
Depending on the perso
ninthe front-
passenge rsea t, the front-passenge rfront air-
ba gise ithe rd isable dorenabled .The front-
passenge rfront airba gcan onl ybedeployed
in an accident if the PASSENGER AIR BAG OFF indicator lamp is off .Obser ve the information
on the PASSENGER AIR BAG OFF indicator
lamp (Y page 45).
Your vehicl ehastwo-stage front airbags. In
the first deployment stage ,the front airba gis
fille dwithp ropellant ga storeduce the risk of
injuries .The front airba gisfullydeployed if
the second deployment stage is activated
withi nafew milliseconds.
Th ea ctivatio nthreshold for the seat belt ten-
sioners and airbags is determine dbased on
the evaluation of the vehicle' srateofd ecel-
eratio noracceleratio natvarious points in the
vehicle. This proces sispre-emptiv einnature.
Th et riggering/deployment proces sshould
take place in good tim eatthe start of the
collision.
Th er ateofv ehicledeceleratio noraccelera-
tio na nd the directio nofthe force ar eessen-
tiall ydetermine dby:
R the distributio nofforces during the colli-
sion
R the collision angle
R the deformatio ncharacteristics of the vehi-
cle
R the characteristics of the object with which
the vehicl ehascollided
Factors which can onl ybeseena nd measured
after acollision ha soccurre ddonot play a
decisiv eroleint he deployment of an airbag,
nor do the yprovide an indicatio nofairbag
deployment.
Th ev ehicl emaybe deformed significantly
without an airba gbeing deployed .Thisist he
cas eifo nlyp arts which ar erelativel yeasily
deformed ar eaffecte dand the rate of decel-
eratio nisn ot high .Conversely ,anairba gm ay
be deployed eve nthoug hthe vehicl esuffers
onl ym inor deformation. This is the cas eif, for
example, ver yrigid vehicl eparts such as lon- gitudina
lbod ym embers ar ehit,a nd sufficient
deceleratio noccurs as aresult.
If the restraint syste mcontro lunitd etects a
side impact or if the vehicl eoverturns, the
applicabl ecomponents of the restraint sys-
tem ar eactivated independentl yofeach
other depending on the apparent typ eofacci-
dent.
R Sidebag sand pelvisba gonthe side on
which an impact occurs, independent from the seat belt tensioner and seat belt usage
Vehicle switht he automatic child seat rec-
ognition on the front-passenge rseat: the
sideba gand pelvisba gonthe front-
passenge rside( front) deploy under the fol-
lowing conditions:
- an occupant is detecte donthe front-
passenge rseator
- the belt tongue is engaged in the belt
buckle of the front-passenge rseat
R Windowbag on the side on which an impact
occurs, independent of seat belt usag eand
regardles sofwhether the front-passenger
seat is occupied
R Sea tbeltt ensioners ,ifthe syste mdeter-
mines tha tdeployme nt can offer additional
protection for the vehicl eoccupants in this
situation
R Windowbag sonthe driver's and front-
passenge rsideinc ertainsituations if the
vehicl eoverturns and if the syste mdeter-
mines tha tdeployme nt can offer additional
protection to tha tprovide dbythe seat belt
i Not al
lairbags ar edeployed in an acci-
dent. Th edifferent airba gsystems work
independentl yofeacho ther.
How the airba gsystemw orks is deter-
mined by the severity of the accident detec- ted ,especially the vehicl edeceleratio nor
acceleration, and the apparent typ eofacci-
dent:
R frontal collision
R side impact
R overturn 54
Occupant safetySafety

NECK-PRO luxury head restraints
Do not place your fingers between the cush-
io noft he head restraint and the cover. Pay
particular attentio nwhile resetting the NECK-
PR Ol uxuryh eadr estraints.
X Remov eresetting tool :fromt he vehicle
document wallet.
X Slide resetting tool :into guide ;
between the NECK-PR Oluxuryh ead
restraint and the rea rcove roft he head
restraint.
X Push resetting tool :downwards unti lyou
hear the head restraint deployment mech-
anism engage.
X Pull ou tresetting tool :.
X With your hand flat, firml ypusht he NECK-
PR Ol uxuryh eadr estraint cushion back-
wards in the direction of arrow =unti lit
engages.
