warning MERCEDES-BENZ CLS 2022 Service Manual

The
tirepr ess urelos swa rning system isonl yan
aid. Itis thedr iver's responsi bilityto setth etir e
pr essur eto there commen dedcold tirepr essur e
suit able forth eoper ating situation andtocheck
it.
Be sureto also obser vethefo llo wing further rela-
te dsubjects:
R Noteson tirepr essur e(/ page302)
R Displ aymessag esabout thetir es
(/ page390)
R R
est est
ar ar
ting t ting
the tir he
tirepr e
pr essur essur
eloss w e
loss war ar
ning syst ning
system em
R R
eq eq
uir uir
ements: ements:
R The recommen dedtirepr essur eis cor rectl y
se tfo rth ere specti veoper ating status onall
wheels.
Re star tth etir epr essur eloss warning system in
th efo llo wing situations:
R The tirepr essur ehas chang ed.
R The wheels ortires have been chang edor
ne wly installed. On-boar
dcom puter:
4 Service 5
Tires #
Swipe down wardson theTo uc hContr olon the
leT-h andside ofthesteer ing wheel.
The Tire Pressure ControlSystem Active
Restart messageis sho wninthedispla y. #
Tobegin restar t,pr es sth eTo uc hContr olon
th eleT-h andside ofthesteer ing wheel.
The Tire Pressure NowOK?messag eis sho wn
in thedispla y. #
Sele ctYes . #
Tocon/r mrestar t,pr es sth eTo uc hContr olon
th eleT-h andside ofthesteer ing wheel.
The Run FlatIndicator Restarted messageis
sho wninthedispla y.
ATe ryo uha ve driven fora few minut es,the
tir epr ess ureloss warning system monit ors
th ese ttir epr essur esofall thetir es.
Be sureto also payatt ent ion tothefo llo wing rela-
te dto pic:
R Noteson tirepr essur e(/ page302) Loadi
ngt Loadi
ngthe v he
vehicle ehicle
NNo o
t t
es on T es
on Tir ir
e and Loadi ngInf e
and Loadi ngInfor or
matio nplacar d matio
nplacar d &
W W
AR NIN G AR
NIN GRisk ofacciden tfr om overloa-
ded tires
Ov erloaded tires ma yove rheat and burstas a
conseq uence. Overloaded tires can also
im pair thesteer ing and handling charact eris-
tics and lead tobrak efa ilur e. #
Obser vetheload rating ofthetir es. #
The load rating must beatleast halfth e
per missible axleload oftheve hicle. #
Neverov erload thetir es by exceedin g
th emaximum load. The
Tire and Loadi ngInformatio nplacar dis on the
B-pi llaron thedr iver's side oftheve hicle. 308308
Wheel
sand tires

#
Ensur eth at thewheel boltsorwheel
nuts aretight ened tothepr escr ibed
tight ening torq ue . #
Ifyo uar eno tsur e,do notmo vetheve hi-
cle. Contact aqu ali/ed special istwo rk-
shop andhave thetight ening torq ue
ch eckedimmediat ely. #
Chec kth etir epr essur eof thene wly installed
wheel andadjust itifnecessar y.
% The follo wing does notappl yif th ene wwheel
is an emer gency sparewheel. #
V V
ehicle swit ehicle
swit htir h
tir epr e
pr essur essur
eloss w e
loss war ar
nin gsy nin
gsy s- s-
t t
em: em:
Restar tth etir epr essur eloss warning
sy stem (/ page308). #
V V
ehicles wit ehicles
withatir h
atir epr e
pr essur essur
emonit e
monit or or
ing sy ing
sys- s-
t t
em: em:
Restar tth etir epr essur emonit oring sys-
te m (/ page307). Emer
g Emer
gency spar ency
sparewheel e
wheel NNo o
t t
es on t es
on the emer g he
emer gency spar ency
sparewheel e
wheel &
W W
ARNIN G ARNIN
GRisk ofaccident causedby
incor rect wheel andtiredimen sions
The wheel ortiresizes andthetir etype ofthe
emer gency sparewheel orspar ewheel and
th ewheel tobe replaced maydi.er .The emer -
ge ncy sparewheel orspar ewheel cansigni/-
cantl yim pair drivi ng charact eristics ofthe
ve hicle.
To prev ent hazar dous situations: #
Drive car efull y. #
Neverinst allmor eth an one emer gency
spa rewheel orspar ewheel that di.er s
in size . #
Onlyuse anemer gency sparewheel or
spar ewheel brie0y . #
Donotdeacti vate ESP ®
. #
Have theemer gency sparewheel or
spar ewheel ofadi.er entsize replaced
at thenear estquali/ed special istwo rk- shop.
Thenewwheel mustha ve thecor -
re ct dimen sions. %
The emer gency sparewheel issecur edinthe
emer gency sparewheel baginthetrunk .
Obser vethefo llo wing noteson installing anemer -
ge ncy sparewheel:
R The maximum permissibl espeed withan
emer gency sparewheel installed is50 mph
(80 km/h ).
R Donoteq uip theemer gency sparewheel with
sno wch ains.
R Replace theemer gency sparewheel aTersix
ye arsat thelat est, rega rdless ofwe ar.
R Chec kth etir epr essur eof theemer gency
spa rewheel installed. Correct thepr essur eas
necessar y.
% The speci/ed tirepr ess ureis stat ed on the
label oftheemer gency sparewheel. 330330
Wheels
andtires

