
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 yont 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 ebyusingthe
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 spe‐
cialis tworks hop, e.g. an authorized Mercedes-
Benz Center. Displaying
thes ervice du edate On-boa
rdcomputer:
4 Service 5
ASSYSTP LUS
The next service due dat eisdisplayed. #
Toexitth ed ispla y:press theb ackb utton on
th el eft-hand side of thes teering wheel.
Bear in mind thef ollowing related topic:
R Operating theo n-boar dcom‐
puter(/ page175) Ca
rrying out maintenance workregular ly *
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 lea dto
inc reased wear and damag etothevehicle. #
Alwayso bser vethep rescribed service
inter vals. #
Alwaysh 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 vehicle use. Maintenance workwill need to
be per form ed mor eoften than presc ribed if the
ve hicle is operated under arduous conditions or
increased loads. Examples of arduous operating conditions:
R Regular city driving wit hfrequ ent intermedi‐
at es tops
R Mainly short-dis tance driving
R Frequent operation in mountainous terrain or
on poor road sur faces
R Whe nthe engine is of tenl eftidling forl ong
periods
R Operation in particula rlyd usty conditions
and/o rifair-reci rculation mod eisfrequ ently
used
In these or similar operating conditions, ha vethe
interior air filter ,engin eair cleaner ,engin eoil and
oil filter etc. changed mor efrequ ently .Ifthevehi‐
cle is subjected tohigher loads, thet ires mus tbe
ch eckedm oref requ entl y.Yo uc an obtain fur ther
information at aqualified specialis tworks hop. Batter
ydisconnection periods The ASS
YSTP LUSs ervice in terv al displa ycan
onl ycalculat ethe service due dat ewhen the
batter yisconnected. #
Notedown thes ervice due dat edispla yedon
th eI nstrument Displa ybefor edisconnecting
th eb atter y(/pag e214). Engine compartment
Opening and closing
theh ood &
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 thee ngine
hood is latched. &
WARNING Danger of bu rnsw hen open‐
ing theh ood
If yo uo pen theh ood when thee ngine has
ove rheated or during afireint he engine com‐
partment, youc oul dc om eintoc ontact wi th
ho tg ases or other escaping operating fluids. #
Befor eopening theh ood, allo wthe
engine tocool down. 214
Maintenance and care

Dip
stick( example) #
Park thev ehicle on an even sur face. #
Remo vedipstick 1and wipe it off. #
Slowl yinser tdipstick 1intot he dipstick
guide tube as farasitw illgoa nd pullito ut
af te rt hree seconds.
R Oil le velO K:theo il le velisb etwe en the
MIN and theM AX mar k.
R Oil le veltoo low: theo il le velisatt he MIN
mar korb elow. #
Ifth eo il le velist oo lo w,add appr ox.
1. 1USq t(1l iter) engine oil. #
Ifth eo il le velist oo high, drain of fexcess
engine oil.
Vi sit aq ualified specialis tworks hop.
Checking thee ngine oil le velw itht he on-
boa rdcompu ter
Re quirements:
R The vehicle is le veld uring them easuring
process.
R The hood is no topen.
R Dependin gonthe driving profile, theo il le vel
can be displa yedo nlya fter ad riving time of
up to30 minutes and onl ywhen thei gnition
is switched on.
On-boar dcomputer:
4 Service 5
Engine Oil Level
Yo uw ills ee one of the following messa geson
th em ultifunction displa y: #
Measuring Engine Oil Level...:m easurement
of theo il le veln ot ye tpossible. Repeat the
qu erya fter drivin gfor am aximu mof
30 minutes. #
Engine Oil Level OK andtheb ar showing the
oil le velont he multifunction displa yisgreen
and lies between "MIN" and "MAX": theo il
le ve lisO K. #
Engine Oil Level Drive until the engin eis
warm. :warmupt he engine tooperating tem‐
perature. #
Engine Oil Level Correct Measurement Only
if Vehicl eIsonL evel Ground:p arkt he vehicle
on aleve lsurface. #
Engine Oil Leve lAdd 1,0 liq.gal. andtheb ar
showing theo il le velont he multifunction dis‐
pla yiso rang ea nd lies belo w"MIN": add
1. 1USq t(1l)ofe ngine oil. #
Reduce Engine Oil Level andtheb ar showing
th eo il le velont he multifunction displa yis
orang eand lies abo ve"MAX": drain of fexcess
engine oil.