X Repeat thi sprocedur efor the second
NECK-PR Oluxuryh eadr estraint.
X Pu tresetting tool :back into the vehicle
document wallet.
i If yo
uhaved ifficulty resetting the NECK-
PR Ol uxuryh eadr estraints ,havet hisw ork
carried ou tataqualified specialis twork-
shop. PRE-SAFE
®
(anticipatory occupant
protection)
Introduction In certain hazardous situations, PRE-SAFE
®
take spre-emptive measures to protect the
vehicl eoccupants.
Important safety notes !
Make sure tha
tthere ar enoobjects in the
footwell or behind the seats .The re is arisk
tha tthe seats and/or the objects could be
damage dwhenP RE-SAFE ®
is activated.
Although your vehicl eisequippe dwithP RE-
SAFE ®
,t he possibility of injury in the event of
an accident cannot be rule dout.A lways
adap tyou rd rivin gstyle to suit the prevailing
roa dand weather conditions and maintain a
safe distance fro mthe vehicl einfront. Drive
carefully.
Function PRE-SAFE
®
intervenes:
R in emergency braking situations, e.g .when
BAS is activated
R in critica ldrivin gsituations, e.g .whenp hys-
ica llimit sareexceeded and the vehicle
understeers or oversteers severely
R on vehicles with the Driving Assistance
package: if BAS PLU Sintervenes power-
full yort he rada rsen sor syste mdetects an
imminent dange rofcollision in certain sit-
uations
PRE-SAFE ®
take sthe following measures
depending on the hazardous situatio ndetec-
ted:
R the front seat belts ar epre-tensioned.
R if the vehicl eskids ,the sliding sunroo fand
the side windows ar eclose dsot hato nlya
small ga premains. Th epanorama sliding
sunroo fiscompletel yclosed. 56
Occupant safetySafety

Automati
cmeasures after an acci-
dent
Immediately after an accident, th efollowing
measures are implemented, depending on
th et ypea nd severity of th eimpact:
R theh azard warning lamp sare activated
R thee mergenc ylighting is activated
R thev ehicl edoor sare unlocked
R thef ront side windows are lowered
R vehicles wit hamemory function :the elec-
trically adjustable steering whee lisraised
R thee ngineiss witched off and th efuel sup-
ply is cut off
R vehicles wit hthe Mercedes-Benz emer-
gency call system: automatic emergency
call
R vehicles wit hthe hybrid driv esystem: the
hybrid system and th ehigh-voltage electri-
cal system are deactivated Children in th
evehicle Important safety notes
Acciden tstatistics sho wthatc hildren
secured in th erear seat sare safer than chil-
dre nsecured in th efront seats. Fo rthisr ea-
son ,Mercedes-Benz strongly advises that you
instal lachild restrain tsystem on arear seat.
Children are generally bette rprotected there.
If ac hild younger than twelve years old and
under 1.50 minh eight is travellin ginthe
vehicle:
R always secure th echild in achild restraint
system suitable for Mercedes-Benz vehi-
cles. The child restrain tsystem mus tbe
appropriat etotheage, weigh tand siz eof
th ec hild
R be sur etoobservethe instruction sand
safet ynotes in this section in addition to
th ec hild restrain tsystem manufacturer's
installation instructions
Do no tfitar earward-facing child restraint
system on th ecentre rear seat. G
WARNING
If you leav echildren unattended in th evehi-
cle ,the ym ay be able to set th evehicl ein
motion if, for example, they:
R release th eparking brake
R shif tthe automatic transmission out of park
position Por shif tmanual transmission into
neutral
R start th eengine
In addition ,the ym ay operate vehicl eequip-
men tand become trapped .There is ariskof
an acciden tand injury.
When leaving th evehicle, always tak ethe key
wit hyou and loc kthe vehicle. Never leave
children unattended in th evehicle. G
WARNING
If person s(particularly children )are exposed
to heat or cold for aprolonged period, there is
ar iskofs erious or eve nfatal injuries. Never
leav eperson s(particularly children )unatten-
ded in th evehicle. G
WARNING
If th echild restrain tsystem is placed in direct
sunlight, th epartsc ould become ver yhot.
Children could be suffer burn sbytouching
these parts, in particular on th emetallic parts
of th echild restrain tsystem. There is ariskof
injury.
