Fu
nctions of ASR (Acceleration Skid Control) ASR can neither
reduce ther isk of an accident
nor override thel aws of ph ysics if thed rive rd oes
no tp ay attention when pulling away or accelerat‐
ing. ASR is onl yanaid. Alw aysa dap tyour driving
st yletos uitthep reva iling road and weather con‐
ditions.
If yo ua ctivat eord eactivat ethe all-wheel driv ein
av ehicle wit hthis option, ASR will be deactivated
fo rt he duration of thea ctivation/deactivation
process.
Ve hicles without steering wheel but tons: if
ASR is malfunctioning, the00E5 indicator lamp
lights up while thee ngine is running and the
engine output ma ybereduced (/ page25).
ASR impr ovestraction, i.e. thet ransfer of po wer
from thet ires tother oad sur face, foras ustained
period and thereb y,also impr ovesthe driving sta‐
bilit yoft hevehicle. If thed rive wheels star tto
spin, ASR brakes individuald rive wheels and lim‐
its thee ngine torque. ASRthus significantly
assists youw hen pullin gawaya nd accelerating,
especiall yonw etor slippe ryroads.
If traction on ther oad sur face is no tsufficient,
eve nASR will no tallow youtop ullaway without
dif ficulty .The typ eoftires and totalwe ight of the
ve hicle as well as theg radient of ther oad also
pla yac rucial role.
If AS Rinter venes, the00E5 warning lam pinthe
Instrument Displa yflashes. Fu
nctions of ESP ®
(Electronic Stability Pro‐
gr am) &
WARNING Risk of skidding if ESP ®
is
malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry
out vehicle stabilization. In addition ,other
driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified spe‐
cialis tworks hop. &
WARNING Risk of skidding if ESP ®
is
deactivated
If yo ud eactivat eESP®
,E SP ®
canno tcarry out
ve hicle stabilization. #
ESP ®
shoul donlybed eactivated in the
fo llowing situations. If
th es urface requ ires, temp oraril ydeactivate
ESP ®
when pulling away ( / pag e148).
Do no toperate thev ehicle on aroller dynamo me‐
te r( e.g. forap erform anc etest). If youh ave to
operat ethe vehicle on aroller dynamo meter,con‐
sult aqualified specialis tworks hop beforehand.
If yo ua ctivat eord eactivat ethe all-wheel driv ein
av ehicle wit hthis option, ESP ®
will be deactiva‐
te df or thed uration of thea ctivation/deactiva‐
tion process.
If ESP ®
is malfunctioning or deactivated, the
00E5 warning lam plight supw hilethee ngine is
ru nning and thee ngine output ma ybereduced
(/ page25).
% Onl
yuse wheels wit hthe recommended tire
sizes. Only then will ESP ®
function properly.
ESP ®
can, within ph ysical limits, monitor and
impr ovedriving stabilit yand traction in thef ol‐
lowing situations:
R When pullinga wayonw etor slippe ryroad
sur faces
R Whe nbraking
R Ifyo ua redrivin gfastert han 49.7 mph
(80 km/h) in stro ng crosswinds
If th ev ehicle is deviating from thed irection
desired bythed rive r,ESP ®
can stabiliz ethe vehi‐
cle byper form ing thef ollowing actions:
R One or mor ewheels ar ebraked
R The driv esystem per form anc eisa dapted
depending on thes ituation
If ESP ®
is deactivated 00BB,the00E5 warning
lam plight supc onstantly in theI nstrument Dis‐
play:
R Vehicle stabilizatio nmaybe dela yed
R Crosswind Assis tisstilla ctive
R The driv ewheels ma ystart to spin
R ASR traction control is no longer active
If ESP ®
is deactivated, ESP ®
will still suppor tyou
when braking.
If the 00E5 warning lam pinthe Instrument Dis‐
pla yflashes, one or mor ewheels ha vereached
th eir tir etraction limit:
R Adapty our driving styletos uitthep reva iling
ro ad and weather conditions
R Do no tdeactivat eESP®
unde rany circum‐
st ances Drivin
gand parking 147
Ac
tivating/deactivatin gESP®
(Electronic Sta‐
bility Prog ram) Multimedia sy
stem:
4 © 5
Settings 5
Quick Access
5 ESP
% ESP®
can onl ybeactivated and deactivated
via quicka ccess when at leas tone other
function is available in quicka ccess. Other‐
wise, youc an find ESP ®
in the Assistance
menu. #
Select ESP.
