Drivin
gtips
If th et railer sw ays, remember thef ollowing
points:
R Do no taccelerat eunder an ycircums tances.
R Do no tcounter steer.
R If necessar y,appl ythe brakes.
% Yo
uc an pr eventthet railer from sw aying and
rock ingbyretrofitting stabilizer bar sortrailer
st abilit yprograms. Youc an obtain fur ther
information from an authorized Mercedes-
Benz Center.
R Maintain alarge rd ista nce than when driving
without atrailer.
R Avoid braking abruptl y.If possible, brak egen‐
tl yf irst of al lsot hatthet railer closes up
behind your vehicle. Then, increase theb rak‐
ing forc er apidl y.
R The values given fors tart-o ff gradeability
re fertos ea level. When driving in moun tain‐
ous areas, no tethat engine output, and there‐
fo re start-of fgradeability ,will dec rease with
inc reasin galtitude. Coupling/uncoupling
atrailer Coupling
atrailer
* NO
TEDama getothev ehicle batter ydue
to full discharge Charging
thet railer batter yusing thep ower
supply of thet railer can damag ethe vehicle
batter y. #
Do no tuse thev ehicle's po wersupply
to charge thet railer batter y. #
Shif tthe selector le vertop osition 005D. #
Appl ythe vehicle's parking brake. #
Close all thed oors. #
Position thet railer on alevel sur face behind
th ev ehicle.
% The ball head height
changes depending on
th ev ehicle's load. In this case, use atrailer
wit hah eight-adjus table trailer dr awbar. #
Couple up thet railer. #
Establish all electrical and other connections
to thet railer. #
Remo veobject sordevices whic hpreve nt the
traile rfromr olling, e.g. wheel choc ks. #
Release thet railer's parking brake.
% The
vehicle harness has acable connection
to theb rake light indicator lamp.
Obser vethem aximum permissible trailer dimen‐
sions (widt hand length).
Mos tUSs tatesa nd all Canadian pr ovinces pre‐
scribe thef ollowing points, and youa reurge ntly
re commended tocomply wi th these:
R Safetyc hains between thet ow ing vehicle and
th et railer .The chains should be routed in a
criss-cross pat tern unde rthe trailer dr awbar.
The ym ustbec onnected tothet railer tow
hitc hand no ttothe bumper or tothev ehicle
axle.
Lea vesuf ficient sla ckinthec hains. This
allo wsfore vens harp cornering.
R Aseparat ebrake system is requ ired forc er‐
ta in trailers.
R Asafet yf eatur eisrequired forb rake dt railers.
De term ine thes pecific requ irements acco rd‐
ing tother ele vant la ws.
If th et railer becomes de tach ed from thet ow‐
ing vehicle, thes afet yf eatur etrigger sthe
trailer brakes and can thus reduce thed anger.
Un coupling atrailer &
WARNING Risk of being crushed and
becoming trapped whe nuncoupling a
trailer
Whe nuncoupling atrail er wi than engaged
ine rtia-activated brake, your han dmay
become trapped between thev ehicle and the
traile rdrawbar. #
Do no tuncouple trailer swithan
engaged overrun brake. Do no
tuncouple atrailer wit hanoverrun brak ein
as tate ofove rrun. Otherwise, ther ebound of the
ove rrunb rake can damag eyour vehicle. #
Shif tthe selector le vertop osition 005D. #
Appl ythe vehicle's parking brake. #
Close all thed oors. #
Appl ythe trailer's parking brake. #
Secur ethe trailer agains trolling away wit ha
wheel choc kors imilar object. #
Remo vethet railer cables and saf etyc hains. #
Uncouple thet railer. 15 4
Driving and pa rking
Information abou
ttow ing atrailer Operatin
gatrailer is subject toman ystatutory
re gulations suc hasspeedrestrictions.
