
RHowf astthe vehicle wastrave ling.
This dat acan help pr ovide abette ru nder stand‐
ing of thec ircums tances in whic haccidents and
inju ries occur .NOTE: ED Rdataisr ecorded by
yo ur vehicle onl yifanon-trivial crash situation
occurs; no dat aisrecorded bytheE DR under
normal driving conditions and no personal data
(e.g. name, gende r,ag ea nd accidentl ocation) is
re corded .How ever,o ther parties, suc haslaw
enforcement,c ould combine EDR dat awitht he
type of personall yidentifying dat aroutinely
acquired during acrash inve stigation.
Ac cess tothev ehicle and/or theE DR is needed
to read dat athat is recorded bytheE DR,and
special equipment is requ ired. In addition tothe
ve hicle manufacturer ,other parties that ha vethe
special equipment, suc haslawenforcement,
can read thei nformation byaccessing thev ehi‐
cle or theE DR.
ED Rd atam aybe used in civil and criminal mat‐
te rs as atool in accident reconstruction, acci‐
dent claims and vehicle saf ety. Since theC rash
Dat aRetrieva l(CDR) tool that is used toextract
da ta from theE DR is commercially available, Mercedes-Ben
zUSA,LLC ("MBUSA") expressly
disclaims an yand all liability arising from the
ex traction of this informatio nbyunauthorized
Mercedes-Ben zpersonne l.
MBUS Awill no tshar eEDR data wit hother sw ith‐
out thec onsent of thev ehicle owner o
r
,ifthe
ve hicle is leased, without thec onsent of thel es‐
see. Exception stothisrepresentation include
re sponses tosubpoenas bylawe nforcement ;by
fe deral, stat eorl ocal go vernment ;inconnection
wit hora rising out of litigation in volvingM BUSA
or its subsidiaries and af filiates; or ,asrequired
by law.
Wa rning: theE DR isac omponen tofthe
Re stra int Sy stem Module. Tamp ering with, alter‐
ing, modifying or removing theE DR component
ma yresult in amalfunction of theR estraint Sys‐
te mM odule and other sy stems.
St atel aws orregulations rega rding EDRs that
con flict wit hfederal regulation ar epre-em pted.
This means that in thee vent of such conflict,the
fe deral regulation go verns. As of Februar y2013,
13 states ha veenacted la wsrelatin gtoE DRs.
Copyright
Information on licenses forf reea nd open-
source so ftwa re
Information on licenses forf reea nd open-sourc e
softwar eused in your vehicle and its electronic
componentsisa vailable online at:
http://www.mercedes-benz.com/opensource
Re gis tere dtrademar ks
RBluetoo th®isar egis tere dt rademar kofBlue‐
toot hSIG Inc.
RDTS™ is aregis tere dt rademar kofDTS,Inc.
RDolby®and MLP™a reregis tere dt rademar ks
of DOLB YLaboratories.
RBabySmart™, ESP®and PRE-SAFE®arer eg‐
is te re dt rademar ksof Daimler AG.
RHomeLink®isar egis tere dt rademar kof
Johnson Controls.
RiPod®and iTunes®ar er egis tere dt rademar ks
of Apple Inc.
28 General no tes

Restra int sy stem
Pr otection byther estraint sy stem
The restra int sy stem includes thef ollowing:
RSeat belt sy stem
RAirbags
RChild restra int sy stem
RChild seat securing sy stem
In thee vent of an accident, ther estraint sy stem
can:
RRe duce ther isk of vehicle occupants coming
int oc ontact wit hparts of thev ehicle interior.
RReduce thef orces towhic hthe vehicle occu‐
pants ar esubjected.
As eat belt can onl yprovide theb estleve lofp ro‐
te ction if it is worncor rectl y.Depending on the
de tected accident situation, Emergency Tension‐
ing Device sand/or airbags supplement thep ro‐
te ction of fere dbyac orrectl yw orns eat belt.
