2019 MERCEDES-BENZ CLA COUPE warning lights

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0075
SRS SRS
Malfunction Mal
functionSer ‐ Ser
‐
vic eReq uir ed vic
eReq uir ed The
restrain tsyst emismalf unction ing .The 0075 warninglamp also
ligh tsup intheins trumen tclus ter.
G WAR
NING
The airbags orEm erg ency Ten sion ingDevic esmay either betrigge red
uni nten tion ally or,intheeve ntofan acc iden t,may notbe trigge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely.
Fur ther inform ation about theres train tsyst em(Ypage 40). 0075
Fro ntLeftMal func‐ Fro
ntLeftMal func‐
tio nSer vice tio
nSer vice
Req uired Req
uired orFront Fro
nt
Rig htMalfunction Rig
htMalfunction
Ser viceReq uired Ser
viceReq uired The
restrain tsyst emismalf unction ing atthefron ton thelef tor right.
The 0075 warninglamp alsolightsup intheins trumen tclus ter.
G WAR
NING
The airbags orEm erg ency Ten sion ingDevic esmay either betrigge red
uni nten tion ally or,intheeve ntofan acc iden t,may notbe trigge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely. 0075
Rea rLef tMal fun c‐ Rea
rLef tMal fun c‐
tio nSer vice tio
nSer vice
Req uired Req
uiredorRea r Rea
r
Rig htMalfunction Rig
htMalfunction
Ser viceReq uired Ser
viceReq uired The
rear left-han dor right-hand restrain tsyst emismalf unction ing .
The 0075 warninglamp alsolightsup intheins trumen tclus ter.
G WAR
NING
The airbags orEm erg ency Ten sion ingDevic esmay either betrigge red
uni nten tion ally or,intheeve ntofan acc iden t,may notbe trigge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely. 0075
Lef tSid eCur tai n Lef
tSid eCur tai n
Air bag Malfuncti on Air
bag Malfuncti on
Ser viceReq uir ed Ser
viceReq uir edor
Rig htSideCur tain Rig
htSideCur tain
Air bag Malfunction Air
bag Malfunction
Ser viceReq uired Ser
viceReq uired The
left-han dor right-hand window curtainair bag ismalf unction ing .
The 0075 warninglamp alsolightsup intheins trumen tclus ter.
G WAR
NING
The leftor right win dow curtainair bag may either betrigge redunin-
te nt ion ally or,intheeve ntofan acc iden t,may notbe trigge red.
The reisan increas edriskof injury.
X Vis itaqualif iedspecialistwor kshop immediat ely. Disp
laymes sage s
201On -boar dcomp uter anddi sp lay s Z

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 0025
0051
The yellow ABS warning lamp islit whi lethe engine isrunning.
ABS (Anti-lock BrakingSystem) isdea ctivated duetoamalfu nction. Therefore,
BAS (Brake Assist), ActiveBrakeAssist, ESP®
(Electronic StabilityProgra m),the
HOLD function andhillstart assist,for exampl e,are alsodea ctivated.
ATTENTION ASSISTisdea ctivated.
G WARNING
The brake system continues tofunction normally,but witho utthe functions listed
abo ve.The whee lscoul dtherefore lockifyou brake hard,for exampl e.
The steerab ility and braki ngchara cteristics maybesevere lyaffected. Thebraki ng
dista nceinan emerge ncybraki ngsitua tioncanincreas e.
If ESP ®
is not opera tional,ESP ®
is unab leto stabi lizethevehicl e.
There isan increas edrisk ofskiddi ngand anaccide nt.
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Drive oncarefu lly.
X Visi ta qua lified speci alist worksho pimmed iately.
If the ABS control unitisdefective ,there isals oapossi bility that other systems ,
such asthe naviga tionsystem orthe automatic transmissi on,willnot beava ilable . 0025
0051
The yellow ABS warning lamp islit whi lethe engine isrunning.
ABS istempora rilyunava ilable .There fore,BAS, Active BrakeAssist, ESP®
,EBD
(el ectronic brakeforcedistributio n),the HOLD function andhillstart assist,for
exampl e,are alsodea ctivated.
Possi blecaus esare:
R self-di agnosi sis not yetcomple te
R the on-board voltagemay beinsuffi cient
ATTENTION ASSISTisdea ctivated.
G WARNING
The brake system continues tofunction normally,but witho utthe functions listed
abo ve.The front andrear whee lscoul dtherefore lockifyou brake hard,for exam-
ple .
The steerab ility and braki ngchara cteristics maybesevere lyaffected. Thebraki ng
dista nceinan emerge ncybraki ngsitua tioncanincreas e.
If ESP ®
is not opera tional,ESP ®
is unab leto stabi lizethevehicl e.
There isarisk ofan accide nt.
X Ca reful lydrive asui table distance,making slightsteering movements ataspee d
abo ve12 mph (20km/h) .
The functions mentioned aboveare available aga inwhen thewarni nglamp goes
out.
If the warning lamp isstill on:
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Drive oncarefu lly.
X Visi ta qua lified speci alist worksho pimmed iately. 222
Warning
andindic atorlamps inthe instrum entclusterOn-bo ardcomput erand displays