Man ystatesa lso requ ireana uxiliaryseparate
functional brakin gsystem when towing aweight
th at exc eeds acertain limit .For your saf ety, it is
re commended touse aseparat efunctional brak‐
ing sy stem on an ytowe dvehicle.
Mak esuret hat your trailer combinatio nmeets
local regulations. This no tonlya pplies to your
plac eofr esidence, but also to your destination.
In fo rm atio nont his can be obtained from the
police and local authorities.
Compl ywitht he following when driving wit ha
trailer:
R Practice cornering, stopping and backing up
in at raffic-free location. In this wa y,yo uw ill
ga in driving experience and become accus‐
to med tothen ew handling characteristics.
R Befor edriving, checkt he following:
- that thet railer towh itch and ball coupling
ar es ecure
- that thes afet ys wit ch forb rake dt railer sis
functioning cor rectly
- that thes afet yc hains ar esecur eand
undamaged
- that thee lectrical connection saresecure
- that thel ights ar efunctioning cor rectly
- thew heels ford ama geand cor rect tire
pressur e(/ page 202)
R Adjus tthe outside mir rors so that youh ave a
clea rviewoft herear sectio nofthe trailer.
R Ifth et railer is equipped wit hanindividual
braking sy stem, checkb efor eeachj ourney
whe ther theb rake sa refunctioning cor rectl y.
R Ifth et railer has electronicall ycont rolled
brakes, pull away carefully wi th thevehicle/
trailer combination .Brake manually using the
brak econtroller and checkw hether the
brakes ar efunctioning cor rectl y.
R Secu rethel oad on thet railer in line wit hthe
re qu irements and rules forl oad-securing
me thods.
R When driving wit hatrailer ,chec katr egular
inter vals that thel oad is secur eand that the
light sand brakes ar efunctioning cor rectl y.
R Bea rinm indthat theh andling characteristics
ar em oreu nstable when towing atrailer than when drivin
gwithout atrailer .Avoid sudden
st eering mo vements.
R The vehicle/trailer combination is heavier,
accelerates mor eslowl y,has areduced
climbing ability and an increased braking dis‐
ta nce. It is mor esusceptible toside winds
and requ ires careful steering.
R If possible, do no tbrake suddenl y,but rath er
moderately at firs tsot hatthet railer can acti‐
va te its brakes. Then inc rease thep ressur eon
th eb rake pedal.
R Ifth ea utomatic transmission shifts between
ge arsonu phill or downhill gradients, restrict
th es hiftrange. Select shif trang e4,3,2or1.
Al ow ergear and reduced speed decrease the
ri sk of engine damage.
R When driving on adownhill gradient, shif ttoa
lo we rgear touse thee ngine' sbraking ef fect.
Av oid cons tant braking, as this could cause
th ev ehicle brakes and possibly also the
traile rbrake stoo verheat.
R Ifth ec oolant temp eratur eincreases signifi‐
cant lywhen thea ir-conditionin gsystemis
switched on, switc hthe air-conditioning sys‐
te mo ff.
Coolant heat can also be dissipated by
switching thea irflow and thet emperatur eof
th eh eater or air conditioning tothem aximum
le ve l. Open thew indo wsif necessar y.
R When overtaking ,pay particular attention to
th ei ncreased overtakin gdista nce of your
ve hicle/trailer combination.
Due tothel engt hofy ourvehicle/trailer com‐
bination youw illrequ ireal onger stre tchof
ro ad befor eswit ching bac ktothe original
lane. Pe
rm issible trailer loads and trailer dr awbar
nose weights We
ight information &
WARNING Risk of accident du eto
unbraked trailer wit hexcessivel yhigh
gross weight
If yo ut ow atrailer without aseparat efunc‐
tional brakin gsystema ndagross trailer
we ight (G TW)ofm oret han 1635 lbs (750 kg),
th en thev ehicle brak esystemm ayove rheat.
