
Mercedes-Benz GenuineParts
+ ENVIRONMENTAL
NOTEEnvironmental
dama gecaused bynotu sing recycled
re conditione dcomponents Daimle
rAGoffer sr ecycled reconditioned
components and pa rtsw itht he same quality
as ne wparts .The same entitlemen tfromt he
implied warrant yisv alid as forn ew parts. #
Use recycle dreconditioned compo‐
nents and parts from Daimler AG.*
NO
TEImpairment of theo perating ef fi‐
ciency of ther estraint sy stems from
ins talling accessories or from repair sor
we lding Airbags and seat belt
tensioners, as well as
control unit sand sensor sfor ther estraint
sy stems, ma ybeinstalled in thef ollowing
areas of your vehicle:
R Doors
R Door pillars R
Doo rsills
R Seats
R Cockpit
R Instrument clus ter
R Centr econsole #
Do no tins tall accessories suc hasaudio
sy stems in these areas. #
Do no tcarry out repair sorw elding. #
Have accesso ries retrofitted at aquali‐
fi ed specialis tworks hop. Yo
uc ould jeopardise theo perating saf etyofy our
ve hicle if youu se parts ,tyres and wheel saswell
as accessories releva nt tosaf etyw hichh ave not
been appr ovedbyM ercedes-Benz. Saf ety-re le‐
va nt sy stems, e.g. theb rake system, ma ymal‐
function .Onlyu se Mercedes-Benz GenuineParts
or parts of equal qualit y.Onl yuse tyres, wheels
and accessor yparts that ha vebeen specifically
appr ovedfor your vehicle model.
Mercedes-Benzt estsgenuine pa rtsa nd con ver‐
sion parts and accessor yparts that ha vebeen
specificall yappr ove dfor your vehicle model forth
eir reliability ,safet ya nd suitabilit y.Despite
ongoing ma rket resear ch,M ercedes-Ben zis
unable toasses sother parts. Mercedes-Benz
th erefor eaccepts no responsibility fort he use of
suc hparts in Mercedes-Benz vehicles, even if
th ey have been of ficially appr ovedori ndepend‐
ently appr oved byatesting centre.
Cer tain parts ar eonlyo fficially appr ovedfor
ins tallation or modification if they comply wi th
legal requirements. All Mercedes-Benz Genuine‐
Pa rtsm eetthe appr oval requ irements. The use
of non-appr ovedparts ma yinva lidat ethe vehi‐
cle's general operating pe rmit.
This is thec ase in thef ollowing situations:
R Achang eoft hevehicle type from that for
whic hthe vehicle's general operating pe rmit
wa sg ranted.
R Ifot her road user scoul dbee ndangered.
R Ifth ee xhau stgasorn oise le vels are
adversel yaffected.
Alw ayss pecify thev ehicle identification number
(VIN) (→ page450) when ordering Mercedes-
Benz GenuineParts. 22
General no tes