Vi sit aq ualified specialis tworks hop. #
For Engine Oil Level Switch Ignition On :
switc hont he ignition in order tocheckt he
engine oil le vel. #
Engine Oil Level System Inoperative:t he sen‐
sor is defectiv eornotconnected. Visit a
qu alified specialis tworks hop. #
Engine Oil Level System Currently Unavaila-
ble:c losetheh ood.
% Ve
hicles with col doil le veld ispla ys:theo il
le ve lisa utomaticall ydispla yedont he multi‐
function displa yafter thev ehicle has been
non-operational forane xtende dperiod .Ifit
is no tpossible tomeasu rethee ngine oil
le ve l,ac orresponding messag ewill appear.
Ad ding engin eoil &
WARNING Risk of bu rnsf romh otcom‐
ponent parts in thee ngine compartment
Cer tainc omponents in thee ngine compart‐
ment can be very hot, e.g. thee ngine, the
ra diator and parts of thee xhau stsystem. #
Allowthe engine tocool down and only
to uc hc omponent parts desc ribed in the
fo llowing. &
WARNING Danger of bu rnsw hen open‐
ing theh ood
If yo uo pen theh ood when thee ngine has
ove rheated or during afireint he engine com‐
partment, youc oul dc om eintoc ontact wi th
ho tg ases or other escaping operating fluids. Main
tenance and care 217

#
Befor eopening theh ood, allo wthe
engine tocool down. #
Inthee vent of afireint he engine com‐
partment, keep theh ood closed and call
th ef ires ervice. If
yo uh ave tocar ryout an yworkint he engine
compartment, touc ho nlyt he following compo‐
nents:
R Hood
R Engine oil filler openin gcap
R Washer fluid reser voir cap
R Coolant expansion reser voir cap &
WARNING Risk offire and injur yfrom
engine oil
If engine oil comes int ocontact wi thhotc om‐
ponent parts in thee ngine compartment, it
ma yignite. #
Mak esuret hat no engine oil is spilled
next tothef iller opening. #
Allowthe engine tocool of fand thor‐
oughly clean thee ngine oil from compo‐
nent parts befor estartin gt he vehicle. *
NO
TEEngine damag eduetoincor rect oil
fi lter ,incor rect oil or additi ve #
Do no tuse engine oi loranoilfilter with
specifications deviatin gfromt hose
re qu ired fort he prescribed service
inter vals.
Mercedes-Benz recommends using original or
te sted replacement and service parts. #
Do no tchang ethe engine oil or oil filter
in order tosetc hang einter vals longer
th an those prescribed. #
Do no tuse an yadditive. #
Followt he instructions on thes ervice
inter vald ispla yfor changing thee ngine
oil. *
NO
TEDama gecaused byaddin gtoo
muc hengine oil To
om uche ngine oil can damag ethe engine
or thec atalytic con verter. #
Have excess engine oil remo vedata
qu alified specialis tworks hop. Engine OM651
Engine OM642
#
Turn cap 1counter-clockwise and remo veit. #
Adde ngin eoil. #
Replace cap 1and tur nitclockwise until it
engages. #
Chec kthe oil le vela ga in. Chec kusing theo n-
boar dcomputer (/ page217),ch eckw ith
th eo il dipstic k(/pag e216). Checking
thec oolant le vel &
WARNING Risk of bu rnsf romh otcom‐
ponent parts in thee ngine compartment
Cer tainc omponents in thee ngine compart‐
ment can be very hot, e.g. thee ngine, the
ra diator and parts of thee xhau stsystem. #
Allowthe engine tocool down and only
to uc hc omponent parts desc ribed in the
fo llowing. 218
Maintenance and care

Emer
gency Re
moving the saf etyv est The saf
etyv estisl ocated in thes towa ge com‐
partment in thed rive r's door. #
Remo vethes afet yv estfromt hestow age
compartment.