%
V V
ehicles wit ehicles
withatir h
atir epr e
pr essur essur
eloss w e
loss war ar
ning sy ning
sys- s-
t t
em: em:
Ifan emer gency sparewheel isinst alled,
th etir epr essur eloss warning system canno t
function reliabl y.Onl yre star tth esy stem
ag ain when theemer gency sparewheel has
been replaced withane wwheel.
V V
ehicles wit ehicles
withatir h
atir epr e
pr essur essur
emonit e
monit or or
ing sy ing
sys- s-
t t
em: em:
Ifan emer gency sparewheel isinst alled,
th etir epr essur emonit oring system canno t
function reliabl y.Fo ra few minut esaTer an
emer gency sparewheel isins talled, thesy s-
te m ma yst ill displa yth etir epr essur eof the
re mo vedwheel. Onlyre star tth esy stem again
when theemer gency sparewheel hasbeen
re placed withane wwheel.
Be sureto also obser vethefo llo wing further rela-
te dsubjects:
R Noteson tirepr essur e(/ page302)
R Tire and Loadi ngInformatio nplacar d
(/ page308)
R Tire pressur eta ble (/ page304)
R Noteson installing tires (/ page320)
R Inst alling anemer gency sparewheel
(/ page324) Wheels
andtires
331 331

*
N N
O O
TE TE
Dam ageto theex terior lightin gdue
to unsuit ablewindshield washer 0uid Un
suit able windshield washer 0uidmaydam-
ag eth eplastic surface oftheex terior lightin g. #
Onlyuse windshield washer 0uidwhichis
also suitable foruse onplastic surfaces,
e.g .MB Sum merF itor MB WinterF it. *
N NO O
TE TE
Bloc kedspr aynozzles cause dby
mixing windshield washer 0uids #
Donotmix MBSummerF itand MBWin-
te rF itwit hot her wind shield washer 0u-
ids. Do
notuse distilled orde-i onized water. Ot her -
wise, the/ll leve lsensor maybe trigg ered erro ne-
ous ly.
Re commen dedwindshi eldwasher 0uid:
R Above freez ing point :e.g. MBSum merFit
R Below freez ing point :e.g. MBWinterF it
Fo rth ecor rect mixin gra tio, referto theinf orma-
tion ontheantifr eeze container . Mix
washer 0uidwithwind shield washer 0uidall
ye ar round. RR
efr efr
ig ig
er er
ant ant
NNo o
t t
es on r es
on refr efr
ig ig
er er
ant ant
Obser vetheno teson oper ating0uids
(/ page336) .
* NO NO
TE TE
Damag edue toincor rect refrig er ant If
anon- appro vedre frig er ant isus ed ,th ecli-
mat econtr olsystem maybe damag ed. #
US US
A: A:
use onlyR‑134a refrig er ant . #
Canad a: Ca
nad a:useonl yR‑12 34yfre frig er ant . *
N NO O
TE TE
Dama getotheclimat econtr olsys-
te m due toincor rect refrig er ant comp res-
sor oil #
Onlyuse refrig er ant comp ressor oilthat
has been approvedby Mer cedes-Be nz. #
Donotmix theappr ovedre frig er ant
co mp ressor oilwithadi.er entrefrig er -
ant comp ressor oil. Wo
rkon theclimat econtr olsystem maybe car -
ri ed out onlyby aqu ali/ed special istwo rkshop.
All applic ableregula tions ,as wellas SAEstandar d
J639, mustbeadher edto.
The informa tion labelforth eclimat econtr olsys-
te m rega rding there frig er ant type and there frig-
er ant comp ressor oil(PAG oil) islocat edon the
inside ofthehood. Inf
ormation label(exa mp le–US A/China)
1 Hazar dand service warning symbo ls
2 Refrig er ant /llin gca pa city
3 Applicab lestand ards
4 PAGoil par tnumber 342342
Te
ch nica ldat a

