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 page40 1).
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 page47 0)
R via th e0077 warning lam pin theins trument
clus ter(0013 page493)
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 lyupdat eth 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 manually (0013page402).
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 rectly
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 page39 7) Chec
kingthetir 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 40
1
of
skidding orhydroplaning onwetro ads is
inc reased.
In addit ion,th etir egr ip isgreatl yre duced at
a low outside temp eratur eand tireru nning
te mp eratur e. 0007
Switc hon theES P®
and adap tyo ur
dr ivin gst yle accor dingly. 0007
Use M+S tireat outside temp eratur es
of less than 10 °C (50 °F). Obser
vethefo llo wing when selecting,ins talling
and replacing tires:
R Onlyuse tires and wheels ofthesame type
(summer tires, wint ertires, MOEx tende d
tir es) and thesame make.
R Onlyins tallwheels ofthesame sizeonone
axle (leftand right).
It is onl yper missible toins talla dif fere nt
wh eelsi ze intheeve ntofaflat tirein order
to drive to thespecialis two rkshop.
R Onlyins talltir es ofthecor rect size ontoth e
wheels. R
Vehicl eswith atir epr ess uremonit oring
sy stem: Allinstalled wheels mustbe equip‐
ped withfunc tioningsensorsfo rth etir e
pr essur emonit oring system.
R Attemp eratur esbelo w45 °F(7°C), usewin‐
te rtir es orall-seaso ntir es mar kedM+S for
all wheels .
Wi nter tires bearing the004D snowflak esym‐
bol inaddition totheM+S marking prov ide
th ebes tpossible grip inwintr yro ad con di‐
tio ns.
R ForM+S tires, only usetires wit hth esame
tr ead.
R Obser vethemaximum permissible speedfor
th eM+S tires installed.
If th is isbelo wtheve hicle's maximum speed,
th is mus tbe indic ated byan appr opriate
label inthedr iver's field ofvision.
R Break inne wtires atmoder atespeeds for
th efirs t60 miles(1 00 km) .
R Replace thetir es afte rsix yearsat thelat est,
re ga rdless ofwe ar. R
Wh enreplac ingwith tires that donotfe a‐
tur eru n-flat charact eristics :ve hicles with
MOExt ended tires areno teq uipped witha
TIREFIT kitatthefa ct or y. Eq uip th eve hicle
wit haTIREFIT kitafte rre placing withtir es
th at do notfe atur eru n-f latch aract eristic s,
e.g .wint ertires.
Fo rmor einf ormation onwhee lsand tires, con‐
tac ta qu alif ied spec ialistwo rkshop.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(0013 page39 7)
R Tire and Loadi ngInfo rm atio nplacar d
(0013 page40 3)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(0013 page41 0)
R Tire pressur eta ble (0013 page398 ) Wheels
andtires 41
7
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
(Canada only)
Check BrakeFluidLevel 0007
Consult aqu alif ied spec ialistwo rkshop. 0007
Donotadd brak efluid. 0007
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.Do not
continu edr ivi ng und eranycir cums tances. 0007
Donotad dbr ak efluid. 0007
Con sult aqu alif ied spec ialistwo rkshop.
Rada rSensors DirtySee
Operator's Manual *T
heradar sensor system ismalfunct ioning.Possible causes are:
R Dirton thesensor s
R Hea vyrain or sno w
R Extende dcou ntrydr ivi ng without other traf fic, e.g. inthedeser t
Dr iving systems anddriving safetysy stems maybe malfunct ioningortemp orarily una vailable.
Onc eth ecause ofthepr oblem isno long erpresent ,dr iving systems anddriving safetysy stems willbeavailable
ag ain.
If th edispla ymessag edoes notdisappear : 0007
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions. 0007
Clea nallsenso rs(0013 page37 1). 0007
Restar tth eengine. 444
Display messa gesand warning/ indic ator lam ps
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions 0007
Inorder toadjus tth eve hicle leve ldur ing trailer operation ,yo umus tno tdr ive at spee dsgreat erthan 19 mp h
(30 km/ h).
Blind SpotAssistCurrent ly
Unavailable SeeOperat or's
Manual *B
lind SpotAss istis temp orarily una vailable.
The system limits have been reac hed (0013 page22 2). 0007
Drive on .
On ce thecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again.
or 0007
Ifth edispla ymessag edoes notdisappear ,st op theve hicle while paying attention toroad and traffic condi tions
and restar tth eengine. 0007
Ifneces sary,cle an there ar bum per.If th ebum perisex treme lydir ty,th esensor sin thebum permaybe mal‐
func tioning. Act
ive Steering AssistInop-
erative *A
ctiveSt eer ing Assis tis malfunct ioning.ActiveDis tance AssistDIS TRONI Cremains available. 0007
Visit aqu alif ied spec ialistwo rkshop.
