The jac
kmaytip. #
Press theS ervice button on thea ir sus‐
pension remo tecontrol befor eraising
th ev ehicle.
This pr events au tomatic readjustment
of thev ehicle le vela nd pr events it from
being raised or lo weredm anually. &
WARNING Risk of accident du etolow‐
ered or raised chassis
Drivin gwithal oweredorr aised chassis may
greatl yimp air brakin gand handlin gcharac‐
te rist ics. Youm ayalso exceed thep ermissible
ve hicle height when thec hassi sisraised. #
Setthe driving le velb efor epulling away. &
WARNING Risk of accident from mal‐
function of electronic le velc ontrol
If elect ronic le velc ontrol is malfunctioning,
th ev ehicle le velm aybe asymmetrical, too
high or tool ow.
The driving and steering characteristic softhe
ve hicle ma ybenoticeabl ydiffe re nt. #
Adapty our driving stylea ccording lyand
driv ecarefull y. #
Stop, paying attention toroad and traf‐
fi cc onditions. #
Consul taqualified specialis tworks hop. *
NO
TERisk of damag etothechassis from
lo we redv ehicle le vel If electronic le
velc ontrol is malfunctionin gor
re adjusts while youa redriving, thev ehicle
le ve lm aybe lo wered. #
Paya ttention tother oad conditions and
ensur ether eiss ufficient ground clear‐
ance. #
Driv ecarefully. The le
veloft hevehicle depends on vehicle load
and thel oad distribution. Elect ronic le velc ontrol
adjusts thel evel of ther ear axle automaticall yon
ve hicles wit hanair-sprung rear axle .The vehicle
le ve list hereb yalway sm aintained at thed riving
le ve l,re ga rdless of vehicle load. Driving dynamics
re main unaf fected. The height dif fere nce
between thes ides of thev ehicle ma ybeupto
0.4 in (1 cm). Electronic le
velc ontrol is no tengine-dependent
and is onl yoperational when thei gnition is
switched on. The electronic le velc ontrol com‐
pressor worksa udibl y.
% If
th ec ompressor worksc ons tantly or starts
up se veraltimes per minute, elect ronic le vel
control is malfunctioning.
Depending on thev ehicle equipment, electronic
le ve lc ontrol switches between manual and auto‐
matic mode depending on either thev ehicle
speed or thep osition of thep arking brake.
If electronic le velc ontrol switches depending on
ve hicle speed, manual operation is automatically
activated when thev ehicle is stationar y.Yo um ay
ra ise or lo werthe vehicle le vel. If yous ubse‐
qu ently drivefastert han 6mph (1 0km/h), man‐
ual mode is automaticall ydeactivated and auto‐
matic mode sets thev ehicle le vel.
If elect ronic le velc ontrol switches depending on
th ep arking brak eposition ,manual mode is auto‐
maticall yactivated when thep arking brak eis
applied. Youm ayraise or lo werthe vehicle le vel
to load and unload. If your elease thep arking
brake, manual mode is automaticall ydeactivated
and automatic mode sets thed riving le vel.
When working on thev ehicle or changing a
wheel, youc an deactivat eelectronic le velc ontrol
(/ page123).
If electronic le velc ontrol is malfunctionin gorthe
ve hicle le velist oo high or tool ow ,ana udible sig‐
nal sounds.
The drivin gand steering characteristic softhe
ve hicle will be noticeably dif fere nt. Electronic
le ve lc ontrol adjusts thev ehicle le veltot he nor‐
mal le velass oon as possible. Continue driving
carefull yuntil thea udible signal stops. Onl ythen
is thev ehicle at normal le vel.
Au tomatic mode and electronic le velc ontrol
automaticall yswitc hona gain to restor et he vehi‐
cle le vel, depending on theo ption selected:
R when thep arking brak eisreleased
R from speeds of appr oximatel y6mph
(1 0k m/h)
If th ee lectronic le velc ontrol compressor thre at‐
ens to ov erheat, e.g. due torepeated raising or
lo we ring wi thin as hor tperiod, elect ronic le vel
control is deactivated. Youc an raise or lo werthe
ve hicle le vela ga in af tera pproxima tely
one minu te. 12 2
Driving and pa rking
Problems with
thee lectronic le velc ontrol Problem
Possible causes/consequences and 0050 0050Solutions
Yo uc anno traise or lo wer
th ev ehicle le velw hen
st ationar y. The compressor is in danger of
overheating. Af terr epeatedly raising and
lo we ring thev ehicle, electronic le velc ontrol (pla yprotection )isdeactiva‐
te d. #
Trytos etthev ehicle le velm anuall yagain af tera pproxima tely
one minute.
