Page 321 of 422

#
Chec kwhether thew heel or valveh as a
leak. #
Ifyo ua reunabl etorectify thed amage,
contact aqualified specialis tworks hop. Yo
uc an find information on recommended tire
pressures fort he vehicle's factor y-ins talled tires
on thef ollowing labels:
R Tire and Loadin gInforma tionp lacar dont he
B‑pi llarofyour vehicle (/ page302).
R Tire pressur etable on thei nside of thef uel
fi ller flap .
Obse rvet he maximum tir epressure
(/ page307).
Use asuitable tir epressur egaug etoc heckthe
tir ep ressure. The ou tera ppearance of atired oes
no tp ermit an yreliable conclusion about thet ire
pressure.
+ ENVIRONMEN
TALN OTE Environmental
damag eduetoinsuf ficient or excessive
tir ep ressure No
tethat insuf ficient or excessiv etirep res‐
sur eshor tens thes ervice lif eofthe tires. #
Forthis reason ,chec kthe tir epressure
re gularly ;atleastevery 14 days. Ve
hicles with atirep ressur emonitor: youc an
also checkt he tir epressur eusing theo n-board
computer.
Onl ycorrect tir epressur ewhent he tires are
cold. Conditions forc old tires:
R The vehicle has been par kedw itht he tires out
of direct sunlight foratl east thre eh ours.
R The vehicle has tr aveled less than 1m ile
(1.6 km).
Ar ise in thet iret emperatur eof18°F( 10°C)
increases thet irep ressur ebya pprox.10k Pa
(0. 1b ar/1.5 psi). Take this int oaccount when
ch ecking thet irep ressur eofw armt ires.
The tir epressur erecommended fori ncreased
load/spee dinthe tir epressur etable ma yaffect
th er ide comfort. &
WARNING Risk of accident du eto
unsuitable accesso ries on tir evalve
If yo um ountunsuitable accesso ries ont otire
va lves, thet irev alves ma ybeoverloaded and malfunction
,whic hc an cause aloss of tire
pressure. Af term arke ttirep ressur emonitor‐
ing sy stems will cause thet irev alvetor emain
open ,depending on thed esign. This can also
re sult in aloss of tir epressure. #
Only scr ewstandar dvalvec aps or valve
cap sspecifically appr ovedbyM ercedes-
Benz fory our vehicle ont othe tir evalve. Note
sont owing atrailer
The applicable tir epressures fort he tires of the
re ar axle is alw ayst he recommended tir epres‐
sur efor afull load. Ti
re pressur etable The tir
epressur etable can be found on thes eat
base or on theB ‑pillar on thed rive r's side.
% The dat
ashown in thei mages is example
data. The tir
epressur etable sho ws therecommended
tir ep ressu refort he tires ins talled at thef actory
on this vehicle. The recommended tir epressures
ar ev alid forc old tires and dif fere nt vehicle load
conditions.
If one or mor etires izes precede atirep ressure,
th et irep ressur einformation following is only
va lid fort hose tir esizes.
If th ep receding tir esizes ar esupplemented by
the 0091 symbol, thet irep ressur einformation
fo llowing sho wsalternativ etirep ressures.
The load condition s"partiall yladen "and "fully
laden "aredefine dinthetable forv arying
we ights.
Som etirep ressur etables onl yshowt he rim
diame teri ns tead of thec omple tetires ize, e.g.
R16.T herimd iame terisp artoft he tir esize and
can be found on thes ide wall of thet ire
(/ page307). Wheels and tires
297
Page 322 of 422

Fr
ont axle tir epressures on vehicles with all-wheel/rear wheel driv eand single tires
Max. front axle load 4101 lbs (1860 kg) Ti
re s/disc wheel Vehicl eload Max. front axle load
4101 lbs (1860 kg)
LT 24 5/75R1 6120/1 16QF ullyladen 320k Pa(3.2b ar/46 psi) Fr
ont axle tir epressures on vehicles with rear wheel driv eand single tires
Max. front axle load 4409 lbs (2000 kg) Ti
re s/disc wheel Vehicl eload Max. front axle load
4409 lbs (2000 kg)
LT 24 5/75R1 6120/1 16QF ullyladen
360k Pa(3.6b ar/52 psi) 1) 1)
Only valid forv ehicles wit halong wheelbase
17 1in( 4350 mm) and apermissible gross weight
of ove r7716l bs (3. 5t).
