wheel MERCEDES-BENZ E CLASS 2018 Owner's Manual

wheel. Alternativel y, consult aq ualified
spec ialis tw or ks hop.
Ti re sw ith ru n-flat ch aracteristics:

junction wi th an activated tir ep re ssur em onitor‐
ing sy st em.
If ap re ssur el oss wa rn ing messag ea ppear si n
th em ultifunction display:R
Chec kt he tir ef or damage.R
If driving on, obser ve th ef ollowing no te s.
Driving distance possible in limp-home mode
af te rt he pressur el os sw arning:
Loa dc ondition Driving distance pos‐
sible in limp-home
mode
Pa rt iall yl aden 50 miles (80 km)
Fu ll yl aden 19 mile s( 30 km)R
The driving dis ta nce possibl einl imp- home
mod em ay va ry dependin gont he driving
st yl e.R
Maximum permissible speed 50 mp h
(80 km/h).
If at ir eh as gone fl at and canno tber eplaced
wit hanM OEx te nde dt ire, yo uc an use as ta nd‐
ar dt ir easat emporar ym easure. TIREFIT kit sto ra ge location
The TIREFIT kit is located under th et ru nk fl oor.
1
Ti re sealant bottle
2
Ti re inflation compressor
Using th eT IREFIT kit
Re qu irements
Ha ve th ef ollowing to ols re adil ya va ilable:R
Ti re sealant bottle R
St ic ke rT IREFIT R
Ti re inflation compressor Yo uc an use TIREFI Tt ir es ealan ttos eal per fo ra ‐
tio nd amag eofupto0 .1 6in(4m m), particularly
th ose in th et ir ec on ta ct su rf ace. Yo uc an use
TIRE FI Tino ut side te mp eratures down to -4 °F
(-20 °C).
q
WA RNING Risk of accident whe nu si ng
tir es ealant.
In th ef ollowing situations, th et ir es ealant is
unable to pr ov ide suf fi cient breakdown assis‐
ta nce, as it is unabl etos eal th et ir ep ro perly:R
Ther ea re cuts or punctures in th et ire
lar ge rt han th ose pr ev iousl ym entioned. R
The wheel ri misd ama ge d. R
Yo uh ave driven at av er yl ow tir ep re s‐
sur eoronaf lat tire.

Pe rm itted to wing me th ods
Ve hicl ee qu ipment/ to wing
me th od
Bo th axle sont he gr ound Fr ont axle ra ised Re ar axle ra ised
Ve hicles wit hm anual transmission Ye s, maximum 31 mile s( 50 km) at
31 mp h( 50 km/h) Ye s, maximum 31 mile s( 50 km) at
31 mp h( 50 km/h) Ye s, maximum 31 mile s( 50 km) at
31 mp h( 50 km/h)
Ve hicles wit ha utomatic transmis‐
sion Ye s, maximum 31 mile s( 50 km) at
31 mp h( 50 km/h) No Ye s, if th es te ering wheel is fi xe di n
th ec enter position wit has te ering
wheel loc k.
4MATIC ve hicles Ye s, maximum 31 mile s( 50 km) at
31 mp h( 50 km/h) No No
To wing wit har aise da xle: to wing should be
per fo rm ed by at ow ing compan y.
To wing th ev ehicle wit hb ot ha xle sont he
gr ound

R
The ve hicle has been loaded onto
th et ranspor te rc or re ctlyR
The ve hicle is secured at all fo ur
wheel sw it hs uit able te nsioning
st ra psR
The maximum permissible speed of
35 mp h( 60 km/h) is no te xc eeded
whe nt ra nsporting
u NO TE Dama ge to th ev ehicle from secur‐
ing it incor re ctly

Note sonn oise or unusua lh andling ch arac‐
te ri st ics
While driving ,p ay attention to vibrations, noises
and unusual handling ch aracteristics, e.g .p ulling
to one side. This ma yi ndicat et hat th ew heels or
tires ar ed amaged. If yo us uspect th at at ir ei s
defective, re duce yo ur spee di mmediatel y. St op
th ev ehicle as soon as possible to ch ec kt he
wheels and tires fo rd ama ge .H idden tir ed am ‐
ag ec ould also be causing th eu nusual handling
ch aracteristics. If yo uf ind no sign sofd am age,
ha ve th et ires and wheels ch ec ke dataq ualified
spec ialis tw or ks hop.
Re gular ch ecking of wheels and tires
q
WA RNING Risk of accident from dam‐
aged tires
Dama ge dt ires can cause tir ep re ssur el oss.
As ar esult, yo uc ou ld lose cont ro lofy our
ve hicle.

