width MERCEDES-BENZ SPRINTER 2020 MY20 with Base Radio Operator’s Manual

Information on noise or unusua
ldriving
ch aracteristics
Whil edriving, pa yattention tovibrations, noises
and unusual driving characteristics, e.g .pullin gto
one side. This ma yindicat edamag etothe wheels
or tires. If yous uspect that at ireisd efective,
re duce your speed. Stop thev ehicle as soon as
possible tocheckifw heels and tires ha vebeen
damaged or ar enolonger functioning properly.
Hidden tir edamag ecould also be causing the
unusual drivin gcharacteristics. If no signs of
dama gecan be de tected, ha vethet ires and
wheels checkedataq ualified specialis twork‐
shop. Note
sonr egular lyinspecting wheels and
tires &
WARNING Risk of accident from dam‐
aged tires
Dama gedt ires can cause tir epressur eloss.
As aresult, youc oul dlose control of your
ve hicle. #
Chec kthe tires regularly fors igns of
dama geand replace an ydamaged tires
immediatel y. Chec
kthe wheels and tires of your vehicle for
damag eregular ly,i .e. at leas tevery twow eeks,
as well as af terd riving off-road or on rough
ro ads. Damaged wheels can lead toaloss of tire
pressure.
Look out fort he following types of damage, for
ex ample:
R Cuts in thet ires
R Punctures in thet ires
R Tearsint he tires
R Bulges on tires
R Deformation or se vere cor rosion on wheels &
WARNING Risk ofhydroplaning because
tir et read is tool ow
Insuf ficient tir etread will result in reduced
tir et raction .The tir etread will no longer be
able todissipat ewater.
This increase sthe risk of hydroplaning on wet
ro ad sur faces, pa rticularly when tra veling at
an inappropriat espeed. If
th et irep ressur eist oo high or tool ow ,tires
ma yexhibit dif fere nt le vels of wear at dif fer‐
ent locations on thet iret read. #
Regular lych eckt he tir etread dep thand
th ec ondition of thet iret read across
th ee ntir ew idthofa ll tires.
Minimum tread dep thforu se:
R In summer: 00CEin (3 mm)
R In winter: 00CFin (4 mm) #
Fors afet yr easons, ha vethet ires
re placed befor ethe legally prescribed
limit fort he minimum tir etread dep this
re ached. Conduct
thef ollowing checks regular lyon all
wheels, at leas tonce amonthorasr equired, e.g.
befor ealong journe yorwhen driving off- road:
R Chec kthe tir epressur e(/pag e224 )
R Chec kthe valvec aps
Va lves mus tbeprotected from moistur eand
dir tw ithv alvec apss pecifically appr oved by
Mercedes-Benzf oryour vehicle.
R Visually inspect thet read dep thand thet ire
tread across thew hole tir ewidth
Fo ru se in summer ,the minimum tread dep th
is 00CE in (3 mm) and foru se in winter 00CFin
(4 mm). Markings
1showinw hichp laces theb ar indica‐
to rs (ar row )are integ ratedi ntot he tir etread.
The yarevisible as soon as thet read dep this
appr oximately 00CDin (1.6 mm). Information on driving wit
hsummer tires
At temp eratures belo w50°F(10°C) Summer
tires lose elasticit yand therefor etraction and
braking po wer.Chan gethet ires on your vehicle
to M+S tires. Using summer tires at very cold
te mp eratures could cause tear stof orm, thereby
damaging thet ires permanentl y.Mercedes-Benz 222
Wheels and tires

#
Obser vethet irel oad rating and speed
ra ting requ ired fory our vehicle. 1
Prefixing letter
2 Nominal tir ewidthinm illimeters
3 Aspect ratio (i npercent)
4 Tire code
5 Rimd iame ter
6 Load-bearing index
7 Speed rating
8 Loadind ex
% The dat
ashown in thei llustration is sample
data.
Fu rther information about reading tir edatac an
be obtaine dfroma nyqualified specialis twork‐
shop.
Prefixing letter 1
1:
R "LT": light truc ktires in accordance wit hUS
manufacturer standards.
R "C": tires forc ommercial usage in accordance
wit hE uropean manufacturer standards.
Aspect ratio (i npercent) 3 3:
The size ratio betwee nthe tir eheight and tire
widt hand is shown in percent (tir eheight divided
by tirew idth ).
Ti re code 4 4(tiretype):
R "R": radial tire
Rim diam eter 5 5:
The diame teroft he bead seat (no tthe diame ter
of ther im flange). The rimd iame teriss pecified in
inches (in).
Load-bearing index 6 6:
Numerical code whic hspecifies them aximum
load-bearing capacity of atire( "91" equals, e.g.
13 56 lb (6 15kg)).
The tir eload-bearing capacit ymustbeatl east
half theg ross axle weight rating of thev ehicle. Do no
toverload thet ires byexceeding them axi‐
mum permissible load.
See also:
R Maximum permissible load on theT irea nd
Loading In form atio nplacar d(/pag e231 )
R Maximum tir eload (/ page235)
R Load index
Spee drating 7
7:
Specifies thea ppr ove dm aximum speed of the
tire.
% An electroni
cspeed limiter pr events your
ve hicle from exceeding aspeed of 130m ph
(2 10 km/h).
Ensu rethat your tires ha vether equired speed
ra ting .You can obtain information on the
re qu ired speed rating at an au thorized Mercedes-
Benz Center.
Summer tires Inde
xS peedrating
LU pto75mph (120 km/h)
MU pto81mph (130 km/h)
NU pto87mph (140 km/h)
PU pto93mph (150 km/h)
QU pto100mph(160k m/h)
RU pto106mph(170k m/h) Summer
,all-season and winter tires Inde
xS peedrating
LM +S1
Upto75 mph(120k m/h)
MM +S1
Upto81 mp h(130k m/h)
NM +S1
Upto87 mph(140k m/h)
PM +S1
Upto93 mph(150k m/h)
QM +S1
Upto100m ph (160 km/h)
RM +S1
Upto118m ph (170 km/h) 1
:or" M+S 004D"f or winter tires
Wi nter tires ar emarke dw itht he 004D snowflake
symbol and fulfill ther equirements of theR ubber
Manufacturer sAssociation (RMA) and theR ubber
Associatio nofCanada (RAC) rega rding thet ire
traction on sno w. 236
Wheels and tires

