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 posi tion in relation tothev ehicle, moving closer if nec‐
essar y.
FA IL The
star 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. Operating cargo compartment
ventilation If
yo ur vehicle is equipped wit haroofventilator,
yo uc an admit fresh air tothec argo compart‐
ment ,orextract ai rfromitasw ell. #
Switc hont he ignition. #
Toswitc hona ndextract: press switch 1
at thet op.
The roof ventilator remo vesu sed air from the
cargo compa rtment. #
Toswitc hona nd admit fresh air: press
switch 2attheb ottom.
The roof ventilator feeds fresh air int othe
carg ocompa rtment. #
Toswitc hoff:setthe switc htothe center
position. 108
Climat econtrol
Driving
Swit
ching on po wersuppl yori gnitionw ith
the start/s topb utton &
WARNING Risk of accident and inju ry
due tochildren lef tunat tende dint he
ve hicle
If ch ildren ar eleftu nat tende dint hevehicle,
th ey could:
R Ope ndoors,t hereb yendangering other
persons or road users.
R Getout and be stru ck byoncomin gtraf‐
fi c.
R Ope rate ve hicle equipment and become
trapped, fore xamp le.
In addition ,the children could also se tthe
ve hicle in motion, fore xamp leby:
R Releasing thep arking brake.
R Changing thet ransmission position.
R Startin gthe vehicle. #
Neverlea ve children unat tende dint he
ve hicle. #
When leaving thev ehicle, alw ayst ake
th ek eywit hyou and loc kthe vehicle. #
Keep thev ehicle keyo ut of reac hof
ch ildren. &
DANG ER Risk of deat hcause dby
ex haus tgases
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Inhaling
th ese exhaus tgases is hazardou stohealth
and leads topoisoning. #
Neverlea ve thee ngine or ,ifpresent,
th ea uxiliar yheating running in an
enclose dspace wi thout suf ficient venti‐
lation. &
WARNING Risk offire due toflammable
material in thee ngine compartmen tor
th ee xhau stsystem
Flammable materials brought in byeither ani‐
mals or environmen talinfluences ma yignit eif
th ey come int ocontact wi thhotp arts of the
engine or exhaus tsystem. #
Therefore, checkr egularly that ther ea re
no flammable materials in thee ngine
compartmen torontheexhaus tsystem. Re
quirements:
R The keyisind etection rang eoft he antenna
(/ page46) and thek eybat tery is no tdis‐
ch arge d. #
Toswitc hont he powersuppl y:press but‐
ton 1once.
Yo uc an no wactivat ethe windshield wipers,
fo re xamp le.
The po wersupp lyis switched of fagain when one
of thef ollowing condition sismet:
R The driver's door is open.
R Youp ress button 1twice. #
Toswitc hont he ignition: press button1
twice.
The indicator lamps appear in thei nstrument
clus ter.
The ignition is switched of fagain when one of the
fo llowing condition sismet:
R Youdon otstar tt he vehicle within
15 minutes.
R Youp ress button 1once. Drivin
gand parking 109
&
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 deat hcause dby
ex haus tgases
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Inhaling
th ese exhaus tgases is hazardou stohealth
and leads topoisoning. #
Neverlea ve thee ngine or ,ifpresent,
th ea uxiliar yheating 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 when thev ehicle
becomes stuc kins now, 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 side of thev ehi‐
cle facing away from thew ind toensure
an adequat esupply 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 swillt ak es ome of the
st ra in of fthe brak esystema nd pr eventthe
brakes from overheating and wearing tooq uickl y. 11 2
Driving and pa rking
Uns
uitable fuel can caus eengine damage. In for‐
mation abou tfuel can be found in the" Fuel" sec‐
tion (/ page248).
In fo rm atio nabout transpor tbyrail
Tr ansportin gyour vehicle byrail ma ybes ubject
to cer tain restrictions or requires 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 (/ page124).
% Cha
nget he shif trang eing oodt ime when
cruise control is acti vated. Obser vethed riv‐
ing tips (/ page111).
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
If
th eb rake sh ave been subjected toah eavy
load, do no tstopt he vehicle immediatel y.Drive
on foras hortwhile. The brakes cool down more
qu ickl yint he air flow.
If th eb rake sh ave been used onl ymoderately,
yo us houl doccasionall ytesttheir ef fectiveness.
To do this, brak emoref irml yfromah igherspeed
whil epaying attention tothet raffic conditions.
Th eb rake sw illg ripb ette rasar esult.
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.Maintai nagreater di stanc etot he
ve hicle in front.
While paying attention tothet raffic conditions,
yo us houl dbrake thev ehicle firm lyafte rd 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 brake‐
pads can increase braking dis tances consid‐
erably ,orbraking ma yhappen on only one
side
R Maintai nanespecially larg esafed ista nce to
th ev ehicle in front
To remo vethel ayer of salt:
R Appl ythe brakes from time totime ,paying
attention totraf ficc onditions
R Carefully depress 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
brakepads byper form ing avisual inspection to
look forp ad material wear.
If yo ua reunabl etoc heckthe brakepad wear on
th ei nside of thew heels, remo vethew heels if
yo up ossess ther equired skills, or visit aqualified
specialis tworks hop.
If th eb rake pad material thickness is less than
0. 12 in (3 mm), ha vetheb rake pads checkeda nd
re placed at aqualified specialis tworks hop, if
necessar y.