00C4 *T
hevehicle leve lis toolow. The vehicle israised totheselect edvehicle leve l. 0007
Waitunt ilth edispla ymessag edisappear sbef orepulling away. Dis
play messa gesand warning/ indic ator lam ps 453
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
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.
0077
Whe elSenso r(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 ect ive 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. 47
2
Display messa gesand warning/ indic ator lam ps
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Switc hOff Lights
0049
Malfunct ionSee Opera-
tor’s Manual *T
heexterior lighting isdef ectiv e. 0007
Visit aqu alif ied spec ialistwo rkshop.
0049 Switch OnHeadla mps *Y
ouaredr iving without low- beam headlam ps. 0007
Turn thelight switc hto the0058 or0058 position .
0049
Autom aticHeadlamp Mode
Inoper ative *T
helight sensor isfaulty . 0007
Con sult aqu alif ied spec ialistwo rkshop.
Adaptive Highbeam Assist
Inoperative *A
daptiveHighbeam Assistis malfunc tioning. 0007
Visit aqu alif ied spec ialistwo rkshop.
*A dap tiveHighbeam Assistis temp orarily una vailable.
The system limits have been reac hed (0013 page12 9). Dis
play messa gesand warning/ indic ator lam ps 48
1
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B6 Fu elreser vewarning lam p The
yello wfuel reser vewarning lam pis lit while theengine isrunning .
The fuelsu pp lyha sdr op pedint oth ere ser verang e. 0007
Refuel .
00AC
Coo lant warning lam p The
redcoolant warning lam pis lit while theengine isrunning .
Po ssible causes are:
R The temp eratur esensor ismalfunct ioning
R The coolant leve lis toolow
R The airsuppl yto thera diat orisobs truct ed
R The radiat orfanis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceed edthemaximum permissible temp eratur e. 000A
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld come
int oco ntact withho tga ses orother escaping operating fluids. 0007
Beforeopen ingthehood, allowtheengine tocool down. 0007
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. 492
Displa ymessag esand warning/ indic ator lam ps
0075
LeftSide Curtain Air bag Mal‐
func tion Service Required (Exam ple) ...4 47
Le tfr esh airintoth eve hicle interior .
Air Conditioning Malf.Visit Wo rk‐
shop ....................................................4 79
00C5 Lowe ring <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...........458
Ma lfunctio nDr ive at Ma x.50 mph...... 457
0049Malfunction SeeOper ator ’s
Manual .................................................4 81
Mer cedes meconn ectServices Limi‐
te dSee Oper ator's Manual .................. 450
N Pe rm anen tly Ac tiveRi sk ofRo lling
Aw ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 467
00AFOb tain aNe wKe y........................ 474
ç Off............................................... 459
00D9Of f............................................... 456
Onl yShif tto 'P' when Vehicle isSta‐
tio nar y.................................................4 68
00CAOpe ratio nOnly Possible in
Tr ans miss ionPosition P....................... 476 0049
Parking Brak eSee Opera tor's
Manua l...... .......................................... 439
00AFPla cetheKe yin theMar ked
Spa ceSee Operator's Manua l...... .......4 75
0077 Please Correct Tire Pressur e.......4 71
0049 Please Release Parking Brak e.....4 42
PRE-S AFEImpul seSide Inoper ative
See Oper ator's Manu al....... .................449
PRE-S AFEInoper ativeSee Oper a‐
to r's Manua l...... .................................. 449
Ra dar SensorsDir tySee Oper ator's
Manual ................................................ 444
006F Rear Lef tBac kres tNo t
La tched (Exam ple) ...............................4 76
00AF Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 475
Re versing NotPo ssible Service
Re quired .............................................. 468
003DSee Operator's Manua l...... .......... 461
Ser vice Required Do NotShif tGear s
Vi sit Dealer .......................................... 468 0075SRS
Malfunction Service
Re quired .............................................. 451
00CCSt eering Malfunct ionIncreased
Ph ysical Effort See Operator's Man‐
ua l...... ................................................. 477
00CC Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ....4 76
St op Vehicle LeaveEngi neRunning
Wa itTrans miss ionCoolin g.................. 468
003DSt opVehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.....461
003DSt opVehicle SeeOper ator's
Manual ................................................ 462
00C4St opVehicle Vehicle TooLo w ...... 457
çSuspended ..................................4 59
0049Switc hOf fLigh ts....... ..................480
0049Switc hOn Head lamp s................. 481
0077Ti rePress. Monit orCur rently
Un available .......................................... 472
0077 Tire Press. Monit orInopera tive ....4 72 Inde
x50
7