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 209)
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
Overvie
wofthe buttons on thes teering
wheel 1
0038 Backbutton, lef t(on-boar dcomputer)
2 Touc hC ontrol, lef t(on-boar dcomputer)
3 Main men ubutton (on-boar dcomputer)
4 Buttong roup forc ruisec ontrol or ActiveD is‐
ta nce Assi stDISTRONIC Ope
ratin gthe on-boar dcom puter &
WARNING Risk of distraction from infor‐
mation sy stems and communications
equipment
If yo uo perat einformation and communica‐
tio ne quipment integ ratedint hevehicle when
driving, youw ill be distracted from thet raffic
situation. This could also cause youtol ose
control of thev ehicle. #
Onlyoperat ethis equipment when the
traf fics ituation permits. #
Ifyo uc anno tbes ureoft his,stop the
ve hicle whils tpaying attention toroad
and traf ficc onditions and ope rate the
equipment wit hthe vehicle stationar y. Yo
um usto bse rvet he legal requirements fort he
countr yinwhich youa recur rentl yd riving when
ope rating theo n-boar dcomputer.
Operating theo n-boa rdcompu ter( ve hicles
with steering wheel but tons)
% The displa
yofthe on-boar dcomputer
appear sonthe multifunction display
(/ page160).
When thef unction is switched on, dif fere nt signal
to nes gi vefeedbac kwhile theo n-boar dcomputer
is being operated. These include asignal tone
when thee nd of alistisr eached or when alistis
bein gscrolled thro ugh. The on-boar
dcomputer is operated via left-hand
To uc hC ontrol 2and theb ackb utton on thel eft
1. The on-boar
dcomputer is operated using thef ol‐
lowing buttons:
R theb ackb utton on thel eft 1
R thel eft-hand Touc hC ontrol 2
R them ain menu button on thel eft 3
The following menus ar eavailable:
R Service
R Assistance
R Trip
R Settings #
Tocall up them ainm enu: press theb ack
button on thel eft 1 repeatedly ,orpress and
hold it. Instrument Displa
yand on-boar dcomputer 15 9
light
weight loads. La yanti-slip mats underneath
th el oad tosecur ethe load additionally. Installing and
removing tie-down eyes #
Toinstall: slidethet ie-down eyet hrough a
re cess in thel oading rail close tothel oad
until locking mechanism engages in the
re cess.
% Whe
nyou pull locking mechanism up and out
of ther ecess, thet ie-down eyeisa bleto
mo vewithin thel oading rail. Mak esuret hat
locking mechanism is alw ayse ngaged in a
re cess. #
Che ckthet ie-down eyef or firm seating. #
Toremo ve: pull lo cking mechanism up and
pull thet ie-down eyet ow ards thel ocking
mechanism and out of thel oading rail
th ro ugh arecess. Car
rier sy stems Information abou
tthe roof rack &
WARNING Risk of inju rydue tothem axi‐
mum roof load being exceeded
When youp laceal oad on ther oof as well as
all outer and inner attachments, thev ehicle's
center of gr avity will rise and thef amiliar driv‐
ing characteristic saswell asthes teering and
braking characteristic swillch ange. When
drivin garound bends, thev ehicle will tilt
mor eheavily and ma yreact mor esluggishly
to steering mo vements.
If yo ue xceed them aximum roof load, the
driving characteristics, as well as thes teering
and braking, will be greatl yimp aired. #
Nevere xceed them aximum roof load
and adjus tyour driving style. 1
Mountin grails
Informatio nabout them aximum roof load can be
fo und in the" Tech nical data" section
(/ page253).
Obser vethef ollowing points fora ssembling roof
ra ck s:
R Tighten ther oof rack 's scr ewstoat orque of
6.0 lb-f t(8N m)–7.4 lb-f t(10 Nm) in thed es‐
ignated groo vedp lates.
R The tightened scr ewsshould no ttouc hthe
ra ils.
R Ensur ethat theg roove dplates ar enotloca‐
te dint he areas around thep lastic caps.