% Saf
etyv ests can also be stored in thes tow‐
ag ec ompartment softherear door sand the
front-passenger door. 1
Maximu mnumber of washes
2 Maximum wash temp erature
3 Do no tbleach
4 Do no tiron
5 Do no ttumble dry
6 Do no tdry-clean
7 Thisisac lass2vest
The saf etyv esto nlyf ulfills thel egally required
st andards if it is thec orrect size and is com‐
ple tely closed.
Re place thes afet yv est:
R if damaged or if ther efle xstrip saredirty
R ifth em aximum permitted number of washes
is exc eeded
R ifth es afet yv est's fluorescenc ehasfaded Re
moving the firs t-aid kit (sof tsided) The
firs t-ai dkit (sof tsided )islocated in thes tow‐
ag ec ompartment in thef ront passenger door. #
Remo vefirs t-ai d(softsided) kit from the
stow agec ompartment. Re
moving the warning lamp The
warning lam pislocated in thes towa ge com‐
partment in thef ront-passenger door. #
Remo vethew arning lam pfromt hestow age
compartment. Emer
gency Call Sy stem Information on
thee mer gency call sy stem US
Ao nly: Your vehicle is equipped wit hthe
Emergenc yCallS ystem( "eCall"). This featur ecan
help sa velives in thee vent of an accident .eCall
in no wayreplaces assis tance pr ovided from dial‐
ing 911.
eCall onl yfunctions in areas wher emobile phone
co verage isavailable from thew ireless service
pr ov iders. Insuf ficient networ kcoverag efromt he
wireles sservic eprovide rsma yresult in an emer‐
ge ncy cal lnot being transmitted.
eCal lisas tandar dfeatur einy our Mercedes-Benz
ve hicle. In order tofunction as intended, thes ys‐
te mr elies on thet ransmission of dat adetailed in
th eT ransmit tedD atas ection that follo ws
( / pag e229). Todisable eCall, acustomer must
visit an authorized Mercedes-Benz Service
depa rtment todeactivat ethe vehicle's communi‐
cation module.
Deactivation of this module pr events thea cti‐
va tio nofa nyand all Mercedes PR Oconnect
se rvices. Af tert he deacti vatio nofe Call,a uto‐
matic eme rgency call and manua lemer gency
call will no tbeavailable.
The ignition mus tbeswitched on befor eanauto‐
matic emer gency cal lcan be made.
% eCal
lisa ctivatedatt hefactor y.
% eCall can be deactivated
byan authorized
Mercedes-Ben zdealer .Please no tethat in
th ee vent ow nershi pofthevehicle is trans‐
fe rred toano ther ow ner in its deacti vated
st ate, eCall will remain deactivated unless
th en ew owner visits an au thorized
Mercedes-Benz dealership toreactivat ethe
sy stem. Emer
gency Call Sy stem eCall can help
toreduce thet ime between an
accident and thea rrival of emer gency service sat
th es iteoft he accident. It helps locat eanacci‐
dent sit einplaces that ar edifficul ttoa ccess.
Ho wever,eve nifa vehicle is equipped wit heCall,
th is does no tmean thes ystemisO N. As such,
eCall does no treplace dialing 911int heeve nt of
an accident.
The emergency cal lcan be mad eautomatica lly
(/ page 229) or manuall y(/pag e229). Only
mak eemer gency calls if youoro ther sa rein need
of rescue. Do no tmakeane mergency cal linthe
eve nt of abreak down or asimilar situation. 228
Breakdown assis tance

Messag
einthe media displa y:
SOS NOT READY :the ignition is no tonoreCall is
no ta vailable.
During an activ eemer gency call, 0053appear sin
th ed ispla y.
Yo uc an find mor einformation on ther egional
av ailabilit yofeCall at :http://www.mercedes-
benz.com/connect_ecall
% If an emer
gency cal lisunavailable or mal‐
functioning, amessag etothis ef fect also
appea rsinthem ultifunction displa yofthe
instrument clus ter. Tr
iggering an automatic emer gency call Re
quirements:
R The ignition is switched on.