Ap romp tappears. #
Select Onor00BB Off.
If the 00BB ESP®
OFF warning lam plight supc on‐
st antly in thei nstrument clus ter,ESP ®
is deacti‐
va ted.
Obser vethei nformation on warning lamps and
displa ymessages whic hmayappear in thei nstru‐
ment clus ter. Fu
nctions of ESP ®
Crosswind Assist Crosswind Assis
tdoes no treact under thef ollow‐
ing conditions:
R The vehicle is subjected tosevere jolts and
vib rations, e.g .asar esult of une vens urfaces
or po tholes.
R The vehicle loses traction, e.g. on sno worice
or when hydroplaning.
R The driver is per form ing sudden and lar ge
st eering mo vements.
Crosswind Assis tisoperational again as soon as
th ed riving conditions retur nton ormal.
Crosswind Assi stdetects stro ng crosswind gu sts
th at can impair abilit yofyourvehicle todrive
st ra ight ahead. Crosswin dAssis tinter venes
depending on thed irection and stre ngt hoft he
crosswind.
As tabilizing brak eapplicatio nhelps youtok eep
th ev ehicle on trac k.
Information is shown in thei nstrument clus terin
th ee vent of aclearly discernible inter vention by
Crosswind Assist.
Crosswind Assis tisactiveabove avehicle speed
of 50 mph(80 km/h )when driving stra ight or
slight lycornering. Fu
nction of ESP ®
trailer stabilization &
WARNING Risk of accident in poo rroad
and weather conditions
In poor road and weather conditions, the
traile rstabilizatio ncanno tpreve nt lu rching of
th ev ehicle/trailer combination .Trailer sw ith
ah igh cen terofg ravity ma ytipover before
ESP ®
de tects this. #
Alwaysa dap tyour driving styletos uit
th ec urrent road and weather condi‐
tions. ESP
®
trailer stabilizatio ncoun tera cts critica ldriv‐
ing situations in goo dtime and thereb yprovides
conside rable assis tance when driving wi th a
traile r. Trailer stabilizatio nispartofE SP®
.
If th es ensor sy stem and evaluatio nlogic de tect
trailer swinging mo vements, ESP ®
trailer stabili‐
zation initiall ybrake sindividual vehicle wheels in
at arge tedm anner .Itthus cou nteracts swinging
mo vements. If thes winging mo vements do not
st op, thev ehicle is braked until thev ehicle/
trailer combination is stabilized. If necessar y,the
ve hicle's engine output is limited.
If yo ur vehicle wit htrailer (vehicle/trailer combi‐
nation) starts toswer ve,y ou ar eable tostabilize
th ev ehicle/trailer combination onl ybybraking.
ESP ®
trailer stabilizatio nhelps youtos tabilize
th ev ehicle/trailer combination in this situation.
ESP ®
trailer stabilizatio nisactiveats peeds
abo veappr oximately 40 mph(65 km/h).
If ESP ®
is de activated because of amalfunction,
trailer stabilizatio nwill no tfunction. Fu
nction of EBD (electronic brak eforce distri‐
bution) EB
Dh asthef ollowing characteristics:
R monitoring and controllin gthe braking force
on ther ear wheels
R impr oving driving stabilizatio nwhen braking,
especiall yonb ends 14 8
Driving and pa rking
%
It is
recommended that ActiveB rake Assi stis
alw aysl efta ctivated. #
Select asetting.
The las tactiv esetting is selected automatically
eve rytime thee ngine is star ted.
Exception :ifthe las tsetting was Off,t heMedium
setting will be automatically activated then ext
time thee ngine is star ted.
Deactivating Activ eB rake Assi st
% It is
recommended that ActiveB rake Assi stis
alw aysl efta ctivated. #
Select Off.
The dis tance warning function and autono‐
mous brakin gfunction ar edeactivated.
The next tim ethe engine is star ted, the Medium
setting will be automaticall yactivated.