R The groo vedp lates mus thave ther ight cross-
sectio n.
R The insides of them ounting rails mus tbefree
of dirt.
R Re-tigh tent he scr ewsu niformly af tera round
300 mile s(500 km).
Mercedes-Benz recommends that youu se on ly
ro of rack st hat ha vebeen tested and appr oved
fo rM ercedes-Benz. These help topreve ntvehicle
damage.
If yo uw ant toretrofit them ounting rails, ha ve
th em ins talled at aqualified specialis tworks hop.
Otherwise, youc oul dd amag ethe vehicle.
If yo ur vehicle is ins talled wit hmountin grails on
th er oof, youc an install aroof rack on ther oof.
Special fastener s(sliding bloc ks)a re available as
accesso ries fort his purpose.
These fastener sareavailable from an yauthorized
Mercedes-Ben zCenter. 176
Transporting
Tr
iggering an automatic emer gency call Re
quirements:
R The ignition is switched on.
R The star terb atter yhas suf ficient charge.
If re stra int sy stems suc hasairbags or Emer gency
Te nsioning Device shave been activated af teran
accident, eCall ma yautomatically initia tean
emer gency call.
The eme rgency call has been made:
R Avoice connection is made totheM ercedes-
Benz emer gency cal lcenter.
R Am essa gewitha cciden tdataist ransmitted
to theM ercedes-Benz emer gency cal lcenter.
The Mercedes-Benz emergency cal lcenter
can transmit thev ehicle position dat atoone
of thee mer gency cal lcenters.
The SOS button in theo verhead cont rolp anel
fl ashes until thee mer gency cal lisfinished.
It is no tpossible toimmediately end an auto‐
matic emer gency call.
If no connection can be mad etothe emer gency
service seithe r,ac orresponding message
appears inthem edia displa y.
If no connection can be made tothee mer gency
services: #
Dialthe local emergency num berony our
mobile phone.
If an emer gency cal lhas been initia ted:
R Remain in thev ehicle if ther oad and traf fic
conditions permit youtodosou ntilavoice
connection is es tablished wit hthe emergency
call cen ters ervice pr ovider.
R Based on thec all, theo perator decides
whe ther it is necessar ytocallr escue teams
and/or thep olice tothea ccident site.
R If no vehicle occupant answers, an ambu‐
lance is sent tothev ehicle immediately. Tr
iggering amanual emer gency call #
Using theS OS but tonint heove rhead con‐
trol panel: presstheS OS button at leas tone
secon dlong.
The emer gency cal lhas been made:
R Avoice connection is made totheM ercedes-
Benz emer gency cal lcenter.
R Am essa gewitha cciden tdataist ransmitted
to theM ercedes-Benz emer gency cal lcenter. The Mercedes-Benz emergency cal
lcenter
can transmit thev ehicle position dat atoone
of thee mer gency cal lcenters.
R Remain in thev ehicle if ther oad and traf fic
conditions permit youtodosou ntilavoice
connection is es tablished wit hthe emergency
call cen ters ervice pr ovider. Tr
ansmitted data with thee mer gency call Dat
atransmitte dbythe eCall includes but is not
limited to:
R Vehicle's GPS position data
R GPS position dat aontheroute(af ewhun‐
dred me ters befor ethe incident)
R Direction of tra vel
R Vehicle identification number
R Vehicle driv etype
R Estimated number of people in thev ehicle
R Whe ther Mercedes PR Oconnect is available
or not
R Whe ther thee mer gency cal lwas initia ted
manually or automatically
R Time of thea ccident
Dat atransmit tedisv ehicle information. Fora ny
qu estions about thec ollection, use and sharing
of thee Call sy stem data, please contact MBU‐
SA 's Cus tomer Assis tance Center at 800-FOR-
MERC.
Fo rC anada, please contact MBC’ sCustomer
Assis tance Center at 1-800-387-0 100.
Cust omer requests forc ove redi nformation
should be submitted via thes ame channels.