If you and your child leav ethe vehicle, always
mak esuret hatthe child restrain tsystem is
no tind irectsunlight. Cove ritwithab lanket,
for example. If th echild restrain tsystem has
been exposed to direc tsunlight, leav eitto
cool down before securin gthe child in it.
Never leav echildren unattended in th evehi-
cle.
Always ensur etha tall vehicl eoccupant shave
their seat belt sfastene dcorrectly and are sit-
ting properly. Particular attention mus tbe
paid to children.
Observ ethe safet ynotes on th eseat belt
(Y page 46) and th enotes on how to use the
seat belt properly (Y page 47).58
Childre
ninthevehicleSafety

chil
drestraint system with transponders has
bee nfitted .Inthis case, the PASSENGER AIR
BAG OFF indicator lamp lights up and remains
lit. The front-passenger front airba gisdisa-
bled.
i If the front-passenger front airba gisdis-
able dbyt he automatic chil dseatrecogni-
tion, the following remain enabled on the
front-passenger side:
R the sidebag
R the pelvisbag
R the windowbag
R the bel ttensioner G
WARNING
If yo usecure achildinac hildr estraint system
on the front-passenger sea tand the
PASSENGER AIR BAG OFF indicator lamp is
off, the front-passenger front airba gcan
deploy in the event of an accident. The child
could be struck by the airbag. Thi sposes an
increased ris kofinjury or eve nfata linjury.
Make sure that the front-passenger front air-
ba gh asbee ndisable d. The PASSENGER AIR-
BAG OFF indicator lamp mus tbelit. G
WARNING
If the PASSENGER AIRBAG OFF indicator lamp is lit, the front-passenger front airba gisdisa-
bled. It will not be deployed in the event of an
accident and cannot perform its intended pro-
tectiv efunction. Aperson in the front-
passenger sea tcould then, for example, come
into contact with the vehicle's interior ,espe-
ciall yift he person is sitting too clos etothe
dashboard. Thi sposes an increased ris kof
injury or eve nfata linjury.
In this cas ethe front-passenger sea tmay not
be used. You may only transpor tachildont he
front-passenger sea tifthey are seated in a
suitabl erearward or forward-facing child
restraint system. Alway sobserve the infor-
mation abou tsuitabl epositioning of the child
restraint system in this Owner's Manua las
well as the chil drestraint system manufac-
turer's installation instructions. G
WARNING
If yo usecure achildinaf orward-facing child
restraint system on the front-passenger seat
and yo uposition the front-passenger sea ttoo
close to the dashboard, in the event of an
accident, the chil dcould:
R come into contact with the vehicle's inte-
rio rift he PASSENGER AIR BAG OFF indi-
cator lamp is lit, for example
R be struck by the airba gifthe PASSENGER
AIR BAG OFF indicator lamp is off
Thi sposes an increased ris kofinjury or even
fata linjury.
Move the front-passenger sea tasfar back as
possible .Alway smake sure that the shoulder
bel tstra pisc orrectly routed from the vehicle
bel tsashg uide to the shoulder bel tguide on
the chil drestraint system. The shoulder belt
stra pmustb erouted forward sand down-
wards from the vehicle bel tsashg uide .Ifnec-
essary ,adjust the vehicle bel tsashg uide and
the front-passenger sea taccordingly .Always
observe the information abou tsuitabl eposi-
tioning of the chil drestraint system in this
Owner's Manua laswellast he chil drestraint
system manufacturer' sinstallation instruc-
tions.
i Ensur
ethat your vehicle is equipped with
automatic chil dseatrecognition for the
front-passenger sea t(Ypage 67). If this
is not the case, always install achild
restraint system on asuitabl erears eat
(Y page 70). 66
Childre
ninthe vehicleSafety

Weight cate-
gory Manufac-
turer Type Approval
number
(E1 ...) Order num-
ber
(A 000 ...) 3 Automatic
chil
dseat rec-
ognition 4y
ears and
12 years 04 301198 970 19 00 No
04 301198 970 22 00 Yes
Recommended "Universal"/"Semi-Universal" category ISOFIXc
hildr estraint sys-
tems Weight
category Size cate-
gory Manufac-
turer Type Approval
number
(E1 ...) Order
number 3 Automatic
chil
dseat
recognition Category
0+:
up to
13 kg
E Britax
Römer BABY
SAFE plus 03
301146
04
301146 B6
686
8224 No
Category
I:
9kgupto
18 kg
B1 Britax
Römer DUO plus 03
301133
04
301133 A0
00 970
11 00 Yes
03
301133
04
301133 A0
00 970
16 00 No
04
301133 A0
00 970
21 00 Yes
Child-proof locks
Important safety notes G
WARNING
If children are travelling in the vehicle, they
could:
R open doors, thus endangering other people
or road users
R exit the vehicl eand be caught by oncoming
traffic
R operate vehicl eequipment and become
trapped, for example There is
arisk of an accident and injury.
