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
(→ pag e392).
If th er eis asubs tantia lpr ess ure loss orifth e
tir ete mp eratur eis exc essiv e,youwill bewarned
in thefo llo wing ways:
R viadisp lay messa ges(→ pag e458)
R viathe0077 warning lam pin theins trument
clus ter(→ pag e486)
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 (→pag e393).
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(→ pag e388)
Chec kingthetir epr essur ewith thetir epr es‐
sur emoni toring system
Re quirement s:
R The ignit ionisswitc hedon. On-
boar dcom puter:
, Service .
Tires
One ofthefo llo wing displa ysappear s:
R Cur rent tirepr ess ure and tirete mp eratur eof
th eindividual wheels: R
Tire pressure willbedisplayed afterdriving a
few minutes
R Tire Pressure MonitorAct ive: thete ac h-in
pr oce ssofthesy stem isno tye tcomple te.
The tirepr essur esarealr eady being moni‐
to re d. #
Com pareth etir epr essur ewit hth ere com‐
mend edtirepr ess urefo rth ecur rent operat‐ 39
2
Whe elsand tires
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(→ pag e388) R
Tire and Loadi ngInfo rm atio nplacar d
(→ pag e39 3)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(→ pag e40 1)
R Tire pressur eta ble (→pag e389 ) &
WARNIN GRisk ofacci dent caused by
non-a pprove dtir etypes
If yo uuse tiretype sth at have notbe en adap‐
te dto chang esmade tothefa ct or yspe ed
li mit, this can have thefo llo wing consequen‐
ces:
R The tires do notex hibit there qu ired qual‐
ity charact eristic sand areno tsuit able for
high speeds orthere leva nt drivi ng
dy nam ics.
R The tires wearune venly and could,th er e‐
fo re ,af fect thero adw orthines sof the
ve hicle.
R ABS ,ESP ®
and cruise controloper ation
ar ere strict ed.
Thi scan jeop ardize road safety. 408
Wheels andtires
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Drive on car efull y. #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
007A
0025
00E5
Inoperative SeeOperator's
Manua l *
EBD, ABSandESP®
aremalfu nctioning.
Ot her driving systems anddriving safetysy stems mayalso malfunct ion. &
WARNIN GRisk ofskid ding ifEBD, ABSandESP®
are malfuncti oning
If EBD, ABSandESP®
aremal functi oning,th ewheels canlockwhen braking andESP®
cann otcar ryout vehicle
st abiliz ation.
The steer ing capability andbraking charact eristic sar eth us severely im pa ired .Th ebr akin gdis tance inan eme r‐
ge ncy braki ng situa tioncan increase. Inadditio n,other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. #
Drive on car efully . #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
Radar Sensors Dirty Se e
Oper ator'sMan ual *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 432
Displa ymessag esand warning/ indic ator lam ps
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Drive on.
Onc eth ecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again.
or #
Ifth edispla ymessag edoes notdisappear ,st op theve hicle while paying attention toroad and traffic condi tions
and restar tth eengine. #
Ifneces sary,cle an there ar bum per.If th ebum perisex treme lydir ty,th esensor sin thebum permaybe mal‐
func tioning.
Blind SpotAssist Inopera-
tive *B
lind SpotAss istis malfun ctionin g. #
Visit aqu alif ied spec ialistwo rkshop.
Blind SpotAssist NotAvail-
able When Towing aTrailer
See Operator's Manual *W
hen youes tablish theelectr icalconnect iontothetra iler ,Blind SpotAssis tis una vailable. #
Press thelef t-hand Touc hCon trol and ackn ow ledg eth edispla ymessag e.
Act ive Blind SpotAssist
Current lyUnavailable See
Operator 'sManual *A
ctiv eBli nd Spo tAssi stistemp orarily una vailable.
The system limits have been reac hed (→pag e21 8). #
Drive on.
Once thecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again. #
Ifth edispla ymessag edoes notdisappear ,st op theve hicle while paying attention toroad and traffic condi tions
and restar tth eengine.
Act ive Blind SpotAssist
Inoper ative *A
ctiveBli nd Spo tAssi stismalfun ctionin g. #
Visit aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 44
7
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Donotdr ive wit haflat tire. #
Obse rveth eno teson flat tires. No
teson flat tires (→ pag e36 6). #
Stop theve hicle, paying attention toroad and traffic condi tions. #
Checkth etir es.
