ASSYSTP 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 displ ayprov 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. an authorized
Mercedes-Benz service center.
Displaying thes ervice du edate
On-boa rdcomputer:,Service.ASSYST PLUS
The next service due dat eisdisplayed.
#To exitth 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:
ROperating theo n-boar dcomputer
(→pag e195).
Car rying out service workatregular inter‐
va ls
* 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. Service workwill
nee dtobep erform ed mor eoften if thev ehicle
is operated under arduous conditions or
increased loads, fore xamp le:
Rregular city driving wit hfrequ ent intermedi‐
at es tops.
Rifth ev ehicle is primaril yused totrave lshort
dis tances.
Rforf requent operation in mountainou sterrain
or on poor road sur faces.
Rif th ee ngine is of tenl eftidling forl ong peri‐
ods.
Rin particula rlyd usty condition sand/o rifair-
re circulation modeisf requently used.
In these or similar operating conditions ,have ,for
ex ample, thei nterior air filter ,engin eairfilter,
engin eoil and oil filter changed mor efrequ ent ly.
The tires mus tbecheckedm oref requ entl yift he
ve hicle is operated under increased loads. Fur‐
th er information can be obtained at aqualified
specialis tworks hop.
Maintenance and care 27
7
Engine oil
Checkingthee ngine oil le velu sing theo il
dip stick
&
WARNING Risk of burn sfromh otcom‐
ponent parts in thee ngine compartment
Cer tain component parts in thee ngine com‐
partmen tcan be very hot, e.g. thee ngine,
th ec ooler and parts of thee xhaust system.
#Le tthe engine cool down and only
to uc ht he component parts described
as follo ws .
Depending on thee ngine, theo il dipstic kmaybe
ins talled in thee ngine compartmen tindiffe re nt
locations.
Wa itin gtimeb efor echecking theo il le vel:
REngine at normal operatin gtemperature: five
minutes.
REngine no tatnormal operating temp erature
(e.g. thee ngine waso nly star tedb rief ly): 30
minutes.
#Pa rk thev ehicle on aflat sur face.
#Re mo veoil dipstick 1and wipe off.
#Slowl yslide oil dipstick 1intot he guide
tube tothes top, and take it out again af ter
appr oximatel ythree seconds.
ROil le velisc orrect:o il le velisb etwe en 2
and 3.
ROil le veltoo low: oil le velisa t3 or
belo w.
#Ifth eo il le velist oo lo w,add 1.1USq t(1l)o f
engine oil.
To pping up engine oil
&
WARNING Risk of burn sfromh otcom‐
ponent parts in thee ngine compartment
Cer tain component parts in thee ngine com‐
partmen tcan be very hot, e.g. thee ngine,
th ec ooler and parts of thee xhaust system.
#Le tthe engine cool down and only
to uc ht he component parts described
as follo ws .
&
WARNING Risk offire and injur yfrom
engine oil
If engine oil comes int ocontact wi thhot
component parts in thee ngine compart‐
ment ,itmayignite.
#Mak esuret hat no engine oil is spilled
next tothef iller opening.
Maintenance and care 281
#Allow thee ngine tocool of fand thor‐
oughl yclean thee ngine oil from compo‐
nen tparts befor estartin gt he vehicle.
* NO
TEEngine damag ecaused byan
incor rect oil filter ,incor rect oil or addi‐
tives
#Do no tuse engine oil soroilfilters
whic hdon otcor respond tothes pecifi‐
cation sexplicit lyprescribed fort he
service inter vals.
#Do no talter thee ngine oil or oil filter in
order toachie velonger chang einter vals
th an prescri bed.
#Do notuse additives.
#Followt he instructions in thes ervice
inter vald ispla yregarding theo il
ch ange.
* NO
TEDama gecaused bytopping up too
muc hengine oil
Topping up toom uche ngine oil can cause
damag etothe engine or thec atalytic con‐
ve rter.
#Ha ve excess engine oil siphonedo ffat
aq ualified specialis tworks hop.
#Tu rn cap 1counter-clockwise and remo ve
it.
#Ad de ngin eoil.
#Replace cap 1and tur nitclockwise as far
as it will go.
#Chec kthe oil le vela ga in (→pag e281).
Checking coolant le vel
&
WARNING Risk of burn sfromh otcom‐
ponent parts in thee ngine compartment
Cer tain component parts in thee ngine com‐
partmen tcan be very hot, e.g. thee ngine,
th ec ooler and parts of thee xhaust system.
#Le tthe engine cool down and only
to uc ht he component parts described
as follo ws .