R
Impai re dd ri ving comfortR
Susceptibility to damage
q
WA RNING Risk of accident caused by
re peated drop in tir ep re ssure
If th et ir ep re ssur ed ro ps re peatedly ,t he
wheel, va lv eort ir em ay be damaged.
Insuf fi cient tir ep re ssur ec an cause th et ires
to bur st .

Fu rt her re lated subjects:R
No te sont ir ep re ssur e( →
pag e3 56)R
Ti re pressur et able ( →
pag e3 57 )R
Ti re and Loading In fo rm atio np lacard
( →
pag e3 61 )
Ti re pressur em oni to ri ng sy st em
Fu nction of th et ir ep re ssur em oni to ri ng sys‐
te m
q
DA NG ER Risk of acciden td ue to incor‐
re ct tir ep re ssure
Ever yt ire, including th es par e( if pr ov ided),
should be ch ec ke dw hen cold at leas to nc ea
mont ha nd inflated to th ep re ssur er ecom‐
mended by th ev ehicle manufacturer (see
Ti re and Loading In fo rm atio np lacar dont he
B-pi llar on th ed ri ve r’ ss ide or th et ir ep re s‐
sur el abel on th ei nside of th ef uel fi ller fl ap
of yo ur ve hicle). If yo ur ve hicle has tires of a
dif fe re nt size th an th es ize indicated on th e
Ti re and Loading In fo rm atio np lacar dort he tir ep re ssur et able, yo un ee dtod et ermine
th ep ro per tir ep re ssur ef or th ose tires.
As an added saf et yf eature, yo ur ve hicle has
been equipped wit hat ir ep re ssur em onitor‐
ing sy st em (TPMS) th at illuminates al ow tire
pressur ei ndicator lam pw hen on eorm or eo f
yo ur tires ar es ign if icantl yu nderinflated.
Ac cordingly ,ift he lo wt ir ep re ssur ei ndicator
lam pl ights up, yo us hould st op and ch eck
yo ur tires as soo nasp ossible, and inflate
th em to th ep ro per pressure. Driving on a
significantly underinflated tir ec auses th et ire
to ove rh eat and can lead to tir ef ailure.
Und erinflation also increases fuel consump‐
tion and re duces tir et re ad life, and may
af fe ct th ev ehicle's handling and braking abil‐
ity .P lease no te th at th eT PMS is no tas ubsti‐
tut ef or proper tir em aintenance, and it is th e
driver's re sponsibility to maintain cor re ct tire
pressure, eve nifu nderinflatio nh as not
re ached th el ev el to trig ge ri llumination of
th eT PMS lo wt ir ep re ssur ei ndicator lamp.
Yo ur ve hicle has also been equipped wit ha
TPMS malfunction indicator to indicat ew hen th es ys te misn ot operating properly .T he
TPMS malfunction indicator is combined with
th el ow tir ep re ssur ei ndicator lamp. When
th es ys te md et ects am alfunction, th ei ndica‐
to rl amp wil lf lash fo ra pp ro xima te ly am inute
and th en re main continuously illumina te d.
This sequence will continue upon subsequent
ve hicle st art-ups as lon gast he malfunction
ex ists.
When th em alfunction indicator is illumina‐
te d, th es yst em ma yn ot be able to de te ct or
signal lo wt ir ep re ssur easi ntended. TPMS
malfunctions ma yo ccu rf or av ariety of re a‐
sons, includin gt he ins ta llation of incompati‐
ble re placemen tora lternat et ires or wheels
on th ev ehicle th at pr eve nt th eT PMS from
functioning properly.
Alw ay sc hec kt he TPMS malfunction wa rn ing
lam pa ft er re placing one or mor et ires or
wheels on yo ur ve hicle to ensur et hat th e
re placemen tora lternat et ires and wheels
allo wt he TPMS to continu etof unction prop‐
er ly . Wheels and tires 359

Ste p1
Example 1E xa mp le 2
Combine dm aximum we ight of occupant sa nd
load (dat af ro mt he Ti re and Loading In fo rm ation
placard) 15 00 lbs (680 kg )1 500 lbs (680 kg )
Ste p2
Example 1E xa mp le 2
Numb er of people in th ev ehicle (driver and
occupants) 51
Distribution of th eo ccupant sF ro nt :2
Re ar :3 Fr ont :1
We ight of occupant sO ccupant 1: 15 0l bs (68 kg )
Occupant 2: 18 0l bs (82 kg )
Occupant 3: 16 0l bs (7 3k g)
Occupant 4: 14 0l bs (63 kg )
Occupant 5: 12 0l bs (5 4k g) Occupant 1: 200 lbs (9 1k g)
To ta lw eight of all occupant s7 50 lbs (340 kg )2 00 lbs (9 1k g)364
Wheels and tires