Ve
hicl edata storage Information from electronic control units
Electronic control unit
sarefitted in your vehicle.
Some of these ar enecessar yfor thes afeo pera‐
tion of your vehicle, while some assis tyou when
driving (driver assi stanc esystems). In addition,
yo ur vehicle pr ovides con venience and enter tain‐
men tfunctions, whic harealso made possible by
electronic control units.
Elect ronic control units contai ndatam emories
which cantemp orarily or permanently store
te ch nica linformatio nabout thev ehicle's operat‐
ing status ,component loads, main tenance
re qu irements and tech nica levents or faults.
In general ,this information documents thes tate
of ac omponent part, amodule, asystemort he
sur rounding ssucha s:
R operatin gstatuses of sy stem components
(e.g. fluid le vels, batter ystatus ,tyrep res‐
sure)
R status messages concernin gthe vehicle and
its individualc omponents(e.g. number of
wheel revo lutions/speed, decele ration, lat‐ eral acceleration, displa
yofthefastened seat
belts)
R malfunctions or defectsini mportant sy stem
components (e.g. lights, brakes)
R information on vehicle damag eevents
R system reaction sinspecial drivin gsituations
(e.g. airbag deployment, inter ventio nofs ta‐
bilit ycontrol sy stems)
R ambient conditions (e.g. temp erature, rain
sensor)
In addition toprov iding thea ctual control unit
function ,this dat aassists them anufacturer in
de tecting and rectifying faults and optimising
ve hicle functions. The majority of this dat ais
te mp orar yand is onl yprocessed in thev ehicle
itself. Onl yasmall portion of thed ataiss tored
in thee vent or fault memor y.
When your vehicle is serviced, tech nica ldata
from thev ehicle can be read out byservice net‐
wo rkemplo yees or thirdp arties .Services
include repair services, maintenanc eprocesses,
wa rrant yevents and qualit yassurance meas‐
ures, fore xamp le. The read out is per form ed via
th el egall yprescribed por tfor OBD ("on-board diagnostics"
)inthevehicle. The respective
service networ klocations or thirdp arties col‐
lect ,proces sand use thed ata. The ydocument
te ch nica lstatuses of thev ehicle, assis tinfind‐
in gf aults and impr oving qualit yand ar etrans‐
mit tedtot he manufacturer ,ifnecessar y.Fu r‐
th ermore, them anufacturer is subject toprod‐
uct liability .For this, them anufacturer requ ires
te ch nica ldataf romv ehicles.
Fa ult memories in thev ehicle can be rese tbya
service outle taspartofr epair or maintenance
wo rk.
The ycan enter dat aintot he vehicle's con veni‐
ence and inf otainment function sthemselves as
par toft he selected equipment.
This includes, fore xamp le:
R multimedia dat asuchasm usic,films or pho‐
to sf or playbac kinanintegrated multimedia
sy stem
R address book dat afor use in connection with
an integrated hands-free sy stem or an inte‐
grated navigation sy stem
R entered navigation destinations
R dataabout theu se of Interne tservices 28
General no tes

Re
stra int sy stem functionality When
thei gnition is switched on, asystems elf-
te st is per form ed, during whic hthe 6
re stra int sy stem warning lam plight sup. It goes
out no later than afew second safter thev ehicle
is star ted. The components of ther estraint sys‐
te ma rethen functional. Malfunctioning
restra int sy stem Am
alfunction has occur redint herestra int sys‐
te mi f:
R The 6 restra int sy stem warning lamp
does no tlight up when thei gnition is
switched on.
R The 6 restra int sy stem warning lamp
light supc ontinuousl yorrepeatedly during a
journe y. &
WARNING Risk of inju ryor fata linjury
due toam alfunctio nintherestra int sys‐
tem
If th er estraint sy stem is malfunctioning,
re stra int sy stem components ma ybetrig‐
ge redu nintentionall yormight no tbetrig‐
ge redata ll inthee vent of an accident. This
ma yaffect thes eat belt tensioner or airbag,
fo re xamp le. #
Have ther estraint sy stem checkeda nd
re paired immediatel yataqualified spe‐
cialis tworks hop. Fu
nction of ther estraint sy stem in an acci‐
dent Ho
wt he restra int sy stem worksisd etermined by
th es eve rity of thei mp act de tected and thet ype
of acciden tanticipated:
R Frontal impact
R Rear impact
R Sideimp act
R Rollover The activation
thre sholds fort he components of
th er estraint sy stem ar edetermined based on
th ee valuatio nofthe sensor values measured at
va rious points in thev ehicle. This process is pre-
em ptiveinn ature. The triggering/deployment of
th ec omponents of ther estraint sy stem should
ta ke place in good time at thes tart of thec olli‐
sion.
Fa ctor swhich can only be see nand measu red
af te rac ollision has occur redc ann otpla yad eci‐
siv erole in airbag deployment, nor do they pro‐
vide an indication of airbag deployment.
The vehicle ma ybedeformed significantl ywith‐
out an airbag being deplo yed. This is thec ase if
onl yparts whic hare re lativel yeasil ydeformed
ar ea ffected and ther ateofv ehicle deceleration
is no thigh. Con versely ,ana irbag ma ybe
deplo yede vent hough thev ehicle suf fers only
minor deformation. If very rigid vehicle parts
suc hasl ongitudinal member sarehit, fore xam‐
ple, thev ehicle deceleration ma ybehigh enough
fo rt his tohappen. 32
Occupant saf ety

