Page 394 of 585

ASS
YSTP LUSs ervice in terv al display Fu
nction of theA SSYSTP LUSs ervice in terv al
display The ASS
YSTP LUSs ervice inter vald ispla yint he
instrument display prov ides informatio nonthe
re maining time or dis tance be fore then ext
service due date.
Yo uc an hide this service messag eusing the
bac kbutton on thel eft-hand side of thes teering
wheel.
Yo uc an obtain fur ther information concerning
th es ervicing of your vehicle from aqualified
specialis tworks hop, e.g. aMercedes-Benz
Service Centre. Displaying
thes ervice du edate On-boa
rdcomputer:
, Service .
ASSYST PLUS
The next service due dat eisdisplayed. #
Toexitth ed ispla y:press theb ackb utton
on thel eft-hand side of thes teering wheel. Mak
esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
R Operating theo n-boar dcomputer
(→ pag e262). Car
rying out maintenance workatregular
inter vals *
NO
TEPrematur ewear thro ugh failur eto
obser veservice due dates Service
workwhic hisn otcar ried out at the
ri ght time or incomple tely can lead to
inc reased wear and damag etothevehicle. #
Alw ayso bser vethep rescribed service
inter vals. #
Alw aysh ave thep rescribed service
wo rkcar ried out at aqualified specialist
wo rkshop. Special service
requ irements The prescribed service inter
valisb ased on nor‐
mal operation of thev ehicle. Maintenance work will nee
dtobep erform ed mor eoften than
specified if thev ehicle is operated under ardu‐
ous conditions or increased loads, fore xamp le:
R regular city driving wit hfrequ ent intermedi‐
at es tops.
R ifth ev ehicle is primaril yused fors hort-dis‐
ta nce driving.
R forf requ ent operation in mountainou sterrain
or on poor road sur faces.
R ifth ee ngine is of tenl eftidling forl ong peri‐
ods.
R in particula rlyd usty condition sand/o rifair-
re circulation mod eisfrequently used.
In these or similar operating conditions ,have the
interior filter ,engin eair cleaner ,engin eoil, oil fil‐
te re tc. changed mor efrequ ent ly.T he tyres must
be checkedm oref requ entl yift hevehicle is
operated under increased loads. Further infor‐
mation can be obtained at aqualified specialist
wo rkshop. Maintenance and care
391
Page 443 of 585

ma
yseve rely impair thed riving characteris‐
tics.
The disk brakes or wheel suspension compo‐
nents ma yalso be damaged. #
Rotate front and rear wheels on lyifthe
wheels and tyres ar eofthe same
dimensions. Inter
changing thef ront and rear wheels if the
wheels or tyres ha vediffere nt dimensions can
re nde rthe general operating pe rmit in valid.
The wear pat tern sont he front and rear wheels
dif fer:
R Front wheels wear mor eonthe shoulder of
th et yre
R Rear wheels wear mor einthe centre ofthe
tyre
On vehicles wit hthe same front and rear wheel
size, youc an inter chang ethe wheels every
5,000 to10,000 km, dependin gonthewear.
Ensur ethe direction of rotatio nism aintained for
th ew heels. It is imperativ
etoobservethei nstruction sand
saf etyn otes on "Wheel change" when doin gso. Note
sons toring wheels R
Afterr emoving wheels, stor et hem in acool,
dr ya nd preferably dar kplace.
R Protect thet yres from conta ct withoil,
grease or fuel. Overvie
wofthe tyre-chang etool kit Apar
tfroms ome countr y-specific variants, vehi‐
cles ar enotequipped wit hatyre-chang etool kit.
Fo rm orei nformation on which tyre-changing
to ols ar erequired and appr ovedfor per form ing a
wheel chang eony ourvehicle, consult aqualified
specialis tworks hop.
Re quired tyre-chang etool kits ma yinclude, for
ex ample:
R Jack
R Chock
R Whee lwrench
R Cent ring pin %
The jac kweighs appr oximatel y3.4kg.
The maximum pa yload of thej ackc an be
fo und on thes tickera ffixed tothej ack.
The jac kismaintenance-free. If ther eisa
malfunction, please conta ctaq ualified spe‐
cialis tworks hop.
The tyre-chang etool kit is in tool bag 1under
th el oad compartmen tfloor. 1
Tool bag
To ol bag 1contains:
R Jack
R Gloves
R Wheel wrench 440
Wheels and tyres
Page 448 of 585