Electri cleve lcontrol has been deactivated due tounde rvoltage. The bat‐
te ry ma ynotbe charging.
Handlin gand ride comfor tmaysuf fer. #
Startt he engine. #
Consult aqualified specialis tworks hop as soon as possible. Re
fueling Re
fueling thev ehicle &
WARNING Risk offire or explosion from
fuel
Fu els ar ehighly flammable. #
Fire, open flames ,smokin gand creation
of spar ksmus tbea voided. #
Swit chofft he ignition and, if available,
th es tationar yheater ,befor eand while
re fueling thev ehicle. &
WARNING Risk of inju ryfrom fuels
Fu els ar epoisonous and hazardous to your
health. #
Do no tswa llowf uel or le titcomeinto
con tact wi thskin, eyes or clo thing. #
Do no tinhale fuel vapor. #
Keep children away from fuel. #
Keep door sand windo wsclosed du ring
th er efueling process.
If yo uoro ther people come int ocontact with
fuel, obser vethef ollowing: #
Immediatel yrins efueloffyo ur skin with
soap and water. #
If fuel comes int ocontact wit hyour
ey es, immediatel yrins ethem thor‐
oughly wit hclean water.Seek medical
attentio nimmediately. #
Ifyo us wallowf uel, seek medical atten‐
tio nimmediatel y.Do no tinduce vomit‐
ing. #
Chang eimmediately out of clo thing that
has com eintoc ontact wi thfuel. &
WARNING Risk offire or explosion from
electros tatic charge
Electros tatic charge can crea tespar ksand
th ereb yignit efuel vapors. #
Befor eopenin gthe fuel filler cap or tak‐
ing hol dofthe pum pnozzle, touc ht he
me tallic body of thev ehicle.
This dischar gesa ny electros tatic charge
th at ma yhave built up. #
Do no tget intot he vehicle again during
th er efueling process.
Otherwise, electros tatic charge could
buil dupa gain. &
WARNING Risk offire from fuel mixture
Ve hicles wit hadiesel engine:
If yo um ix diese lfuel wit hgasoline ,the flash
poin toft he fuel mixtur eislowerthan that of
pur ediese lfuel.
While thee ngine is running ,component pa rts
in thee xhau stsystem ma yoverheat without
wa rning. #
Neverrefuel using gasoline. #
Neverm ixga soline wit hdiesel fuel. Driving and parking
12 5
*
NO
TEDo no tuse diese ltorefuel vehicles
wit hag asoline engine. If
yo ua cciden tally refuel wit hthe wrong fuel:
R Do no tswitc hthe ignition on. Otherwise
fuel can enter thee ngine.
Even small amounts of thew rong fuel
could result in damag etothe fuel sy stem
and thee ngine. The repair costs ar ehigh. #
Consult aqualified specialis tworks hop. #
Have thef uel tank and fue llin es drained
comple tely. *
NO
TEDo no tuse gasoline torefuel vehi‐
cles wit hadiesel engine. If
yo ua cciden tally refuel wit hthe wrong fuel:
R Do no tswitc hthe ignition on. Otherwise,
fuel can enter thef uel sy stem.
Even small amounts of thew rong fuel
could result in damag etothe fuel sy stem
and thee ngine. The repair costs ar ehigh. #
Consult aqualified specialis tworks hop. #
Have thef uel tank and fue llin es drained
comple tely. *
NO
TEDama getothef uel sy stem caused
by ove rfilled fuel tanks. #
Only fill th ef uel tank unti lthe pump
nozzle switches off. *
NO
TEFuel ma yspray out when you
re mo vethef uel pum pnozzle. #
Onlyfillthef uel tank unti lthe pump
nozzle switches off. *
NO
TEDama getopainted sur faces du eto
fuel #
Do no tspillany fuel on painted sur fa‐
ces. +
ENVI
RONMENTAL NOTEEnvironmental
damag eduetoimproper handlin goffuel If fuels ar
ehandled improperly ,the yp ose a
danger topersons and thee nvironment. #
Do no tallowf uels toruni ntot he sew‐
ag es ystem, thes urface wate rs,t he
ground waterorintot he ground. Re
quirements:
R The vehicle is unloc ked.
