&
WARNING Swerving of thev ehicle/
trailer combination due toinc reased
speed
If th ev ehicle/trailer combination swer ves,
yo uc an lose control of it.
The vehicle/trailer combination can even tip
ove r. #
Under no ci rcums tances shoul dyou try
to inc rease thes peed tostra ighten the
ve hicle/trailer combination. #
Reduce speed and do no tcounter-s teer. #
If necessar y,appl ythe brakes. &
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. &
WARNING Danger of accident du eto
unsuitable ball coupling
If yo ui nstall an unsuitable ball coupling, over‐
loading of thet railer hitc hand rear axle will
be ther esult. This is particularly thec ase if
th eb all coupling is relatively long or angled
dif fere ntl y.
The handling characteristic smaybe heavily
impaired and thet railer can become
de tach ed. Ther eisarisk offata linjur y. #
Only ins tallab all couplin gthat meets
th ep ermitted dimension sand has been
designed fort he trailer operation
re qu irements. #
Do no tmodif ythe ball coupling or the
traile rhitch. &
WARNING Risk of accident and inju ry
due toan incor rectl yins talled ball cou‐
pling
If th eb all coupling is no tins talled and
engaged cor rectly ,itm aybecome de tach ed
during tr avel and endanger other road users.
Ther eisar isk offata linjur y. #
Install and secur ethe ball coupling as
described in theb all coupling manufac‐
turer's ins tallation instructions. #
When theb all coupling has been ins tal‐
led, ensur ethat it is cor rectly secu red
befor eevery trip. &
WARNING Risk of accident du etoan
incor rectl yins tal led and secured ball
neck
If th eb all nec kisnotcor rectl yins talled and
secured, thet railer can become de tach ed. #
Install and secur ethe ball nec kas
described in theb all nec kmanufactur‐
er's ins tallation instructions. #
When theb all nec khas been ins talled,
ensur ethat it is cor rectly secu red
befor eevery trip *
NO
TEWearing out theb rake linings by
continuously dep ressing theb rake pedal #
Do no tdepress theb rake pedal continu‐
ously whils tdriving. #
Touse theb raking ef fect of thee ngine,
shif ttoa lowe rgear in good time. Alw
aysc ompl ywitht he operating instructions of
th em anufacturer of thet railer coupling and the
ball nec k.
Place your vehicle/trailer combination on sur fa‐
ces that ar ease vena spossible and secu reit
agains trolling away ( /pag e132). Coupl eand
uncoupl ethe trailer carefully.
When backing up thet ow ing vehicle, ensur ethat
th er eisn o-one between thev ehicle and the
traile r.
If yo udon otconnec tthe trailer tothet ow ing
ve hicle cor rectly ,the trailer ma ybecome
de tach ed. Onceith as been connected and is
ro adwor thy, thet railer mus tbeinah orizontal
position behind thet ow ing vehicle.
No tethef ollowing rega rding thet ongue weight:
R Mak efull use of them aximum tongu eweight,
wher epossible
R Do no texceed or fall belo wthe permitted
to ngu eweight
Do no texceed thef ollowing values:
R Perm itted braked or unbraked towing capa‐
city 15 2
Driving and pa rking
The maximum permissible
towing capacity for
traile rswithout aseparat ebrakin gsystemis
1, 653 lbs (750 kg).
R Perm issible rear axle load of thet ow ing vehi‐
cle
R Perm issible gross mass of thet ow ing vehicle
R Perm issible gross mass of thet railer
R Perm issible gross towing mass
R Maximum permissible speed of thet railer
The releva nt pe rmitted values, whic hmustn otbe
exc eeded, can be found in thef ollowing places:
R Inyour vehicle documents
R Onthei dentification plat eofthe trailer hitch
R Onthet railer's identification plate
R Onthev ehicle identification plate
If th er ea rediscrepancies between thev alues, the
lo we stone shall appl y.
