Page 452 of 578

Pr
eceding letter 1 1:
R Without :passeng ervehicle tires accor dingto
Eur opeanma nuf actu ring standar ds.
R "P": passe nger vehicle tires accor dingtoUS
manuf acturingstandar ds.
R "LT": light truc ktir es acc ordin gto US manu‐
fa ctur ingstandar ds.
R "T": com pact emer gency sparewheels with
high tirepr essur eth at areon lyde signe dfo r
te mp orar yuse inan emer gency .
As pec tra tio 3 3:
Ra tio betwee ntir ehe ight and tirewi dthin pe r‐
cent (tire height divided bytirewi dth).
Tir eco de 4 4
(tire type ):
R "R"ra dial tire
R "D": bias plytire
R "B": bias beltedtires
R "ZR": radial tirewit hamaximum speedabove
14 9mp h(2 40 km/h) (optional) Rim
diame ter5 5:
The diam eter ofthebead seat(notth ediame ter
of therim flang e).The rim dia me teris specif ied
in inc hes (in).
Load-be aring inde x6 6:
Numer icalcode that spec ifies themaximum
load-bear ingcapacity ofatir e(e.g. "91" cor re‐
sponds to1356 lbs (615 kg)).
The load-bear ingcapacity ofthetir emus tbe at
leas thalf theper missible axleload ofyour vehi‐
cle. Donotove rload thetir es by exc eeding the
specif iedload limit.
See also:
R Maximum permissible loadontheTire and
Loadi ngInfo rm atio nplacar d(→ pag e44 2)
R Maximu mtireload (→ page 448)
R Load inde x
Sp eed ratin g7 7:
Spe cifiesth eappr oved maximum speedofthe
tir e. %
Anelectr onicsp ee dlimi terpr eve nts your
ve hicle from exceeding aspeed of130mp h
(2 10 km/h) .
Ma kesur eth at your tires have there qu ired
speed rating .Yo ucan obtain informat iononthe
re qu ired speed rating from anauthor ized
Mer cedes-B enzCent er.
Summ ertires Inde
xS peedra tin g
Qu pto 100mp h(1 60 km/h)
Ru pto 106mp h(170 km/h)
Su pto 112mp h(1 80 km/h)
Tu pto 118mp h(1 90 km/h)
Hu pto 130mp h(210 km/h)
Vu pto 149mp h(2 40 km/h)
Wu pto 168mp h(2 70 km/h)
Yu pto 186mp h(3 00 km/h) 450
Wheelsand tires
Page 453 of 578

Inde
xS peedra tin g
ZR ...Y 1
upto186mp h(3 00 km/h)
ZR ...(..Y) 1
over18 6mp h(3 00 km/h)
ZR 1
over14 9mp h(2 40 km/h) R
Specifying thespeed rating asthe"ZR" index
in tirecode 4isop tion alfortir es up to
18 6mp h(3 00 km/h) .
R Ifyo ur tireco de 4 includes "ZR"andther e
is no speed rating 7,find outwh atthemax‐
imum speed isfrom thetir emanuf acturer.
R Ifload-bear inginde x6 and speed rating 7
ar ein brac kets, themaximum speedrating of
yo ur tireis abo ve186mp h(300 km/h). To
fi nd outth emaximum speed,askthetir e
manuf acturer. All-w
eather tires and wint ertires Inde
xS peedra tin g
Q M+S 2
upto100mp h(1 60 km/h)
T M+S 2
upto118mp h(190 km/h)
H M+S 2
upto130mp h(210 km/h)
V M+S 2
upto149mp h(2 40 km/h) Wi
nter tires bear the004D snowflak esymbol
and fulfillthere qu iremen tsof theRu bber Manu‐
fa ctur ersAssoci ation (RMA) andtheRu bber
Assoc iation ofCanada (RAC)rega rding thetir e
tra ction onsno w.
Load index8 8:
R Nospec ificat ion given: standar dload (SL)
tir e
R "XL" or"Ex tra Load": extra load tireor rein‐
fo rc ed tire
R "Light Load": lightloadtire R
"C", "D", "E":aload rang eth at depen dson
th emaximum loadthat thetir ecan carryata
cer tain pressur e Def
inition ofterm sfo rtir es and loadin g
Ti re stru ctu reand charact eristics :descr ibes
th enumber oflaye rs or thenumber ofrubber -
coat edbelts inthetir econ tact surface and the
tir ewa ll.These aremade ofsteel, nylon, poly‐
es terand other materials.
Bar: metric unit fortir epr essu re.
14 .5038 pounds persquar einc h(p si) and
10 0kilop ascal(kP a)istheeq uiv alent ofone bar.
DO T(Depar tment ofTranspo rtation ):DO T-
mar kedtir es fulf illthere qu iremen tsof the
US Depar tment ofTrans portatio n.
Av erag ewe ight oftheve hicl eoc cupants: the
num berof vehicle occupants forwhi chtheve hi‐
cle isdesigned, multiplied by150lb (68 kg).
1 "ZR" stat ed inthetir ecode.
2 Or "M+S 004D" forwint ertires Wheel
sand tires 45
1
Page 490 of 578