Fo ra ccident clarificatio npurposes ,the following
measures can be take nu ptoa nhour af tert he
emer gency cal lhas been initia ted:
R The cur rent vehicle position can be de ter‐
mined
R Avoice connection tothev ehicle occupants
can be es tablished Flat tire
Note
sonf lat tires &
WARNING Risk of an accident whe ndriv‐
ing wi thaflat tire
Af lat tir egreatly impair sdriving characteris‐
tics, as well as steering and braking. Breakdown assis
tance 19 5
#
Do no tdrive with aflat tire. #
Remo vethef lat tir eand ins tallthe
spar ewheel or consult aqualified spe‐
cialis tworks hop. In
thee vent of aflat tir eyou ha vethef ollowing
possibilities depending on your vehicle's equip‐
ment:
R Vehicles with Mercede sPRO connec t:in
th ee vent of aflat tire, youc an call Roadside
Assis tance via theR oadside Assis tance call
button in theo verhead cont rolp anel
(/ page164).
R Allvehicles: chang ethe wheel
(/ page228). Batte
ry Note
sont he12Vb attery &
WARNING Risk of an accident du eto
wo rkcar ried out incor rectl yont he bat‐
te ry
Wo rkcar ried out incor rectly on theb attery
can, fore xamp le, lead toas hor tcircuit .This
can lead tofunction restrictions in saf ety-re l‐
ev ant sy stems, fore xamp lethel ighting sys‐
te m, ABS (anti-loc kbraking sy stem) or ESP ®
(Elect ronic Stabilit yProgram). The ope rating
saf etyofy ourvehicle ma yberestricted.
Yo uc oul dlose control of thev ehicle in the
fo llowing situations:
R when braking
R inthee vent of ab rupt steering maneuvers
and/or when thev ehicle's speed is not
adap tedtot heroad conditions #
Inthee vent of ashortcircui tora simi‐
la ri ncident, contact aqualified special‐
is tw orks hop immediately. #
Do no tcontinue driving. #
Alwaysh ave workon theb atter ycarried
out at aqualified specialis tworks hop. R
Further information on ABS (/ page137)
R Further information on ESP ®
(/ page138)
Mercedes-Benz recommends that youh ave the
12 Vb atter yreplaced at aqualified specialist
wo rkshop, e.g. at an authorized Mercedes-Benz
Center. Should
youw ant toreplace theb atter yyourself,
obser vethef ollowing information:
R Alwaysr eplace adefectiv ebatter ywithab at‐
te ry whic hfulfills thev ehicle's specific
re qu irements.
R Use de tach able parts suc hasthevent hose,
elbo wfittin gort erminal co verfromt he bat‐
te ry to be replaced.
R Mak esuret hat thev ent hose is alw aysc on‐
nected toits original openin gonthe battery
side.
Ins tallth ee xisting or newly supplied stop
plugs.
Otherwise, gases or batter yacid could
escape.
R Mak esuret hat thed etachable parts ar econ‐
nec tedint he same wayasb efore.
Fo rs afet yr easons, Mercedes-Benz recommends
th at youo nlyu se bat teries that ha vebeen tested
and appr ovedfor your vehicle byMercedes-Benz.
These batteries pr ovide inc reased impact pr otec‐
tion topreve ntvehicle occupants from suf fering
aci db urns should theb atter ybed amaged in an
accident. &
WARNING Risk ofexplosion due toelec‐
tros tatic charge
Electros tatic charge can cause spa rksw hich
ma yignit ethe highly flammable gasm ixture
in theb atter y. #
Todischar geanye lectrostatic charge
th at ma yhave built up, touc ht he me tal
ve hicle body befor ehandling theb at‐
te ry. The highly
flammable gasm ixtur eisc reated while
th eb atter yisc harging and when jump-s tarting. &
WARNING Danger of chemical burns
from theb atter yacid
Batter yacid is caustic. #
Avoid contact wit hthe skin, eyes or
clo thing. #
Do no tlean overthe batter y. #
Do no tinhal ebattery gases. #
Keep children away from theb atter y. #
Immedia tely rinse batter yacido ffthor‐
oughly wit hplenty of clean waterand
seek medica lattention immediately. 19 6
Breakdown assis tance
#
Deactivat eActiv eBrake Assi st . #
Vehicles with automatic transmission:
shif tthe automatic transmission toposition
005C. #
Release thep arking brake. &
WARNING Risk of accident du etolimi‐
te ds afet y-re lated function sduring the
to wing process
Saf ety-re lated function sarelimited or no lon‐
ge ra vailable in thef ollowing situations:
R thei gnition is switched off.
