&
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. #
Allo wthe 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 .C hec kusing theo n-
boar dcomputer (/ page267),ch eckw ith
th eo il dipstic k(/pag e266). 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. #
Allo wthe engine tocool down and only
to uc hc omponent parts desc ribed in the
fo llowing. 268
Maintenance and care
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 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. #
Inthee vent of afireint he engine com‐
partment, keep theh ood closed and call
th ef ires ervice. &
WARNING Risk of scalding from hot
coolant
The engine cooling sy stem is pressurized,
particular lywhen thee ngine is warm.Ify ou
open thec ap, youc oul dbes calded byhot
coolant spr aying out. #
Letthe engine cool down befor eopen‐
ing thec ap. #
When opening thec ap, wear pr otective
gl ove sand saf etyg lasses. #
Open thec ap slowl ytorelease pres‐
sure. Allo
wthe engine and thee ngine cooling sy stem
to cool down befor echecking thec oolant le velor
re filling coolant.
* NO
TEPaint wo rkdamag eduetocoolant If coolant
getsonp ainted sur faces, thep aint‐
wo rkcan be damaged. #
Addc oolant carefully. #
Remo vespilledc oolant. Checking
thec oolant le vel Example: coolant
expansion reser voir #
Park thev ehicle on an even sur face. #
Ope nthe hood (/ page264). #
Slowl yturnc oolant expansion reser voir cap
1 half aturnc oun ter-clockwise and allow
exc ess pressur etoescape. #
Turn coolant expansion reser voir cap 1fur‐
th er and remo veit. #
Chec kthe coolant le vel.
Ther eise nough coolan tincoolan texpansion
re ser voir if thec oolant reaches theM AX
mar k.
Ad ding coolant #
Refill th ec oolant totheM AX mar konthe
coolant expansion reser voir.
Onl yuse coolan tappr oved byMercedes-Benzto
avo id damagin gthe engine cooling sy stem. #
Replace coolant expansion reser voir cap 1
and tigh tenina clockwise direction. #
Startt he engine. #
Aftera pproxima tely five minutes, switc hoff
th ee ngine again and allo wittocool down. #
Che ckthec oolant le vela ga in and add coolant
if necessar y.
% Obser
veadditional coolant information
(/ page331). Main
tenance and care 269
Fi
lling up thew indshield washer sy stem &
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. #
Allo wthe engine tocool down and only
to uc hc omponent parts desc ribed in the
fo llowing. 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 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. #
Inthee vent of afireint he engine com‐
partment, keep theh ood closed and call
th ef ires ervice. &
WARNING ‑Riskoff irea nd injur yfrom
windshiel dwashe rconcentrate
Wi ndshield washer concentrat eishighlyflam‐
mable. It could ignit eifitcomes int ocontact
wi th hote ngine component parts or the
ex haus tsystem. #
Mak esuret hat no windshield washer
concentrat espills out next tothef iller
opening. *
NO
TEDama getothee xterio rlighting
due tounsuitable windshield washer fluid Uns
uitable windshield washer fluid ma ydam‐
ag et he plastic sur face of thee xterio rlighting. #
Onlyuse windshield washer fluids that
ar ea lso suitable foru se on plast ic sur‐
fa ces, e.g. MB SummerFit or MB Winter‐
Fit. Ad
ding washer fluid Wa
sher fluid reser voir (e xamp le) #
Pre-mix thew ashe rfluid in thec orrect mixing
ra tio in acontainer. #
Park thev ehicle on alevel sur face and secu re
it agains trolling away ( /pag e133). #
Ope nthe hood (/ page264). #
Pull thec ap of washer fluid con tainer 1
upwards bythes trap. #
Pour in thep re-mixed washer fluid. #
Press cap 1onto thef iller openin guntil it
audibly engages. #
Close theh ood (/ page264).
% Mix
thew ashe rfluid wit hwindshield washer
concentrat eallye ar round. Compl ywitht he
information about windshield washer fluid in
th et echnical dat a(/ pag e332).