Emer gency Tensioning Device sand/or airbags
ar en otdepl oyed in everyaccident. So
that ther estraint sy stem can pr ovide pr otec‐
tion ,eachv ehicle occupant mus t:
RWith th eseat belt fastened cor rectly
RIn an almos tupright position wi th their back
agains tthe seat backrest
RSit wit htheir feet resting on thef loor ,ifp os‐
sible.
RAlw aysbes ecured in an additional restra int
sy stem suitable forM ercedes-Benz vehicles
if th ey areu nde r5f t(1.50 m) tall.
Ho wever,no sy stem available toda yc an com‐
ple tely eliminat einjuries and fata lities in every
accidents ituation. In particular ,the seat belt
and airbag general lydo no tprotect against
objects penetrating thev ehicle fr om
theo ut
side.
Ar isk of inju rycaused bythea irbag deploying
can also no tbecomple tely ruled out.
Re duce drestraint sy stem pr otection
&
WARNING Risk of injury or deathfrom
modifications tother estraint sy stem
Modification stotherestra int sy stem may
cause it tono longer workas intended.
The restra int sy stem ma ythen no tprotect
th ev ehicle occupants as intended byfailing
in an accident or triggering unexpec tedly ,for
ex ample
#Ne vera lter thep arts of ther estraint
sy stem.
#Ne vertamper wit hthe wiring or any
electronic component parts or their
software.
If it is necessar ytomodifythev ehicle toaccom‐
modat eaperson wit hdisabilities, con tact a
qu alified specialis tworks hop. Mercedes-Benz
re commends that youo nly use seat beltsw hich
ha ve been appr oved specificall yfor your vehicle
by Mercedes-Benz.
RContact aMercedes-Benzs ervice centerfor
de tails.
30
Occupant saf ety

Onlyuse seat belts that ha vebeen appr ovedfor
yo ur vehicle byMercedes-Benz.
&
WARNING Risk of injury or deathfrom
deplo yedp yrot echni cEmergency Ten‐
sioning Devices
Pyro tech nic Emergency Tensioning Devices
th at ha vebeen deplo yeda reno longer opera‐
tional and ar eunable toper form their inten‐
ded pr otectiv efunction.
#Therefore, ha vedeplo yedp yrot echnic
Emer gency Tensioning Device simmedi‐
ately replaced at aqualified specialis t
wo rkshop.
Mercedes-Benz recommends that youh avet he
ve hicle towe dtoaq ualified specialis tworks hop
fo llowing an accident.
* NO
TEDama gecaused bytrapping the
seat belt
If an unused seat belt is no tfully retracted ,it
ma ybecome trappe dinthe door or in the
seat mechanism.
#Alw ayse nsur ethat an unused seat belt
is full yretra cted.
In fo rm ation on theb elt air bag in ther ear
seat belt
Th eB ELTB AGidentification indicates that ar ear
seat belt is equippe dwithab elt air bag.
When activated, theb elt air bag increases the
pr otected area of thev ehicle occupant's ribcage.
&
WARNING Risk of injury or death
th ro ugh theu se of anon-appr ovedchild
re stra int sy stem
In an accident, theb elt air bag ma ydamage
an on-appr ovedchild restra int sy stem or a
ch ild restra int sy stem whic hhas no tbeen
appr ovedfor use in conjunctio nwitht he belt
air bag.
As aresult, thec hild restra int sy stem may
no tbea bletoprov ide thei ntended le velo f
pr otection.
#Therefore, alw aysu seLATC H-type (ISO‐
FIX) tofast enachild seat equippedw ith
an integ ratedr estraint sy stem.
#Fo rv ehicles equipped wit hthe optional
re ar seat belt air bags ("beltbag"), only
use aMercedes-Ben zappr oved boos ter
seat wit hintegrated backrest.
#Ne veru se an air bag equipped seat belt
to fast enafront-orr ear-facing child
seat or anon-appr ovedboos ters eat.