% When
ActiveB rake Assi stis deactivated, the
00D4 symbol appears inthes tatus area of
th em ultifunction displa y. Cruise control
Fu
nction of cruise control
Cruise cont rola ccelerates and brakes thev ehicle
automaticall yinorder tomaintain apreviously
st ored speed.
If yo ua ccelerat etoovertake, fore xamp le,the
st ored speed is no tdele ted. If your emo veyour
fo ot from thea ccelerator pedal af tero vertaking,
cruise control will resume speed regulation back
to thes tore ds peed.
Cruise contro lisoperated using thec orrespond‐
ing steering wheel buttons. Youc an stor ea ny
ro ad speed abo ve15 mp h(20 km/h).
If yo uf ail toadap tyour driving style, cruise con‐
trol can neither reduce ther isk of an accident nor
ove rride thel aws of ph ysics. It canno ttak ei nto
account road, weather or traf ficc onditions.
Cruise control is only an aid. Youa re re sponsible
fo rt he dis tance tothev ehicle in front, forv ehicle
speed, braking in good time and fors taying in
yo ur lane.
Displa ysinthem ultifunction display
The status of cruise control and thes tore ds peed
ar es hown in them ultifunction displa y. 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). Driving and parking
151
Information on Hill
StartA ssist Hill
StartA ssisth olds thev ehicle foras horttime
when pulling away on ahill under thef ollowing
conditions:
R Vehicles with automatic transmission: the
transmission is in position 005Bor005E.
R The pa rking brak ehas been released.
This gives youe nough tim etomoveyour foot
from theb rake pedal tothea ccelerator pedal and
depress it befor ethe vehicle begins toroll. &
WARNING Risk of accident and inju ry
due tothev ehicle rolling away
Af teras horttime, Hill StartA ssistnol onger
holds thev ehicle and it can rollaw ay. #
Therefore, swiftl ymove your foot from
th eb rake pedal tothea ccelerator
pedal. Ne vera ttem pttolea vethev ehi‐
cle if it is being held byHill StartA ssist. HOLD function
HOLD function
Re quirements:
R The seat occupancy recognition on thed riv‐
er's seat has de tected that thed rive rh as fas‐
te ned thes eat belt.
The HOLD function holds thev ehicle at astand‐
st ill without requ iring youtod epress theb rake
pedal, e.g. when pulling away on steep slopes or
when waitin gint raffic. Whe nyou depress the
accelerator pedal topull away,the braking ef fect
is canceled and theH OLD function is deactiva‐
te d.
The HOLD function is onl yanaid. The responsibil‐
ity fort he vehicle safel ystandi ngstill remains
wit hthe driver.
Sy stem limits
The HOL Dfunction is onl yintende dtoprovide
assis tance when driving and is no tasufficient
means of safeguarding thev ehicle agains trolling
aw ay when stationar y.
R The incline mus tnotbe greater than 30%.
Ac tivating/deactivatin gthe HOL Dfunction
Requ irements: R
The vehicle is stationar y.
R The engine is running or it ha sbeena utomati‐
cally switched of fbythe EC Ostart/s topf unc‐
tion.
R The driver is seated and belted.
R The electric parking brak eisreleased.
R Vehicles with automatic transmission: the
selector le verisinp osition005B,005Eor005C.
R ActiveD ista nce Assi stDISTRONI Cisdeacti va‐
te d.
Ac tivatin gthe HOL Dfunction &
WARNING Risk of an accident du etothe
HOLD function being acti vatedw heny ou
lea vethev ehicle
If yo ul eave thev ehicle while only theH OLD
function is braking thev ehicle, thev ehicle
can rollaw ay inthef ollowing situations:
R Ifth er eisam alfunction in thes ystemor
in thep owe rsupp ly.
R Ifth eH OLD function is deactivated by
depressing thea ccelera torp eda lorb rake
pedal, e.g. byavehicle occupant. #
Alwaysd eactivat ethe HOLD function
and secur ethe vehicle agains trolling
aw ay befor eleaving thev ehicle. *
NO
TEDama gefrom auto matic braking When
ActiveB rake Assi st,A ctiv eDista nce
Assi stDISTRONI Corthe HOLD function are
activated, thev ehicle brakes autonomously in
cer tains ituations.