Aspec
tratio: relationship between tir eheight
and tir ewidthinp ercent.
Ti re pressure: pressureinside thet irea pplying
an outwar dforce toeve rysquar einc hoft he
tire's sur face. The tir epressur eiss pecified in
pounds per squar einc h( psi), in kilopascal (kPa)
or in bar .The tir epressur eshoul donlybec orrec‐
te dw hen thet ires ar ecold.
Ti re pressur eoncoldt ires: thet ires ar ecold
when thev ehicle has been par kedw itht he tires
out of direct sunlight foratl east thre eh our sand
th ev ehicle has been driven less than 1m ile
(1.6 km).
Ti re contact sur face: thep artoft he tir ethat
comes int ocontact wi th theroad.
Ti re bead: thep urpose of thet ireb ead is to
ensur ethat thet ires its securel yonthe wheel
ri m. Ther eareseveralw irec ores in thet ireb ead
to preve ntthet iref romc hanging lengt honthe
whee lrim.
Sid ew all: thep artoft he tir ebetwe en thet read
and thet ireb ead.
Special equipment weight: thec ombined
we ight of those optional extras that we igh more
th an ther eplaced standar dparts and mor ethan
5l bs (2. 3kg). These optiona lextras ,suc has
high-pe rformance brakes, le velc ontrol sy stem, a
ro of luggag erackorah igh-perform anc ebatter y,
ar en otincluded in thec urb weight and the
we ight of thea ccessories.
TIN (Tir eIdentification Number): auniqu eiden‐
tification number whic hcan be used byatire
manufacturer toidentify tires, fore xamp lefora
product recall, and thus identif ythe pur chasers.
The TIN is made up of them anufacturer identifi‐
cation code, tir esize, tir etype code and them an‐
ufacturing date.
Load-bearing index: thel oad-bearing inde x(also
load index) is acode that con tains them aximum
load-bearing capacity of atire.
Tr action: traction is ther esult of friction between
th et ires and ther oad sur face.
We ar indicator: narrow bars(tread wear bars)
th at ar edistributed overthe tir etread. If thet ire
tread is le velw itht he bars, thew ear limit of
1/1 6in( 1.6m m) has been reached.
Distribution of vehicl eoccupants: distribution
of vehicle occupants over designated seat posi‐
tions in avehicle. Maximum permissible pa
yload weight: nomi‐
nal load and luggag eload plus 150lbs (68 kg)
multiplied bythen umber of seats in thev ehicle. Changing
awheel Note
sons electing, installing and replacing
tires Yo
uc an ask fori nformation rega rding permit ted
wheel/tir ecombinations at aqualified specialist
wo rkshop. &
WARNING Risk of accident du etoincor‐
re ct size sofwheels and tires
If wheels and tires of thew rong size ar eused,
th ew heel brakes or wheel suspension com‐
ponents ma ybedamaged. #
Alwaysr eplace wheels and tires with
ones that fulfill thes pecification softhe
original part.
Fo rw heels, pa yattention tothef ollowing:
R Designation
R Type
R Perm issible wheel load
R Wheel of fset
Fo rtires, pa yattention tothef ollowing:
R Designation
R Manufacturer
R Type
R Load-bearing index
R Speed rating &
WARNING Risk of inju rythro ugh exceed‐
ing thes pecified tir eload rating or the
permissible speed rating
Exceeding thes pecified tir eload rating or the
permissible speed rating ma ylea dtot ire
dama geand tothet ires bur sting. #
Therefore, onl yuse tir etypes and sizes
appr ovedfor your vehicle model. #
Obser vethet irel oad rating and speed
ra ting requ ired fory our vehicle. 238
Wheels and tires