R The star terb atter yhas suf ficient charge.
If re stra int sy stems suc hasairbags or Emer gency
Te nsioning Device shave been activated af teran
accident, eCall ma yautomatically initia tean
emer gency call.
The eme rgency call has been made:
R Avoice connection is made totheM ercedes-
Benz emer gency cal lcenter.
R Am essa gewitha cciden tdataist ransmitted
to theM ercedes-Benz emer gency cal lcenter.
The Mercedes-Benz emergency cal lcenter
can transmit thev ehicle position dat atoone
of thee mer gency cal lcenters.
The SOS button in theo verhead cont rolp anel
fl ashes until thee mer gency cal lisfinished.
It is no tpossible toimmediately end an auto‐
matic emer gency call.
If no connection can be mad etothe emer gency
service seithe r,ac orresponding message
appears inthem edia displa y. #
Dialthe local emergency num berony our
mobile phone.
If an emer gency cal lhas been initia ted:
R Remain in thev ehicle if ther oad and traf fic
conditions permit youtodosou ntilavoice
connection is es tablished wit hthe emergency
call cen ters ervice pr ovider.
R Based on thec all, theo perator decides
whe ther it is necessar ytocallr escue teams
and/or thep olice tothea ccident site.
R If no vehicle occupant answers, an ambu‐
lance is sent tothev ehicle immediately. Tr
iggering amanual emer gency call #
Using theS OS but tonint heove rhead con‐
trol panel: presstheS OS button at leas tone
secon dlong.
The emer gency cal lhas been made:
R Avoice connection is made totheM ercedes-
Benz emer gency cal lcenter.
R Am essa gewitha cciden tdataist ransmitted
to theM ercedes-Benz emer gency cal lcenter.
The Mercedes-Benz emergency cal lcenter
can transmit thev ehicle position dat atoone
of thee mer gency cal lcenters.
R Remain in thev ehicle if ther oad and traf fic
conditions permit youtodosou ntilavoice
connection is es tablished wit hthe emergency
call cen ters ervice pr ovider.
If no connection can be made tothee mer gency
service seithe r,ac orresponding message
appears inthem edia displa y. #
Dialthe local emergency num berony our
mobile phone.
Ending an unintentional emer gency call #
Select 0076onthem ultifunction steering
wheel. Depress theb utton fors everal sec‐
onds. Tr
ansmitted data with thee mer gency call
sy stem Dat
atransmit tedbyt he eCall includes but is not
limited to:
R Vehicle's GPS position data
R GPS position dat aontheroute
((af ewhundred me ters befor ethe incident))
R Direction of tr avel
R Vehicle identification number
R Vehicle driv etype
R Estimated number of people in thev ehicle
R Whe ther Mercedes PR Oconnect is available
or not
R Whe ther thee mer gency cal lwas initia ted
manually or automatically
R Time of thea ccident
R Languag esetting on them ultimedia sy stem
Dat atransmit tedisv ehicle information. Fora ny
qu estions about thec ollection, use and sharing
of thee Call sy stem data, please contact MBU‐ Breakdown assis
tance 229

&
WARNING Risk ofexplosion from hydro‐
ge ng as igniting
Ab atter ygenerates hydrogen gasd uring the
ch argin gprocess. If ther eisas hortcircuit or
spar ksstar ttof orm, ther eisad anger of the
hy drogen gasigniting. #
Mak esuret hat thep ositiv eterminal of
th ec onnected batter ydoes no tcome
int oc ontact wit hvehicle parts. #
Neverp lace me talo bject sort ools on a
batter y. #
When connectin gand disconnectin gthe
batter y,yo um usto bse rvet he described
order fort he batter yclamps. #
When giving startin gassistance, alw ays
mak esuret hat youo nly connec tbattery
te rm inals wit hidentical polarity. #
During startin gassis tance, youm ust
obse rvet he described order forc on‐
necting and disconnecting thej umper
cables. #
Do no tconnect or disconnect theb at‐
te ry cla mp sw hile thee ngine is running. &
WARNING Risk ofexplosion during
ch argin gprocess and startin gassis tance
During thec harging process and starting
assis tance, theb atter ymayrelease an explo‐
siv eg as mixture. #
Avoid fire ,o pen flames ,creating spar ks
and smoking. #
Mak esuret hat ther eiss ufficient venti‐
lation du ring thec harging process and
during startin gassis tance. #
Do no tlea no verab atter y. &
WARNING Risk ofexplosion from afro‐
zen battery
Ad ischar gedb atter ymayfreeze at temp era‐
tures slightl yabove or belo wfreezing point.