R The auxiliar yheating is deactivated.
R The ignition is switched off
R The front left-hand door is open.
% Do no
tget back intot he vehicle during the
re fueling process. Otherwise, electros tatic
ch arge could buil dupagain.
Obser vethen otes on operating fluids
(/ page233). 1
Fuelfiller flap
2 Fuelfiller cap
% The fuel
filler flap is besid ethe front left-hand
door when vie wedint he direction of tr avel.
The position of thef uel filler cap 00D4is also
shown in theI nstrument Displa y.The ar row
on thef illing pum pspecifies thes ide of the
ve hicle. #
Open fuel filler flap 1. #
Turn fuel filler cap 2coun ter-clockwise and
re mo veit. #
Close all vehicle door stopreve nt fue lvapors
from entering thev ehicle interior. #
Comple tely slide thef iller nec kofthe pump
nozzle int othe tank ,h oo kinp lace and refuel. #
Fillthef uel tank only unti lthe pum pnozzle
switches off. #
Replace fuel filler cap 2and tur nitclock‐
wise.
Yo uw ill hear aclickw hen thef uel filler cap is
close dfully. #
Open thef ront left-hand door. #
Close fuel filler flap 1. 12 6
Driving and pa rking
%
Ve
hicles with adiese lengine and incor‐
re ct fueling pr otector agains trefueling
wit hgasoline: thef iller nec kisdesigned for
re fueling at diesel filling pumps forp assenger
ve hicles. %
Ve
hicles with adiese lengine without
incor rect fueling pr otector: youc an also
re fuel at adiesel filling pum pfor truc ks.
% If
th ef uel tank ha sbeenr un comple tely dr y,
add at leas t1.3gal(5l)off uel. Problems wit
hthe fue land fuel tank Problem
Possible causes/consequences and 0050 0050Solutions
Fu el is leaking from the
ve hicle. The fuel line or
thef uel tank is de fective. #
Apply thep arking brake. #
Switc hoffthee ngine. #
Remo vethek eyfrom thei gnition loc k.
Or ,onv ehicles wit hKEYLESS‑GO: #
Open thed rive r's door.
The on-boar delectronics ar einposition 005A.This cor responds tothe
"k ey remo ved". #
Do no tres tart thee ngine under an ycircums tances. #
Consult aqualified specialis tworks hop.
The engine does not
st art. The fuel
tank ha sbeenr un comple tely dr y. #
Refuel thev ehicle wit hatleast1.3gal(5l)off uel. #
Swit chthei gnition on fora pproxima tely tens econds. #
Startt he engine continuously foram aximu moften seconds until it
ru ns smo othly.
If th ee ngine does no tstart: #
Switc hthe ignition on fora pproxima tely tens econds. #
Startt he engine continuously foram aximu moften seconds until it
ru ns smo othly.
If th ee ngine does no tstart afte rt hree attem pts: #
Consult aqualified specialis tworks hop. DEF
Note
sonD EF
* NO
TEWhe nyou open theD EFtank,
small amounts of ammoni avapor may
escape. #
OnlyfilltheD EFtank in well-ventilated
areas. #
Do no tlet DE Fc om eintoc ontact wi th
skin, eyes or clo thes. #
Keep DEFa wayfromc hildren. *
NO
TEDo no tinges tDEF. If DEF is swallo
wed: #
Immediatel yrins eo utyour mout hthor‐
oughly. #
Drink plenty of water. #
Seek medica lattentio nimmediately. *
NO
TEDama gecaused byadditives in
DE Forbyd iluting DEF The DEFe
xhaustgasa ftertreatment sy stem
could be destr oyed bythef ollowing:
R Additives in DEF Driving and parking
127
R
Diluting DEF #
Only us eDEF in acco rdanc ewithI SO
22 241. #
Do no tmix additives. #
Do no tdilut eD EF. *
NO
TEDama geand malfunctions caused
by impurities in DEF Impurities in DE
Fresult in thef ollowing:
R Higher emission values
R Damag etothe catalytic con verter
R Engine damage
R Malfunctions in theD EFexhaus tgas
af te rtre atment sy stem #
Avoid impurities in DEF. *
NO
TEDEF residue cr ystallizes af ter
some time. Remo veDEF residue. #
Immediatel yrins es urfaces that com ein
con tact wi thDEF when filling with
wate r. #
DEF can also be remo vedw ithad amp
clo thand col dwater. #
If DEF has alread ycrystallized, clean
using aspon geand col dwater. DE
Fisa liqu id urea solutio nused fore xhau stgas
af te rtre atment of diese lengines. In order fort he
ex haus tgas af tertre atment tofunction properly,
only use DEF in accordance wit hISO 222 41 .