Re ar axle tir epressures on vehicles with all-wheel/rear wheel driv eand single tires
Max. rear axle load 535 7lbs (2430 kg) Ti
re s/disc wheel Vehicl eload Max.rear axle load
535 7lbs (2430 kg)
LT 24 5/75R1 6120/1 16QF ullyladen 480k Pa(4.8b ar/70 psi)
LT 24 5/75R1 6120/1 16 Q
Partiall yladen 2)
420 kPa(4.2b ar/6 1psi)2) 2)
It is onl ypermissible touse this reduced tire
pressur eifitcan be guaranteed byweighing the
ve hicle that ther ear axle load of 4960 lbs (2250
kg)w ill no tbee xceeded. In case of doubt,
inflat eto4 80 kPa(4.8 bar/70 psi).
Fr ont axle tir epressures on vehicles with all-wheel/rear wheel driv eand twin tires
Max. front axle load 4079 lbs (1850 kg)Ti
re s/disc wheel Vehicl eload Max. front axle load
4079 lbs (1850kg)
LT 21 5/85R1 6115/112 QF ullyladen 380k Pa(3.8b ar/55 psi) Max. front axl
eload 4409 lbs (2000 kg) Ti
re s/disc wheel Vehicl eload Max. front axle load
4409 lbs (2000 kg)
LT 21 5/85R1 6115/112 QF ullyladen 420k Pa(4.2b ar/ 61psi) 298
Wheels and tires
Page 323 of 422

Max. front axle load 4630 lbs (2
100k g) Ti
re s/disc wheel Vehicl eload Max. front axle load
4630 lbs (2100k g)
LT 21 5/85R1 6115/112 QF ullyladen 450k Pa(4.5b ar/65 psi) Re
ar axle tir epressures on vehicles with all-wheel/rear wheel driv eand twin tires
Max. rear axle load 7055 lbs (3200 kg)Ti
re s/disc wheel Vehicl eload Max.rear axle load
up to7055 lbs (3200 kg)
LT 21 5/85R1 6115/112 QF ullyladen 370k Pa(3.7 bar/5 4psi) Max.
rear axle load 7716 lbs (3500 kg) Ti
re s/disc wheel Vehicl eload Max.rear axle load
77 16 lbs (3500 kg)
LT 21 5/85R1 6115/112 QF ullyladen 400k Pa(4.0b ar/58 psi) Max.
rear axle load 793 7lbs (3600 kg) Ti
re s/disc wheel Vehicl eload Max.rear axle load
793 7lbs (3600 kg)
LT 21 5/85R1 6115/112 QF ullyladen 420k Pa(4.2b ar/ 61psi) Fr
ont axle tir epressures on vehicles with Super Single tires
Max. front axle load 4079 lbs (1850 kg)Ti
re s/disc wheel Vehicl eload Max. front axle load
4079 lbs (1850kg)
225/75R16C 121/120R (122L) Fullyl aden 340 kPa(3.4b ar/4 9psi) Max
.fro nt axle load 4409 lbs (2000 kg) Ti
re s/disc wheel Vehicl eload Max. front axle load
4409 lbs (2000 kg)
225/75R16C 121/120R (122L) Fullyl aden 370k Pa(3.7 bar/5 4psi) Wheels and tires
299
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Re
ar axle tir epressures on vehicles with rear wheel driv eand Super Single tires
Max. rear axle load 7055 lbs (3200 kg)Ti
re s/disc wheel Vehicl eload Max.rear axle load
7055 lbs (3200 kg)
225/75R16C 121/120R (122L) Fullyl aden
690 kPa(6.9b ar/100 psi) 3)
285/65R16C 131R Fully laden 460 kPa(4.6b ar/6 7psi) Max
.rear axl eload 7716 lbs (3500 kg) Ti
re s/disc wheel Vehicl eload Max.rear axle load
77 16 lbs (3500 kg)
225/75R16C 121/120R (122L) Fullyl aden
690 kPa(6.9b ar/100 psi) 3)
285/65R16C 131R Fully laden 520 kPa(5.2b ar/7 5psi) 3)
Va lid touse foras horttime as aspar ew heel
on ther ear axle foram aximu mdista nce of
62 miles (100 km) and amaximum speed of
34 mph(55 km/h).