#Please contact an au thorized Mercedes-
Benz Center fori nformation on
app rove dc hild restra int sy stems.
Fa stening and adju sting seat belts
Ifth es eat belt is pulled quickl yors harply,the
seat belt retractor lo cks. The seat belt stra pc an‐
no tbep ulled out an yfurther.
Occupant saf ety 35

#Alwayse ngag eseat belt tongue 2ofthe
seat belt int oseat belt buckle 1ofthec or‐
re sponding seat.
#Press and hold thes eat belt outle trelease
and slide thes eat belt outle tint ot he desired
position.
#Le tgooft he belt outle trelease and ensure
th at thes eat belt outle tloc ks in position. Ve
hicles with PRE-SAFE
®:If th ef ront seat belt
is no tpulled tight across your body ,the seat belt
adjustment ma yautomaticall yapply acertain
tigh tening forc e. Do no thold thes eat belt tightly
while it is adjusting .You can activat eand deacti‐
va te thes eat belt adjustmen tfunction using the
multimedia sy stem.
* NO
TEDeployment of theE mer gency
Te nsioning Device when thef ront
passenger seat is unoccupied
If th es eat belt tongueise ngaged in thes eat
belt buckle of thef ront passenger seat and
th ef ront passenger seat is unoccupied, the
Emergency Tensioning Device ma ydeplo yin
th ee vent of an accident.
#Onl yone person should use eac hseat
belt at an yone time.
Releasing seat belts
#Press ther elease button in thes eat belt
buckle and guide thes eat belt bac kwitht he
seat belt tongue.
Ac tivatin gordeactivatin gseatb elta djust‐
men tviathe multimedi asystem
Multimedia sy stem:,Vehicle.î Vehicle Settings.Belt
Adjustment
#Ac tivate Oor deacti vate ª thef unction.
Seat belt warning fort he driver and front
passen ger
The ü seat belt warning lam pinthe Instru‐
ment Displa yisareminder that all vehicle occu‐
pants mus twear their seat belts cor rectly.
The ü seatb eltw arning lam plightsupf or six
seconds af tere very engine start.
In addition,t herem aybe aw arning tone.
Whe nthe front door sareclosed and thed rive r
and front passenger ha vefast ened their seat
belts, thes eat belt warning goes out.
36
Occupant saf ety

Reduce dairbag pr otection
&
WARNING Risk of injury from modifica‐
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.
#Ne verm odify an airbag co vera nd do
no ta ffix objectstoi t.
&
WARNING Risk of injury duetounsuita‐
ble 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 fsyst em
could be restricted. Thisp oses an increased
ri sk of injur yorevenf atal injur y.
#Yous hould only use seat co vers that
ha ve been appr oved fort he cor respond‐
ing seats byMercedes-Benz.
&
WARNING Risk of injury duetomalfunc‐
tions of thes ensor sinthe door paneling
Sensor stocontrol thea irbags ar elocated in
th ed oors. Modification sorworkn otper‐
fo rm ed cor rectl ytot he door sordoor panel‐
ing, 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.
#Ne verm odify thed oor sorp arts of the
doors.
#Alw aysh ave workon thed oor sord oor
paneling car ried out at aqualified spe‐
cialis tworks hop.
&
WARNING Risk of injury duetodeplo yed
airbag
Ad eplo yeda irbag no longer has aprotective
function and cann otprotect as intended in
th ee vent of an accident.
#Ha ve 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 airbag
Po ints toremember when the front
passen gers eatiso ccupied
The au tomatic front passenger air bag shutof fis
abl etod etect whe ther thef ront passenger seat
is occupied byap erson or achild restra int sys‐
te m. The front passenger air bag is enabled or
deactivated accordingly.
When ins talling achild restra int sy stem on the
front passenger seat:
REnsure that thec hild restra int sy stem is posi‐
tioned cor rectl y.