This increases theb raking dis tance and the
brak esystem ma yevenf ail. Driving and parking
15 5
#
Alwaysu seatrailer wit haseparate
functional braking sy stem when towing
at railer wit hagross trailer weight
(G TW )ofm oret han 1635 lbs (750 kg). *
NO
TEDama getothed rive train, trans‐
mission or trailer towh itch due toexc ess
gross combination weight The permissible
grosscombination weight is
exc eeded.
The driv etrain, thet ransmission or thet railer
to wh itch ma ybed amaged. #
Compl ywitht he permissible gross com‐
bination weight. Fo
rv ehicles wit hapermissible gross vehicle
we ight of 11030 lbs (5003 kg),th ep ermissible
gross combination weight is less than thes um of
th ep ermissible gross vehicle weight plus thep er‐
missible trailer load. If either thev ehicle or the
traile risfully laden, thep ermitted gross vehicle
we ight or thep ermitted trailer load values are
re duced accordingly .Inthis case, youm ayonly
partially load thet railer or thev ehicle.
The gross trailer weight (G TW)isc alculated by
addin gthe weight of thet railer tothew eight of
th el oad and equipment. If thet railer is equipped
wit has eparat ebraking sy stem, then them axi‐
mum gross trailer weight is 500 0lbs (226 8kg) or
75 00 lbs (3402 kg).
Th em aximu mpermissible trailer dr awbar nose‐
we ight on theb all head is 500 lbs (22 7kg) or
75 0lbs (340 kg). Ho wever,th ea ctual trailer
dr aw bar nose weight mus tnotexc eed thev alue
given on thet railer towh itch or trailer identifica‐
tion plates. Wher ethe values dif fer, th el owest
va lue alw aysa pplies.
The permissible gross weight forv ehicle-trailer
combination s(GCWR)isc alculatedbyaddin gthe
gross weight of thet railer totheg ross vehicle
we ight including adrive r's weight of appr ox‐
imatel y150 lbs (68 kg). The maximum permissi‐
ble gross combination weight is vehicle-specific
and equipment-dependent .When driving wit ha
trailer ,you should no texceed them aximum per‐
mitted permissible gross weight forv ehicle-trailer
combination s(GCWR).
The permissible values, whic hmustn otbe exc ee‐
ded, can be found in your vehicle documents and
on thei dentification plates of thet railer tow
hitch, thet railer and thev ehicle. The values
appr ovedbyt he manufacturer can also be found in
the" Tech nical data" section. Wher ethe values
dif fer, th el owest value alw aysa pplies.
Loading thet railer
Use adrawbar nose weight that is as close as
possible tothem aximum permissible nose‐
we ight .Don otundershoo tthe minimum permis‐
sible nose weight .Otherwise, thet railer may
become de tach ed.
R Distribut ethe load over thev ehicle and the
traile rsoasn ot toexceed either them axi‐
mum permissible values fort he gross vehicle
we ight rating (GVWR )and gross traile rweight
(G TW ),th ep ermissible gross weight forv ehi‐
cle-trailer combination s(GCWR), nor them ax‐
imum permissible gross axle weight rating
(GAWR )and traile rdrawbar nose weight (TWR)
of your vehicle.
R Addthe rear axle load tothet railer dr awbar
nose weight of thet railer dr awbar on theb all
head (TWR). This will ensur ethat youdon ot
exc eed thep ermissible gross axle weight rat‐
ing (G AWR).
R Addthe vehicle load tothet railer dr awbar
nose weight of thet railer dr awbar on theb all
head (TWR). This will ensur ethat youdon ot
ex ceed thep ermissible gross vehicle weight
ra ting (GVWR).
Che cking thev ehicle and trailer weight
R Mak esuret hat thew eights of thet ow ing
ve hicle and thet railer comply wit hthe maxi‐
mum permissible values. Ha vethec ar/t railer
combination weighed on acalibrated weigh‐
ing machine. The car/trailer combination
comprises thet ow ing vehicle including driver,
passenger sand load as well as thel aden
trailer.
