Switching auxiliar
yheating on and off #
Toswitc hon:press the003B button. #
Toswitc hoff:press the003B button.
Switching on thes pecified temperature #
Swit chon thei gnition. #
Toswitc hon:press the003B button. #
Toswitc hoff:press the003B button. #
Setthe temp eratur eusing the0082 button. #
Press the003B button.
The redorb lue indicator lam ponthe003B
button goes on or off.
Color softhe indicator lamp:
R Blue: auxiliar yventilation has been switched
on.
R Red:auxilia ryheating has been switched on.
R Yello w: departur etime has been pre-selec‐
te d.
Au xilia ryheating or ventilation switches of fafter
am aximum of 50 minutes.
Swit ching heater boos term ode on and off #
Toswitc hon:star tt he engine. #
Press the003B button. #
Toswitc hoff:press the003B button.
Heater boos term ode willbes witched on at
an outsid etemperatur eoflessthan 32 °F
(0 °C) when necessar y.
% Heater boo
ster mode is available onl yfor
ve hicles wit hhot-water auxiliary heatings. Ad
justin gthe hot-water auxiliar yheaterw ith
the on-boar dcom puter
Re quirements:
R The fuel tank is filled abo vether eser vefuel
le ve l.
R The ignition is switched on.
On-boar dcomputer:
4 Settings 5
Heating
Setting thes witch-on time #
Select Settings. #
Selec tthe desired departur etime.
Ac tivatin gthe departur etime #
Activat ethe departur etime byticking the
box.
% Ensur
ethat A,Ba ndCe achc orrespond to a
programmed departur etime.
% The programmed time
remains se tonlyu ntil
th en exttime thee ngine is star ted.
Selecting prog rammed time #
Setthe requ ired programmed tim eA,BorC.
% The
requ ired prog rammed time A,BorC will
appea ronly if theb oxtoactivat ethe depar‐
tur etime is tic ked. #
Select ther equired programmed time by
swiping lef torright, e.g. A,BorC.
Problems with ho twater auxiliar yheating Problem
Possible causes/consequences and 0050 0050Solutions
FA IL00A3 Signal transmission between transmitter and
vehicle is malfunctioning. #
Chang eyour position in relation tothev ehicle, moving closer if nec‐
essar y.
FA IL Thestar terb atter yisn otsuf ficiently charge d. #
Charg ethe star terb atter y.
The fuel tank is no tfilled up tother eser veleve l. #
Refuel at then eares tgas station.
FA IL0099 Au
xilia ryheating is malfunctioning. #
Have thea uxiliar yheating checkedataq ualified specialis twork‐
shop. 102
Climat econtrol
&
WARNING Risk of accident whe nswitch‐
ing of fthe ignition when driving
If yo us wit ch offt he ignition while driving,
saf etyf unction sare re stricted or no longer
av ailable. This ma yaffect thep owersteering
sy stem and theb rake forc eb oosting, for
ex ample.
Yo uw illthen need touse considerabl ymore
fo rc etos teer and brake. #
Do no tswitc hoffthei gnition while driv‐
ing. &
DANG ER Risk of fata linjuries due to
ex haus tgases
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Inhaling
th ese exhaus tgases is hazardou stohealth
and can lead topoisoning. #
Neverlea ve thee ngine running in an
enclose dspace wi thout suf ficient venti‐
lation. &
DANG ER Risk of fata linjur ydue topoi‐
sonous exhaus tgases
If th et ailpipe is bloc kedors ufficient ventila‐
tion is no tpossible ,poisonous exhaus tgases
suc hasc arbon monoxide ma yenter thev ehi‐
cle. This is thec ase if thev ehicle getsstuck
in sno w,fore xamp le. #
Keep thet ailpipe and thea reaa round
th ev ehicle free from sno wwhen the
engine or thes tationar yheater ar erun‐
ning. #
Open awindo wont he windwar dside of
th ev ehicle toensur eana dequat esup‐
ply of fresh air. &
WARNING Risk of accident and inju ry
due tobeing under thei nfluence of alco‐
hol and drugs while driving
Driving when under thei nfluence of alcohol
and/or drugs is an extreme lydangerous com‐
bination .Evens mall quantitie sofalcohol or
drugs ma yaffect your reflexe s, perception
and judgment.