R theb rake system or po wersteering sys‐
te mism alfunctioning.
R thee nergy suppl yorthe on-boar delectri‐
cal sy stem is malfunctioning.
When your vehicle is then towe da way,signifi‐
cantly mor eeffor tm aybe requ ired tosteer
and brak ethan is normally required. #
Use atow bar. #
Mak esuret hat thes teering wheel can
mo vefreely ,befor etow ing thev ehicle
aw ay. *
NO
TEDama gedue toexc essiv etractive
po wer If
yo up ullaway sharpl y,thet ractiv epower
ma ybet oo high and thev ehicles could be
damaged. #
Pull away slowl yand smoo thly. To
wing avehicle wit hthe front or rear axle
ra ised *
NO
TEDama gewhen thei gnition is
switched on If
yo ul eave thei gnition switched on when
to wing thev ehicle wit hthe front or rear axle
ra ised, ESP ®
actuation can damag ethe brake
sy stem. #
The ignition mus tbeswitched off. *
NO
TEDama gedue toincor rect remo val
or ins tallation of thep ropeller shafts When ins
talling thep ropeller shafts, they can
be damaged if youdon otuse ne wscrew s. Alw
aysu se ne wscrew sw hen ins talling the
propeller shafts.
Onl yhave thep ropeller shafts ins talled or
re mo vedbyq ualified, skilled personnel. %
If
th ef ront axle is damaged, raise thev ehicle
at thef ront axle and if ther ear axle is dam‐
aged, raise thev ehicle at ther ear axle.
% 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
(/ page204). Atow ing vehicle wit hlifting
equipment is requ ired forv ehicle transport. #
Obser vethen otes on permissible towing
me thods (/ page202). #
The propeller shafts tothed rive axles must
be remo vedift he maximum permissible tow‐
ing dis tance is exceeded. #
Vehicles with automatic transmission:
shif tthe automatic transmission toposition
005C. #
Release thep arking brake. #
Switc hoffthei gnition. Loading
thev ehicle fort ransport #
Obser vethen otes on towing away
( / pag e203) (/ page204). #
Connec tthe towb arto thet ow ing eyetol oad
th ev ehicle. #
Vehicles with automatic transmission:
shif tthe automatic transmission toposition
005C.
% Ve
hicles with automatic transmission: in
th ee vent of damag etothe electrics, the
automatic transmissio nmaybe loc kedin
position 005D.Toshifttop osition 005C,provide
th eo n-boar delectrical sy stem wit hpower
( / pag e197). #
Load thev ehicle ont othe transpor ter. #
Vehicles with automatic transmission:
shif tthe automatic transmission toposition
005D. #
Use thep arking brak etosecurethe vehicle
agains trolling away. #
Only secur ethe vehicle bythew heels. 204
Breakdown assis tance
Loading
rails
Max. tensile load of cargo tie-down points in
cargo compartment Cargo tie-down
point
Pe
rm issible nomi‐
nal tensile stre ngth
Loading rails on cargo
compartment floor 500 daN
Lo we rloading rail on
side wall 200 daN
Up per loading rail on
side wall 12
5d aN The
values specified appl yonlytol oads resting
on thec argo compartmen tfloor if youo bse rve
th ef ollowing:
R thel oad is secured totwoc argo tie-down
points on ther ail
R thed ista nce tothen eares tload-securing
point on thes ame rail is appr oximately 1m Information about
roof racks &
WARNING Risk of inju rydue tothem axi‐
mum roof load being exceeded
When youp laceal oad on ther oof as well as
all outer and inner attachments, thev ehicle's
center of gr avity will rise and thef amiliar driv‐
ing characteristic saswell asthes teering and
braking characteristic swillch ange. When
drivin garound bends, thev ehicle will tilt
mor eheavil yand ma yreact mor esluggishly
to steering mo vements.