&
WARNING Danger of burn sfromh ot
coolant
The engine cooling sy stem is pressurized,
particularly when thee ngine is warm.Ify ou
282
Maintenance and care
Notesonc aringfort he paintwork/matt finish paintwo rk
Observethef ollowing information:
Information on cleaning and car eAvoiding damag etothe paint work
Pa int
RInsect remains: soak wit hinsect remo vera nd rinse of fthe
treated areas af terw ards.
RBir dd roppings: soak wit hwater andr inseo ffafte rw ards.
RCoolant, brak efluid, tree resins, oils, fuel and greases:
ge ntly rubw ithac loth soaked in petroleum ether or
lighter fluid.
RTa rs tains :use tarr emo ver.
RWa x: us esilico neremo ver.
RDo no tapplysticke rs,f ilms etc.
RRe mo vedirtimmediately ,wher epossible.
Mattf inish
RThevehicle should preferabl ybewashedbyh and using a
sof tsponge, car shampoo and plenty of water.
ROnlyuse car eproducts recommended byMercedes-Benz.
RDo no tpolish thev ehicle and light-allo ywheels.
RDo no thave your vehicle cleaned at an automatic car
wa sh toof requ entlyand do no tuse wash programs which
fi nis hw ithah otwa xvehicle treatment.
RDo no tuse paint cleaner ,buffing or polishing products
such asag loss preser ver,e.g. wax.
RAlw aysh ave paintwor krepair scarried out at aqualified
specialis tworks hop.
286
Maintenance and care
Information on cleaning and careAvoiding vehicl edamage
Ta ilpipes
Clean withcleaning agent srecommende dbyMercedes-Benz,
particular lyin thew inter and af terw ashing thev ehicle. Use acid-free cleaning agents.
Tr aile rhitch
RRemo verust on theb all, e.g. wit hawireb rush.
RRe mo vedirtw ithal int-free clo th.
RAf terc leaning, oil or grease theb all head lightl y.
RObservethec leanin ginstruction sinthe operating instruc‐
tions of thet railer hitc hmanufacturer. Do no
tclean theb all nec kwiths olvent sorap owerwasher.
Note sonc areoft he interior
&
WARNING Risk of injury from plastic
parts breakin goffafte rt he use of sol‐
ve nt-based car eprodu cts
Ca reand cleanin gproducts con tainin gsol‐
ve nts can cause surf aces inthec ockpit to
become porous.
When thea irbags ar edeplo yed, plastic parts
ma ybreak away.
#Do no tuse anyc areorc leaning prod‐
ucts containing sol vents toclean the
cockpit.
& WARNING Risk of injury or deathfrom
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, fore xamp le, caus eseat beltst o
te ar or fail in an accident.
#Ne verb lea ch or dy eseat belts.
Maintenance and care 289
Unifor mT ireQ uality Grading Standards: a
unifor mstandar dtog rade theq ualityoft ires
wit hregar dtot read quality, tiret raction and
te mp eratur echaracteristics. The qualityg rading
assessment is made bythem anufacturer follow‐
ing specifications from theU .S. go vernment. The
qu alityg rade of atireisi mprinted on thes ide
wa ll of thet ire.
Re commende dtirep ressure :th er ecommen‐
ded tir epressur eist he tir epressur especified
fo rt he tires mounted tothev ehicle at thef ac‐
to ry.
The tir eand information table conta insther ec‐
ommended tir epressur efor cold tires, them axi‐
mum permissible load and them aximum permis‐
sible vehicle speed.
The tir epressur etable con tains ther ecommen‐
ded tir epressur efor cold tires under various
operating conditions, i.e. loading and/or speed
of thev ehicle.
Increased vehicl eweight due tooptional
equipment: thec ombined weight of all standard
and optional equipment available fort he vehicle, re
ga rdless of whe ther it is actually ins talled on
th ev ehicle or not.
Rim: thep artoft he wheel on whic hthe tir eis
mounted.
GA WR (Gross Axl eWeight Rating): theG AWR
is them aximum gross axle load. The actual load
on an axle mus tnever exc eed theg ross axle
we ight rating .The gross axl eweight rating can
be found on thev ehicle identification plat eon
th eB ‑pillar on thed ri
ve r's side.
Speed rati
ng: thes peed rating is pa rtof thet ire
identification .Itspecifies thes peed rang ef or
whic hatireisa pprove d.
GV W( Gross Vehicl eW eight): theg ross vehicle
we ight comprises thew eight of thev ehicle
including fuel, tools, thes par ew heel, accesso‐
ri es ins talled, occupants, luggag eand thet railer
dr aw bar nose weight,ifa pplicable. The gross
ve hicle weight mus tnotexc eed theg ross vehicle
we ight rating GVWR as specified on thev ehicle
identification plat eonthe B‑pillar on thed rive r's
side.