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 00E500BB
0051
The yellow ESP ®
and ESP®
OFF warni nglamp sare litwhi lethe engine isrunning.
ESP ®
,BAS, Active BrakeAssist, theHOLD function andhillstart assistare not
ava ilable due toamalfu nction.
ATTENTION ASSISTisdea ctivated.
G WARNING
The brake system continues tofunction normally,but witho utthe functions listed
abo ve.
The braki ngdista nceinan emerge ncybraki ngsitua tioncanthus increas e.
If ESP ®
is not opera tional,ESP ®
is unab leto stabi lizethevehicl e.
There isan increas edrisk ofskiddi ngand anaccide nt.
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Drive oncarefu lly.
X Visi ta qua lified speci alist worksho pimmed iately. 00E500BB
0051
The yellow ESP ®
and ESP®
OFF warni nglamp sare litwhi lethe engine isrunning.
ESP ®
,BAS, theHOLD function andhillstart assistare tempora rilyunava ilable .
Active BrakeAssist mayhave alsofail ed.
ATTENTION ASSISTisdea ctivated.
Self-di agnosi sis not yetcomple te
G WARNING
The brake system continues tofunction normally,but witho utthe functions listed
abo ve.
The braki ngdista nceinan emerge ncybraki ngsitua tioncanthus increas e.
If ESP ®
is not opera tional,ESP ®
is unab leto stabi lizethevehicl e.
There isan increas edrisk ofskiddi ngand anaccide nt.
X Ca reful lydrive asui table distance,making slightsteering movements ataspee d
abo ve12 mph (20km/h) .
The functions mentioned aboveare available aga inwhen thewarni nglamp goes
out.
If the warning lamp isstill on:
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Drive oncarefu lly.
X Visi ta qua lified speci alist worksho pimmed iately. Warning
andindic atorlamps inthe instrum entcluster
225On-boardcomput erand displays Z

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 00240049
0051
0049 (USAonly),0024 (Canada only):the red indica torlamp forthe electric
parki ngbrake flashes orlights upand/or theyellow warni nglamp forthe electric
parki ngbrake lights up.
X Observe theadditiona ldisp laymessa gesinthe multi function display. 0075
0051
The redrestrai ntsystem warning lamp islit whi lethe engine isrunning.
The restrai ntsystem ismalfu nctioning.
G WARNING
The airbag sor Emergency TensioningDevices mayeither betriggere duninten-
tional lyor, inthe event ofan accide nt,may notbetriggere d.
There isan increas edrisk ofinjury .
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Drive oncarefu lly.
X Contact aqua lified speci alist worksho pand have therestrai ntsystem checked.
For further informati onabo utthe restrai ntsystem, see(Ypag e40) . Eng
ine Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 00B9
0051
The yellow CheckEngine warning lamp lights upwhi lethe engine isrunning.
There maybeamalfu nction, forexampl e:
R in the engine management
R in the fuel injection system
R in the exhau stsystem
R in the ignitio nsystem
R in the fuel system
The emiss ionlimitvalu esmay beexceede dand theengine maybeinemerge ncy
mode.
X Visi ta qua lified speci alist worksho pimmed iately.
i In
some states, youmust immed iatelyvisit aqua lified speci alist worksho pas
soon asthe yellow CheckEngine warning lamp lights up. This isdue tothe lega l
requ ireme ntsineffect inthese states. Ifin dou bt,check whethe rsuch legal
regu lations applyin the state inwhi chyou arecurrently driving. 00D4
0051
The yellow reserve fuelwarning lamp lights upwhi lethe engine isrunning.
The fuel levelhas dropp edinto thereserve range.
X Refu elat the neares tgas station. 226
Warning
andindic atorlamps inthe instrum entclusterOn-bo ardcomput erand displays