During startin gassis tance or batter ycharg‐
ing, batter ygas can be released. #
Alwaysa llowab atterytot hawb efore
ch argin gitorp erform ing startin gassis‐
ta nce. If
th ew arning /indicator lamps do no tlight up in
th ei nstrument displa yaround or belo wfreezing point, it is
very likel ythat thed ischarged battery
has frozen.
In this case, obser vethef ollowing points:
R Do no tgivet he vehicle startin gassis tance or
ch arge theb attery
R The service lif eofabatterythat has been
th awe dmaybe reduced drastically
R The start-up behavior ma ydeteriorate, partic‐
ularly at lo wtemperatures
R It is recommended that youh ave athawed
batter ychec kedataq ualified specialis twork‐
shop
* NO
TEDama gecaused bynume rous or
ex tende dattempts tostar tt he engine Numerous or
extende dattempts tostar tt he
engine ma ydamag ethe catalytic con verter
due tonon-combu sted fuel. #
Avoid numerous and extende dattem pts
to star tt he engine. When jump-s
tarting and chargin gthe batteries,
obser vethef ollowing points:
R Onlyuse undamaged jumper cables/ charging
cable swithas ufficient cross-sectio nand
insula tedt erminal clamps
R Non-insulated parts of thet erminal clamps
mus tnotcom eintoc ontact wi thother me tal
parts while thej umper cables/charging
cables ar econnected totheb attery/jump-
st ar tc onnectio npoint
R The jumper cables/chargin gcable smustn ot
com eintoc ontact wi thanyp arts whic hmay
mo vewhen thee ngine is running
R Alwaysm akes uret hat neither youn orthe
batter yiselectros tatically charged
R Alwaysk eep away from fire and open flames
R Do no tlean overab attery
R When charging: only use abatter ychar ger
th at has been tested and appr ovedby
Mercedes-Benza ndread theo perating
instruction sfor your charge rb efor echarging
th eb atteries 232
Breakdown assis tance

R
Use sno wchains only when ther oad sur face
is comple tely sno w-covered. Re mo vethe
sno wchains as soon as possiblew henyou
come toaroad that is no tsnow-covered.
R Local regulations ma yrestrict theu se of
sno wchains. Obser vethea pplicable regula‐
tions befor einstal ling sno wchains.
R Activat eall-whee ldrive before driving of fwith
sno wchains (/ page125, 124, 125).
R If sn ow ch ains ar einstalled, them aximum
permissible speed is 30 mph(50 km/h).
R Vehicles with Parking Assis t:do no tuse
Pa rking Assis tPARKTRONIC if sno wchains
ar ei nstalled.
% Youc an deactivat eESP®
to pull away
( / pag e148). This all ows thewheels to
spin, achieving an increased driving forc e. Ti
re pressure Note
sont irep ressure &
WARNING Risk of accident du etoinsuf‐
fi cient or excessiv etirep ressure
Underinfla tedoro verinfla tedt ires pose the
fo llowing risks:
R The tires ma yburst,e speciall yasthe load
and vehicle speed increase.
R The tires ma ywear excessively and/or
une venly ,w hich ma ygreatly impair tire
traction.
R The driving characteristics, as well as
st eering and braking, ma ybegreatly
impaired. #
Compl ywitht he recommended tire
pressur eand checkt he tir epressur eof
all tires including thes par ew heel regu‐
larly:
R at leas tonce amonth
R when thel oad changes
R befor eembarkin gonalongerjourney
R if operating conditions change, e.g .off-
ro ad driving #
Adjus tthe tir epressur easn ecessar y. Driving wi
thtirep ressur ethat is tooh igh or too
lo wh asthef ollowing consequences:
R Shor tent he service lif eofthe tires.