GV WR (Gross Vehicl eW eight Rating): the
GV WR is them aximum permitted gross weight of
thef ully laden vehicle (weight of thev ehicle
including all accessories, occupants, fuel, lug‐
ga ge and thet railer dr awbar nose weight if appli‐
cable). The gross vehicle weight rating is speci‐
fi ed on thev ehicle identification plat eonthe
B‑pi llaronthed rive r's side.
Maximum weight of thel aden vehicle: the
maximu mweight is thes um of theu nladen
we ight of thev ehicle, thew eight of thea ccesso‐
ri es, them aximum load and thew eight of
optional equipment ins talled at thef actor y.
Kilopasca l(kP a): metric unit fort irep ressure .
6.9 kP acorresponds to1p si.A nother unit for
tir ep ressur eisb ar.1 00 kilopasca l(kPa) equals
1b ar.
Load index: in additiontothel oad-bearing
index, thel oad inde xmayalso be imprinted on
th es ide wall of thet ire. This specifies
thel oad-
bearing capacit
y of thet irem orep recisel y.
Cur bw eight: thew eight of avehicle wit hstand‐
ar de quipment includingt he maximum capacity
of fuel, oil and coolant. It also includes thea ir
conditionin gsystema nd optional equipment if
Wheels and tires 329
Notesons toring wheels
RAf terr emoving wheels, stor et hem in acool,
dr ya nd preferably dar kplace.
RProtect thet ires from conta ct withoil, grease
or fuel.
Preparing thev ehicle foraw heelchange
Prerequisi tesRThe requ ired tire-chang etool kit is available.
If yo ur vehicle is no tequipped wit hthe tire-
ch ang etool kit, consult aqualified specialis t
wo rkshop tofind outa boutsuitable tools.
RThe vehicle is no tonaslope.
RThevehicle is on solid, non-slipper yand le vel
ground .
#Applythee lectric parking brak emanually.
#Movethef ront wheels tothes traight-ahead
position.
#Ve hicles with automatic transmission:
shif tint op osition j.
#Vehicles with AI RBODYC ONT ROL:setthe
normal vehicle le vel(→pag e171).
#Switc hoffthee ngine.
#Mak esuret hat thee ngine cannot bestar ted.
#Place choc ks orother suitable items under
th ef ront and rear of thew heel that is diago‐
nall yopposit ethe wheel youw ish tochange.
#Re mo vetheh ub caps if necessary
(→pag e334).
#Raise thev ehicle (→pag e335).
Removing and mounting hub caps
Requirements
#The vehicle is prepared foraw heelc hange
(→pag e334).
Plast ic hub cap
#Toremo ve:tur nthe center co veroft he hub
cap counter-clockwise and remo vetheh ub
cap.
#To mount: makesurethat thec enter co ver
of theh ub cap is turned counter-clockwise.
#Position theh ub cap and tur nthe center
co verc lockwise until theh ub cap engages
ph ysicall yand audibly.
Aluminum hub cap
#To remo ve:positio nsocket2 on hubc ap
1.
% The soc ketc an be found in thev ehicle tool
kit.
#Po sition wheel wrench 3on soc ket2.
#Using whee lwrench 3,t urnh ub cap 1
counter-clo ckwise and remo veit.
334
Wheels and tires
Removing awheel
RequirementsRThe vehicle is raised (→pag e335).
When changing awheel, avoid applying an yforce
to theb rake disks, since this could impair the
le ve lofc omfort when braking.
* NO
TEDama getothre adingf romd irto n
wheel bolts
#Do no tplace wheel boltsins andoron
ad irty sur face.
#Un scr ew theu ppermos twheel bolt com‐
ple tely.
#Scr ew centering pin 1instead of thew heel
bolt int othe thre ad.
#Un scr ew ther emaining wheel bolt sfully.
#Re mo vethew heel.
#Mount then ew wheel (→pag e337).
Mounting anew wheel
RequirementsRThe wheel is remo ved(→pag e337).
&
WARNING Risk of accident from losing a
wheel
Oiled, greased or damaged wheel bolts or
wheel hubt hreads can cause thew heel bolts
to come loose.
As aresult, youc ould lose awheel while driv‐
ing.
#Ne vero il or grease thew heel bolts.
#Inthee vent of damage tothet hreads,
contact aqualified specialis tworks hop
immediatel y.
#Have thed amaged wheel bolts or dam‐
aged hub thre ads replaced.
#Do no tdrive anyf urther.
#Obser vethei nformation on thec hoice of
tires (→pag e331).
Fo rtires wit haspecified direction of rotation, an
ar row onthes ide wall of thet irei ndicates the
cor rect dire ction of rotation. Observ ethe direc‐
tion of rotatio nw henm ounting.
Wheels and tires 337