% Compl
ywitht he fur ther information about
windshield washer fluid (/ page332) Cleaning
thew ater drain valveoft he air
intak ebox &
WARNING Risk of inju rydue tomoving
parts
Cer tainc omponents in thee ngine compart‐
ment ma ycontinue tomo veor suddenly
mo veagain even af tert he ignition has been
switched off, e.g. thec ooler fan.
Ma kesur eoft hefollowing befor eperform ing
ta sk sint he engine compartment: #
Switc hthe ignition off. 270
Maintenance and care
#
Nevertouc hthe danger zone sur round‐
ing movin gcomponent parts ,e.g.t he
ro tatio na reaoft hefan. #
Remo vejewe lrya nd watches. #
Keep items of clo thing and hair away
from moving parts. &
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. #
Allo wthe engine tocool down and only
to uc hc omponent parts desc ribed in the
fo llowing. 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 #
Open theh ood (/ page264). #
Remo vedirtfromw ater drain valve 2 of air
intak ebox1 . Draining
thef uel filter &
WARNING Danger of fire and explosion
due tofuel
Fu els ar ehighly flammable. #
It is essential toavoid fire ,o pen flames,
smokin gand creating spar ks. #
Befor efilling up, switc hoffthee ngine,
and, if applicable, thea uxiliar yheating. &
WARNING Risk offire and explosion due
to fuel
Fu els ar ehighly flammable. Ther eisarisk of
fi re and explosion due tocontact wi thhot
component parts. #
Allo wthe engine and thee xhau stsys‐
te mtoc ool down. *
NO
TEEngine damag eduetodela yed
drainag eofthe fuel filter Ve
hicles with adiese lengine: delayed
drainag eofthe fuel filter can lead toengine
damage.
If the 003A indicator lam plights up, drain the
fuel filter immediately. +
ENVIRONMENTAL
NOTEEnvironmental
pollution du etodisposal in anon-envi‐
ro nmental ly-friendly manner #
Dispose of thew ater/fuel mixtur einan
environmentally-friendly manner. Mo
torO M642 #
Park thev ehicle in asafel ocation and secure
it agains trolling away. #
Switc hoffthea uxiliar yheating
(/ page101). #
Switc hoffthee ngine. #
Open theh ood (/ page264). Maintenanc
eand care 271
&
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 ma ybereleased. #
Alwayst hawaf roze nb atter youtfirst
befor echarging it or per form ing starting
assis tance. 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 thes ervice lif eofabatterythat has been
th awe dmaybe reduced drastically
R thes tart-u pb ehavior 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. Obser
vethef ollowing points during starting
assis tance and when chargin gthe battery:
R onlyuse undamaged jumper cables/charging
cables wit hasufficient 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 thej umper cables/charging cable mus tnot
come int ocontact wit hanyparts whic hmay
mo vewhen thee ngine is running
R alwa ys mak esuret 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: onlyuseab atter ychar ger
th at has been tested and appr ovedby
Mercedes-Benza ndread theo perating
instruction sfor your charge rb efor echarging
th eb atter y.
Obser vethea dditional following point sduring
st artin gassis tance:
R startin gassis tance ma yonly be pr ovided
using batteries wit hanominal voltag eof12V
R thev ehicles mus tnot to uche acho ther 282
Breakdown assis tance
R
vehicles with agasoline engine: onlyper‐
fo rm startin gassis tance when thee ngine and
ex haus tsystema recold #
Vehicles with abatter ymain switch: check
whe ther theb atter ymain switc hisswitched
on (/ page115). #
Secur ethe vehicle using thep arking brake. #
Vehicles with automatic transmission:
shif tthe transmission toposition 005D. #
Switc hoffthei gnition and all electrical con‐
sumers. #
Open theh ood (/ page264). Example: jump-s
tart connection point
% Right-hand-driv
evehicles: thej ump-s tart
connection points ma ybeonthe opposite
side. #
Remo vethec ove rfromt he positiv eterminal
on thed onor batter y. #
First,c onnec tthe positiv eterminal clam pof
th ej umper cables/charging cables tothe
positiv eterminal of theo ther vehicle's bat‐
te ry. #
With positiv eterminal clamp 2ofthe
jumper cable ,slide ther ed pr otectiv ecap on
jump-s tart connection point 1back witha
clockwis eturn. #
Connect thep ositiv eterminal clam ptothe
positiv eterminal of jump-s tart connection
point 1. #
During starting assistance: star tt he engine
of thed onor vehicle and le titrun at idle
speed. #
Connect then egativ eterminal of thed onor
batter ytothe ground point of your ow nv ehi‐ cle wit
hthe jumper cable/charging cable.