Be sur etoalso obse rvet he following fur ther rela‐
te ds ubjects:
R Notesont irep ressur e(/pag e296)
R Tire and Loadin gInforma tionp lacard
(/ page302)
R Maximum tir epressur e(/pag e307) Ti
re pressur emonitor Fu
nction of tir epressur emonitor on single
tires &
DANG ER Risk of acciden tdue toincor‐
re ct tir epressure
Ever ytire, including thes par e(if pr ovided),
should be checkedw hen cold at leas toncea
mont hand inflated tothep ressur erecom‐
mended bythev ehicle manufacturer (see Tire
and Loadin gInforma tionp lacar dont he B-pil‐
lar on thed rive r’ss ide or thet irep ressure
label on thei nside of thef uel filler flap of your
ve hicle). If your vehicle has tires of adiffe re nt
size than thes ize indicated on theT irea nd
Loading In form atio nplacar dort he tirepres‐
sur etable, youn eedtod etermine thep roper
tir ep ressur efor those tires.
As an added saf etyf eature, your vehicle has
been equipped wit hatirep ressur emonitor‐ ing sy
stem (TPMS) that illuminates alow tire
pressur eindicator lam pwhen one or mor eof
yo ur tires ar esignificantl yunde rinfla ted.
Ac cording ly,ift he lo wtirep ressur eindicator
lam plights up, yous houl dstopa nd check
yo ur tires as soon as possible, and inflate
th em tothep roper pressure. Driving on asig‐
nificant lyunde rinfla tedt irec auses thet ireto
ove rheat and can lead totiref ailure. Underin‐
fl atio nalso inc reases fuel consum ption and
re duces tir etread life, and ma yaffect the
ve hicle's handling and braking ability .Please
no te that theT PMS is no tasubstitut efor
proper tir emaintenance, and it is thed rive r's
re sponsibility tomaintain cor rect tir epres‐
sure, evenifu nderinflation ha snotreached
th el eve ltot rigger illumination of theT PMS
lo wt irep ressur eindicator lamp.
Yo ur vehicle has also been equipped wit ha
TPMS malfunction indicator toindicat ewhen
th es ystemisn otoperating proper ly.T he
TPM Smalfunction indicator is combined wi th
th el ow tirep ressur eindicator lamp. When
th es ystemd etects amalfunction, thei ndica‐
to rlam pw illf lash fora pproxima tely am inute
and then remain continuously illumina ted.
This sequence will continue upon subsequent
ve hicle start-ups as lon gasthe malfunction
ex ists.
When them alfunction indicator is illuminated,
th es ystemm aynotbea bletodetect or sig‐
nal lo wtirep ressu reas intended. TPMS mal‐
function smayoccur forav ariety of reasons,
includin gthe ins tallation of incompatible 300
Wheels and tires
Page 325 of 422

re
placement or alternat etires or wheels on
th ev ehicle that pr event theT PMS from func‐
tionin gproper ly.
Alw aysc hec kthe TPMS malfunction warning
lam pafter replacing one or mor etires or
wheels on your vehicle toensur ethat the
re placement or alternat etires and wheels
allo wthe TPMS tocontinu etofunction prop‐
er ly. The sy
stem checks thet irep ressur eand thet em‐
peratur eofthe tires ins talled tothev ehicle by
means of atirep ressur esensor.
Ne wt irep ressur esensors, e.g. in winter tires,
ar ea utomatically taught-in thef irst time they are
driven.
The tir epressur eand thet iret emperatur eappear
in them ultifunction displa y(/pag e168).
If th er eisas ubstantia llos soft irep ressure, a
wa rning is issued:
R via displa ymessages (/ page352)
R viathe 0077 warning lam pinthe instrument
clus ter
It is thed rive r's responsibility tosetthe tir epres‐
sur etot herecommended cold tir epressur esuit‐
able fort he operating situation. Se tthe tir epres‐
sur efor cold tires using atirep ressu regauge.
No tethat thec orrect tir epressure fort he cur rent
ope rating situatio nmustfirst be taught-in tothe
tir ep ressur emonitoring sy stem.
In mos tcases, thet irep ressur emonitoring sys‐
te mw illa utomatically updat ethe ne wreference
va lues af tery ou ha vechanged thet irep ressure.
Yo uc an,h owe ver,also updat ethe refere nce val‐
ues byrestartin gthe tir epressur emonitoring
sy stem manually (/ page302).
