2019 MERCEDES-BENZ C-CLASS CABRIOLET Owner's Manual

Ti
re s Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Check TirePressure Soon *C
anada only:
The tirepr essur eloss warning system has detected asig nifica ntlos sin press ure. 000A
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
Ti re pressur esthat areto olow pose thefo llo wing hazar ds:
R The tires ma ybur st,especiall yas theload andvehicle speed increase.
R The tires ma ywe arexc essiv elyand/or unevenly, whic hma ygr eatl yim pair tiretract ion.
R The drivin gch aract eristic s,as wellas steer ing and braking, maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. 0007
Obser vethere comme ndedtirepr ess ure. 0007
Adjus tth etir epr essur eif neces sary. 0007
Stop theve hicle, paying attention toroad and traffic condi tions. 0007
Checkth etir epr essur e(0013 page380) andthetir es. 0007
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (0013 page386). Displa
ymessag esand warning/ indic ator lam ps 455

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0077 Warning TireMalfunct ion *T
hetirepr essur ein one ormor etir es has dropped suddenly .The wheel position isdispla yed. 000A
WARNIN GRisk ofan acci dent from drivi ng with aflat tire
Flat tires aredang erous inthefo llo wing ways:
R The tires can overheat and cause afire .
R The driving charact eristic s,as wellas steer ing and braking, maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. 0007
Donotdr ive wit haflat tire. 0007
Obse rveth eno teson flat tires. No
teson flat tires (0013 page35 8). 0007
Stop theve hicle, paying attention toroad and traffic condi tions. 0007
Checkth etir es.
0077 Check Tires *T
hetirepr essur ein one ormor etir es has dropped significantl y.The wheel position isdispla yed. 000A
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
Ti re pressur esthat areto olow pose thefo llo wing hazar ds:
R The tires ma ybur st,especiall yas theload andvehicle speed increase. 456
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
R The tires ma ywe arexcess ively and /or unevenly ,wh ich ma ygr ea tly impai rtir etracti on.
R The drivi ng charact eristic s,as wellas steer ing and braking, maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. 0007
Obser vethere comme ndedtirepr ess ure. 0007
Adjus tth etir epr essur eif neces sary. 0007
Stop theve hicle, paying attention toroad and traffic condi tions. 0007
Checkth etir epr essur e(0013 page380) andthetir es.
0077 Please Correct TirePres-
sure *T
hetirepr essur eis toolow in at leas tone ofthetir es, orthetir epr essur edif fere nce betwee nth ewheels istoo
gr ea t. 0007
Chec kth etir epr essur eand add air,if neces sary. 0007
When thetir epr essur eis cor rect, restar tth etir epr essur emonit oring system (0013 page385).
0077
Tire Press. MonitorCur-
rent lyUnavailable *T
her eis int erfere nce from apo we rful radio signal source.Asare sult, nosignals from thetir epr essur esensor are
re cei ved. The tirepr essur emonit oring system istemp orarily una vailable. 0007
Drive on.
The tirepr essur emon itor ing system restar ts aut omat icallyas soon asthecause hasbeen rectif ied. Disp
lay mess ages and warning/ indic ator lam ps 45
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0077 Wheel Sensor(s) Missing *T
hetirepr essur esensor signalismissing from one ormor etir e(s). Thepressur eof theaf fect ed tireis no tdi s‐
pl ay ed. 0007
Have thedef ective tir epr essur esensor replaced ataqu alif ied spec ialistwo rkshop.
0077
Tire Pressure MonitorInop-
erative NoWheel Sensors *T
hewheels installed donotha ve suit able tirepr essur esensor s.The tirepr essur emonit oring system isdeactiv ated. 0007
Installwheels withsuit able tirepr essur esen sors.
0077 Tire Press .Mon itorInopera-
tiv e *T
hetirepr essur emonit oring system isdef ective. 000A
WARNIN GThe reisarisk ofan accident ifth etir epr essur emonit oring system ismalfunct ioning
If th etir epr essur emonit oring system ismalfunct ioning,itis no table toissue awa rning ifth er eis pressur eloss
in one ormor eof thetir es.
Und erinf lated tires ma y,forex am ple, impair thedr iving, steer ing and braking charact eristic s. 0007
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. 0007
Visit aqu alif ied spec ialistwo rkshop.
Tires Overheated *A
tle as tone tireisov erheating. Theaffect ed tires aredispl ayed inred. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. 458
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions 0007
Drive mor eslo wly.
Decre aseSpe ed *A
tle as tone tireisov erheating. Theaffect ed tires aredispl ayed inred. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. 000A
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires ma ybur st,par ticular lyat high speeds. 0007
Reduce speed sothat thetir es cool down. 0007
Reduce speed sothat thetir es cool down.
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. 0007
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (0013 page386).
Run FlatIndic atorInoper a-
tive *C
anada only:
The tirepr essur eloss warning system ismalfunct ioning. 0007
Visit aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 459

Smar
tKey Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00AF Key NotDetected (red dis‐
pla ymessag e) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trally lockth eve hicle. 0007
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: 0007
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions. 0007
PlacetheSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (0013 page12 9).
00AF Ob tainaNew Key *T
heSmar tKey nee dstobe replaced. 0007
Visit aqu alif ied spec ialistwo rkshop.
00AF Key NotDetect ed(whit e
displa ymessag e) *T
heSmar tKey iscur rently undetect ed. 0007
Chang eth elocation oftheSmar tKey intheve hicle. 0007
Ifth eSmar tKey isstill no tre cogni zed,star tth eengine withth eSmar tKey inthemar kedspace
(0013 page12 9). 460
Displaymessa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00AF Replace KeyBattery *T
heSmar tKey batt eryis disc harged. 0007
Replace thebatt ery(0013 page64 ).
00AF Pl ace theKey inthe
Mark edSpac eSee Oper a-
to r's Man ual *T
heSmar tKey detection functi onismal functi oning. 0007
Chang eth elocation oftheSmar tKey intheve hicle. 0007
Startth eve hicle withth eSmar tKey intheslo t(0013 page12 9).
00AF Don't Forget YourKey *A
warning tone also sou nds. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vetheve hicle. Displa
ymessag esand warning/ indic ator lam ps 46
1

Ve
hicl e Dis
playmessag es
Possible causes/conseq uencesand0050 0050
Solutions
00CA Operation OnlyPossible in
Transmission PositionP *
Yo uha ve attem pte dto displace theball coupling andthetra nsmiss ionisin position 005E,005Cor005B. 0007
Depr essthebr ak epedal. 0007
Shif tth etra nsmiss iontoposition 005D.
006F Rear LeftBack restNot
Latc hed (Exam ple) *T
hecor responding rear seat backres tis no teng aged. 0007
Foldthecor responding seatbackres tbac kuntil iteng ages.
006F
Front LeftSeat Backrest
Not Locked (Exam ple) *T
heseat backres tof thecor responding front seat isno teng aged. 0007
Foldtheseat backres tbac kuntil iteng ages.
00CC *T
hesteer ing ismalfunct ioningSteer ing capability iscon sider ablyim pair ed. 462
Displa ymessag esand warning/ indic ator lam ps