The probability of aserious or evenfatal acci‐
dent greatl yinc reases if youd rive when
unde rthe influence of alcohol or drugs. #
Do no tdrink alcohol or take drugs while
driving, and do no tallowa nyone todrive who has been drinkin
galcohol or taking
drugs. &
WARNING Risk of accident and injury
from ope rating mobil ecommunications
equipment
If yo uo perat emobile communication equip‐
men twhen driving, youw ill be distracted
from thet raffic situation .Thisc ould also
cause youtol ose control of thev ehicle.
The probability of aserious or evenfatal acci‐
dent inc reases greatl yifyou operat emobile
communication equipment when driving. #
Only operat emobile communication
equipment when thev ehicle is station‐
ar y. Fo
ry our owns afet y, alwa ys obser vethef ollowing
points when operating mobile communications
equipment:
R Obser vethel egal requ irements fort he coun‐
tr yinw hichyou ar edriving.
R While driving, on lyoperat emobile communi‐
cations equipment when thet raffic conditions
permit it. Youm ayotherwise be distracted
from thet raffic condition sand cause an acci‐
dent, inju ring yourself and others. &
WARNING Risk of accident du etoover‐
heated brak esystem
If yo ur esty our foot on theb rake pedal during
while driving, theb rake system ma yoverheat.
This increases theb raking dis tance and the
brak esystemm ayeve nfail. #
Neveru se theb rake pedal as afootrest. #
Do no tpress theb rake pedal and accel‐
erator pedal simultaneously while driv‐
ing. On long and
steep downhill gradients, yous hould
ch ang edowntoa lowe rgear in good time. Take
particular no teofthis when driving aladen vehi‐
cle. By doing so, youw ill mak euse of the
engine' sbraking ef fect. Thi srelie vest he load on
th eb rake system and pr events theb rake sf rom
ove rheating and wearing tooq uickl y. Driving and pa
rking 107
Information abou
ttranspor tbyrail
Tr ansportin gyour vehicle byrail ma ybes ubject
to cer tain restrictions or requ ires pecial meas‐
ures tobe take nins omecountrie sdue tovarying
tunnel height sand loading standards.
Yo uc an obtain information about this from any
authorized Mercedes-Benz Center.
Note sonb rakes &
WARNING Risk of skidding and of an
accident du etoshifting down on slippery
ro ad sur faces
If yo us hiftd ow nons lipperyroad sur faces to
inc rease thee ngine braking ef fect, thed rive
wheels ma ylose traction. #
Do no tshif td ow nons lipperyroad sur‐
fa ces toinc rease thee ngine braking
ef fect. &
WARNING Risk of accident du etothe
brak esystem overheating
If yo ul eave your foot on theb rake pedal
when driving, theb rake system ma yoverheat.
This increases theb raking dis tance and the
brak esystemm ayeve nfail. #
Neveru se theb rake pedal as afootrest. #
Do no tdepress theb rake pedal and the
accelerator pedal at thes ame time
while driving. Downhill
gradients
On long and steep downhill gradients yous hould
obse rvet he following instructions:
R invehicles wit hanautomatic transmission,
shif tdow ntos hiftranges 2or 1in good time
so that thee ngine is running at amediu mto
high engine speed (/ page118).
% Chang
ethe shif trang eing oodt ime when
cruise control is acti vated. Obser vethed riv‐
ing tips (/ page106).
Yo ut hereb ymakeu se of theb raking ef fect of the
engine and do no thave tobrak easo ften tomain‐
tai nt he speed. This relie vest he load on the
service brak eand pr events theb rake sf romo ver‐
heating and wearing tooq uickl y. Heavy and light loads &
WARNING Risk of accident du etothe
brak esystemo verheating
If yo ul eave your foot on theb rake pedal
when driving, theb rake system ma yoverheat.
This increases theb raking dis tance and the
brak esystemm ayeve nfail. #
Neveru se theb rake pedal as afootrest. #
Do no tdepress theb rake pedal and the
accelerator pedal at thes ame time
while driving. If
th eb rake sh aveb een subjected toah eavy
load, do no tstopt he vehicle immediately .Drive
on foras hortwhile. The brakes cool down more
qu ickl yint he air flow.