Befor edriving off, ensu rethef ollowing:
R The tir epressur eont herear axle of thet ow‐
ing vehicle has been se tfor them aximum
load.
R The headlamps ha vebeen se tcorrectly.
Va lues appr ovedbyt he manufacturer can be
fo und on thei dentification plates and in thes ec‐
tion fort he towing vehicle (/ page205).
Yo ur vehicle will act dif fere ntl yw ithat railer rela‐
tiv etow ithout atrailer:
R The vehicle/trailer combination will be heav‐
ier.
R The vehicle/trailer combination will be
re stricted in its acceleration and climbing
ability.
R The vehicle/trailer combination will ha vean
inc reased brakin gdista nce.
R The vehicle/trailer combination will be more
susceptible tocrosswind gu sts.
R The vehicle/trailer combination will require
mor esensitiv esteering.
R The vehicle/trailer combination will ha ve a
lar gerturning radius.
This ma yimp air thev ehicle's driving characteris‐
tics.
When drivin gwithav ehicle/trailer combination,
alw aysa dap tyour speed tothec urrent road and
we ather conditions. Driv ecarefull y.Ke ep asuffi‐
cient saf edista nce. Co
mp ly wi th th emaximum speed of 49 mph
(80 km/h) or 62 mph(100k m/h), eveninc oun‐
trie sinw hich highe rspeed sareperm itted for
ve hicle/trailer combinations.
Comply wit hthe legally prescribed maximum
speed forv ehicle/trailer combination sinforce in
th ec ount ry,s tate or Canadian pr ovinc einq ues‐
tion. Befor edriving, consult thet railer's vehicle
documents tosee them aximum permissible
speed fory our trailer.
At tach onl yana pprove dtrailer hitc htoyourvehi‐
cle. Use onl yaball nec kthat has been appr oved
fo ry our vehicle. Further information about availa‐
bilit yand ins tallation of thet railer electrical sys‐
te misa vailable from an yqualified specialist
wo rkshop.
The trailer hitc hisone of them ostimp ortant
ve hicle parts forr oad saf ety. Compl ywitht he
instructions on operating, maintaining and servic‐
ing in them anufacturer's operating instructions.
% Yo
ur vehicle's bumper sarenots uitable for
ins talling de tach able trailer towh itch es.
Do no tattac hanyrented traile rtow hitches or
an yo ther de tach able trailer towh itch es tothe
bumpers.
% When using
atrailer ,remember that
PA RKTRONI Cisavailable onl ytoalimited
ex tent, if at all.
% The ball hea
dheight will chang edepending
on thev ehicle's load. In this case, use a
trailer wit haheight-adjus table dr awbar.
Driving no tes
The maximum permissible speed forv ehicle/
trailer combination sdepends on thet ype of
trailer .Befor edriving, consult thet railer's vehicle
documents tosee them aximum permissible
speed fory our trailer.
Yo ur vehicle will act dif fere ntly wi thatrailer rela‐
tiv etow ithout atrailer ,and will consume more
fuel. In thec ase of along and steep descent, you
mus tselect shif trange 3,2or 1in good time.
% This also applies if
thec ruise cont rolis
switched on.
Yo uw illthereb ymakeu se of thee ngine' sbraking
ef fect and will no thave tobrak easo ften tocon‐
trol thes peed. This will take some of thes train
of ft he brak esystema nd pr event theb rake sf rom
ove rheating and wearing tooq uickl y.Ifyo un eed
additional braking, depress theb rake pedal inter‐
mittently rath er than continuousl y. Driving and pa
rking 15 3
Re
setting values on theo n-boa rdcompu ter
trip menu On-board computer:
4 Trip
% The spelling of
thed ispla yedm ain menu may
dif fer. Therefore, pa yattention tothem enu
ove rviewf orthei nstrument display
(/ page159).
Yo uc an rese tthe values of thef ollowing func‐
tions:
R Trip Odometer:
- Reset Trip Odometer?