R Cause increased tir edamage.
R Adversely af fect handling characteristic sand
th us drivin gsafet y, e.g. due tohydroplaning. &
WARNING Risk of an accident du eto
insuf ficient tir epressure
Ti re sw ithp ressur ethat is tool ow can over‐
heat and bur stas aresult.
In addition ,the ya lso suf ferf rome xcessive
and/or ir regular wear,w hic hc an significantly
impair theb raking properties and theh an‐
dling characteristics. #
Avoid excessively lo wtirep ressures in
all thet ires, including thes par ew heel. Ti
re pressur ewhichist oo lo wcan cause:
R Tire faults as aresult of overheating
R Impaired handling characteristics
R Irre gular wear
R Increased fuel consum ption &
WARNING Risk of accident from exces‐
siv etirep ressu re
Ti re sw ithe xcessivel yhigh pressur ecan bur st
because they ared amaged mor eeasil yby
highw ayfill, po tholes etc.
In addition, they also suf ferf romi rregular
we ar,w hic hc an significantl yimp air theb rak‐
ing properties and theh andling characteris‐
tics. #
Avoid excessively high tir epressures in
all thet ires, including thes par ew heel. Excessively high tir
epressur ecan result in:
R Increased braking dis tance
R Impaired handling characteristics
R Irre gular wear
R Impaired drivin gcom fort
R Susceptibility todamage &
WARNING Risk of accident caused by
re peated drop in tir epressure
If th et irep ressur edrops repeatedly ,the
wheel, valveort irem aybe damaged. 246
Wheels and tires

Mak
esuretoo bservethef ollowing fur ther rela‐
te ds ubject:
R Notesont irep ressur e(/pag e246)
Checking thet irep ressur ewitht he tir epres‐
sur em onitoring sy stem
Requ irements:
R The ignition is switched on.
On-boar dcomputer:
4 Service 5
Tires
One of thef ollowing displa ysappears:
R The cur rent tir epressur eand tir etempera‐
tur eoft he individual wheels. Instrument Displa
ywithc olor display
R The cur rent tir epressur efor eac hwheel. Instrument Displa
ywithb lack and whit edisplay
R Tire pressure will be displaye dafter driving a
few minutes :the teach-in process of thes ys‐
te misn otyetc ompl ete. The tir epressures
ar ea lready being monitored. #
Compar ethe tir epressur ewitht he recom‐
mende dtirep ressur efor thec urrent ope rat‐
ing condition (/ page 247). Obse rvet he
no tesont iret emperatur e(/pag e246).
% 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 ap ressur egaug earehigher than those shown
bytheo n-boar dcomputer .Inthis
case, do no treduce thet irep ressure.
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubject:
R Notesont irep ressur e(/pag e246)
Rest arting thet irep ressur emonitor
Requ irements:
R The recommended tir epressu reis cor rectly
se tfor ther espectiv eoperating condition on
eac hoft he wheels (/ page246).
R Re
star tt he tir epressur emonitoring sys‐
te mi nthe following situations:
- The tir epressur ehaschanged.
- The wheels or tires ha vebeen changed or
newl yins talled.
On-boar dcomputer:
4 Service 5
Tires #
Scroll down in them enu.
The Use Current Pressures as New Refer-
ence Values messageappear sinthe multi‐
function displa y. #
Con firm them essag etoinitiat earestart.
The Tire Press. Monito rRestarted message
appear sinthe multifunction displa y.
Cur rent wa rning messages ar edeleteda nd
the 0077 yello ww arning lam pgoes out.
Af tery ou ha vedriven foraf ewminutes, the
sy stem checks whe ther thec urrent tir epres‐
su resa rewithin thes pecified range. The cur‐
re nt tir epressures ar ethen accep tedasr ef‐
erence values and monitored. 252
Wheels and tires