R Chec kthe maximum permissible gross axle
we ight rating of thef ront and rear axles
(GAWR), theg ross trailer weight (G TW),the
permissible gross weight forv ehicle-trailer
combination s(GCWR)a ndthet railer dr awbar
nose weight rating (TWR). Tr
aile rpowe rsupply Incor
rect cabling of thec onnector plug ma yinter‐
fe re wit ho ther electronic sy stems in thev ehicle.
Mercedes-Ben ztherefor erecommends that you
ha ve thec abling of thec onnector plug car ried
out at aqualified specialis tworks hop. 15 6
Driving and pa rking
Yo
uc an connec taccesso ries up toam aximum of
24 0Wtot he permanent po wersupply .Don ot
ch arge atrailer batter yusingthe po wersupply.
Yo ur vehicle ma ybeequipped wit harangeof
electrica lequ ipment fort railer operation.
Depending on your trailer ,you ma yneedan
adap terf or thee lectrical connection between the
traile rand your vehicle.
The trailer soc ketofy ourvehicle is equipped with
ap ermanent po wersupply at thef actor y.
The permanent po wersupply is suppliedv ia
trailer soc ketp in4.
No tethat thet railer's permanen tpowe rsupp lyis
no ts witched of fwhen thev ehicle's on-board
electrical sy stem voltag eisl ow.This could com‐
ple tely discharg eyour vehicle's star terb atter y.
Fu rther information on thee lectrical equipment
cur rentl yins tal led on your vehicle, and on ins tal‐
ling trailer elect rics, can be obtained at an yquali‐
fi ed specialis tworks hop. Driving and parking
157
Obser
vethef ollowing no tes: Note
sonc leaning and car eP reve nting damag etothevehicle
Wheels/rims Usewate rand acid-free whee lcleaner. R
Do no tuse acidi cwhee lcleaner sto
re mo vebrak edust. Otherwise, wheel
bolts and brak ecomponents ma ybe
damaged.
R Toavo id cor rosion of brak ediscs and
brakepads, driv efor afew minutes
af te rc leaning befor eparking the
ve hicle. The brak ediscs and brake‐
pads warm up and dr yout.
Wi ndo ws
Clean wind owsinside and outsid ewitha
dam pcloth and wit hacleaning agent
re commended forM ercedes-Benz . Do no
tuse dr ycloth sora brasiv eorsol‐
ve nt-based cleaning agents toclea nthe
insid eofw indows.
Wi per blades
Carefully clea nthe folded-a wayw iper
blade swithad ampcloth. Do no
tclean thew iper blades tooo ften.
Exterior
lighting Clean
thel enses wit hawetspong eand
mil dc leaning agent, e.g .car sha mpoo. Onl
yuse cleaning agents or clo thss uita‐
ble forp last ic lenses.
Sensors Cleanthes ensor sinthe front and rear
bumper and in ther adiator grill wit ha
sof tcloth and car shampoo. When usin
gapowerwashe r,ke ep am in‐
imum dis tance of 11.8 in (30 cm).
Re ar view
camera and
360° Cam‐
era Use clea
nwater and asoftc loth toclean
th ec amer alens. Do no
tuse ap owe rwashe r.
Tr aile rhitch
R
Remo vetrace sofrustont he ball,
e.g. wit hawireb rush.
R Remo vedirtw ithal int-free clo th.
R Afterc leaning, lightly oil or grease
th eb all head.
R Obser vethen otes on car einthe
trailer hitc hmanufactu rer's operat‐
ing instructions. Do no
tclean theb all nec kwithap ower
wa sher or sol vent.
Slidin gdoor
R
Remo vefore ign object sfromt he
vicinity of thec ontact plates and
contact pins of thes liding door.
R Clean thec ontact plates and contact
pins wit hamild cleaning agent and a
sof tcloth. Do no
toilor grease thec ontact plates
and thec ontact pins. 184
Maintenance and care
To
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 (/ page195). #
Makesur ethat 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
(/ page197).At ow 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 e198). #
Secur ethe towing device.