Occupant saf ety 39

PRE-SAFE®
Information on PRE-SAFE®(anticipatory
occupant pr otection)
PRE- SAFE®is able todetect cer tain critical driv‐
ing situations and implementp re-em ptivem eas‐
ures toprotect thev ehicle occupants.
PRE-SAFE
®can implement thef ollowing meas‐
ures independentl yofeacho ther:
RTighten thes eat belts on thed rive r's seat
and front passenger seat.
RClose thes ide windo ws.
RVehicles with sliding sunroof: Closethe
sliding sunroof.
RVe hicles with memor yfunction: Movethe
front passenger seattoa morefavorable
seat position.
RVe hicles with multicontour seat: Increase
th ea ir pressur einthe seat side bols ters of
th es eat backrest.
RPRE-SAFE®Sound: pr ovided that them ulti‐
media sy stem is switched on, generates a brie
fnoise signaltos timulatethe innat epro‐
te ctiv em echanism of aperson's hea ring.
* NO
TEDama gecaused byobject sinthe
fo ot we ll or behindt he seat
The automatic adjustment of thes eat posi‐
tion ma yresult in damag etothe seat and/or
th eo bject.
#Stow object sinas uitable place.
Reversing theP RE- SAFE®measures
If an accident did no toccur ,the pre-e mptive
measures that weretaken ar ereversed. You
will need toper form certain settings your‐
self.
#If th es eat belt pre-tensioning is no treduced,
mo vethes eat backres tbacks lightl y.
The locking mechanism releases.
PRE- SAFE®PLUS (anticipa tory occupant pro‐
te ction plus)
PRE-SAFE®PLUS can de tect cer tain impacts,
particularly an imminent rear impact ,and take
pre-e mptivem easure stoprotect thev ehicle
occupants. These measures canno tnecessarily
pr eve nt an imminent impact.
PRE-SAFE
®PLUS can implement thef ollowing
measures independentl yofeacho ther:
RTightening thes eat belts on thed rive r's seat
and front passenger seat.
If an accidentd oes notoccur ,the pre-emp‐
tiv em easures that we retake na re re versed .
RIncre asingb rake pressur ewhen thev ehicle
is stationar y.This brak eapplication is can‐
celed automatically when thev ehicle pulls
aw ay.
PRE-SAFE
®PLUS sy stem limitationsRNo me asures ar eimp lemented:
-Ifth ev ehicle is backing up.
RThe brakes ar enotapplied:
-Whils tdriving.
44
Occupant saf ety

#Ifth ec hild restra int sy stem has been
ex posed todirect sunlight ,allowitt o
cool befor esecu ring achild int oit.
#Ne verlea ve children unatte ndedint he
ve hicle.
The use of seat belts and child restra int sy stems
is requ ired bylawi n:
Rall 50 states
Rth eU .S.territories
Rth eD istrict of Columbia
Rall Canadian pr ovinces
All child restra int sy stems mus tmeetthe follow‐
ing standards:
RU. S. Federal Mo torV ehicle Saf etyS tandards
21 3a nd 225
RCanadian Mo torV ehicle Saf etyS tandards
21 3a nd 210.2
Yo uc an obtain fur ther information about the
cor rect child restra int sy stem from an yauthor‐
ized Mercedes-Benz Center. To
impr oveprotection forc hildren younger than
12 yearso ld and unde r5ft(1.50 m) in height,
Mercedes-Ben zrecommends youo bserv ethe
fo llowing no tes:
ROnl ysecur echildren using achild restra int
sy stem whic hissuitable and recommended
fo rM ercedes-Benz vehicles, as well as appro‐
priat etot he size, ag eand weight of the
ch ild. Be sur etoobservethei nstruction sfor
cor rect us eoft hechild restra int sy stem.
RAlw aysi ns tallac hild restra int sy stem on a
re ar seat if possible.