Re
duce dairbag pr otection &
WARNING Risk of inju ryfrom modi fica‐
tions tothea irbag co ver
If yo um odify an airbag co verora ffix objects
suc hass tickers to it,thea irbag can no lon‐
ge rfunction cor rectl y. #
Neverm odify an airbag co vera nd do
no ta ffix objectstoi t.The ins
tallation location of an airbag is identified
by theA IRB AG symbol (→ page38). &
WARNING Risk of inju ryor deat hdueto
th eu se of unsuitable seat co vers
Uns uitable seat co vers can obstruct or pre‐
ve nt thed eployment of thea irbags integra‐
te di ntot he seats.
Consequentl y,thea irbags cann otprotect
ve hicle occupants as they ared esigned to
do. In addition, theo peration of thea uto‐
matic front passenger airbag shutof fcould
be restricted. #
Yous hould on lyuse seat co vers that
ha ve been appr oved fort he cor respond‐
ing seats byMercedes-Benz. &
WARNING Risk of inju rydue tomalfunc‐
tions of thes ensor sinthe door panelling
Sensor stocontrol thea irbags ar elocated in
th ed oors. Modification sorworkn otper‐
fo rm ed cor rectl ytot he door sordoor panel‐
ling, as well as damaged doors, can lead to
th ef unction of thes ensor sbeing impaired.
The airbags might therefor enotfunction
proper lyan ym ore.
Consequent ly,t he airbags canno tprotect
ve hicle occupants as they ared esigned to
do. #
Neverm odify thed oor sorp arts of the
doors. #
Alw aysh ave workon thed oor sord oor
panelling car ried out at aqualified spe‐
cialis tworks hop. &
WARNING Risk of inju rydue todeplo yed
airbag
Ad eplo yeda irbag no longer of fers anyp ro‐
te ction and canno tprovide thei ntended pro‐
te ctiv efunction in thee vent of an accident. #
Have thev ehicle towe dtoaq ualified
specialis tworks hop in order tohave the
deplo yeda irbag replaced. Ha
ve deplo yeda irbags replaced immediately. St
atus of thef ront passenger airbags Fu
nction of thea utomatic front passenger
front airbag deactivation sy stem
The automatic front passen gerfront airbag deac‐
tivation sy stem is able todetect whe ther the
front passenger sea tisoccupied byap erson or
ac hild restra int sy stem. The front passenger air‐
bag is enabled or disabled accordingly. 40
Occupant saf ety

R
press or pull ther emo teoperating switch
on thed rive r's door ,or
R press thec losing or locking button on the
ta ilgate, or
R Pull thet ailgat ehandle. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCES Syou can open, close
or stop thec losing process of thet ailgat eby
per form ing akickin gmovement under ther ear
bumper.
The kicking mo vement trigger sthe opening or
closing process alternately.
Obser vethen otes when opening (→ page75)
an dc losin g(→ pag e77)thet ailgate.
% Twow arning tones sound when thet ailgate
is opening or closing. &
WARNING Risk of bu rnsc aused byah ot
ex haus tsystem
The vehicle exhaus tsystemc an become very
hot. If youu se HANDS-FRE EACCESS, you
could bu rnyourself by touchin gthe exhaust
sy stem. #
Alw ayse nsur ethat youo nly ma ke a
kicking mo vement within thed etection
ra ng eoft he sensors. *
NO
TEVehicle damag eduetounin ten‐
tional opening of thet ailgate R
when using an automatic car wash
R when using ahigh pressur ecleaner #
Deactivat eKEYLESS-GO or mak esure
th at thek eylocated is at leas t3m
aw ay from thev ehicle in suc hsitua‐
tions. When making
thek icking mo vement, mak esure
th at your feet aref irml yont he ground, other‐
wise youc ould lose your balance, e.g .onice.
Re quirements:
R The keyisb ehind thev ehicle.
R Stand at leas t30cmawayfromt hevehicle
while per form ing thek icking mo vement.
R Do no tcome int ocontact wit hthe bumper
while making thek icking mo vement.
R Do no tcarry out thek icking mo vement too
slowl y.
R The kicking mo vement mus tbetowards the
ve hicle and bac kagain. Opening and closing
79

Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
, Vehicle .
î Vehicle settings .
Tow-
away protection #
Activate Oor deacti vate ª thef unction.
To w- aw ay protection remains deactivated until:
R The vehicle is unloc keda gain.
R Avehicle door is opened.
R The vehicle is loc keda gain. Fu
nction of interior pr otection When interior pr
otection is primed, avisual and
audible alar mistriggered if mo vement is de tec‐
te dint hevehicle interior.
Interior pr otection is primed automaticall yafter
appr oximatel y10seconds:
R Afterl ocking thev ehicle wit hthe key.
R Afterl ocking thev ehicle using KEYLESS-GO. Interior pr
otection is onl yprimed when thef ol‐
lowing component sareclosed:
R Doo rs
R The tailgate
Interior pr otection is automaticall ydeactivated:
R Afterp ressing the% orp button on
th ek ey.
R Afterp ressing thes tart/s topb utton wit hthe
ke yint he stow agec ompartment
(→ pag e169).
R Afteru nlocking thev ehicle using KEYLESS-
GO.
R When using HANDS-FREE ACCESS.
The following situations can lead toafalse
alarm:
R Movin gobject ssuchasm ascotsint hevehi‐
cle interior.
R The side windo wisopen.
R When thes liding sunroof is open.
R The panoramic sliding sunroof is open. Priming/deactivating interior pr
otection Multimedia sy
stem:
, Vehicle .
î Vehicle settings .
Inte-
rior motion sensor #
Activate Oor deacti vate ª thef unction.
Interior pr otection remains deactivated until:
R The vehicle is unloc keda gain.
R Avehicle door is opened.
R The vehicle is loc keda gain. 92
Openin gand closing

#
Alw ayso bser vethet raffic carefull yand
switc hoffthem ain beam in good time. Sy
stem limitations
Ad aptiv eHighbeam Assis tcanno ttak ei nto
account road, weather or traf ficc onditions.
De tection ma yberestricted if:
R Visibility is impaired, fore xamp le in fog,
heavy rain or sno w.
R Ther eisd irtont he sensor sorthe sensors
ar eo bscured.
Ad aptiv eHighbeam Assis tisonlyan aid. Youa re
re sponsible fora dju sting thev ehicle's lighting to
th ep reva ilin glight ,visibilit yand traf ficc ondi‐
tions. Ad
aptiv eHighbeam Assis tswit ches automati‐
cally between:
R Dipped beam
R Main beam
At speeds abo ve30 km/h:
R If no other road user saredetected, them ain
beam is automaticall yswitched on. The main beam switches of
fautomatically:
R Atspeeds belo w25km/h.
R Ifot her road user saredetected.
R Ifstre et lighting is suf ficient.
At speeds abo veappr ox.50k m/h:
R The headlamp rang eoft he dipped beam is
re gulated automaticall ybased on thed is‐
ta nce to ot herroad users.
The sy stem's optical sensor is located behind
th ew indscreen near theo verhead control panel.
Switching Adaptiv eHighbeam Assis ton/off #
Toswitc hon:tur nthe light switc hto
the à position. #
Switc hont he main beam using thec ombina‐
tion switch.
When them ain beam is switched on auto‐
maticall yinthe dar k,the _ indicator
lam pint he multifunction displa ycomes on. #
Toswitc hoff:switc hoffthem ain beam
using thec ombination switch. 14 0
Light and sight

Ad
aptiv eHighbeam Assis tPlus Ad
aptiv eHighbeam Assis tPlus function &
WARNING Risk of accident despi te
Ad aptiv eHighbeam Assis tPlus
Ad aptiv eHighbeam Assis tPlus does no trec‐
ognise thef ollowing road users:
R Road user swithout lights, e.g .pedes‐
trians
R Road user swithp oor lighting ,e.g.
cyclists
R Road user swhos elighting is obstructed,
e.g .bya barrier
On very rare occasions, Adaptiv eHighbeam
Assis tPlus ma yfail torecognise other road
user sthat ha velights, or ma yrecognise
th em tool ate.
In this, or in similar situations ,the automatic
main beam will no tbedeactivated or will be
activated despit ethe presence of other road
users. #
Alw ayso bser vethet raffic carefull yand
switc hoffthem ain beam in good time. Sy
stem limitations
Ad aptiv eHighbeam Assis tPlus canno ttak ei nto
account road, weather or traf ficc onditions.
De tection ma yberestricted if:
R Visibility is impaired, fore xamp le in fog,
heavy rain or sno w.
R Ther eisd irtont he sensor sorthe sensors
ar eo bscured.
Ad aptiv eHighbeam Assis tPlus is on lyan aid.
Yo ua re re sponsible fora dju sting thev ehicle's
lighting tothep reva ilin glight ,visibilit yand traf‐
fi cc onditions. Ad
aptiv eHighbeam Assis tPlus swit ches auto‐
maticall ybetwe en:
R Dipped beam
R Partial main beam
R Main beam
The partial main beam uses them ain beam to
shine pas tother road user srather than dazzling Ligh
tand sight 141