Page 397 of 522

1
Preceding letter
2 Nominal tirewidt hin millime ters
3 Aspe ctratio in%
4 Tire code
5 Rim diame ter
6 Load-be aring inde x
7 Speed rating
8 Loadind ex
0009 The datasho wnintheimag eis exam ple
dat a.
In fo rm atio nabout readin gtir edat acan be
obt aine dfrom anyqu alif ied spec ialistwo rkshop. 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
(0013 page38 7)
R Max imum tireload (0013 page39 3)
R Load index
Speed ratin g7 7:
Spe cifiesth eappr ovedmaximum speedofthe
tir e. Wh
eelsand tires 39
5
Page 398 of 522

0009
Anelectr onicspe edlimit erpreve 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) Inde
xS peedra tin g
Yu pto 186mp h(3 00 km/h)
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(1 90 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
1 "ZR" stat ed inthetir ecode.
2 Or "M+S 004D" forwint ertires 396
Wheel sand tires
Page 420 of 522

000A
WARNIN G‑Ri sk offire and injuryfrom
wind shieldwa sher concen trat e
Wi ndsh ield wa sher concen trat eis highl y
fl ammab le.Itcoul dign ite if it com esinto
con tact with hotengine component partsor
th eex haus tsy stem. 0007
Mak esur eth at no wind shieldwa sher
concen trat espills outnext to thefiller
open ing. 000E
NO
TEDama getotheex terior lighting
due touns uitable windshieldwa sher fluid Uns
uitable windshieldwa sher fluid maydam‐
ag eth eplas ticsur face oftheex terior light‐
ing. 0007
Onlyuse windshield washer fluid whic h
is also suitable foruse onplastic sur fa‐
ces, e.g.MBSumm erFitor MB Winter‐
Fit. 000E
NO
TEBlocked spr aynozzl escau sed by
mixing windshieldwa sher fluids 0007
Donotmix MBSum merFitand MBWin‐
te rFit withot her windshield washer flu‐
ids. Do
notuse distilled orde- ionizedwa teras thefill
le ve lsen sor maybe trigg ered erro neou sly.
Re comme ndedwindsh ield wa sher fluid:
R Abo vefreezing point:e.g. MBSummerFi t
R Belo wfreezing point:e.g. MBWinterFi t
Fo rth ecor rect mixi ngratio ,re ferto theinf orma‐
tion ontheantif reeze container .
Mix thewa sher fluid withth ewindshield washer
fl uid allyear round . Re
frig er ant No
teson refrig er ants
Obser vetheno teson oper ating fluids
(0013 page41 3). 000E
NO
TEDama gedue toinc orrect refrig er‐
ant If
anon-appr ovedre frig er ant isuse d,thecli‐
mat econ trol system maybe damag ed. 0007
Onlyuse there frig er ant R‑134a 000E
NO
TEDama getotheclimat econ trol
sy stem due toinc orrect refrig er ant com‐
pr essor oil 0007
Onlyuse refrig er ant com pressor oilthat
has been approvedby Mer cedes-Ben z. 0007
Donotmix theappr ovedre frig er ant
com pressor oilwithadif fere nt refrig er‐
ant com pressor oil. Wo
rkon theclimat econ trol system maybe car‐
ri ed out onlyby aqu alif ied spec ialistwo rkshop.
All appli cable regulations, aswellas SAEstand‐
ar dJ63 9,mus tbe adher edto.
The instruction labelontheclimat econ trol sys‐
te m forth ere frig er ant type andthere frig er ant
com pressor oilisloca tedon theinside ofthe
hood. 41
8
Tech nica lda ta
Page 436 of 522

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions 0007
Obser vetheno teson thediagnos ticsconnect ion(0013 page26). 0007
Visit aqu alif ied spec ialistwo rkshop.
0053 Inoperative *A
tle as tone mainfunctio nof theMer cedes meconnect system oroftheSOS emer gency callsy stem ismalfunc‐
tion ing. 0007
Visit aqu alif ied spec ialistwo rkshop.
0075 Front LeftMalfunction
Service Required(Exam ple) *T
hecor responding restra int system isfaulty (0013 page34). 000A
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 entionally or
might notbe trigg ered atall intheev ent ofan acciden t.This mayaf fect theEmer gency Tensi oni ng Device or
ai rba g,forex am ple. 0007
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. 0007
Visit aqu alif ied spec ialistwo rkshop immediat ely. 43
4
Displa ymessag esand warning/ indic ator lam ps
Page 437 of 522

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Brake Assist Func-
tions Currently LimitedSee
Operator' sManual *
Ve hicl eswith theDr iving Assistance Packag e:Ac tiveBr ak eAssi stwit hcr oss- traf fic functi on,Evasi ve Steer ing
Assis tor PRE‑S AFE®
PL US arete mp orarily una vailable oronl ypar tiall yav ailable.
Ve hicl eswithout theDr iving Assistance packag e:Ac tiveBr ak eAssi stistemp orarily una vailable.
The ambien tcon dition sar eouts idethesy stem limits (0013 page16 1). 0007
Drive on.
As soo nas theambient conditions arewit hin thesy stem limits, thesy stem will become available again. 0007
Ifth edispla ymessag edoes notdisappear ,st op theve hicle while paying attention toroad and traffic condi tions
and restar tth eengine.
0075
SRS Malfunct ionServ ice
Required *T
herestra int system isfaulty (0013 page34 ). 000A
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. 0007
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. 0007
Visit aqu alif ied spec ialistwo rkshop immediat ely. Dis
play messa gesand warning/ indic ator lam ps 435
Page 469 of 522
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. 0007
Visit aqu alif ied spec ialistwo rkshop.
0049 Check LeftLow
Beam (Exam ple) *T
hecor responding lightsourceisdef ectiv e. 0007
Drive on car efully . 0007
Visit aqu alif ied spec ialistwo rkshop immediat ely.
0009 LED lightbul bs: thedispla ymessag efo rth ecor responding lampappea rsonl ywhen allthelight- emitt ingdiodes
in thelam pha ve failed.
0049 Ac tiveHeadlamp sIno pera-
tiv e *T
heactiv eheadla mpsar edef ectiv e. 0007
Visit aqu alif ied spec ialistwo rkshop.
0049 *Y
ouarelea ving theve hicle andthelights arest ill switc hedon. 0007
Turn thelight switc hto the0058 position . Displa
ymessag esand warning/ indic ator lam ps 46
7
Page 470 of 522
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 page11 5). 46
8
Dis play messa gesand warning/ indic ator lam ps
Page 471 of 522

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Adaptive Highbeam Assist
Currently Unavailable See
Operator' sManual 0007
Drive on.
Onc eth ecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again. TheAdap tiveHig hbeam
As sist Now Available displaymes sageappear s.
Adap tiveHig hbeam Assist
Camer aView Restricted
See Oper ator'sMan ual *T
hecamer avie wisrestrict ed. Possible causes are:
R Dirton thewindshield inthecamer a'sfield ofvision
R Hea vyrain, sno wor fog
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 nth ewindshield. 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. Dis
play messa gesand warning/ indic ator lam ps 469