Begin wit hthe donor batter y. #
During starting assistance: star tt he engine
on your ow nv ehicle. #
When charging: star tt he chargin gprocess. #
During starting assistance: lett he engine
ru nf or afew minutes. #
During starting assistance: beforediscon‐
necting thej umper cable, switc honanelec‐
trical consumer on your ow nv ehicle, e.g. the
re ar wind owheater or lighting.
When thes tartin ga ssis tance/charging proces sis
comple te: #
First,r emo vethej umper cables/charging
cables from theg round point and negative
te rm inal of theo ther vehicle's batter y,then
from thep ositiv eterminal of jump-s tart con‐
nectio npoint 1and thep ositiv eterminal of
th eo ther vehicle's batter y.Eac htime ,begin
at thec ontacts on your ow nv ehicle.
The redp rotectiv ecap springs bac ktoits ini‐
tial position when positiv eterminal clamp 2
is disconnected from jump-s tartconnection
point 1.
Fu rther information can be obtained at aqualified
specialis tworks hop. Installing/removing
thef loor co vering (vehi‐
cles with rear wheel drive) &
WARNING Risk of accident du eto
object sinthe driver's foot we ll
Object sinthe driver's foot we ll ma yimp ede
pedal tr avel or bloc kadepressed pedal.
This jeopardizes theo perating and road
saf etyoft hevehicle. #
Stow all object sinthevehicle securely
so that they canno tget intot he driver's
fo ot we ll. #
Ensur efloor mats and carpets cannot
slip and pr ovide suf ficient room fort he
pedals. #
Do no tlay multiple floor mats or carpets
on topofo ne ano ther. Breakdown assis
tance 283
Otherwise,
gases or batter yacid could
escape.
R Mak esuret hat thed etachable parts ar econ‐
nec tedint he same wayasb efore. Disconnecting
thea uxiliar ybattery inthe
engine compa rtment *
NO
TEDama getothee lectrical assembly By disconnectin
gthe star terb atter ybefore
th ee ngine is switched of fand thek eyis
re mo vedf romt he ignition loc k,electrical
assemblies could be damaged. #
Switc hoffthee ngine and remo vethe
ke yf romt he ignition loc k.Then, release
th eb atter yclamps of thes tarter bat‐
te ry. #
Alwaysd isconnect thes tarterb atter yin
th eb atter ycase in thel eftf ootwell firs t.
Otherwise, electrica lassemblies, e.g.
th ea lternator ,could be damaged. *
NO
TEDama getothev ehicle's electron‐
ics Incor
rectly disconnecting thea uxiliar ybattery
can cause damag etothevehicle's electron‐
ics. #
Alwaysd isconnect thea uxiliar ybattery
as described in thef ollowing sequence.
Do no treve rset he batter yterminals
under an ycircums tances. #
Obser vethes afet ym easures and pr otection
notices when disconnectin gthe auxiliar ybat‐
te ry ( / pag e281). #
Switc hoffall electrical consumers. #
Switc hoffthee ngine and thep ower suppl y. #
Open theh ood (/ page264). #
Firstloosen and remo vethen egativ eterminal
clam pont he auxiliar ybatter ysot hatthe
cla mp is no longer in con tact wi th thetermi‐
nal. #
Remo vethep ositiv eterminal clam pcover. #
Loose nand remo vethep ositiv eterminal
clamp. To
wing or tow- starting Overvie
wofpermissible towing me thods In
thee vent of abreak down, Mercedes-Benz rec‐
ommends that youh ave thev ehicle transpor ted
ins tead of towe d.