To avo id damag etothevehicle, deactivate
th ese sy stems in thef ollowing or similars it‐
uations: #
During towing #
Inac arwa sh #
Mak esuret hat thea ctivation conditions are
met. #
Depress theb rake pedal until the00D9 dis‐
pla yappear sinthe multifunction displa y.
The HOLD function is activated. Youc an
re lease theb rake pedal.
% If depressing
theb rake pedal thef irst time
does no tactivate theH OLD function, wait
brief lyand then tr yagain. Driving and parking
15 5
Deactivating th
eHOLD function
The HOLD function is deactivated in thef ollowing
situations: #
Vehicles with automatic transmission:
depress thea ccelerator pedal when thea uto‐
matic transmission is in position 005Bor005E. #
Depress theb rake pedal again wit hsufficient
pressur euntil the 00D9 displa yinthe multi‐
function displa ygoes out. #
Activat eActiv eDista nce Assi stDISTRONIC.
% Ve
hicles with automatic transmission: the
automatic transmissio nofyourvehicle shifts
to 005D afte rs ome time. This relie vest he load
on thes ervice brake.
When theH OLD function is activated, thea uto‐
matic transmission automaticall yshifts to005D in
th ef ollowing situations:
R The driver lea vest he driver's seat.
R The driver's door is opened.
R The engine is switched of fwithout theE CO
st art/ stop function. Pa
rking Assis tPARKTRONIC Fu
nction of Parking Assis tPARKTRONIC
Pa rking Assis tPARKTRONIC is an electroni cpark‐
ing assis tance sy stem wit hultrasound. It moni‐
to rs thea reaa round your vehicle using six sen‐
sor sont he front bumper and six sensor sonthe
re ar bumper .Parking Assis tPARKTRONIC indi‐
ca tesv isuall yand audibl ythe dis tance between
yo ur vehicle and an object.
Pa rking Assis tPARKTRONIC is only an aid. It is
no tas ubstitut efor your attention tothes ur‐
ro undings. The responsibility fors afem aneu ver‐
ing and parking remains wit hyou. Mak esuret hat
th er ea reno persons, animals or object sinthe
maneuvering area while maneuvering and parking
in/exiting parking spaces.
In thes tandar dsetting ,ani ntermit tent wa rning
to ne sounds from adista nc eofa pproximately
1. 3ft( 0.4 m) toan obs tacle. Acontinuou stone
sounds from adista nc eofa pproximately 1.0ft
(0.3 m). Youc an se tthe warning tone in them ul‐
timedia sy stem so that it will soun dearlier at a
grea terd ista nce of appr oximately 3.3 ft(1 m)
(/ page156).
Pa rking Assis tPARKTRONIC displa yinthe
mu ltimedia sy stem
If th eP arking Assis tPARKTRONIC displ ayinthe
multimedia sy stem is no tactiv eand an obs tacle is de
tected in thep athoft hevehicle, apop-up
windo wforParking Assis tPARKTRONIC appears
in them ultimedia sy stem at speeds up toappr ox‐
imatel y6mph (10km/h).
Sy stem limitations
Pa rking Assis tPARKTRONIC does no tnecessarily
ta ke intoa ccount thef ollowing obs tacles:
R Obs tacles bel ow thedetection range, e.g. per‐
sons ,animal soro bjects.
R Obs tacles ab ovethed etection range, e.g.
ove rhanging loads, overhangs or loading
ra mp soft ruck s.
The sensor smustbef reeofd irt, ice and slush.
Otherwise, they ma ynotfunction cor rectl y.Clean
th es ensor sregular ly,t aking ca renottos cratch
or damag ethem.
Ve hicles with traile rhitch: Parking Assist
PA RKTRONI Cisdeactivated fort he rear zone
when youe stablish an electrical connection
between your vehicle and atrailer.
Deactivating/activating Parking Assist
PA RKTRONIC
* NO
TERisk of an accident from objects at
close range Pa
rking Assis tPARKTRONIC ma ynotdetect
cer taino bjects at close range. #
Whe nparkin gorm aneuvering thev ehi‐
cle, pa yparticular attention toany
object swhicha reabo veor belo wthe
sensors, e.g. flowe rpotsord rawbars.