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 sar e
re cei ved. The tirepr essur emonit oring system istemp orarily una vailable. #
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. #
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. #
Installwheels withsuit able tirepr essur esen sors. 460
Display mess ages and warning/ indic ator lam ps
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 Int ell. Light System Inoper-
ative *T
heIntellig entLight System isdef ective. The lighting system continues tofunction proper lywit hou tth efunc tionsof
th eInt ellig entLight System. #
Visit aqu alif ied spec ialistwo rkshop.
0049 Malfunction SeeOpera-
tor’s Manual *T
heexterior lighting isdef ectiv e. #
Visit aqu alif ied spec ialistwo rkshop.
0049 Automatic HeadlampMode
Inoperative *T
helight sensor isdef ectiv e. #
Visit aqu alif ied spec ialistwo rkshop.
0049 Switch OffLights *Y
ouarelea ving theve hicle andthelights arest ill switc hedon. #
Turn thelight switc hto the0058 position . 47
2
Display messa gesand warning/ indic ator lam ps
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Elect rical mal functi onwarn‐
ing lam p #
Obser vethemessag eson themultifunc tiondispla y.
00B6
Fu elreser vewarning lam p The
yello wfuel reser vewarning lam plight sup while drivin g.
Ther ehas been pressur eloss inthefuel system. Thefuel filler cap isno tclos edcor rectly orthefuel system isleaking. #
Close thefuel filler cap.
If th efuel filler cap hasalready been closedcor rectl y: #
Visit aqu alif ied spec ialistwo rkshop.
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. #
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 de fectiv e
If th er eis an additional warning tone, thecoolant temp eratur ehas exceed edthemaximum permissible temp eratur e. 48
4
Displa ymessag esand warning/ indic ator lam ps
Calls
withse veralpar ticipant s.............3 05
Declini ng....... ......................................304
Ending acall ........................................ 304
Incoming callduring anexistin gcall .... 305
Makin g............................................ .... 304
Vi ath eove rhead control panel
(Mer cedes meconnect )....................... 315
Cam era
see 360° Camera
see Rear vie wcam era
Car key
see Smar tKey
Car wash
see Care
Car wash (car e)....................................... 357
Car e............... ...........................................3 64
Air -water duct <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011> 356
Au tomatic carwash ........................ ..... 357
Car pet............................................. ....3 64
Deco rativ efo il ................................ .....3 60
Displ ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 364
Ext eriorlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 362
Hea dline r<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 364
Ma tte finis h<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ................359Pa
int wo rk <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 359
Pl as tic trim <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 364
Po we rwa sher ................................. ..... 357
Re alwo od/tr imelements ............... ....3 64
Re ar vie wcam era/3 60°Camer a.... .... 362
Re ar wing (extend able) .................. ...... 362
Seat belts...................................... ...... 364
Seat cover..... ................................... ... 364
Sensor s..... ........................................ .. 362
Ta ilpipes .............................................. 362
Wa shing byhand .............................. ... 358
Wheels/r ims....................................... 362
Wi ndo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 362
Wi per blades .......................................3 62
Car gocomp artment floo r
Openi ng/closi ng....... .......................... 104
Car gotie- down rings ...............................1 02
Car pet(C are) ....... ....................................364
Cha ngeof address .....................................2 1
Cha ngeof ow ner ship ................................ 21
Cha nging awheel
Pr eparation .......................................... 410
Ra ising theve hicle ........................... ....4 11 Cha
nging gears ....... ................................. 151
Manually ..............................................1 51
Cha nging hubcap s.................................. 411
Cha racter ent ry
Fu nctio n/no tes ................................... 256
On theto uc hpad .................................2 56
Char ging
Batt ery(v ehi cle) ................................... 376
USB port..............................................1 11
Child safetyloc k
Ac tivati ng/d eactiv ating (mu ltimed ia
sy stem) ............................................... 262
Re ar door .............................................. 60
Re ar side windows <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 61
Child seat
At tach ing (notes) ................................... 52
Basic instructions ..................................4 8
Fr ont passeng erseat (notes) ................. 59
LA TC H-type (ISOFIX )(ins talling) ............ 54
No teson risk sand dang ers ...................4 9
Secu ring on thefront passeng erseat ....5 9
Secu ring on there ar seat ...................... 57
To pTe ther ..............................................5 6 49
4
Inde x