If yo ue xceed them aximum roof load, the
driving characteristics, as well as thes teering
and braking, will be greatl yimp aired. #
Nevere xceed them aximum roof load
and adjus tyour driving style. &
WARNING Danger of accident du eto
une venl oading
If yo ul oad thev ehicle une venly, theh andling
ch aracteristic saswell asthes teering‑ and
braking characteristic scan be heavily
impaired. #
Load thev ehicle evenly. #
Secu rethel oad agains tsliding. The driving, braking and
steering characteristics
of thev ehicle chang ewitht he type of load, the
we ight and thec enter of gr avity of thel oad.
* NO
TERisk of accident if them aximum
permitted roof load is exceeded. If
th ew eight of ther oof luggage, including the
ro of rack ,e xceeds them aximum permitted
ro of load, ther eisar isk of an accident. #
Ensur ethat thew eight of ther oof lug‐
ga ge and roof rack toget her does not
exc eed them aximum permitted roof
load. #
The roof rack 's supporting feet mus tbe
ar ranged at aunifo rm distan ce from
ea ch other. #
Mercedes-Benzr ecommendsyoui nstall
as tabilizer bar on thev ehicle's front
axle. Fu
rther information about saf etym easures can
be found in the" Transport" section
(/ page174).
Max. roof load /pairs of supporting roof rack
fe et Ve
hicles
with Maximum
ro
of load Minimum
number of
pair
sofs up‐
porting feet
Normal roof 66 1lbs
(300 kg) 6
High roof 33 1lbs
(150 kg) 3 This information applies if
thel oad is distributed
eve nly across thee ntir eroof sur face.
If th er oof rack is shor ter,re duce thel oad propor‐
tionatel y.The maximum load per pair of support‐
ing roof rack feet is110l bs (50 kg).
The loading guidelines and other information
about load distribution and load securing can be
fo und in the" Transport" sectio n(/pag e174). Te
ch nica ldata 253
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
007A
0025
00E5
Inoperative See Opera-
tor's Manual *
EBD,A BS and ESP ®
arem alfunctioning.
Other driving sy stems and driving saf etys ystems ma yalso be mal‐
functioning. &
WARNING Risk of skidding if EBD, ABS and ESP ®
arem al‐
functioning
If EBD, ABS and ESP ®
arem alfunctioning ,the wheels can lock
when braking and ESP ®
canno tcarry out vehicle stabilization.
The steering capability and braking characteristic sarethus
se verely impaired .The brakin gdista nc einane mergency brak‐
ing situation can increase. In addition, other driving saf etys ys‐
te ms ar eswitched off. #
Driv eonc arefully. #
Have theb rake system checkedi mmediately at aqualified
specialis tworks hop. #
Driv eonc arefully. #
Visit aq ualified specialis tworks hop immediately.
00E5 Inoperative See Opera-
tor's Manual *
ESP ®
is malfunctioning.
Other driving sy stems and driving saf etys yst ems ma yalso be mal‐
functioning.
The brak esystem continues working wit hthe normal ef fect. The
braking dis tance can increase in eme rgency braking situations. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry out vehicle stabili‐
zation .Inaddition ,other driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified specialis tworks hop. #
Continue driving carefully. #
Visit aq ualified specialis tworks hop immediately.
00E5 Currently Unavailable
See Operator's Manual *
ESP ®
is temp orarily una vailable.
Other driving sy stems and driving saf etys yst ems ma yalso be mal‐
functioning. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry out vehicle stabili‐
zation .Inaddition ,other driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified specialis tworks hop. #
Carefully driv esome gentle cur vesata bove19 mp h(30 km/h)
on asuitable stre tchofr oad. 258
Displa ymessages and warning and indicator lamps