R Trip computer:
- FromS tart
- FromR eset
R ECOd isplay #
Selec tthe function that is tobe rese ta nd
confir mthis selection. #
Confir mtheReset Values? promptwith Yes. Calling up settings on
theo n-boa rdcompu ter On-boar
dcomputer:
4 Settings
The following ent ries can be se tonthe Settings
menu:
R DriveAssist
- Switching ESP(ESP) on and off
- Switching Akt. Spurhalte-Assistent (Active
Lane Keeping Assist) on and off
- Switching Spurhalte-Assistent (Lane
Ke eping Assist) on and off
- Switching Aktiver Brems-Assistent (Active
Brak eAssist) on and off
- Switching Totwinkel-Assistent (Blind Spot
Assist) on and off
- Switching Attention Assist (Attention
Assist) on and off
R Light
- Switching Tagfahrlicht (Daytimerunning
lights )ona nd off
- Switching Leuchtzeitinnen (Illumination
pe riod inside) on and off
- Switching Leuchtzeit außen (Illumination
period outside) on and off -
Switching Auffindbeleuchtung (Locator
lighting) on and off
- Setting Instrument lighting
R Vehicle
- Setting Winterreifen-Limit (Winter tires
limit)
- Switching Akust.Schließen (Acoustic
locking) on and off
- Switching Autom. Verriegelung (Autom.
locking) on and off
- Switching Ruhezustand (Standby) on and
off
- Switching Regensensor (Rainsensor) on
and off
R Setting Heating
R Displa yand Operation
- Selecting Sprache (Language)
- Setting Uhrzeit
- Setting Datum
- Setting Einheiten
- Switching pe rmanent Display DE VLevel
on and off
- Operation: Swit chAkust. Bedienrückmeld.
(Acou stic operational feedback) on and
of fa nd set Touch-Control-Empfindl.
(Touch-Cont rols ensitivity)
R Factory Settings:R estoring settings #
Select an entr yand confir mthe selection. #
Mak ethe necessar ychanges. Instrument Displa
yand on-boar dcomputer 16 3
#
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 (/ page173). #
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
(/ page100). #
Switc hoffthee ngine. #
Open theh ood (/ page173). 18 0
Maintenance and care
#
Place asuitable collector beneat hdrain hose
2. #
Switc hont he ignition. #
Open drain scr ew1 until thew ater/fuel
mixtur eemerges from drain hose 2.#
Close drain scr ew1 as soon as around
0. 2qt( 0.2l iter) of thew ater/fuel mixtur ehas
been collected.
Af ter30s econds, thee lectrical fuel pump
automaticall ystops thed ischarg eofthe
wate r/fuel mixture. #
Afterd raining, switc hoffthei gnition. #
Dispose of thec ollected water/fuel mixture
in an environmentally responsible manner,
e.g. at aqualified specialis tworks hop. #
Chec kthat drain scr ew1 has been closed.
If th ee ngine is running whil edrain scr ew 1
is open, youw ill lose fuel thro ugh drain hose
2. #
Close theh ood (/ page173). #
003A The indicator lam pdoesn otgo out
af te rd raining: drainthe fuel filter again. #
003ATh eindica torlam pd oesn otgo out
af te rt he second draining: consultaquali‐
fi ed specialis tworks hop.
Mercedes-Benz recommends that youh avet he
fuel filter drained at aqualified specialis twork‐
shop. Cleaning and care
Note
sonw ashingthe vehicl einana utomatic
car wash &
WARNING Risk of accident du eto
re duced braking ef fect af terw ashing the
ve hicle
The braking ef fect is reduced af terw ashing
th ev ehicle. #
Aftert he vehicle has been washed,
brak ecarefully while paying attention to
th et raffic condition suntil theb raking
ef fect has bee nfully restored. *
NO
TERisk of damag etothe paintwork
and plastic components If
yo uw ash your vehicle in Touchles sAuto‐
matic Car Wash sy stems that use special
cleaning agents, thec leaning agentsu sed can damag
ethe paintwor korplastic components
of thev ehicle. #
Do no twash thev ehicle in Touchless
Au tomatic Car Wash sy stems that use
special cleaning agents. Mak
esuret hat thea utomatic car wash is suitable
fo rt he size of thev ehicle.
