run flat MERCEDES-BENZ GLC 2022 Owners Manual

%
Access oriescan beconnect edtotheper ma‐
nen tpo we rsupp lyup to180W and tothe
po we rsupp lythat isswit ched on via theigni‐
tion lock.
Un coup lingatrailer &
WARNIN GRisk ofbei ng crus hed and
beco ming trap ped whenunco upling a
tr ai le r
Whe nunco upling atrai le rwi th an eng aged
ine rtia-act ivat ed brak e, your han dma y
bec ome trapped between theve hicle andthe
tr ai le rdr aw bar . #
Donotuncouple trailer swit han
eng aged ove rrunbr ak e. *
NO
TEDama gewhen uncouplin gin a
st at eof ove rrun Unc
oupling inast at eof overru ncan dama ge
th eve hicle. #
Donotuncouple trailer swit han
eng aged ove rrunbr ak e. &
WARNIN GRisk ofbeco ming trap ped
whe ndisconnecti ngthetrailer cable
Ve hicl eswith leve lcontr olsystem: The
ve hicle maylo we rwhen thetra iler cable is
discon nected.
This could result inyouor other people
becoming trapped ifyo ur or their limbs are
be tween theve hicle body andthetir es or
under neathth eve hicle. #
Mak esur eth at nobody isunde rneat h
th eve hicle orintheimmediat evicinit y
of thewheel arch es when youdisc on‐
ne ct thetrailer cable. #
Disc onnect theelectr icalconnect ion
be tween theve hicle andthetra iler . #
Uncou ple th etra iler . #
Place theco veron theball neckmount . Ve
hicl eto wing instruct ions
The vehicle isno tsuit able forth euse oftow bar
sy stems that areused forflat towing ording hy to
wing, forex am ple. Attach ing and using tow bar
sy stems canlead todamag eon theve hicle.
When youar eto wing ave hicle withto w bar sys‐
te ms, safedr iving charact eristic scan notbe
guar anteed forth eto wing vehicle ortheto we d
ve hicle. Thevehicle-tr ailercombination may
sw erve from side toside. Complywithth eper‐
mitt edtowing methods (/page30 7) and the
ins truct ions forto wing withbo th axle son the
gr ou nd (/ page 308). 232
Driving andparking

Fi
rs t-aid kit(sof t-si ded) overview Fir
st-ai dkit (softsided) 1isin thecar gocom‐
par tmen tin thelef t-hand stor ag ene t. 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). 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)
(/ page29 7).
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 (/ page298).
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(/ page263).
R Allvehicl es:chang eth ewheel
(/ page339).
% The emer gency sparewheel isonl yav ailable
in cer tain coun tries. 296
Breakdo wnassis tance

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 Cont inuous ESP®
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 whichappear son 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. 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 orar ymeasur e. Br
eakdo wnassis tance 29
7

#
Swi tchon 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. If,
afte rte nminut es,atir epr essur eof
200 kPa(2.0 bar/29 psi)hasbeen attained: #
Switc hof fth etir einf lation compressor . #
Unscr ew thefilling hose from theva lve of the
fa ulty tire. &
WARNIN GRisk ofacci dent from drivi ng
wi th sealed tires
A tir ete mp orarily sealed withtir esealant
im pair sth ehandling charact eristic sand is
no tsuit able forhighe rspee ds. #
Adaptyo ur drivin gst yle accor dinglyand
dr ive car efull y. #
Donotexc eed themaximum speed
limit withatir eth at has been repair ed
using tiresealant. #
Obser vethemaximum permissible speedfor
a tir esealed withtir esealan t50 mph
(80 km/ h). 300
Breakdo wnassis tance