* NO
TEDama getothev ehicle due to tow‐
ing away incor rectly #
Obser vethei nstruction sand no teson
to wing away. %
Ve
hicles with automatic transmission
and rear wheel drive: ifth er eisam alfunc‐
tion, thea utomatic transmission ma ybe
loc kedinp osition 005D.
If th ea utomatic transmission cann otbe shif‐
te dtop osition 005C,transpor tthe vehicle
(/ page289). Atow ing vehicle wit hlifting
equipment is requ ired forv ehicle transport. 286
Breakdown assis tance
Pe
rm issible towing me thods Bo
th axle sont he
gr ound Fr
ont axle raised Re
ar axle raised
Ve hicles wit hauto‐
matic transmission and
re ar wheel drive Ye
s, no fur ther than
31 miles (50 km) at
31 mp h(50 km/h) Ye
s, no fur ther than
31 miles (50 km) at
31 mp h(50 km/h) Ye
s, if thes teering
wheel is fixe dint he
center position wit ha
st eering wheel lock
Ve hicles wit hall-wheel
drive Ye
s, no fur ther than
31 miles (50 km) at
31 mp h(50 km/h) No
NoTo
wing wit haraisedaxle: towing should be
per form ed byatow ing compan y. To
wing away thev ehicle wit hbotha xleson
th eg round #
Obser vethen otes on permissible towing
me thods (/ page286). #
Mak esuret hat theb atter yisc onnected and
ch arge d.
When theb atter yisd ischar ged, thef ollowing sit‐
uations occur:
R The engine canno tbestarted.
R It is no tpossible torelease or appl ythe elec‐
tric parking brake.
R Vehicles with automatic transmission: the
automatic transmission canno tbeshiftedto
position 005Cor005D.
* NO
TEDama gedue to to wing away at
exc essivel yhigh speeds or overlong dis‐
ta nces The driv
etra in could be damaged when towing
at exc essively high speeds or over long dis‐
ta nces. #
Atow ing speed of 30 mph(50 km/h)
mus tnotbe exc eeded. #
Atow ing distanc eof30miles (50 km)
mus tnotbe exc eeded. %
Ve
hicles with automatic transmission
and rear wheel drive: ifth er eisam alfunc‐
tion, thea utomatic transmission ma ybe
loc kedinp osition 005D. If
th ea utomatic transmission cann otbe shif‐
te dtop osition 005C,transpor tthe vehicle
(/ page289). Atow ing vehicle wit hlifting
equipment is requ ired forv ehicle transport. &
WARNING Risk of accident whe ntow ing
av ehicle whic histoo heavy
If th ev ehicle being tow- star tedort owed
aw ay is heavier than thep ermissible gross
mass of your vehicle, thef ollowing situations
can occur:
R The towing eyem aybecome de tach ed.
R The vehicle/trailer combination may
swer veoreve noverturn. #
If ano ther vehicle is tow- star tedor
to we da way,its weight mus tnotexc eed
th ep ermissible gross mass of your own
ve hicle. If
av ehicle needs tobe towe dort ow st arted, its
we ight should no tbegreater that thep ermissible
gross mass of thet ow ing vehicle. #
Information on thev ehicle's permissible gross
mass can be found on thev ehicle identifica‐
tion plat e. #
Vehicles with automatic transmission: do
no to pen thed rive r's or front-passen gerd oor,
as thea utomatic transmission will automati‐
cally shif ttoposition 005D. #
Installth et ow ing eye( /pag e289). #
Secur ethe towing device. Breakdown assis
tance 287