5
GWP(gl oba lwa rming potential )of there frig er -
ant used
6 Refrig er ant type Inf
orma tionlabe l(e xa mp le–Canada)
1 Hazar dand service warning symbo ls
2 Refrig er ant /llin gca pa city
3 Applicab lestand ards
4 PAGoil par tnumber
5 GWP(gl oba lwa rming potential )of there frig er -
ant used
6 Refrig er ant type Sym
bols1 indicat eth efo llo wing:
R Possible dangers
R The needto have ser vice workcar ried out ata
qu ali/ed special istwo rkshop only
F F
illi ng capacit yf illi
ng capacit yfor r or
ref r ef
rig ig
er er
ant and PA ant
and PAGoil G
oil
Capacity Capacity
Model
R Model
Refr efr
ig ig
er er
ant ant
All models 20.8±0.4 oz
(590 ±10 g) Model
PA Mode
lP AG oil G
oil
All models 4.9±0.4 oz
(140 ±10 g) VV
ehicle data ehicle
data VV
ehicle dimensio ns ehicle
dimensio ns The
heights speci/ed mayva ry as are sult ofthe
fo llo wing fact or s:
R Tire s
R Load R
Condition ofthesuspension
R Optional equipment Missing
values werenotav ailabl eat thetime of
going topress. Te
ch nica ldat a
343 343

DisplaDispla
ymessag y
messag es es
IntrIntr
oduction oduction
NNo o
t t
es about displa es
about displaymessag y
messag es es
Displa ymessag esappear ontheinst rument dis-
pla y.
Displa ymessag eswithgr aphic symbols aresim-
pli/ed intheOper ator's Manual andmaydi.er
fr om thesymbols ontheinst rument displa y.The
instr umentdis pla ysh ow shigh- prior ity displa y
messag esinred. Cer tain displa ymessa gesar e
accom paniedbyawa rning tone.
Plea seactin accor danc ewit hth edispla ymes-
sag esand follo wtheadditional notesin theOper -
at or's Manual.
Fo rsome displaymessag es,symbols willalso be
sho wn:
R Õ Further informatio n
R 00A4 Hidedispl aymessag e
Wi th theleT-h andTouc hContr ol,youcan select
th ere specti vesymbol byswipin gto theleT or
ri ght. Press ing Õ displa ysfur ther information onth
emedia display.Press the00A4 symbol tohide
th edispla ymessag e.
Yo ucan hide low- prior ity displa ymessag esby
pr essing thebac kbutt onG ortheleT-h and
To uc hContr ol.The displa ymessa geswill then be
st or ed inthemessag ememor y.
Re ctif yth ecause ofadispla ymessag eas quickl y
as possible.
High-pr iority displa ymessa gescann otbe hidden.
The instrument displaywill showthese displa y
messag esper manentl yuntil thecause ofthedis-
pla ymessag ehas been recti/ed.
Callin gup sav Callin
gup saved displa ed
displa ymessag y
messag es es
On- boar dcom puter:
4 Service5
1Mes sage
If th er ear eno displa ymessag es,No Messag es
will appear ontheinst rument displa y. #
Scroll thro ugh thedispla ymessag esby swip-
ing upw ards ordown wardson theleT-h and
To uc hContr ol. #
T T
o e o
exit t xit
the messa g he
messa ge memor y e
memor y: :
pr ess thebac k
butt onG. Displa
ymessag esand warning/in dicatorlam ps
345 345