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
De tection ofare stra int system malfunct ion:
R The 0075 restra int system warning lam pdoes notlight upwhen theignition isswitc hedon.
R The 0075 restra int system warning lam plight sup con tinuousl yor repeat edlydur ing ajour ney. #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
0075
Front LeftMalfuncti on
Servi ceRequire d(Ex am ple) *T
hecor responding restra int system ismalfunct ioning(→pag e32). &
WARNIN GRisk ofinju ryor fata linj urydue toamalf unctionin there stra int system
If th ere stra int system ismalfunct ioning,restra int system com ponen tsma ybe trigg ered unint entionall yor
might notbe trigg ered atall intheeve ntofan acci dent. Thisma yaf fect theEmer gency Tensi oni ng Device or
ai rba g,forex am ple. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. De
tection ofare stra int system malfunct ion:
R The 0075 restra int system warning lam pdoes notlight upwhen theignition isswitc hedon.
R The 0075 restra int system warning lam plight sup con tinuousl yor repeat edlydur ing ajour ney. #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
0075 *T
hecor responding windowcur tain airbag ismalfun ctionin g(→ pag e32). 488
Display mess ages and warning/ indic ator lam ps
Page 522 of 578
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Open thewindo wto ensur eth at ther eis an adeq uatesupply offresh air. #
Visit aqu alif ied spec ialistwo rkshop immediat ely. Light
s Displa
ymess ages
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 Check LeftLow
Beam (Exam ple) *T
hecor responding lightsourceisdef ectiv e. #
Drive on car efully . #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
% LED lightbul bs: thedispla ymessag efo rth ecor responding lampappea rsonl ywhen allthelight- emitt ingdiodes
in thelam pha ve failed.
0049 *T
heactiv eheadla mpsar edef ectiv e. #
Visit aqu alif ied spec ialistwo rkshop. 520
Displa ymessag esand warning/ indic ator lam ps
Page 523 of 578
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Headlamps Inopera-
tive
0049
Switc hOff Lights *Y
ouarelea ving theve hicle andthelights arest ill switc hedon. #
Turn thelight switc hto the0058 position .
0049 Malfunct ionSee Opera-
tor’s Manual *T
heexterior lighting isdef ectiv e. #
Visit aqu alif ied spec ialistwo rkshop.
0049 Switch OnHeadla mps *Y
ouaredr iving without low- beam headlam ps. #
Turn thelight switc hto the0058 or0058 position .
0049
Autom aticHeadlamp Mode
Inoper ative *T
helight sensor isfaulty . #
Con sult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 52
1
Page 525 of 578