DEF ha sthe following properties:
R non-t oxic
R colorless and odorless
R non-flammable
DE Fa vailability:
R youc an ha veDEF adde dbyfasts ervice at a
qu alified specialis tworks hop, e.g. an author‐
ized Mercedes-Benz Center.
R DEF is available at numerous gass tations via
DE Ffilling pumps.
R alternatively ,DEF isavailable at qualified spe‐
cialis tworks hops, e.g. an authorized
Mercedes-Benz Center ,and at numerous gas
st ations as aDEFrefill canis terorD EFrefill
bottle. %
DE
Ffreezes at atemperatur eofapprox‐
imatel y12.2 °F (-1 1°C).T he vehicle is equip‐
ped wit haDEF preheating sy stem at thef ac‐
to ry.T hism eans that winter operation is also
ensured fort emperatures belo w12.2 °F
(-1 1° C).Ify ou add DEF at temp eratures
belo w12.2 °F (-1 1°C),the DEF le velint he
instrument clus term aynotbed isplayedc or‐
re ctly .Ift he DEF is frozen, driv efor at least
20 minu tesa nd then par kthe vehicle fora
minimu mof30s econds, so that thel evel is
cor rectl yd ispla yed. In extreme winter condi‐
tions, thet ime needed todetect thet op-up
amount ma ybeconsiderably longer .Parkt he
ve hicle in awarmg arag etos peed up this
process.
% Ensur
ethe connection between ther efill con‐
ta iner and vehicle filler nec kdoes no tdrip.
Calling up theD EFrang ea nd DEF le velg auge
On-board computer:
4 Service #
Select DEFand confirm.
The DEF fill le vela nd theD EFrang ea ppea r. Instrument Displa
ywithc olo rdisplay
1 DEF range
2 DEF fill le vel Instrument Displa
ywithb lack and whit edis‐
play
1 DEFfill le vel
2 DEF range 12 8
Driving and pa rking
Ad
ding DEF
* NO
TEEngine damag eduetoDEF being
in thef uel #
DEFm ustn otbe used tofill th ef uel
ta nk. #
Only us eDEFtofill th eD EFtank. #
Do no toverfill theD EFtank. *
NO
TEContamination of thev ehicle inte‐
ri or due toDEF leakage #
Aftera dding, careful lyclos ethe DEF
re fill con tainer. #
Avoid car rying DE Frefill container sper‐
manentl yinthevehicle. Re
quirements:
R The ignition is switched off
The following messages that appear in succes‐
sion in them ultifunction displa yindicat ethat you
need torefill th eD EFtank:
R Refil lAdditive See Operator's Manual
The DEF tankhasfallen belo wthe firs tw arn‐
ing thre shold.
R Refill Additive Starts until Emerg. Op.: XXX
See Operator's Manual
The DEF supply has fallen belo wthe reser ve
mar k.
Af tert he messag eappear sfor thef irst time,
th er emaining DEF suppl ywill las tfor appr ox‐
ima tely 1,200 mile s(1,900 km) .The engine
can then onl ybestarted ano ther 16 times.
The numbe rofremaining engine starts XX(16
to 1) is shown in them essag eevery time the
engine is star ted.
R Refill Additiv eEmergenc yOp.: XXX mph See
Operator's Manual
Yo uc an only driv ethe vehicle at amaximum
speed of 5mph (8 km/h).