* NO
TEDama gedue toincor rect connec‐
tion #
Only connect thet ow ro pe or towb arto
th et ow ing eyes. %
Yo
uc an also secur ethe towing devic etothe
trailer hitch.
* NO
TEDama geand risk of accident when
to wing wit hatow ro pe Ther
eisar isk of an accident if youdon ot
obse rves afet ya nd pr otectiv emeasures when
to wing using atow ro pe.
Obser vethef ollowing points when towing
wit hat ow ro pe: #
Secur ethe towr ope on thes ame side
on bo thvehicles, if possible. #
Mak esuret he towr ope does not
exc eed thel egally prescribed length. #
Mar kthe towr ope in them iddle, e.g.
wit haw hitec loth (30 x30c m). This
makes other road user sawarethat a
ve hicle is being towe d. #
Obser vetheb rake lamps of thet ow ing
ve hicle while driving. Alw aysm aintain a
dis tance that ensures thet ow ro pe does
no ts ag. #
Do no tuse steel cables or chains to tow
yo ur vehicle. Otherwise, youc oul dd am‐
ag et he vehicle. #
Deactivat eautomatic locking (/ page45). #
Do no tactivat ethe HOLD function. #
Deactivat ethe tow- aw ay alar m(/pag e57). 19 6
Breakdown assis tance
#
Chec kwhether thew heel or valveh as a
leak. #
Ifyo ua reunabl etorectify thed amage,
contact aqualified specialis tworks hop. Yo
uc an find information on recommended tire
pressures fort he vehicle's factor y-ins talled tires
on thef ollowing labels:
R Tire and Loadin gInforma tionp lacar dont he
B‑pi llarofyour vehicle (/ page210).
R Tire pressur etable on thei nside of thef uel
fi ller flap .
Obse rvet he maximum tir epressure
(/ page215).
Use asuita ble tir epressur egaug etoc heckthe
tir ep ressure. The ou tera ppearance of atired oes
no tp ermit an yreliable conclusion about thet ire
pressure.
+ ENVIRONMEN
TALN OTE Environmental
damag eduetoinsuf ficient or excessive
tir ep ressure No
tethat insuf ficient or excessiv etirep res‐
sur eshor tens thes ervice lif eofthe tires. #
Forthis reason ,chec kthe tir epressure
re gularly ;atleastevery 14 days. Ve
hicles with atirep ressur emonitor: youc an
also checkt he tir epressur eusing theo n-board
computer.
Onl ycorrect tir epressur ewhent he tires are
cold. Conditions forc old tires:
R The vehicle has been par kedw itht he tires out
of direct sunlight foratl east thre eh ours.
R The vehicle has tr aveled less than 1m ile
(1.6 km).
Ar ise in thet iret emperatur eof18°F( 10°C)
increases thet irep ressur ebya pprox.10k Pa
(0. 1b ar/1.5 psi). Take this int oaccount when
ch ecking thet irep ressur eofw armt ires.
The tir epressur erecommended fori ncreased
load/spee dinthe tir epressur etable ma yaffect
th er ide comfort. &
WARNING Risk of accident du eto
unsuitable accesso ries on tir evalve
If yo um ountunsuitable accesso ries ont otire
va lves, thet irev alves ma ybeoverloaded and malfunction
,whic hc an cause aloss of tire
pressure. Af term arke ttirep ressur emonitor‐
ing sy stems will cause thet irev alvetor emain
open ,depending on thed esign. This can also
re sult in aloss of tir epressure. #
Only scr ewstandar dvalvec aps or valve
cap sspecifically appr ovedbyM ercedes-
Benz fory our vehicle ont othe tir evalve. Note
sont owing atrailer
The applicable tir epressures fort he tires of the
re ar axle is alw ayst he recommended tir epres‐
sur efor afull load. Ti
re pressur etable The tir
epressur etable can be found on thes eat
base or on theB ‑pillar on thed rive r's side.