Befor ewashing thev ehicle in an automatic car
wa sh, fold in theo utside mir rors and remo veany
additional antennas. Otherwise, theo utside mir‐
ro rs,a ntennas or thev ehicle itself could be dam‐
aged.
Mak esurea nyadditional antennas ar ere-in stal‐
led and that theo utside mir rors aref ullyf olded
out again when youl eave thea utomatic car
wa sh.
To avo id damag etoyourvehicle, obser vethef ol‐
lowing befor eusing an automatic car wash:
R thes ide windo wsand thes liding windo ware
comple tely closed.
R theb lowe rfor ventilation and heating is
switched off.
R thew indshield wiper switc hisinposition005A.
If th ev ehicle is very dirty ,wash of fexcess dirt
befor ecleaning thev ehicle in an automatic car
wa sh.
% Re
moving thew ax from thew indshield and
th ew iper rubber safter wa shing thev ehicle,
will help avoid smearing and reduce wiper
noise. Note
sonu se ofapowe rwasher &
WARNING Risk of accident whe nusing
high-pressu recleaning equipment wi th
ro und-spr aynozzles
The wate rjet from around-spra ynozzle (dirt
grinder) ma ycaus edamag etotires and sus‐
pension components that is no tvisible.
Component sdamaged in this wa ym ayfail
unexpec tedly. #
Do no tuse high-p ressur ecleaning
equipment wit hround-spra ynozzle sto
clea nyour vehicle. #
Damaged tires or suspension compo‐
nentsm ustber eplaced immediatel y. Ne
veru se ap owe rwashe rinthevehicle interior.
The pressurized watercreated bythep ower Maintenance and care
181
Note
sonc leaning and car eP reve nting damag etothevehicle
Ste ps
R
Clea nthe electrically operated steps
and their housing wit hapower
wa sher.
R Afterc leaning, spr aythel ateral
guides wit hsilicone spr ay.
R Clean thes teps in theb umper wit ha
po we rw ashe r. Do no
tuse oil or grease as alubricant.
Aluminum
dropsides R
Brush down thea luminum dropsides
wit hw ater and aneutral or mild alka‐
line cleaning agent. Do no
tuse abrasiv ecleaning agents to
clea nthe dropsides. Note
soni nterior care &
WARNING Risk of inju ryfrom pla stic
parts breakin goffafte rt he use of sol‐
ve nt-based car eproducts
Ca reand cleaning products con tainin gsol‐
ve nts can cause su rfaces in thec ockpit to
become porous.
When thea irbags ar edeplo yed, plastic parts
ma ybreak away. #
Do no tuse anyc areorc leaning prod‐
ucts containing sol vents toclea nthe
cockpit. &
WARNING Risk of inju ryor deat hfrom
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, fore xamp le, cause seat belt stotear
or fail in an accident. #
Neverb lea ch or dy eseat belts. Obser
vethef ollowing no tes: Note
sonc leaning and car eP reve nting damag etothevehicle
Seat belts Clean withlukewa rmsoap ywater. R
Do no tuse chemical cleaning
agents.
R Do no tdrythes eat belt byheating
abo ve176°F( 80 °C) or in direct
sunlight.
Display Cleanthes urface carefully wi tham icro‐
fi ber clo thand LCD/TFT displ aycare
product. R
Switc hoffthed ispla yand le titcool
down.
R Do no tuse an yother agents.
Plastic trim R
Clean wit hadampm icrofiber clo th.
R Forh eavy soiling: use car eproduct
re commended forM ercedes-Benz . R
Do no taffix sticke rs,f ilms or similar.