Yo uc an also ha vetheD EFfill le vela nd theD EF
ra ng ed ispl ay ed (/ page128). Openin
gthe DEF filler cap on filler caps that
ar en otloc kable #
Open theh ood. #
Turn DEF filler cap 1coun ter-clockwise and
re mo veit.
Opening theD EFfiller cap on loc kable filler
caps #
Open theh ood. #
Take tool 4 foru nlocking DEF filler cap 1
from thev ehicle tool kit. Driving and parking
12 9
#
Pull co ver3on DEF filler cap 1up, turn
90° and release. #
Inser ttool 4in holes 2of DEF filler cap
1. #
Turn DEF filler cap 1coun ter-clockwise and
re mo veit.
Preparing theD EFrefill canis ter Va
riant 1 Va
riant 2 #
Unscr ewthec ap on DEFr efill canister2. #
Screw disposable hose 1ontothe opening
of DEF refill canis ter2 until hand-tight. Ad
ding DEF Va
riant 1 Va
riant 2 #
Screwd isposable hose 2ontothe filler neck
of thev ehicle until hand-tight. #
Liftupa nd tip DEF refill canis ter1.
The filling proces sstops when theD EFtank is
comple tely full.
DEF refill canis ter1 can be remo vedw hen it
has been onl ypartiall yemp tied. #
Unscr ewdisposable hose 2and close DEF
re fill canis ter1 inreve rseo rder. #
Switc hont he ignition foratl east 60 seconds. #
Startt he vehicle.
% Av
oid storing DEF container spermanent lyin
th ev ehicle.
DEF refill bottle
Onl yscrew theD EF ref ill bottle hand-tigh tonto
th ef iller openin ginthe engine compartment. It
ma yotherwise be damaged. 13 0
Driving and pa rking
Closing
theD EFfiller cap on loc kable filler
caps #
Afterf illing theD EFtank ,p lace DEF filler cap
1 onthef iller nec kand tigh tenitc lock wise. #
Remo vetool 4 from DEF filler cap 1and
st or eitint hevehicle tool kit. #
Pull co ver3on DEF filler cap 1upover
holes 2of DEF filler cap 1,turna nd
re lease. #
Turn DEF filler cap 1.
If DE Ffiller cap 1turns freel y,theD EFtank
is closed. Park
ing Pa
rking thev ehicle &
WARNING Risk offire caused byhot
ex haus tsystemp arts
Flammable material suc hasleaves, grass or
twigs ma yignit eift heyc ome int ocontact
wi th hotp arts of thee xhau stsystem or
ex haus tgas flow. #
Park thev ehicle so that no flammable
material can com eintoc ontact wi thhot
ve hicle components. #
In particular ,donotpar kond rygrass‐
land or har vested grain fields. &
WARNING Risk of accident and injury
du etoc hildren lef tunat tende dint he
ve hicle
If ch ildren ar eleftu nat tende dint hevehicle,
th ey could:
R opendoors,t hereb yendangering other
persons or road users.
R geto utofthev ehicle and be hit by
oncomin gtraffic.
R operat evehicle equipment and become
trapped, fore xamp le.
In addition ,children could also se tthe vehicle
in motion, fore xamp le,by:
R releasing thep arking brake.
R shifting thea utomatic transmission out of
par kposition 005D.
R startin gthe engine #
Neverlea ve children and animals unat‐
te nde dint hevehicle. #
When leaving thev ehicle, alw ayst ake
th eS martK eywit hyou and loc kthe
ve hicle. #
Keep theS martK eyout of ther eac hof
ch ildren. *
NO
TEDama getothev ehicle or thed rive‐
train due torolling away #
Alwaysp arky our vehicle safely and
according tolegal requirements. #
Alwaysp roper lysecur ethe vehicle
agains trolling away. &
WARNING Risk of accident and injur yif
pa rking brak eisnotapplied
If yo up arkt he vehicle wit hthe transmission
in par kposition 005Dand thep arking brak eis
no te ngaged, thev ehicle ma yroll away.
Engaging pa rkposition 005Dis no tafully ade‐
qu ater eplacement fort he parking brake.
Ther eisar isk of accident and injur y. #
Secu rethev ehicle agains trolling away
as desc ribed belo w. 13 2
Driving and pa rking