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R ifth et irep ressur eiss etincor rectly
R ifth er eisas udden pressur eloss caused by a
fo re ign object penetrating thet ire, fore xam‐
ple
R ifth er eisam alfunction caused byano ther
ra dio signal source
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubject:
R Notesont irep ressur e(/pag e296) Checking
thet irep ressur ewitht he tir epres‐
sur em onitoring sy stem
Requ irements:
R The ignition is switched on
On-boar dcomputer:
4 Service 5
Tires
One of thef ollowing displa ysappears:
R The cur rent tir epressur eand tir etempera‐
tur eoft he individual wheels Instrument Displa
ywithc olor display
R The cur rent tir epressur efor eac hwheel Instrument Displa
ywithb lack and whit edisplay
R Tire pressure will be displaye dafter driving a
few minutes :the teach-in process of thes ys‐
te misn otyetc ompl ete. The tir epressur eare
already being monitored. #
Compar ethe tir epressur ewitht he recom‐
mende dtirep ressur efor thec urrent ope rat‐
ing condition .Obser vethen otes on tir etem‐
peratur e(/pag e296).
% The
values displa yedint he multifunction dis‐
pla ym aydeviat efromt hose of thet irep res‐
sur egaug east heyr efer tosea le vel.At high
altitudes, thet irep ressur evalues indicated
by ap ressur egaug earehigher than those
shown bytheo n-boar dcomputer .Inthis
case, do no treduce thet irep ressure. Wheels and tires
301
Page 326 of 422

Mak
esuretoo bservethef ollowing fur ther rela‐
te ds ubject:
R Notesont irep ressur e(/pag e296)
Rest arting thet irep ressur emonitor
Requ irements:
R The recommended tir epressur eisc orrectly
se tfor ther espectiv eoperating condition on
eac hoft he wheels (/ page296).
R Re
star tt he tir epressur emonitoring sys‐
te mi nthe following situations:
- The tir epressur ehaschanged.
- The wheels or tires ha vebeen changed or
newl yins talled.
On-boar dcomputer:
4 Service 5
Tires #
Scroll down in them enu.
The Use Current Pressures as New Refer-
ence Values messageappear sinthe multi‐
function displa y. #
Con firm them essag etoinitiat earestart.
The Tire Press. Monito rRestarted message
appear sinthe multifunction displa y.
Cur rent wa rning messages ar edeleteda nd
the 0077 yello ww arning lam pgoes out.
Af tery ou ha vedriven foraf ewminutes, the
sy stem checks whe ther thec urrent tir epres‐
su resa rewithin thes pecified range. The cur‐
re nt tir epressures ar ethen accep tedasr ef‐
erence values and monitored.
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubject:
R Notesont irep ressur e(/pag e296) Ra
dio-equipment appr oval of thet irep res‐
sur em onitoring sy stem
Ra dio equipment appr oval numbers Countr
yRadio equipment appr oval
number
Canada IC: 4008C- TSSRE4A
Ope ratio niss ubject tothef ollow‐
ing tw oconditions:
(1) this device ma ynotcause
harmful inter fere nce, and
(2) this device mus tacce ptany
inter fere nce received, including
inter fere nce that ma ycause
undesired operation.
Mexic oM odel:TSSRE4A &TSSSG4G6,
IFETEL: RLVHUTS17-0806
US AF CC ID:YGO TSSRE4A
Thi sd evice complie swithP art15
of theF CC Rules. Operation is
subjec ttothefollowing tw ocon‐
ditions: (1) this device ma ynot
cause harmful inter fere nce, and
(2) this device mus tacce ptany
inter fere nce received, including
inter fere nce that ma ycause
undesired operation.
WA RNING: An ychanges or modifi‐
cation no texpressly appr ovedby
th ep arty responsible forc ompli‐
ance could void theu ser's author‐
ity tooperat ethis equipment. Loading the
vehicle Ti
re and Loading Information placard &
WARNING Risk of an accident whe ndriv‐
ing wi than ove rloaded tire
Overloaded tires ma yoverheat and bur stas a
consequence. Overloaded tires can also
impair thes teering and handling characteris‐
tic sa nd lead tobrak efailure. #
Obser vethel oad rating of thet ires. #
The load rating mu stbe at leas thalf the
gros saxle weight rating of thev ehicle.
Mercedes-Ben zrecommends youu se
th el oad-bearing index, whic hisgiven in
th ev ehicle documents. 302
Wheels and tires
Page 327 of 422

#
Nevero verload thet ires by exc eeding
th em aximum load. Onl
yvehicles wit hagross vehicle weight of less
th an 10,000 lbs (4,53 6kg) ha veaT irea nd Load‐
ing In form atio nplacar dont he B-pillar on thed riv‐
er's side. 1
Tire and Loadin gInforma tionp lacard %
The dat
ashown in thei llustration is sample
data.
The Tire and Loadin gInforma tionp lacar dshows:
R The maximum number of seats indicates the
maximu mnumber of occupants permitted to
tr ave lint hevehicle.
