ating situation andtocheck
it.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page290)
R Displa ymessag esabout thetir es
(/ page37 4)
Re star ting thetir epr essur eloss warning
sy stem
Re quirement s:
R The recomme ndedtirepr ess ureis cor rectl y
se tfo rth ere spectiv eoper ating status onall
wheels . Re
star tth etir epr essur eloss warning system in
th efo llo wing situat ions:
R The tirepr essur ehas chang ed.
R The wheels ortires have been chang edor
ne wlyins talled.
On- boar dcom puter:
4 Service 5
Tires #
Swipe down wardson Touc hCon trol on the
lef t-hand sideofthesteer ing wheel.
The Tire Pressure ControlSystem Active
Restart messageis sho wninthemultifunc ‐
tion displa y. #
Tobegin restar t,pr ess Touc hCon trol on the
lef t-hand sideofthesteer ing wheel.
The Tire Pressure NowOK?messag eis
sho wninthemultifunc tiondispla y. #
Select Yes. #
Toconf irm restar t,pr ess Touc hCon trol on
th elef t-hand sideofthesteer ing wheel.
The Run FlatIndic atorRestart edmessag eis
sho wninthemultifunc tiondispla y. 296
Wheels andtires

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Yo uco uld then lose control of theve hicle. #
Obser vethere comme ndedtirepr ess ures. #
Adjus tth etir epr essur eif neces sary. #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir epr essur e(/ page290) andthetir es. #
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (/ page296).
Check TirePressure Then
Restart RunFlatIndic ator *C
anada only:
The tirepr essur eloss warning system gener ated adi spl aymessa geand hasnotbeen restar tedsinc e. #
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (/ page296).
Run FlatIndic atorInoper a-
tive *C
anada only:
The tirepr essur eloss warning system ismalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop. 37
8
Display messa gesand warning/ indic ator lam ps

ESP
®
(Electr onicStabil ityProg ram) ...... 156
Ac tivati ng/d eactiv ating ........... ............157
Fu nctio n/no tes ................................... 156
Ext erior light ing
see Ligh ts
Ext erior light ing(car e)............................ 265
Ext erior mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 119, 120
Anti-g lare mode (automatic) ................1 20
Au tomatic mirrorfo lding function ........ 122
Fo lding in/out ...................................... 119
Oper ating thememor yfunc tion ............ 99
Pa rking posit ion.............................. .....1 21
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 119 F
Fa tig ue detection
see ATTENTION ASSIST
Fi rs t-aid kit(sof tsi ded) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> ....270
Flat tire ................ .....................................2 70
Cha nging awhe el....... ......................... 313
MOExt ended tires ................................ 271
No tes ..................... .............................. 270
TIREFIT kit...........................................2 72 Flat
towing
see Tow- bar system
Floor mats................................................ 109
Fo ilco vering
Ra dar and ultrasonic sensors.............. 154
Fr ee sof tware ............................................ 35
Fr eq uencies
Mobile phone.................................. .... 322
Tw o-w ayradio ................................ ...... 322
Fr ont airbag (driver ,fr ont passeng er).....4 2
Fr ont passeng erseat
see Seat
Fu el ...........................................................3 27
Ad ditiv es........................................ .....3 27
E1 0 ............ ............. .......................... ...326
Fu elreser ve <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 327
Ga sol ine <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 326
Qua lity (gas oline )<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 326
Re fuel ing ............................................. 144
Sul fur cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 326
Ta nk cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .............327
Fu nction seat
see Door controlpanel Fu
ses ........................................................ 286
Bef orere placing afuse ........................ 286
Fu se assignment diagram...................2 86
Fu se boxin theengine compartmen t.. 287
Fu se boxin thefront -passen gerfo ot ‐
we ll...................................................... 287
Fu se boxin thetrunk ........................... 288
No tes .................................................. 286
Fu ses
see Fuses G
Gar agedoor opener
Clea ring thememor y........................... 150
Opening orclosing thedoor ................1 49
Pr ogr ammi ngbutt ons .......................... 147
Re solving problems ............................. 149
Sync hronizi ngthero lling code .............1 49
Gasol ine...................................................326
Gear shiftre comm endation .................... 142
Genuin epar ts............................................ 22
Genuin ewo od (Car e)...............................2 67
Glide mode ...............................................143 408
Index