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 00D4
0051
The yellow reserve fuelwarning lamp flashes whilethe vehicl eis in motion.
In add ition, the00B9 CheckEngine warninglamp maylight up.
The fuel filler cap isnot closed correctly orthe fuel system islea king.
X Che ckthat thefuel filler cap iscorrectly closed.
X Ifthe fuel filler cap isnot correc tlyclosed: close thefuel filler cap.
X Ifthe fuel filler cap isclo sed: visitaqua lified speci alist worksho p. 00AC
0051
The redcoola ntwar ning lamp lights upwhi lethe engine isrunning andthe
coola nttempera turegage isat the start ofthe scale .
The tempera turesensor forthe coola nttempera turegaugeismalfu nctioning.
The coola nttempera tureisno longer being monitored .There isarisk ofengine
dama geifthe coola nttempera tureistoo high .
X Pul lover andstop thevehicl esafel yand switch offthe engine, paying attention
to road andtraffic conditions. Donot continue drivingunder anycircumsta nces.
X Secure thevehicl eaga inst rolling awa y(Y pag e142) .
X Consu ltaqua lified speci alist worksho p. Warning
andindic atorlamps inthe instrum entcluster
227On-boardcomput erand displays Z

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions X
At coola nttempera turesbelow 248 ‡(120 †),drive tothe neares tqua lified
speci alist worksho p.
X Avoid heavyloa dson the engine asyou doso, e.g. drivi nginmountai nousterrain
and stop-and-go traffic. Drivi
ngsystems Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 00BA
0051
The reddista ncewarning lamp lights upwhi lethe vehicl eis in motion. Awarni ng
tone alsosound s.
You areapproachi ngavehicl eor astationa ryobstacl ein you rline oftravel attoo
high aspee d.
X Be prepa redtobrake immed iately.
X Pay carefu lattention tothe traffic situation. Youmay have tobrake ortake
evasi veaction.
Further informati onon the dista ncewarni ngfunction ofActive BrakeAssist
(Y pag e62). Warning
andindic atorlamps inthe instrum entcluster
229On-boardcomput erand displays Z

Gene
ralnotes
The multime diasystem section inthis Opera -
tor's Manua ldescrib esthe basi cprincipl esfor
opera tion.More information canbefound inthe
Digital Operator'sManua l. Important
safetynotes G
WARNING
If you opera teinformation systemsandcom-
municatio nequ ipment integrated inthe vehi-
cle when driving, youmay bedistracted from
the traffic situation. Youcould alsolose con-
trol ofthe vehicle .There isarisk ofan acci-
dent.
Only opera tethis equipment whenthetraffic
situa tionpermits. Ifyou arenot sure thatthis
is possi ble,park thevehicle paying attention
to traffic conditions andopera tethe equip-
ment when thevehicle isstationary .
You must observe thelega lrequ irements forthe
country inwhich youarecurrently drivingwhen
opera tingthemultime diasystem.
The multime diasystem calculates theroute to
the destinati onwithou ttaking thefollo wing into
account, forexampl e:
R traffic lights
R stop andyieldsigns
R parking orstopping restrictions
R road narrowi ng
R other roadandtraffic rulesand regul ations
The multime diasystem maygiveincorrect nav-
iga tion recommendati onsifthe actual street/
traffic situationdoes notcorrespond withthe
digi talmap's data.
For exampl e:
R adiverted route
R the road layout orthe direction ofaone-way
street hasbeen changed
For this reaso n,you must alwaysobserve road
and traffic rulesand regul ations duringyou r
journey. Roadand traffic rulesand regul ations
alw ayshave priorityover multime diasystem
driving recommendati ons. Navig
ation announcements areintended to
direct youwhiledriving withoutdiverting your
attention fromtheroad anddriving.
Plea sealw aysuse this feature instead ofcon-
sul ting themap displayfordirections. Looking
at the icons ormap displaycan distract youfrom
traffic conditions anddriving, andincrease the
risk ofan accide nt.
This equipment complieswith FCCradiation
exposu relimi tsset forth foruncontrolled equip-
ment andmeets theFCC radiofreque ncy(RF)
Exposure Guideli nes inSuppl ement Cto OET65.
This equipment hasvery lowlevel sof RF energy
that isdeeme dto comply withoutmaximu m
permis siveexposu reeval uation(MPE). How-
ever, itis recommended toinstall itat adistance
of at lea st8inches (approx. 20cm) betwee nthe
radi ation source andaperson's body(not
includ inglimb ssuch ashands, wrists,feetand
legs) . G
WARNING
Modi fications toelectronic components, their
software aswel las wiri ngcan impa irtheir
function and/orthefunction ofother net-
worked components. Inparticu lar,systems
releva ntto safety couldalsobeaffected. Asa
resul t,these maynolonger function asinten-
ded and/or jeopardizethe opera tingsafety of
the vehicle .There isan increase drisk ofan
accide ntand injury.
Never tamper withthewiringaswel las elec-
tronic components ortheir software .You
shoul dhave allwork toelectrica land elec-
tronic equipment carried outataqua lified
specia listworkshop . Func
tionrestrictio ns
For safety reasons,some functions arerestric-
ted orunava ilable whil ethe vehicle isin motion.
You willnotice this,forexampl e,becau seeither
you willnot beabl eto sele ctcertain menuitems
or amessag ewil lapp ear tothis effect. Func
tionrestrictio ns
231Multimedia system Z