R The maximum permissible load equals the
gros sweight of all vehicle occupants, thel ug‐
ga ge and cargo.
R The recommended tir epressures forc old
tires. The recommended tir epressures apply
to them aximum permissible load and up to
th em aximum permissible speed of thev ehi‐
cle.
Also obser vethef ollowing information:
R The information about permissible weight son
th ev ehicle identification plat e(/pag e323).
R The information about tir epressur eont he
tir ep ressur etable .
Ad ditional related subjects:
R Determ inin gthe maximum load
(/ page303).
R Notesont irep ressur e(/pag e296). De
term ining them aximum load The
following steps ha vebeen de veloped as
re qu ired of all manufacturer sunder Title 49,
Code of U.S. Federal Regulations, Part57 5in
accordance wit hthe "National Traf fica nd Mo tor
Ve hicle Saf etyA ct of 1966." #
Step1:loca tethes tatement, "The combined
we ight of occupant sand cargo should ne ver
exc eed XXX kgor XXX lbs." on theT irea nd
Loading In form atio nplacar dofy ourvehicle. #
Step2:de term ine thec ombined weight of
th ed rive ra nd passenger sthat will be tra vel‐
ing in your vehicle. #
Step3:subtract thec ombined weight of the
driver and passenger sfromX XXkgor
XXX lbs. #
Step4:th eresulting figur eequals thep er‐
missible amount of cargo and luggag eload
capacity .For example, if the" XXX" amount
equals 1,400 lbs and ther ew ill be five 150lb
passenger sinyourvehicle, thea mount of
av ailable cargo and luggag eload capacity is
65 0lbs (1,40 0–750 (5 x150) =650 lbs). #
Step5:de term ine thec ombined weight of
luggag eand cargo being loaded on thev ehi‐
cle. Fors afet yr easons, this we ight mus tnot
exc eed thec argo and luggag eload capacity
calculated in step 4.
Even if youh avec alculated thet otal load care‐
full y,yo us houl dstillm akes uret hat them axi‐
mum permissible gross weight and them aximum
gross axle weight rating of your vehicle ar enot
exc eeded. Information fort his can be found on
th ev ehicle identification plate. #
Weigh thel aden vehicle, including driver ,pas‐
senger sand load, on asuitable vehicle weigh‐
bridge.
The measured values mus tnotexc eed the
maximu mpermitted values lis tedont hevehi‐
cle identification plate.
Ad ditional related subjects:
R Sample calculation ford eterminin gthe maxi‐
mum load (/ page304)
R Tire and Loadin gInforma tionp lacard
(/ page302)
R Tire pressur etable
R Vehicle identification plate Wheels and tires
303
Page 328 of 422

Sample calculation
ford eter mi ning them axi‐
mu mload The
following table has examples of ho wtocalcu‐
la te tota la nd cargo load capacities wit hvarying
seatin gconfigurations and dif fere nt number sand
size sofo ccupants. The following examples use a
maximum load of 1,500 lbs (680 kg).This value is
fori llustrativ epurposes on ly.Mak esurey ou
ar eu singthe actual load limit fory our vehicle
st ated on your vehicle's Tire and Loadin gInfor‐
mation pl acard( / pag e302).
The highe rthe weight of all theo ccupants, the
smaller them aximum load forl ug gage.
Ste p1 Example
1E xamp le 2
Combine dmaximum weight of
occupant sand load (dat afrom
th eT irea nd Loading In form a‐
tio np lacard) 15
00 lbs (680 kg)1 500 lbs (680kg) Ste
p2 Example
1E xamp le 2
Numb er of people in thev ehicle
(driver and occupants) 51
Distribution of theo ccupant sFront:2
Re ar:3 Fr
ont :1
We ight of occupant sO ccupant 1:150lbs (68 kg)
Occupant 2: 180lbs (82 kg)
Occupant 3: 160lbs (7 3kg)
Occupant 4: 140lbs (63 kg)
Occupant 5: 120lbs (5 4kg) Occupant 1: 200 lbs (9
1kg)
To talw eight of all occupant s750 lbs (340 kg)2 00 lbs (91kg) Ste
p3 Example
1E xamp le 2
Pe rm issible load (maximum
gross vehicle weight rating from
th eT irea nd Loading In form a‐
tio np lacar dminus theg ross
we ight of all occupants) 15
00 lbs (680 kg)00F875 0lbs
(340 kg)=7 50 lbs (340 kg)15
00 lbs (680 kg)00F8200 lbs
(9 1k g)=1 300 lbs (589 kg) 304
Wheels and tires