Occupant
safe Occupant
safety ty
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
0075
SRS Malfunction Service
Req uired *T
herestr aint system isma lfunc tion ing (/ page 34). &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomalfun ctionsinthere str aint system
Co mp onent sin there str aint system maybe acti vatedunint ention allyor notdeplo yas planned inan accident. #
Have there str aint system checkedand repair edimmediat elyat aqu ali/ed special istwo rkshop. 0075
Front LeftMalfunction
Servi ceRequire d(exa mp le) *T
hecor respond ingrestr aint system isma lfunc tion ing (/ page 34). &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomalfun ctionsinthere str aint system
Co mp onent sin there str aint system maybe acti vatedunint ention allyor notdeplo yas planned inan accident. #
Have there str aint system checkedand repair edimmediat elyat aqu ali/ed special istwo rkshop. 0075
Left SideCu rtai nAirb ag
Ma lfunction Service
Re quire d(exa mp le) *T
hecor respond ingrestr aint system isma lfunc tion ing (/ page 34). &
W W
ARNIN G ARNIN
GRisk ofinjur yor fata linjur ydue toamalf unct ioninthewindo wcur tain airbag
The windo wcur tain airbag mightbetrigg ered unint entionall yor might notbe trigg ered atall intheev ent ofan
accident. #
Have thewindo wcur tain airbag checkedand repair edimmediat elyat aqu ali/ed special istwo rkshop. 346346
Displ
aymessag esand warning/in dicatorlam ps

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
Front PassengerAirbag Dis-
abl ed See Opera tor'sMan-
ual *T
hefront passen gerairbag andthefront passeng erknee airbag have been disabled even though anadult oraper son
of adult statur eis on thefront passeng erseat. Ifadditional forc es areapplied totheseat, thewe ight thesy stem
de tects maybe toolow. &
W W
ARNI NG ARNI
NGRisk ofinjur yor fata linjur ydue toadisabl edfront passen gerairbag
If th efront passeng erairbag isdisabled, thefront passeng erairbag willnotbe deplo yedin theeve ntofan accid ent
and canno tper form itsintended protectiv efunction .
A per son inthefront passeng erseat could then, forex am ple, come intocont actwithth eve hicle' sint erior ,espe-
ciall yif th eper son issitting tooclose tothecoc kpit. #
Mak esur e,bo th bef oreand during thejour ney,that thestatus ofthefront passeng erairbag iscor rect. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. #
Mak esur eth at no objects aretrapped underthefront passeng erseat. #
Chec kth estatus ofaut omatic front passeng erairbag actuation (/page43). #
Ifnecessar y,consul ta qu ali/ed special istwo rkshop immed iately.
Front Passeng erAirb ag
Enabl edSee Operator 's
Manu al *T
hefront passen gerairbag andthefront passeng erknee airbag willbeenabled whiletheve hicle isin mo tionin the
fo llo wing situations:
R Even when ach ild, asmall adultoran object weighing lessthan thesy stem weight thre shold islocat edon thefront
passeng erseat
R Even when thefront passeng erseat isno toccupied Displa
ymessag esand warning/in dicatorlam ps
347 347

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
The system mayde tect obje ctsorforc es that areaddin gto thewe ight applied totheseat. &
W W
ARNIN G ARNIN
GRisk ofinjur yor deat hwhen usingach ild restr aint system while th efront passeng erairbag isena-
bled
If yo usecur each ild inach ild restr aint system onthefront passeng erseat andthefront passeng erairbag isena-
bled, thefront passeng erairbag candeplo yin theev ent ofan accident.
The child could bestruckby theairbag. #
Ensur e,bo th bef oreand during thejour ney,that thestatus ofthefront passeng erairbag iscor rect.
NEVER useare ar wa rdfacing child restr aint on ase at pro tected byan ACTIV EAIRBA Gin front ofit,DEA THor
SERIO USINJUR Yto theCHILD canoccur . #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. #
Mak esur eth at no objects aretrapped underthefront passeng erseat. #
Chec kth estatus ofaut omatic front passeng erairbag actuation (/page43). #
Ifnecessar y,consul ta qu ali/ed special istwo rkshop immed iately.
PRE-S AFEInoperat iveSee
Operator's Manual *
The PRE‑S AFE®
functions aremalfuncti oning. #
Consult aqu ali/ ed spec ial ist wo rkshop. 348348
Displ
aymessag esand warning/in dicatorlam ps

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
PRE-SAFE ImpulseSide
Inoperative SeeOpera tor's
Manua l *
The PRE‑S AFE®
Im pulse Sidesystem ismalfunction ingorinoper ativeaTer having already been trigg ered. #
Consult aqua li/ed specialist workshop. SmarSmar
tKey tK
ey DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
Á
Obtain aNew Key *H
aveth eSmar tKey replaced. #
Consult aqua li/ed specialist workshop.
Á
Re place Key Batte ry *T
heSmar tKey batt eryis disc harged. #
Replace thebatt ery(/ page63). Displa
ymessag esand warning/in dicatorlam ps
349 349