If th eb rake sh aveb een used onl ymoderatel y,
yo us houl doccasionall ytesttheir ef fectiveness.
To do this, brak emoref irml yfromah igher speed
while paying attention tothet raffic conditions.
The brakes will grip better as aresult.
We troad sur faces
If yo uh ave been driving foral ong time in heavy
ra in without braking, ther em aybe adelayed
re sponse when youf irst apply theb rake s. This
ma yalso occur af terd riving thro ugh acarwa sh
or deep water.Yo um ustd epress theb rake pedal
mor efirml y.Main tainal ongerd ista nc etot he
ve hicle in front.
While paying attention tothet raffic conditions,
yo us houl dbrakethe vehicle firm ly af terd riving
on aw etroad sur face or thro ugh acarwa sh. This
heats theb rake discs so that they drym ore
qu ickl y,whic hprotects them agains tcorrosion.
Limited braking ef fect on salt-trea tedr oads:
R alayer of salt on theb rake discs or brakepads
can increase braking dis tances conside rably,
or braking ma yhappen on onl yone side
R maintain an especiall ylarge safed ista nce to
th ev ehicle in front
To remo vethel aye rofs alt:
R apply theb rake sf romt ime totime ,paying
attention totraf ficc onditions
R carefully dep ress theb rake pedal at thee nd
of ajourne yand af tert he star tofan ewjour‐
ney
Checking theb rake pa dt hickness
In addition tomonitoring using theb rake pad wear
sensor ,regular lymonitor and checka ll of the Driving and pa
rking 109
Ru
les foro ff-road driving
Alw aysbea wareoftheg round clearance of the
ve hicle and avoid obs tacles suc hasdeept ire
ru ts.
Obs tacles can damag ethe following parts of the
ve hicle, fore xamp le:
R Suspension
R Driv etra in
R Fuel and suppl ytanks
Therefore, alw aysd rive slowl ywhen off-road. If
yo um ustd rive ov er obs tacles ,have thec o-driver
instruct you.
% Mercedes-Ben
zrecommends that youa ddi‐
tionall ycarry as hovela nd areco very rope
wit has hackle in thev ehicle.
R Mak esuret hat loadsa nd items of luggage
ar es ecurel ystore dorl ashed down
(/ page73).
R Before driving off-road, stop thev ehicle and
engag ealowgear.
R Vehicles with DSR: activateDSR when you
ar ed rivin gd ownhill (/ page121).
R All-wheel driv evehicles: activatethe all-
wheel driv e(/pag e120) and, if necessa ry,
activat ethe LOWR ANGE transmission ratio
(/ page 120).
R Ifth es urface requ ires, temp orarily deactivate
ASR when pulling away ( /pag e120).
R Onlydrive off-road wit hthe engine running
and agear engaged.
R Driv eslowl yand smo othly .W alkin gpace is
necessar yinmanys ituations.
R Avoid spinning thed rive nw heels.
R Alwayse nsur ethat thew heels remain in con‐
ta ct wi th theground.
R Exercise theu tmos tcaution when driving
across unfamiliar ,unpre dictable terrain. As a
precaution ,get outoft hevehicle totake a
look at ther out etobet akenfirs t.
R Lookoutforo bstacles (e.g .roc ks,h oles, tree
st umps and tir eruts).
R Avoid edges wher ethe sur face could crumble
or brea kaway.
Ru les forf ording off-road (all-wheel drive
ve hicles)
R Obser vethes afet yn otes and general no tes
on driving off-road. R
Chec kthe dep thand characteristic softhe
body of waterbefor efording. The waterm ust
no tbed eeper than 23.6 in (60 cm).
R The climat econtrol sy stem is switched off
(/ page96).
R The auxiliar yheating is switched off
(/ page101).
R Switc hona ll-whee ldrive ( /pag e119)a nd
engag eitonv ehicles wit hthe LOWR ANGE
transmission ratio (/ page 120).
R Restrict thes hiftrang eto1or 2.
R Avoid high engine speeds.
R Driv eslowl yand smoo thly at no mo rethan a
wa lkin gpace.
R Ensur ethat no bo wwavef orms while driving.
R Afterf ording, dr ythe brakes.
