Page 249 of 348

Insuf
ficient tir epressur ecan cause thet ires
to bur st. #
Inspect thet iref or signs of fore ign
objects. #
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
pressur efor thev ehicle's factor y-ins talled tires
on thef ollowing labels:
R Tire and Loadin gInforma tionp lacar dont he
B‑pi llarofyour vehicle (/ page253).
R Tire pressur etable on thei nside of thef uel
fi ller flap .
Obse rvet he maximum tir epressure
(/ page257).
Use asuitable pressur egaug etoc heckthe tire
pressure. The outer appearance of atired oes not
permit an yreliable conclusion about thet ire
pressure.
+ ENVIRONMEN
TALN OTE Environmental
damag eduetoinsuf ficient or excessive
tir ep ressure Insuf
ficient or excessiv etirep ressur eshort‐
ens thes ervice lif eofthe tires. #
Chec kthe tir epressur eregularly ,but at
leas tevery 14 days. Ve
hicles with atirep ressur emonitor: youc an
also checkt he tir epressur eusing theo n-board
computer.
Onl ychec ktirep ressur ewhen thet ires ar ecold.
Condition sfor cold 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 ,the tir evalves 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 railer operation
The applicable tir epressur efor thet ires of the
re ar axle is alw ayst he recommended tir epres‐
sur efor afull load. Overvie
wofthe tirepressur 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 ressur efor thet ires 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
(/ page257). Wheels and tires
247
Page 250 of 348

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 forv ehicles wit hall-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) 248
Wheels and tires
Page 251 of 348

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 forv ehicles wit hall-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
249
Page 252 of 348

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)
285/65R16C 131R Fullyl aden 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)
285/65R16C 131R Fullyl aden 520 kPa(5.2b ar/7 5psi) Be sur
etoalso obse rvet he following fur ther rela‐
te ds ubjects:
R Notesont irep ressur e(/pag e246)
R Tire and Loading In form atio nplacard
(/ page253)
R Maximum tir epressur e(/pag e257) Overvie
wofthe tirepressur etable fore me rgency spa rewheels Ti
re s/emer gency spar ewheel Air pressur eIncombination with vehicle
tires
225/7 5R16C1 21/120R (122L) 1)
370k Pa(3.7 bar/5 4psi) 225/7 5R16C1 21/120R (122L)
225/7 5R16C1 21/120R (122L) 1)
690 kP a(6.9 bar/100 psi) 285/65 R16C 131R 1)
Va lid touse foras horttime as an emer gency
spa rewheel on Super Sin glev ehicles forad is‐
ta nce of maximum 100km( 62 miles) and at a
maximu mspee dof55k m/h (34 mph). Ti
re pressur emonitoring sy stem Fu
nction of thet irep ressur emonitor on sin‐
gl et ires &
DANG ER Risk of acciden tdue toincor‐
re ct tir epressure
Eac htire, including thes par e(if pr ovided),
should be checkedm onthl ywhen cold and
inflated tothei nflation pressur erecommen‐
ded bythev ehicle manufacturer on thev ehi‐
cle placar dortirei nflation pressur elabel. (If
yo ur vehicle has tires of adiffe re nt size than
th es ize indicated on thev ehicle placar dor
tir ei nflation pressur elabel, yous houl ddeter‐ mine
thep roper tir einflation pressur efor
th ose 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 etelltale when one or mor eofyour
tires is significantl yunde r-inflated. Accord‐
ingly ,whent he lo wtirep ressur etelltale illu‐
minates, yous houl dstopa nd checky our tires
as soon as possible,a nd inflatethem tothe
proper pressure. Driving on asignificantly
under-inflated tir ecauses thet iretoo verheat
and can lead totiref ailure. Under-inf lation
also reduces fuel ef ficiency and tir etread life,
and ma yaffect thev ehicle's handling and
st opping ability .Please no tethat theT PMS is
no tas ubstitut efor proper tir emaintenance,
and it is thed rive r's responsibility tomaintain
cor rect tir epressure, evenifu nder-inflation 250
Wheel sand tires
Page 253 of 348

has no
treached thel eve ltot rigger illumina‐
tion of theT PMS lo wtirep ressur etelltale.
Yo ur vehicle has also been equipped wit ha
TPMS malfunction indicator toindicat ethat
th es ystem is no toperating properly .The
TPMS malfunction indicator is combined with
th el ow tirep ressur etelltale. When thes ys‐
te md etects amalfunction, thei ndicator lamp
will flash fora pproxima tely one minut eand
th en 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 ystem ma ynotbe able todetect or sig‐
nal lo wtirep ressur easi ntended. TPM Smal‐
functions ma yoccu rfor av ariety of reasons,
includin gthe ins tallation of replacement or
alternat etires or wheels on thev ehicle that
pr ev ent theT PMS from functioning properly.
Alw aysc hec kthe TPMS malfunction telltale
af te rr eplacing one or mor etires or wheels on
yo ur vehicle toensur ethat ther eplacement
or alternat etires and wheels allo wthe TPMS
to continu etofunction properly. The sy
stem checks thet irep ressur eand thet em‐
peratur eofthe tires ins talled on thev ehicle by
means of atirep ressur esensor.
Ne wt irep ressur esensors, e.g. in winter tires,
ar ea utomatically taught-in during thef irst jour‐
ne yt heya reused.
The tir epressur eand thet iret emperatur eappear
in them ultifunction displa y(/pag e176).
If th er eisas ubstantia llos soft irep ressure, a
wa rning is issued:
R Viad ispla ymessages (/ page305)
R Viat he 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 epressur efor thec urrent
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 (/ page252).
Sy stem limits
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
R Ifth er eisac hangeoft ires ize Wheel
sand tires 251
Page 254 of 348

Mak
esuretoo bservethef ollowing fur ther rela‐
te ds ubject:
R Notesont irep ressur e(/pag e246)
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 epressures
ar ea lready being monitored. #
Compar ethe tir epressur ewitht he recom‐
mende dtirep ressur efor thec urrent ope rat‐
ing condition (/ page 247). Obse rvet he
no tesont iret emperatur e(/pag e246).
% 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.
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubject:
R Notesont irep ressur e(/pag e246)
Rest arting thet irep ressur emonitor
Requ irements:
R The recommended tir epressu reis cor rectly
se tfor ther espectiv eoperating condition on
eac hoft he wheels (/ page246).
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. 252
Wheels and tires
Page 255 of 348

Mak
esuretoo bservethef ollowing fur ther rela‐
te ds ubject:
R Notesont irep ressur e(/pag e246)
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. #
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 epressu resf or cold
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 e274).
R The informatio nabout tir epressu reon the
tir ep ressur etable . Wheels and tires
253
Page 256 of 348

Ad
ditional related subjects:
R Determ inin gthe maximum load
(/ page254).
R Notesont irep ressur e(/pag e246). Ste
pstodeterm ining thec orrect critica lload The
following steps ha vebeen de veloped as
requ 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. #
Step6: 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 etermining them axi‐
mum load (/ page254)
R Tire and Loadin gInforma tionp lacard
(/ page253)
R Tire pressur etable
R Vehicle identification plate 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 e253).
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) 254
Wheels and tires