ROnly usethef ollowing securing sy stems for
ch ild restra int sy stems:
-th es eat belt sy stem
-th eL ATCH -type (ISOFIX )mounting
brac ket
-theT op Tether anchorages
RThe manufacturer's ins tallation instructions
fo rt he child restra int sy stem.
RThe warning labels in thev ehicle interior an d
on thec hild restra int sy stem.
&
WARNING Risk of injury causedby
incor rect ins tallation of thec hild
re stra int sy stem
If th ec hild restra int sy stem is incor rectly
ins talled on asuitable seatin gposition, it
canno tperform its intended pr otectiv efunc‐
tion.
The child canno tberestrained in thee vent of
an accident, heavy braking or asudde n
ch ang eofd irection.T his posesani ncreased
ri sk of injur yorevenf atal injur y.
#Alwaysc ompl ywitht he manufacturer's
ins tallation instructions fort he child
re stra int sy stem and its cor rect use.
#Make surethat thee ntir ebase of the
ch ild restra int sy stem alw aysr ests on
th es itting sur face of thes eat.
#Neverp lace objects under or behind
th ec hild restra int sy stem, e.g. acush‐
ion.
#Alw aysu sechild restra int sy stems with
th eo riginal co verd esigned fort hem.
46
Occupant saf ety

It istherefor enotpossible toengag ethe seat
belt again.
#Pull overand stop thev ehicle safely as
soon as possible, paying attention to
ro ad and traf ficc onditions.
#Activat ethe child seat saf etyf eature
again and cor rectl ys ecu rethec hild
re stra int sy stem.
When enabled, thes pecial seatbelt retractor
ensures that thes eat belts of ther ear seats do
no ts lac keno nce thec hild restra int sy stem is
secured.
Alw aysc ompl ywitht he manufacturer's ins talla‐
tion instructions when ins talling and removing
th ec hild restra int sy stem.
Ac tivatin gthe child seat saf etyf eature:
#Pull thes eat belt out fully and le tthe inertia
re el retract it again.
When thec hild seat saf etyf eatur eisa ctiva‐
te d,you should hear aratcheting sound.
#Pusht hechild restra int sy stem down until
th es eat belt sits tightly. Deactivating the
child seat saf etyf eature:
#Pres sthe release button of thes eat belt
buckle.
#Hold thes eat belt tonguea nd guid ebackt o
th es eat belt outlet.
LATC H-type (ISOFIX) child seat attachment
Note sonL ATCH-type (ISOFIX) child seat
attachments
& WARNING Risk of injury when usingthe
LA TC H-type (ISOFIX )child restra int sys‐
te ma ndexc eeding thep ermissible
we ight
LA TC H-type (ISOFIX )child restra int sy stems
do no toffer suf ficient pr otection forc hildren
we ighingm oret han 49 lb (22 kg)w ho are
secured using thes eat belt integrated in the
ch ild restra int sy stem.
Fo re xamp le,thec hild ma ynotbe restra ined
cor rectly in thee vent of an accident. This
poses an increased risk of injur yoreven
fa ta linjur y.
#Ifth ec hild weighs mor ethan 49 lb
(22 kg),onl yuseLATC H-type (ISOFIX)
ch ild restra int sy stems wit hwhichthe
ch ild is secured using thes eat belt of
th ev ehicle seat.
#Also secur ethe child restra int sy stem
wit hthe TopT ether belt, if available.
When ins talling achild restra int sy stem, be sure
to obser vethem anufacturer's ins tallation
instructions and thei nstruction sfor cor rect use
of thec hild restra int sy stem.
LA TC H-type (ISOFIX )isastandardized securing
sy stem fors pecialr estraint sy stems. LATC H-type
(ISOFIX )child restra int sy stems ar eappr oved in
accordance wit hECE R-44 .
Onl ychild restra int sy stems that ha vebeen
appr ovedina ccordance wit hECE R-44 maybe
attached toLATC H-type (ISOFIX )mounting
brac kets.
48
Occupant safe ty