2019 MERCEDES-BENZ C-CLASS COUPE tire pressure

allo
wtheTPMS tocontinu eto function prop‐
er ly. The
system checks thetir epr essur eand thetir e
te mp eratur eof thetir es installed ontheve hicle
by means ofatir epr essu resensor .
Ne wtirepr essur esensor s,e.g. inwint ertires,
ar eaut omaticall yta ught -indur ing thefirs tjou r‐
ne yth ey areused.
The tirepr essur eand thetir ete mp eratur e
appear inthemultifunc tiondispla y
(0013 page383).
If th er eis asubs tantia lpr ess ureloss orifth e
tire temp eratur eis excess ive, youwill bewarned
in thefo llo wing ways:
R viadisp lay messa ges(0013 page453)
R viathe0077 warning lam pin theins trument
clus ter(0013 page47 7)
The tirepr essu remonit oring 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 .Se tth etir e
pr essur efo rcold tires using atir epr essu re ga
ug e. No tethat thecor rect tirepr ess urefo rth e
cur rent operati ng situa tionmu stfirs tbe taught -
in to thetir epr essur emonit oring system.
In mos tcases, thetir epr essur emonit oring sys‐
te m wil lau tomatical lyupd ateth ene wrefere nce
va lues afte ryo uha ve chang edthetir epr essur e.
Yo ucan ,ho we ver,also updat eth ere fere nce val‐
ues byrestar tin gth etir epr essur emonit oring
sy stem manuall y(0013 page38 4).
Sy stem limita tions
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R Ifth etir epr essur eis setincor rectl y
R Ifth er eis asudden pressur eloss caused, for
ex am ple, byafo re ign obje ctpene trating the
tir e
R Ifth er eis amalfunct ioncaused byano ther
ra dio signal source
Mak esur eto obser vethefo llo wing further rela‐
te dsubjec t:
R Noteson tirepr essur e(0013 page37 9) Che
cking thetir epr essur ewit hth etir epr es‐
sur emoni toring system
Re quirement s:
R The ignit ionisswitc hedon.
On- boar dcom puter:
0018 Service 0019
Tires
One ofthefo llo wing displa ysappear s:
R Cur rent tirepr ess ureand tirete mp eratur eof
th eindividual wheels: R
Tire pressure willbedisplayed afterdriving a
few minutes Wheels
andtires 383

R
Tire Pressure MonitorActive: thete ac h-in
pr oce ssofthesy stem isno tye tcomple te.
The tirepr essur esarealr eady being moni‐
to re d. 0007
Com pareth etir epr essur ewit hth ere com‐
mend edtirepr ess urefo rth ecur rent operat‐
ing cond ition (0013 page 380). Observeth e
no teson tirete mp eratur e(0013 page37 9).
0009 Theva lues displa yedin themultifunc tiondis‐
pla yma yde viat efrom those ofthetir epr es‐
sur ega ug eas they referto sea leve l.At high
altitudes, thetir epr essur eva lue indic ated by
a pr essur ega ug ear ehigh erthan those
sho wnbytheon- boar dcom puter.In this
case, donotre duce thetir epr essur e.
Mak esur eto obser vethefo llo wing further rela‐
te dsubjec t:
R Noteson tirepr essur e(0013 page37 9) Re
star ting thetir epr essur emoni toring sys‐
te m
Re quirement s:
R The recomme ndedtirepr ess ureis cor rectl y
se tfo rth ere spectiv eoper ating status on
eac hof thefo ur wheel s(0013 page37 9).
Re star tth etir epr essur emonit oring 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:
0018 Service 0019
Tires 0007
Swipe down wardson Touc hCon trol on the
lef t-hand sideofthesteer ing wheel.
The Use Current Pressures asNew Refer-
ence Values? messageis sho wninthemulti‐
func tion displa y. 0007
Tobegin restar t,pr ess Touc hCon trol on the
lef t-hand sideofthesteer ing wheel.
The Tire Press. MonitorRestart edmessag eis
sho wninthemultifunc tiondispla y. Cur
rent wa rning mess ages aredele tedand
th eye llo w0077 warning lam pgoes out.
Af teryo uha ve been driving fora fe w
minut es,thesy stem checks whe ther thecur‐
re nt tirepr ess ures arewi thin thespecif ied
ra ng e. The current tirepr ess ures areth en
accep tedas refere nce values andmon itor ed.
Mak esur eto obser vethefo llo wing further rela‐
te dsubjec t:
R Noteson tirepr essur e(0013 page37 9)
Ra dio equipme ntappr oval of thetir epr es‐
sur emoni toring system
Ra dio equipme ntappr oval number s Co
untr yR adiotype approval number
Ca nada IC:2546A -GG4T
IC: 2546A -DG6W2D4
IC: 2546A -MC34MA4
US AF CCID:MRXGG4 T
FCC ID:MRXD G6W2D4
FCC ID:MRXM C34MA4 38
4
Whee lsand tires

Fu
rther information onthedeclar ationofcon ‐
fo rm ity forwir eles sve hicle component s
(0013 page25). 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.
Af tera ch ang ein tirepr essur e,awheel rotatio n
or atire chang e,or ifyo uha ve re-ins talled
wheels ortires, thetir epr essur eloss warning
sy stem has tobe restar ted(0013 page385 ).
The tirepr essur eloss warning system does not
re place theneed toregular lych eckth etir epr es‐
sur e.
Sy stem limita tions
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 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 hahigh load
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(0013 page37 9)
R Display messa gesabout thetir es
(0013 page453)
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(0013 page37 9). 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:
0018 Service 0019
Tires 0007
Swipe down wardson theTo uc hCon trol on
th elef t-hand sideofthesteer ing wheel.
The Tire Pressure ControlSystem
Act iveR estart :Press Touch Controlmessag e
is sho wninthemultifunc tiondispla y.
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. 0007
Tobegin there star t,pr ess theTo uc hCon trol
on thelef t-hand sideofthesteer ing wheel.
The Tire Pressure NowOK?messag eis
sho wninthemultifunc tiondispla y. Wheels
andtires 385

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 page37 9) andth etir es. 0007
When thetir epr essur eis cor rect, restar tth etir epr essur eloss warning system (0013 page385). Displa
ymessag esand warning/ indic ator lam ps 453

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. 456
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 page385).
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 45
7