Page 279 of 446
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
Page 280 of 446
Batterydisconnection periods
The AS SYST PLUS service inter vald isplay
can onl ycalculat ethe serviced uedate when
th eb attery is connected.
#Notedown thes ervice due dat edispla yedi n
th ei nstrument displa ybefor edisconnecting
th eb atter y(
→page277).
Engin ecom partment
Activ eh ood( pedestrian pr otection)
Operation of thea ctiv ehood (pedestrian pro‐
te ction)
In cer tain accident situations ,the risk of injury
to pedestrians can be reduced bythea ctuation
of thea ctiv ehood. The rear area of thee ngine
hood is raised byappr oximatel y85m m.
Fo rthe driv etotheworkshop, rese tthe trig‐
ge reda ctiv ehood yourself.Ift he activehood
has been triggered, pedestrian pr otection may
be limited.
Aq ualified specialis tworks hop mus tre-ins tate
th ef ull functionality of thea ctiv ehood. The activ
ehood is no tavailable in all countries.
Re setting thea ctiv ehood
&
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 .
#With your handf lat, push down activ ehood
1 inthea reaa round theh inges on bo th
sides (ar rows).
The engine hood mus tengag einp osition.
#Ifth ea ctiv ehood can be raised slightly at
th er ear in thea reaoft he hinges, repeat the
st ep until it engages cor rectl yinp osition.
Opening/closing the engine hood
&
WARNING Risk of accident if thee ngine
hood is unlatched while driving
An unloc kede ngin ehood ma yopen up when
th ev ehicle is in motion and bloc kyour vie w.
#Neveru nlatc hthe engine hood while
driving.
#Befor eevery trip, ensur ethat the
engine hood is latched.
27 8
Maintenance and care
Page 284 of 446
#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
Page 320 of 446
On-boardcomputer:,Service.Tire Pressure
% The spelling ma ydiffe rint he main menu dis‐
pla yed. Therefore, obser vethem enu over‐
vie wf ortheI nstrument Displa yintheWide‐
screen Cockpit (
→pag e195).
One of thef ollowing displa ysappears:
RCur rent tir epressur eofe achw heel:
RTire pressure will be displayed after driving a
few minutes
RTire Pressure Monito rActive:t heteach-in
process of thes ystemisn ot yetcomple te. The tir
epressures ar ealready being moni‐
to re d.
#Compar ethe tir epressur ewitht he recom‐
mended tir epressur efor thec urrent operat‐
ing condition (
→pa ge 314). Observ ethe
no tesont iret emperatur e(→page312).
% 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 thep ressur egaug earehigher than those
shown bytheo n-boar dcomputer .Inthis
case, do no treduce thet irep ressure.
Be sur etoalso observ ethe following fur ther
re lated subjects:
RNo tesont irep ressur e(→page312)
Rest arting thet irep ressur emonitoring sys‐
te m
Prerequisites
RThe recommended tir epressur eisc orrectly
se tfor ther espectiv eoperating condition on
eac hoft hefour wheels(
→pag e312). Re
star tt he tir epressur emonitoring sy stem in
th ef ollowing situations:
RThe tir epressur ehaschanged.
RThe wheels or tires ha vebeen changed or
newl ymoun ted.
On-boar dcomputer:
,Service.Tire Pressure
% The spelling ma ydiffe rint he main menu dis‐
pla yed. Therefore, obser vethem enu over‐
vie wf orthei nstrument displa yinthe wide‐
screen cockpit (
→pag e195).
#Swip edownw ards on theT ouc hControl on
th el eft-hand side of thes teering wheel.
The Use Current Pressures as New Refer-
ence Values messageisshown in them ulti‐
function displa y.
#Pressatoconfir mthe ne wstart.
The Tire Press. Monito rRestarted messageis
shown in them ultifunction displa y.
Cur rent wa rning messages ar edeleteda nd
th eh yello ww arning lam pgoes out.
318
Wheels and tires