R Do no tallowtoc ome int ocontact
wi th cosmetics, insect repellent and
sun creams.
Re alwo od/
trim ele‐
ments R
Clean wit hamicro fiber clo th.
R Blackpiano-lacquer look: clean with
ad am pcloth and soap ywater.
R Forh eavy soiling: use car eproduct
re commended forM ercedes-Benz . Do no
tuse sol vent-based cleaning
agents, polishes or waxes. Maintenance and care
18 5
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 (/ page119).
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 .This
allo ws th ewheels tospin, 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 wc an:
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 to hydroplaning. &
WARNING Risk of an accident du eto
insuf ficient tir epressu re
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 malfunctions 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 ressure
Ti re sw ithe xcessively high 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.
Insuf ficient tir epressu recan cause thet ires
to bur st. #
Inspect thet iref or signs of fore ign
objects. 204
Wheels and tires
tire's ability
tocome toas tandstill on awetpave‐
ment under controlle dconditions on aspecified
U. S. go vernment test sur face mad efroma sphalt
and concr ete.
Te mp eratur egrade &
WARNING Risk of accident from tire
ove rheating and tir efailure
The temp eratur egrade fort his tir eisestab‐
lished forat iret hat is properly inflated and
no to verloaded. Excessiv espeed, underinfla‐
tion, or excessiv eloading, either separatel yor
in combination, can cause excessiv eheat
build-up and possible tir efailure. #
Obser vether ecommended tir epres‐
sures and regular lych eckt he tir epres‐
sur eofa ll tires including thes pare
wheel. #
Adjus tthe tir epressur easn ecessar y. The
temp eratur egrades ar eA(highes tgrade), B
and C. These relat etoat ire'sresis tance toheat
and its ability torelease heat on aspecified test
wheel in laborator ytests under cont rolled condi‐
tions. Sus tained high temp eratures can cause the
material of thet iretod egenerat eand reduce tire
life. In addition, excessivel yhigh temp eratures
can lead tosudden tir efailure. Grade Crefer sto
ap erform anc ewhicha ll passenger vehicle tires
mus texhibit, accordin gtotheU.S. Depa rtment
of Transpor tation's requ irements. Information on DO
Tand TIN (Tir eIdentifica‐
tion Number) U.
S. tir eregulations indicat ethat everyt irem an‐
ufacturer or retreade rmustimp rint aT IN in or on
th es ide wall of eac htirep roduced. %
The dat
ashown in thei llustration is sample
data. The TIN is
aunique identification number fort ires
and consists of thef ollowing components:
R DOT(Department of Transportation): tire
symbol 1indicates that thet irec omplies
wit hthe requ irements of theU .S. Depa rtment
of Transpor tation.
R Manufacturer identi fication code: manu‐
fa cturer identification code 2prov ides infor‐
matio nabout thet irem anufacturer .New tires
ha ve ac odew itht wo symbols. Retreaded
tires ha veac odew ithf our symbols.F or fur‐
th er information about retreade dtires, see
(/ page 218).
R Tire size: identifier 3describes thet ires ize.
R Tire type code: tiret ypec ode 4can be
used bythem anufacturer as acode to
describe specific characteristic softhe tire.
R Dat eofm anufactu re:date of manufacture
5 prov ides informatio nabout thea geof a
tire. The 1s tand 2nd number sindicat ethe
calendar week and the3 rdand 4t hnumbers
indicat ethe year of manufactur e(e.g. "3208"
re fers to the3 2ndw eek of they ear 2008). Information on maximum tir
eload %
The dat
ashown in thei llustration is sample
data.
Maximum tir eload 1isthem aximum permissi‐
ble weight forw hichthe tir eisa pprove d.
Do no toverload thet ires by ex ceeding them axi‐
mum permissible load. The maximum permissible
load can be found on thev ehicle's Tire and Load‐
ing In form atio nplacar dont he B-pillar on thed riv‐
er's side (/ page210). 214
Wheels and tires