Preceding letter 1 :R
Wi th out :p assenger ve hicle tires according to
Europea nm an ufactu ri ng st andards.R
"P": passenger ve hicle tires according to US
manufacturing st andards.R
"LT": light truc kt ires accordin gtoUSm anu‐
fa cturing st andards.R
"T": compact emer ge ncy spa re wheels with
high tir ep re ssur et hat ar eo nly designe df or
te mp orar yu se in an emer ge ncy.
Aspec tr atio 3 :
Ra tio betwee nt ir eh eight and tir ew id th in per‐
cent (ti re height divided by tir ew id th ).
Tir ec od e 4 (ti re type):R
"R "r adial tireR
"D": bias ply tire R
"B": bias belted tires R
"ZR": ra dial tir ew it ham aximum speed abo ve
14 9m ph (240 km/h) (optional) Rim diame te r 5 :
The diam et er of th eb ead seat (no tt he diame te r
of th er im fl ange). The ri md iame te riss pecified
in inches (in).
Load-bearing index 6 :
Numerical code th at specifies th em aximum
load-bearing capacity of at ir e( e.g. "91" cor re ‐
sponds to 13 56 lbs (6 15 kg )).
The load-bearing capacity of th et ir em us tbea t
leas th alf th ep ermissible axle load of yo ur ve hi‐
cle. Do no to ve rl oad th et ires by exc eeding th e
specified load limit.
See also: R
Maximum permissible load on th eT ir ea nd
Loading In fo rm atio np lacar d( →
pag e3 61 )R
Maximum tir el oad ( →
pag e3 68 )R
Load ind ex
Speed ra ting 7 :
Specifie st he appr ov ed maximum speed of th e
tire.

Inde xS pee dr ating
ZR...Y 1
up to 18 6m ph (300 km/h)
ZR...(..Y) 1
ove r1 86 mp h( 300 km/h )
ZR 1
ove r1 49 mp h( 24 0k m/h)R
Specifying th es peed ra ting as th e" ZR" index
in tir ec ode 4 is optional fo rt ires up to
18 6m ph (300 km/h).R
If yo ur tir ec od e 4 includes "ZR" and th ere
is no speed ra ting 7 ,f ind out what th em ax‐
imum speed is from th et ir em anufacturer.R
If load-bearing index 6 and speed ra ting 7
ar einb ra ck et s, th em aximum speed ra ting of
yo ur tir eisa bo ve 18 6m ph (300 km/h). To
fi nd ou tt he maximum speed, ask th et ire
manufacturer. All-weather tires and winter tires
Inde xS pee dr ating
QM +S 2
up to 10 0m ph (160 km/h)
TM +S 2
up to 11 8m ph (190 km/h)
HM +S 2
up to 13 0m ph (2 10 km/h)
VM +S 2
up to 14 9m ph (240 km/h)
Wi nter tires bear th e M snowflak es ymbol
and fulfill th er equirements of th eR ubber Manu‐
fa cturer sA ssociation (RMA) and th eR ubber
Associatio nofC anada (RAC) re ga rd ing th et ire
traction on sno w.
Load index 8 : R
No specification given: st andar dl oad (SL)
tire R
"XL" or "Extra Load": ex tr al oa dt ir eorr ein‐
fo rc ed tire R
"Light Load": light load tire R
"C", "D", "E": al oad ra ng et hat depe nd so n
th em aximum load th at th et ir ec an car ry at a
cer ta in pressure
Definition of term sf or ti re sa nd loading
Ti re stru ctu re and ch aracteristics: describes
th en umber of la ye rs or th en umber of ru bber-
coated belts in th et ir ec on ta ct su rf ace and th e
tir ew all. These ar em ade of st eel, ny lon, poly‐
es te ra nd ot her materials.
Bar: metric unit fo rt ir ep re ssu re .
14 .5038 pounds per squar ei nc h( ps i) and
10 0k ilopasca l( kPa) is th ee qu ivalent of one bar.
DO T( Department of Tr anspo rt ation): DO T-
mar ke dt ires fulfill th er equirements of th e
US Department of Tr anspor ta tio n.
Av erag ew eight of th ev ehicle occupants: th e
numbe rofv ehicle occupants fo rw hi ch th ev ehi‐
cle is designed, multiplied by 15 0lb( 68 kg ).
1
"ZR" st ated in th et ir ec ode.2
Or "M+S M "f or winter tires Wheels and tires 37 1