Wa
rning and indicat orlam ps Ov
ervie wof wa rning and indicat orlam ps Som
esy stems willperform aself -tes twhen the
ignit ionisswitc hedon.Som ewa rning and indi‐
cat orlam psma ybr ief lylight uporflash. This
beha viorisno n-cr itical. Thes ewa rning and indi‐
cat orlam psindic ateamalfun ction onlyif th ey
light uporflash afte rth eengine hasbeen star‐
te dor dur ing ajour ney.
Ins trum ent Disp lay Pr
og ressiv ese tting If
yo usele ctthepr ogr essiv edispla yse tting, the
position sof theindicat orlam pson theins tru‐
ment displa ywill chang e.
Wa rning and indicat orlam ps:
0058 Lo
wbeam (→pag e14 5)
0060 Pa
rking light s(→ pag e14 5)
0057 Hi
gh beam (→ pag e14 6)
003E003D Tu
rn signal lights(→ page14 6)
005E Re
ar foglight (→pag e14 5)
0075 Re
stra int system(→ page52 4)
00E9 Seat
beltnotfa stened(→ page529) 0027
US
A:brak es (red) (→pag e52 4)
004D Canada:
brak es (red) (→pag e52 4)
0024 Elect
ric pa rking brak e(yello w)
(→ pag e52 4)
0049 US
A:elect ric pa rking brak eapplied
(r ed) (→pag e52 4)
0024 Canada:
electric pa rking brak e
applied (red) (→pag e52 4)
0025 AB
Smalfun ctionin g(→page52 4)
00E5 ESP®
(→ pag e52 4)
00BB ESP®
OFF( →pag e52 4)
L Distance warning(→ page530 )
00CC Po
we r-assis tedsteer ing malfunct ion‐
ing( →pag e535)
00CC AIRMA
TIC/Active Body Controlmal‐
func tioning(→pag e530)
00B9 Chec
kEn gine(→ page530)
003D Elect
rical mal functi on(→ page 530)
00B6 Fu
elreser vewit hfuel filler flap loca‐
tio nind icat or(→ pag e53 0)
(→ pag e53 0) Dis
playmes sagesand warning/ indic ator lam ps 523
Page 529 of 578
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00E5 ESP ®
wa rning lam pflashes The
yello wES P®
wa rning lam pflashes whiletheve hicle isin mo tion.
At leas tone wheel andtireassemb lyhas reac hed itstracti onlimit (→pag e19 3). #
Adaptyo ur drivin gst yle to suit thero ad and weather condition s.
00E5 ES P®
wa rning lam plight s
up The
yello wES P®
wa rning lam pis lit while theengine isrunning .
ESP ®
is mal func tioning
Ot her drivi ng systems anddriving safetysy stems mayalso malfunct ion. &
WARNIN GRisk ofskid ding ifESP ®
is mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcar ryout vehicle stabiliz ation.Inaddit ion,ot her driving safetysy stems are
switc hedoff. #
Drive on car efull y. #
Have ESP ®
ch eckedat aqu alif ied spec ialistwo rkshop. #
Drive on car efully . #
Obser vethemessag eson themultifunc tiondispla y. #
Visit aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 52
7
Page 531 of 578

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. #
Drive on car efully . #
Obser vethemessag eson themultifunc tiondispla y. #
Visit aqu alif ied spec ialistwo rkshop immediat ely. Seat
belts Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0076 Seat beltwarning lam p
light sup The
redseat beltwarning lam pwill light upforsix seconds oncetheengine hasstar ted.
In addition, awa rning tone maysou nd.
The seatbe ltwa rning lam pre minds thedr iver and front passeng ertofasten their seat belts. #
Fasten your seat belt(→pag e37 ).
If yo uha ve placed objectson thefront passeng erseat, theseat beltwarning lam pma yre main lit.
0076 Seat beltwarning lam p
fl ashes The
redseat beltwarning lam pflashes andanintermit tent wa rning tone sou nds.
The driver or front passe nger hasno tfa stened their seat beltwhile theve hicle isin mo tion. #
Fasten your seat belt(→pag e37 ).
Ther ear eobjec tson thefront passeng erseat. #
Remo vetheobjec tsfrom thefront passeng erseat. Displa
ymessag esand warning/ indic ator lam ps 529