Do no tsolely rely on theb rake pad wear sensor. 11 4
Driving and pa rking
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
(/ page178).
R Before driving off-road, stop thev ehicle and
engag ealowgear.
R Vehicles with DSR: activateDSR when you
ar ed rivin gd ownhill (/ page127).
R All-wheel driv evehicles: activatethe all-
wheel driv e(/ pag e125) and ,ifnecessa ry,
activat ethe LOWR ANGE transmission ratio
(/ page 126).
R Ifth es urface requ ires, temp orarily deactivate
ESP ®
when pulling away .
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
(/ page101). R
The auxiliar yheating is switched off
(/ page106).
R Activat eall-whee ldrive ( /page 125) and
ac tivat eitonv ehicles wit hthe LOWR ANGE
transmission ratio (/ page 126).
R Restrict thes hiftrang eto 1or 2.
R Avoid high engine speeds.
R Driv eslowl yand smoo thly at no mor ethan 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) ,makes uretoc heckallve hicle
fl uids fora ny signs of penetration bywate r.
Checklis tafter driving off- road
Driving overrough 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 an dreduce ther isk of an accident for
yo urself and other road users. Clean your vehicle
th oroughly befor edriving on public roads.
If yo uf ind dama getothev ehicle af tero ff-road
driving, ha vethev ehicle checkedataq ualified
specialis tworks hop immediatel y.
Obser vethef ollowing points af terd riving off-
ro ad, on con stru ction sites and befor edriving on
publi croads:
R Vehicles with DSR: deactivateDSR
(/ page127).
R All-wheel driv evehicles: deactivat ethe all-
wheel driv e(/pag e125).
R Activat eESP®
.
R Clea nthe exterior lighting, particular lythe
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 sincrease sthe saf etyofy ourfoot ing.
R Clean thew heels and tires, wheel wells and
th eu nderbody of thev ehicle wit hawater jet.
Thi sincrease sroad adhesion ,especiall yon
we troadw ays.
R Chec kthe wheels and tires and wheel wells
fo rt rapped fore ign object sand remo vethem.
Tr apped fore ign object scan damag ethe 11 8
Driving and pa rking
Diesel pa
rticulat efilter Note
sonr egeneration &
DANG ER Risk of deat hcause dby
ex haus tgases
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Inhaling
th ese exhaus tgases is hazardou stohealth
and leads topoisoning. #
Neverlea ve thee ngine or ,ifpresent,
th ea uxiliar yheating running in an
enclose dspace wi thout suf ficient venti‐
lation. &
WARNING Risk offire caused byhot
ex haus tsystemp arts
Flammable materials suc hasleaves, grass or
twigs ma yignite. #
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. Re
generation wi thout inter ruption take sa ppr ox.
15 minutes.
If th ev ehicle is predominantl yused fors hor tdis‐
ta nce driving or extende dnon-operationa ltimes,
th is could lead toam alfunctio ninthe automatic
cleaning function fort he diesel particulat efilter.
As aresult, permanent blocking of thed iesel par‐
ticulat efilter ma yoccur .and fuel ma yalso accu‐
mulat einthe engine oil and cause engine failure.
If yo um ainlydriv eshor tdistan ces, yous hould
driv eonaf reew ay or go forac ountr ydrive for20
minutes every500 km (300 miles). This facili‐
ta test he diesel particulat efilter's burn-of fproc‐
ess.
* NO
TEDama gedue tohote xhau stgases During
rege neration, extremely ho texhau st
ga ses escape from thet ailpipe. #
During rege neration, maintai namini‐
mum di stanc eof7ft(2m)f romo ther
objects, e.g. par kedv ehicles. Displaying load
On-boar
dcomputer:
4 Service 5
Consumption Info
The load of thed iesel particulat efilter is dis‐
pla yed. Load displa
yat75% load #
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 dcomputer
(/ page120) Batter
ymain switch Note
sont he batter ymain switch *
NO
TEDama getothee lectrical sy stem If
yo ur emo vetheb atter ymain switch, it
could lead tothee lectrical sy stem becoming
damaged. #
Mak esuret hat thei gnition is switched
of fa nd that at leas t15minutes ha ve
passed befor eremoving theb attery
main switch. Otherwise, electrical sys‐
te mc omponents could be dama ged. Yo
uc an use theb atter ymain switc htodiscon‐
nect thec urrent toall your vehicle's consumers.
This will pr event uncontrolle dbattery discha rge
caused byquiescent cur rent consumers.
If yo ur vehicle is equipped wit hanauxiliary bat‐
te ry inthee ngine compartmen torinthe base of
th ec o-driver's seat, youm ustd isconnec tboth
batteries. Onl ythen is thee lectrical sy stem fully
disconnected from thep owe rsupp ly. 12 0
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 and explosion due
to electros tatic charge
Electros tatic charge can crea tespar ksand
th ereb yignit efuel vapors. #
Befor eyou open thef uel filler cap or
ta ke hold of thep um pn ozzle, touc ht he
me tallic vehicle body.
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 can
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
13 3
*
NO
TEDo no tuse diese ltorefuel vehicles
wit hag asoline engine If
yo uh ave accidentally refueled wit hthe
wrong fuel:
R Do no tswit ch th eignition 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 uh ave accidentally refueled wit hthe
wrong fuel:
R Do no tswit ch th eignition 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
(/ page247). 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. 134
Driving and pa rking