Af terd riving thro ugh abody of waterdeeper than
19 .7 in (50 cm), mak esuretoc heckallve hicle
fl uids fora ny signs of penetration bywater.
Checklis tafter driving off- road
If yo uf ind dama getothev ehicle af tero ff-road
driving, ha vethev ehicle checkedataq ualified
specialis tworks hop immediately.
Driving over rough terrain place sgreater
demands on your vehicle than normal road opera‐
tion. Chec kyour vehicle af terd riving on rough
te rrain. This allo wsyoutod etect damage
prom ptly and reduce ther isk of an accident for
yo urself and other road users. Clean your vehicle
th oroughly befor edriving on public roads.
Obse rvet he following point safter drivin goff-
ro ad, on con stru ction sites and befor edriving on
publi croads:
R Vehicles with DSR: deactivateDSR
(/ page121).
R All-wheel driv evehicles: deactivat ethe all-
wheel driv e(/pag e120).
R Activat eASR (/ page 120).
R Clean thee xterio rlighting, particularly the
headlamp sand tail lamps, and checkt hem
fo rd ama ge.
R Clean thef ront and rear licens eplates.
R Clean thew indshield, windo wsand outside
mir rors.
R Clean thes teps, entra nces and grab handles.
Thi sincreases thes afet yofy ourfoot ing.
R Clean thew heels and tires, wheel wells and
th eu nderbody of thev ehicle wit hawater jet. Driving and parking
11 3
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. 12 6
Driving and pa rking
*
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
(/ page325). 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. Drivin
gand 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 Driving and pa
rking 12 9
Displ
ayintheI nstrument Displa y(color display)
1 Cruise cont roliss elected
2 Setspeed gr ay:s peed is stored, cruise con‐
trol is deactivated
3 Setspeed green: speed is stored, cruise con‐
trol is activated
Sy stem limitations
Cruise control ma ybeunable tomaintain the
st ored speed on uphill gradients. The stored
speed is resumed when theg radient evens out.
On long and steep downhill gradients, yous hould
ch ang edowntoa lowe rgear in good time. Take
particular no teofthis when driving aladen vehi‐
cle. By doing so, youw ill mak euse of the
engine' sbraking ef fect. Thi srelie vest he load on
th eb rake system and pr events theb rake sf rom
ove rheating and wearing tooq uickl y.
Do no tuse cruise control in thef ollowing situa‐
tions:
R In traf fics ituations whe refrequent speed
ch anges ar erequired, e.g. in heavy traf ficor
on winding roads.
R On slippe ryroads. Accele rating can cause the
driv ewheels tolose traction and thev ehicle
could then skid.
R Ifyo ua redrivin gwhen visibilit yispoor.
Operating cruise cont rol&
WARNING Risk of accident du etostored
speed
If yo uc all up thes tore ds peed and this is
lo we rthan your cur rent speed ,the vehicle
decelerates. #
Take intoa ccount thet raffic situation
befor ecallin gupt hestored speed. Re
quirements:
R ESP ®
is activated, but ma ynotinter vene.
R The driving speed is at leas t15m ph
(20 km/h). #
Toactivat ecruise control: pushrocker
switch 1up. #
Remo veyour foot from thea ccelerator pedal.
The cur rent speed is then sa veda nd main‐
ta ined bythev ehicle. #
Push rocker switch 1up. #
Toincrease/reduce speed: pushrock er
switch 2up or down.
The stored speed is increased or reduced by
1m ph (1 km/h).
or #
Press rocker switch 2up or down and hold.
The stored speed is increased or reduced in
1m ph (1 km/h) increments.
or #
Push rocker switch 2beyond thep ressure
point.
The stored speed is increased or reduced by
5m ph (1 0km/h).
or #
Push rocker switch 2beyond thep ressure
point and hold.
The stored speed is increased or reduced in
5m ph (1 0km/h) increments.
or #
Accele rate thev ehicle tothed esired speed. #
Push rocker switch 2up.
If cruise cont rolisa ctivated and Traf ficS ign
Assi sthas de tected aspeed restriction sig nwith
am aximum permissible speed and this appears
in thei nstrument display: #
Toadop tthe de tected speed: pushrocker
switch 3up.
The maximum permissible speed shown by
th et raffic sign is stored and thev ehicle main‐
ta ins this speed. Driving and parking
14 3