tire pressure MERCEDES-BENZ S-CLASS 2020 Owner's Manual

The
tirep ressur esarea lready being moni‐
to re d. #
Com parethe tirep ressur ewitht he recom‐
mend edtirep ress uref or thec urrent operat‐
ing cond ition (/ page 449). Observet he
no teso ntiret em per atur e(/pag e448).
% The values displa yedi nt he multifunction dis‐
pla ym aydeviat efromt hose ofthet irep res‐
sur egaug eastheyr efer tosea leve l.At high
altitudes, thet irep ressur evalues indicated
by ap ressur egaug earehigh erthan those
sho wnbytheo n-boar dcom put er.Int his
case, donotreduce thet irep ressur e.
Mak esuret oo bser vethef ollo wing further rela‐
te ds ubjec t:
R Noteso ntirep ressur e(/pag e448)
Re star ting thet irep ressur emonitoring sys‐
te m
Re quirement s:
R The recomme ndedtirep ress urei sc orrectl y
se tfor ther espectiv eoper ating condition on
eac hofthe four wheel s(/ pag e448). Re
star tt he tirep ressur emonit oring system in
th ef ollo wing situations:
R The tirep ressur ehaschang ed.
R The wheels ortires have been chang edor
ne wlyi ns talled.
On- boar dcom put er:
4 Service 5
Tires #
Swipe down wardso nTouc hControl on the
lef t-hand sideofthes teer ing wheel.
The Use Current Pressures asNew Refer-
ence Values? messageiss hown inthem ulti‐
func tion displa y. #
Press 0076 toconf irmt herestar t.
The Run FlatIndicat orRest arted mes sageis
sho wninthem ultifunc tiondispla y.
Cur rent wa rning mess ages ared eleteda nd
th e0077 yello ww arning lampgoes out.
Af tery ou have driven foraf ewmin utes, the
sy stem checks whe ther thec urrent tirep res‐
su resa rewit hin thes pecif iedrang e. The cur‐
re nt tirep ress ures aret hen accep teda sref‐
er ence values andmon itor ed. Mak
esuret oo bser vethef ollo wing further rela‐
te ds ubjec t:
R Noteso ntirep ressur e(/pag e448) Whe
elsand tires 453

Ti
re pres sur em onitor Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
Tire Press. MonitorCur-
rent lyUnavailable *T
her eisinter fere nce from apowe rful radio signal source.Asaresult, nosignals from thet irep ressur esensor sare
being recei ved. The tirep ressur emonit oristemp orarily una vailable. #
Driveo n.
The tirep ressur emonitor will restar ta utomat icallyassoon asthec ause hasbeen rectif ied.
Tir eP ress. Moni torInope ra-
tive *T
hetirep ressur emonit orismalfunctionin g. &
WARNIN GThe reisar isk ofan acci dent ifth et irep ressur emonit oring system ismalfunct ioning
If th et irep ressur emonit oring system ismalfunct ioning,itis no ta ble toissue awarning ifth er ei sp ressur eloss
in one ormor eofthe tires.
Un der inflated tires ma y,fore xamp le,impair thed riving, steer ing and braking charact eristic s. #
Have thet irep ressur emonit oring system checkeda taq ualifiedspec ialistworks hop. #
Consult aqualif iedspec ialistworks hop.
Tire Pressure MonitorInop-
erative NoWheel Sensors *T
hewheels installed donoth ave suitable tirep ressur esensor s.The tirep ressur emonit orisdeactiv ated. #
Installwheels withs uitable tirep ressur esensor s. Disp
laym essages and warning/ indic ator lam ps 535