&
WARNING Risk of accident from losing a
wheel
Oiled, greased or damaged wheel bolt/wheel
nut thre ads or wheel hub/wheel mounting
bolt thre ads can caus ethe wheel bolts/
wheel nuts tocome loose.
As aresult, youc ould lose awheel while driv‐
ing. #
Nevero il or grease thet hreads. #
Inthee vent of damag etothethre ads,
con tact aq ualified specialis tworks hop
immediatel y. #
Have thed amaged wheel bolts or dam‐
aged hub thre ads replaced. #
Do no tcontinue driving. #
Obser vethei nformation on thec hoice of
tyres (→ page436).
Fo rtyres wit haspecified direction of rotation,
an ar rowonthes ide wall of thet yrei ndicates
th ec orrect di rection of rotation. Obse rvet he
direction of rotatio nw henf itting. #
Slide thew heel tobe mounted ont othe cen‐
tring pin and push it on. &
WARNING Risk of inju ryfrom tightening
whee lbolts and nuts
If yo ut ighten thew heel bolts or wheel nuts
when thev ehicle is raised, thej ackc ould tip. #
Onlytighten wheel bolts or wheel nuts
when thev ehicle is on theg round. #
Fors afet yr easons, onl yuse wheel bolts
whic hhaveb een appr ovedbyM ercedes-
Benz and fort he wheel in question. #
Tighten thew heel bolts until they aref inger-
tight. #
Unscr ew thec ent ring pin. #
Tighten thel astw heel bolt until it is finger-
tight. #
Lowe rthe vehicle (→ page445). Lo
weri ngthev ehicle af teraw heelchange Re
quirements:
R The ne wwheel has been fitted (→ page 444 ). #
Place ther atche tring sp anner ont othe he xa‐
gon nut of thej acksot hatthel ette ring "AB"
is visible. #
Tolowe rthe vehicle: turnthe ratche tring
sp an ner of thej acka nti-clockwise. #
Tighten thew heel bolts evenlyinad iagonal
patter ninthe order indicated (1 to5 ).
Specified tightening torq ue: 150N m. Wheels and tyres
445
Page 462 of 585

Model
Replacement
amount
E3 50 d4MATIC
E3 50 d4MATIC All-
Te rrain 8.
0l
All other models 6.3 lNote
sonb rake fluid Obser
vethen otes on operating fluids
(→ pag e452). &
WARNING Risk of an accident du eto
va pour poc kets form ing in theb rake sys‐
tem
The brak efluid cons tantl ya bsorbs moi sture
from thea ir.T his lo werstheb oiling point of
th eb rake fluid. If theb oiling point is tool ow,
va pour poc kets ma yformint he brak esys‐
te mw hen theb rake sa reapplied hard.
This impair sthe braking ef fect. #
Have theb rake fluid rene we datt he
specified inter vals. Ha
ve theb rake fluid regularly changed at aquali‐
fi ed specialis tworks hop.
Onl yuse brak efluid appr ovedbyM ercedes-Benz
according toMB-F reigabe or MB-Appr oval 33 1.0.
Fu rther information on brak efluid:
R intheM ercedes-Benz Specification sfor
Operating Fluids at http://be vo.mercedes-
benz.com
R ataq ualified specialis tworks hop Coolant
Note
sonc oolant
Obser vethen otes on service products
(→ pag e452). &
WARNING Risk offire ‑a nd inju ryfrom
antifreeze
If antifreeze comes int ocontact wit hhot
component parts in thee ngine compart‐
ment ,itmayignite. #
Allo wthe engine tocool down before
yo ut op up thea ntifre eze. #
Mak esuret hat no antifreeze spills out
next tothef iller opening. #
Thoroughl yclean thea ntifre eze from
componen tparts befor estartin gt he
ve hicle. *
NO
TEDama gecaused byincor rect cool‐
ant #
Onlyadd coolant that has been pre‐
mixed wit hthe requ ired antifreeze pro‐
te ction.
Fu rther information on coolant:
R IntheM ercedes-Benz Specification sfor
Operating Fluids 310.1, e.g. online at
http://be vo.mercedes-benz.com.
R Ataq ualified specialis tworks hop. Te
ch nica ldata 459