The vehicle or other objects could oth‐
erwise be damaged. Multimedia sy
stem:
4 © 5
Settings 5
Quick Access #
Select PARKTRONIC On .
The function is activated or deactivated
depending on thep reviou ssetting.
% Pa
rking Assis tPARKTRONIC is au tomatical ly
activated when startin gthe vehicle.
Setting thew arnin gtones of Parking Assist
PA RKTRONIC
Multimedia sy stem:
4 Settings 5
Assistance
5 Camera &Parking 5
Set Warning Tones
Ad justin gthe volume of thew arnin gtones #
Select Warnin gTone Volume. 15 6
Driving and pa rking
The
ATTENTION ASSIS Tdrows iness or alertness
assessment is dele teda nd restar tedw hen con‐
tinuin gthe journe yinthefollowing situations:
R Ifyo us wit ch offt he engine
R Youu nfas teny our seat belt and open thed riv‐
er's door (e.g. chang edrive rs or tak eabreak)
Setting ATTENTION ASSI ST
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Attention Assist
Setting options #
Select Standard, SensitiveorOff. Blind Spo
tAssist Fu
nction of Blind Spo tAssis twith exitwa rn‐
ing
Blind Spo tAssis tuses tw olateral, rear-facing
ra dar sensor stomonitor thea read irectl ynextto
and on thes ide behind thev ehicle.
% US
Ao nly:
This device has been appr ovedbyt he FCC as
a" Vehicular Radar Sy stem". The radar sensor
is intended foru se in an automotiv eradar
sy stem onl y.Re mo val,ta mp ering, or altering
of thed evice will void an ywarranties, and is
no tp ermit tedbyt he FCC. Do no ttamper
with, alter or use in an ynon-appr ovedw ay.
An yu nauthorize dmodificatio ntothis device
could void theu ser's authority tooperat ethe
equipment. &
WARNING Risk of accident despit eBlind
Spo tAssist
Blind Spo tAssis treacts neither tostationary
object snortovehicles approaching and over‐
ta king youatag reatly di fferent speed.
As aresult, Blind Spo tAssis tcanno twarn
driver sinthese situations. #
Alwaysp aycareful attention tothet raf‐
fi cs ituation and maintai nasafed is‐
ta nce at thes ide of thev ehicle. Blind Spo
tAssis tiso nlyana id. It ma yfail to
de tect some vehicles and is no substitut efor
attentiv edriving. Alw ayse nsur ethat ther eiss uf‐
fi cient dis tance tothes ide foro ther road users
and obs tacles.
If av ehicle is de tected ab oves peeds of appr ox‐
imatel y7.5mp h(12 km/h) and this vehicle sub‐
sequentl yenter sthe monitoring rang ed irec tly next
toyour vehicle, thew arning lam pinthe out‐
side mir rorlights up red.
% When
atrailer is connected, ther adar sen‐
sor's field of vision ma ybeimpaired, thereby
making limited monitoring possible. Alw ays
pa yc areful attention tothet raffic situation
and maintain asafed ista nce at thes ide of
th ev ehicle.
If av ehicle is de tected clos etoyourvehicle in the
lateral monitoring rang ea nd yous wit ch on the
tur ns igna lindica torint he cor responding direc‐
tion, awarning tone sounds. The redw arning
lam pint he outside mir rorf lashes. If thet urns ig‐
nal indicator remains switched on, all other
de tected vehicles ar eindicated only bythef lash‐
ing of ther ed warning lamp.
If yo uo vertak eav ehicle quickl y,no warning is
given.
Exit warning
The exitwa rning is an additional function of Blind
Spo tAssis tand warnsv ehicle occupants when
leaving thev ehicle about an yapproaching vehi‐
cles. &
WARNING Risk of accident despit eexit
wa rning
The exitwa rning react sneith er tostationary
object snortovehicles approaching youata
great lydif fere nt speed.