% The dat
ashown in thei mages is example
data. The tir
epressur etable sho ws therecommended
tir ep ressu refort he tires ins talled at thef actory
on this vehicle. The recommended tir epressures
ar ev alid forc old tires and dif fere nt vehicle load
conditions.
If one or mor etires izes precede atirep ressure,
th et irep ressur einformation following is only
va lid fort hose tir esizes.
If th ep receding tir esizes ar esupplemented by
the 0091 symbol, thet irep ressur einformation
fo llowing sho wsalternativ etirep ressures.
The load condition s"partiall yladen "and "fully
laden "aredefine dinthetable forv arying
we ights.
Som etirep ressur etables onl yshowt he rim
diame teri ns tead of thec omple tetires ize, e.g.
R16.T herimd iame terisp artoft he tir esize and
can be found on thes ide wall of thet ire
(/ page215). Wheels an
dtires 205
Information on
thew indshield washer fluid
Re commended windshield washer fluid:
R abovefreezing point :e.g. MB SummerFit
R below freezing point :e.g. MB WinterFit
Mixin gratio
Fo rthe cor rect mixing ratio ,refer tothei nforma‐
tion on thea nti-freeze container.
Mix thew ashe rfluid wit hwindshield washer fluid
all year round.
Fi lling capacities
Wi ndshield washer sy stem
Wa sher fluid
5.8 qt (5.5 l)Re
frigerant Note
sonr efrigerant
Obser vethen otes on operating fluids
(/ page233).
% Yo
ur vehicle's climat econt rols ystemc an be
fi lled wit hR‑134a refrigerant. The refrigerant
R‑134a contains fluorinated greenhouse gas.
If yo ur vehicle is filled wit hR‑134a refrigerant, the
fo llowing informatio napplies:
* NO
TEDama gecaused byincor rect refrig‐
erant If
th ei ncor rect refrigerant is used ,this can
damag ethe climat econt rols ystem. #
Use onl yR‑134a refrigerant or theP AG
oil appr ovedfor your vehicle by
Mercedes-Benz. #
The appr ovedPAG oil ma ynotbe mixed
wit ha ny ot herPAGo ilth at is not
appr ovedfor R‑134a refrigerant. Maintenance
work,s uc hasa dding refrigerant or
re placing components, ma ybecarried out only
by aq ualified specialis tworks hop. All thea pplica‐
ble regulations relatin gtot his and theS AE J639
st andar dmustbea dhered to.
All workon thec limat econt rols ystems hould
alw aysbec arried out at aqualified specialist
wo rkshop. Example:
refrigerant warning label
1 Warning symbols
2 Refrigerant capacity
3 Applicabl estandards
4 PAGo il par tnumber
5 Refrigerant type
Wa rning symbols 1refertot hefollowing:
R Potential dangers
R The per form anc eofm aintenance workat a
qu alified specialis tworks hop Ve
hicl edata Information on
vehicl edimensions The
following section con tains impor tant tech ni‐
cal da tafory our vehicle. Your vehicle documents
contain fur ther vehicle-specific and equipment-
dependent tech nica ldatas uchasv ehicle dimen‐
sions and weights. Tr
aile rhitch Note
sont he trailer hitch &
WARNING Risk of accident du etoafter‐
mar ketins tallation of atrailer hitc hthat
is no tpermissible
If af term arke tins tallation of atrailer hitc his
no tp ermissible and youi nstallat railer hitch
or other assembly parts, thel ongitudinal
frame member will be weakene dand may
break .Inthis case, thet railer ma ycome
loose from thev ehicle.
Ther eisar isk of an accident.
Only ins tallat railer hitc haftermar ketifitis
pe rm issible. Obser
vethen otes on trailer operation
(/ page151). Te
ch nica ldata 241