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 Incorrectl yse ttir epr ess ure
R Sud den press urelos scau sed,fo rex am ple,
by afo re ign obje ctpene trating thetir e
R Steady pressur eloss inseveraltir es
The system has are strict ed ordel ayed func tion
par ticular lyin thefo llo wing situat ions:
R Poor ground condit ions,e.g.snowor grave l
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 have ry hea vyorlarge trai le r R
Driving with ahigh 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(/ page31 6)
R Displ aymessa gesabout thetir es
(/ page402)
Re star ting thetir epr essur eloss warning
sy stem
Re quirement s:
R The recomme ndedtirepr ess ureis cor rectly
se tfo rth ere spectiv eoper ating status on
eac hof thefo ur wheel s(/ page31 6).
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 Run FlatIndic atorActive Restart :Press
Touch Controlmessag eis sho wninthemulti‐
func tion displa y. #
Toinit iateare star t,pr ess Touc hCon trol on
th elef 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.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page31 6) 32
2
Wh eelsan dtir es

shop.
Thenewwheel mustha ve the
cor rect dimensi ons. %
The eme rgency sparewheel isfastened in
th ecar gocom partmen tunder thecar go
com partmen tfloor .
Obser vethefo llo wing noteson installing an
emer gency sparewheel:
R Chec kth etir epr essur eof theemer gency
spa rewheel installed. Correct thepr essur e
as neces sary.
R The maximum permissible speedwithan
emer gency sparewheel installed is50 mph
(80 km/ h).
R Donotins tallth eemer gency sparewheel
wit hsn ow chains .
R Replace theemer gency sparewheel afte rsix
ye arsat thelat est,re ga rdless ofwe ar.
% Ve
hicl eswith atir epr ess urelos swa rn‐
ing system: Ifan emer gency sparewheel is
ins talled, thetir epr essur eloss warning sys‐
te m canno tfunction reliabl y.Onl yre star tth e sy
stem again when theemer gency spare
wheel hasbeen replaced withane wwheel.
Ve hicl eswith atir epr ess uremonit oring
sy stem: Ifan emer gency sparewheel is
ins talled, thetir epr essur emonit oring sys‐
te m canno tfunction reliabl y.Fo ra fe w
minut esafte ran emerg encysparewhee lis
ins talled, thesy stem mayst ill displa yth etir e
pr essur eof there mo vedwheel. Onlyre star t
th esy stem again when theemer gency spare
wheel hasbeen replaced withane wwheel.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page31 6)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page32 3)
R Tire pressur eta ble (/ page31 8)
R Noteson installing tires (/ page335 ) Inflating
theemer gency spar ewheel *
NO
TEOverhea ting dueto thetir einf la‐
tion compressor running toolong #
Donotru nth etir einf lation compressor
fo rlong erthan tenminu teswit hout
int erru ption. Re
quirement s:
Com plywit hth emanuf acturer'ssafetyno teson
th est icke rof theemer gency sparewheel andon
th etir einf lation compressor . #
Remo vethest icke rwit hth elabel 50mph
(80 km/ h)from thetir einf lation compressor
housing andaffix it to theins trument cluster
wit hin thedr iver's field ofvision. #
Remo vethetir einf lation compressor from
th estor ag espace underthetrunk floor
(/ page298). Wheels
andtires 34
5

Ti
re pres sur elo ss wa rning system Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
Check TirePressure Soon *C
anada only:
The tirepr essur eloss warning system has detected asig nifica ntlos sof press ure. &
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
R The tires can burst.
R The tires can wearexc essiv elyand/or unevenly.
R The driving charact eristic sas wellas thesteer ing and braking maybe greatl yim pair ed.
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(/ page31 6) andth etir es. #
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (/ page322).
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 (/ page322). 406
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Run FlatIndicat orInopera-
tive *C
anada only:
The tirepr essur eloss warning system ismalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop. Engine
oil Displa
ymessag es
Possible causes/conseq uencesand0050 0050
Solutions
00B3 Check Engine OilAtNext
Refueling *T
heengine oilleve lhas dropped totheminimum leve l.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Checkth eengine oilleve lwhen next refuel ing.
Ad dengin eoil (/ page28 4).
No teson engine oil(/ page35 4). Displa
ymessag esand warning/ indic ator lam ps 40
7