As aresult, thee xit warning canno twarnd riv‐
er sint hese situations. #
Alwaysp ayparticular attention tothe
traf fics ituation whe nopening thed oors
and mak esuret her eiss ufficient clear‐
ance. %
An
exitwa rning is no tissued fors liding doors
and rear-en ddoors. Drivin
gand parking 16 3
R
Adriving sa fety sy stem inter venes, su chas
ESP ®
or ActiveB rake Assi st.
R Youh ave adop tedas porty driving stylew ith
high cornering speeds or high ratesofa ccel‐
eration.
R ESP ®
has been switched off.
R When driving wit hatrailer ,the electrical con‐
nection tothet railer has been cor rectly
es tablished.
R Ifal oss of tir epressur eoraf aulty tir ehas
been de tected and displa yed.
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ther eisp oor visibilit y,e.g. due toinsuf ficient
illumination of ther oad, high lyvariable shade
conditions, or due torain, sno w,fogorh eavy
spr ay.
R Glar efromo ncomin gtraf fic, direct sunligh tor
re flections.
R Ther eisd irtont he windshield in thev icinity
of them ultifunction camer aorthe camera is
fo gged up, damaged or obscured.
R No or se veralu nclear lane markings ar epres‐
ent foro ne lane, e.g. in aconstruction area.
R The lane markings ar eworn, dar korcovered.
R The dis tance tothev ehicle in front is too
small, and therefor ethe lane markings cannot
be de tected.
R The lane markings chang equickl y,e.g. lanes
branc hoff,c ross one ano ther or mer ge.
R The roadw ayisvery nar row and winding.
Ac tivating/deactivatin gLaneK eeping Assist
or Activ eL aneK eeping Assist
Multimedia sy stem:
4 © 5
Settings 5
Assistance #
Select Lane Keeping Assist orAct.L ane
Keep Asst .On.
Ac tivatin gordeactivatin gthe warning #
Select Lane Keepin gAssist orAct. Lane
Keep Asst. On. #
Select Warning. Wo
rkmode AD
R(wo rkings peed control) Fu
nction of ADR (working speed control)
When activated, ADRa utomaticallyincreases the
engine speed toap rese ts peed or aspeed you
ha ve set.
% Af
terac oldstart, thei dle speed of the
engine is increased automaticall y.Ifth ep re‐
se tw orking speed is lo werthan the
inc reased idle speed ,the working speed is
onl yreached once thee ngine has comple ted
th ew arm-up phase.
It is only possible toactivat eADR withthe
ve hicle stationar yand thep arking brake
applied.
On vehicles wit hautomatic transmission, the
selector le verm ustbeinp osition005D.
Ac tivating/deactivatin gADR #
Toactivate: whilethee ngine is running,
press switch 1.
The Working Speed Governo rActive messa ge
appear sinthe multifunction displa y. #
Todeactivate: whilethee ngine is running,
press switch 2.
ADR goe soutautomatical lyin thef ollowing situa‐
tions:
R Your elease thep arking brake.
R Youd epress theb rake pedal.
R The vehicle mo ves.
R The contro lunit de tects am alfunction. Driving and pa
rking 167
cle documents
tosee them aximum permissible
speed fory our trailer.
At tach onl yana pproved trailer hitc htoyourvehi‐
cle. Use only aball nec kthat has been appr oved
fo ry our vehicle. Further information about availa‐
bilit yand ins tallation of thet railer electrics is
av ailable from an yqualified specialis tworks hop.
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 height of
theb all head will change
depending on thev ehicle's load. In this case,
use atrailer wit haheight-adjus table dr aw‐
bar.
Driving no tes
The maximum permissible speed forv ehicle/
trailer combination sdepends on thet ype of
trailer .Befor esetting off, consult thet railer's
ve hicle documents tosee them aximum permissi‐
ble speed fory our trailer.
Yo ur vehicle will beha vediffere ntl yw ithat railer
re lativ etow ithout atrailer ,and will consume
mor efuel. In thec ase of along and steep
descent, youm usts elec tshif 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.
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 or trailer
st abilit yprograms. Youc an obtain fur ther
information from an authorized Mercedes-
Benz Center.
When youa redrivin gwithat railer ,compl ywith
th ef ollowing points:
R Maintain agreater dis tance 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). 17 0
Driving and pa rking