Information
ontire pressu resisdispl ayedin the
multifu nctiondisplay.After afew minutes of
driving, thecurrent tirepressu reofeach tireis
shown inthe Serv. Serv.
menuofthe multifu nction
displ ay,see illustration (example). For
information onthe message display,refer to
the "Checking thetire pressu reelectronical ly"
section (Ypage 299).
Important safetynotes G
WARNING
Each tire,includi ngthe spare (ifprovide d),
shoul dbe checked atlea stonce every two
weeks whencoldandinflated tothe pressu re
recommended bythe vehicle manufacture r
on the Tire andLoadi ngInformation placard
on the driver's doorB-pilla ror the tire pres-
sure labelon the inside ofthe fuel fillerflap. If
you rvehicle hastires ofadifferent sizethan
the size indicated onthe Tire andLoadi ng
Information placard or,ifavai lable,the tire
pressu relab el,you shoul ddetermine the
proper tirepressu refor those tires.
As anadde dsafety feature, yourvehicle has
been equipped withatire pressu remonitoring
system (TPMS)thatilluminates alow tirepres-
sure telltal ewhen oneormore ofyou rtires
are significa ntlyunderinfla ted.Accordingly,
when thelow tirepressu retelltal elights up,
you shoul dstop andcheck yourtires assoon
as possib le,and inflate themtothe proper
pressu re.Driving onasignifica ntlyunderin-
flated tirecause sthe tire tooverhea tand can
lea dto tire failure.
Underinfla tionalso reduces fuelefficiency
and tiretread life,and may affect thevehicle 's
handli ngand stopping ability. Plea senote that
the TPMS isnot asubstitu tefor proper tire
maintenance, anditis the driver's responsi-
bili tyto maintain correcttirepressu re,even if underinfla
tionhasnotreached thelevel to
trigger illuminatio nof the TPMS lowtirepres-
sure telltal e.
Your vehicle hasalso been equipped witha
TPMS malfunction indicator toindicate when
the system isnot opera tingproperl y.The
TPMS malfunction indicator iscombined with
the low tirepressu retelltal e.When thesys-
tem detects amalfu nction, thewarning lamp
wil lflash forappro ximately aminute andthen
remain continuously illuminated .This
sequ ence willbe repea tedevery timethevehi-
cle isstarted aslong asthe malfu nction
exists. Whenthemalfu nction indicator isillu-
minated, thesystem maynotbeabl eto detect
or signal lowtirepressu reas intended.
TPMS malfunctions mayoccur foravariety of
reasons, includingthe installa tionofincom-
patibl erepla cement oralternate tiresor
wheel son the vehicle thatprevent theTPMS
from functioning properly.Alway scheck the
TPMS malfunction telltaleafter replacingone
or more tiresorwheel son you rvehicle to
ensure thattherepla cement oralternate Tires
and wheel sall ow the TPMS tocontinue to
function properly.
It is the driver's responsib ility to set the tire
pressu reto that recommended forcold tires
which issuita bleforthe opera tingsitua tion
(Y page 293). Notethatthecorrect tirepressu re
for the current operatingsitua tionmust firstbe
taught-in tothe tire pressu remonitor. Ifasub-
stantial lossofpressu reoccurs, thewarning
threshold forthe warning messageis ali gned to
the taught-in reference values.Restart thetire
pressu remonitor afteradjusting thepressu reof
the cold tires (Ypage 300). Thecurrent pres-
sures aresaved asnew reference values.Asa
resul t,awarning messagewil lappe arifthe tire
pressu redrops significa ntly.
The tirepressu remonitor doesnotwarn youof
an incorrectly settire pressu re.Observe the
notes onthe recommended tirepressu re
(Y page 293).
The tirepressu remonitor isnot ableto warn you
of asudd enloss ofpressu re,e.g. ifthe tire is
penetrated byaforeign object.Inthe event ofa
sudd enloss ofpressu re,bring thevehicle toa 298
Tire
pressureWheel sand tires