Trac
tion
Tra ctio nis the resultof frictio nbe twe enthe
tire sand theroadsu rfa ce. TWR
(Tongue We ight Ratin g)
The TWRsp eci fiesthe maxim um permi ssible
we ight tha tthe ball coupling ofthe trailer tow
hitch cansupport. Tread
wearindicators
Narrow bars(tread wearbars) thatare
distributed overthetire tread. Ifthe tire tread
is level withthebars, thewear limitof1
/ 16 in
(1.6 mm) hasbeen reached. Occupant
distribution
The distribution ofoccupants inavehicle at
their designated seatingpositions. Total
loadlimit
Rated cargoandlugga geload plus
68 kilograms (150lbs)times thevehicle's
designated seatingcapacity. Changing
awhee l Fl
at tire
The "Brea kdown assistance" section
(Y pag e329) contains informationandnotes
on how todea lwith afla ttire. Italso provides
inst ruct ions onchan gingawheel ormoun ting
the spare wheel/ emergencyspare wheel. Inter
chang ingthewheels G
WARN
ING Rotat
efro ntand rear wheels onlyifthe tires
are ofthe same dimen sion. If
your vehic leisequipped withmixed-s ize
tir es (diff eren ttire dimen sionsfro ntvs. rear),
tir erot ation isnot possible . G
WARN
ING Have
thetightening torque chec kedafter
chan gingawheel. Thewheels couldcome
loose ifthe yare not tightenedtoator que of
110 lb-ft(150 Nm).
Only usegenuin eMerc edes- Benzwheel bolts
specified foryour vehicle's rims.
The wear pattern son the front andrear tires
differ, depending onthe operating conditions.
Rotate thewheels beforeaclear wearpattern
has formed onthe tires. Front tirestypically
wear more onthe shoulders andtherear tires
in the cent er.
If your vehicle's tireconfiguration allows,you
can rotate thewheels according tothe
intervals inthe tire manufacturer's warranty
book inyour vehicle documents. Ifthis isnot
availa ble,thetires should thenbereplaced
every 3000to6000 miles
(5000 to10,000 km),orearl ierifthe tire wea r
requ iresthis. Donot change thedirection of
whee lrotation.
Cle anthe contact surfacesofthe whee land
the brake discthoroug hlyevery timeawhee l
is interchanged .Check thetire pressures.
Inform ationonchanging awheel and
mounting thespare wheel (Ypage 333).
! Onvehicles equippedwith atire pressure
monitor, electronic componentsare
located inthe wheel.
Tire-mountin gtools should notbeused
near thevalve. Thiscould damage the
electronic components.
Always havethetires changed ataqual ified
specialist workshop, e.g.anauthorized
Mercedes-Ben zCent er. 374
Changing
awhee lWheels and tires
