TPMS MERCEDES-BENZ CLA COUPE 2019 Owner's Manual

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