Always activate the child-proof locks and
override feature if children are travelling in the vehicle. When leaving the vehicle, alwayst ake
the key with you and lock the vehicle. Never
leave children unattende dinthe vehicle.
Overrid efeature for:
R the rear doors (Y page76)
R the rear side windows (Y page76)
3 Colour code 9H95. Children in the vehicle
75Safety Z

G
WARNING
If you leave children unattended in the vehi-
cle, they may be abletos et the vehiclein
motion if, for example, they:
R release the parking brake
R shift the automatic transmission out of park
position Por shift manua ltransmission into
neutral
R start the engine
In addition, they may operate vehicl eequip-
ment and become trapped. There is arisk of
an accident and injury.
When leaving the vehicle, alwayst ake the key
with you and lock the vehicle. Never leave
children unattended in the vehicle. G
WARNING
If persons (particularly children) are exposed
to heatorc old foraprolonged period, there is
ar isk of serious or even fatal injuries. Never
leave persons (particularly children) unatten-
ded in the vehicle. G
WARNING
If the child restraint system is placed in direct sunlight, the parts coul dbecome very hot.
Childre ncouldbes uffer burns by touching
these parts, in particular on the metallic parts
of the child restraint system. There is arisk of
injury.
If you and yourc hild leave the vehicle, always
make sure that the child restraint system is
not in direct sunlight. Cove ritwithablanket,
for example. If the child restraint system has
been expose dtodirect sunlight, leave it to
cool downb efore securing the child in it.
Never leave children unattended in the vehi-
cle. Child-proof locks for the rear doors Rea
rdoor child-proof lock (example: Saloon)
You secure each door individually with the
child-proof locks on the rear doors. Adoor
secure dwithachild-proof lock cannot be
opened from insid ethe vehicle. When the
vehicl eisunlocked ,the door can be opened
from the outside.
X To activate: press the child-proof lock
leve rupint he direction of arrow :.
X Make sure that the child-proof locks are
working properly.
X To deactivate: press the child-proof lock
leve rdow nint he direction of arrow ;.
Override feature for the rear side win-
dows X
To enable/disable: press button;.
If indicator lamp :is lit, operation of the
rear side windows is disabled. Operation is
only possible using the switches in the driv- er's door. If indicator lamp :is off, oper- 76
Children in the vehicleSafety

Interior motion sensor
Function When th
einterio rmotion sensor is primed, a
visual and audible alarm is triggered if move-
men tisd etecte dinthevehicl einterior. This
can occur if someon ereaches int othe vehicle
interior, for example.
Priming X
Mak esure that:
R thes ide windows are closed
R thes liding sunroof/panoram asliding
sunroo fisclosed
R there are no objects ,e.g.m ascots ,hang-
ing on th erear-view mirror or on th egrab
handles on th erooftrim
This will preven tfals ea larms.
X Mak esure that:
R thed oor sare closed
R thes liding sunroof/panoram asliding
sunroo fisclosed
R theb oot lid/tailgat eisclosed
Only then is th einterio rmotion sensor
primed.
X Loc kthe vehicl ewitht he keyorK EYLESS-
GO.
The interio rmotion sensor is primed after
approximately 30 seconds.
Deactivating X
Unloc kthe vehicl ewitht he keyorK EY-
LESS-GO.
or X Inser tthe keyintot he ignition lock.
The interio rmotion sensor is automatically
switched off.
X Unloc kthe vehicl ewitht he key.
or
X Inser tthe keyintot he ignition lock.
The interio rmotion sensor is automatically
switched off. X
Unloc kthe vehicl ewithK EYLESS-GO or
wit hthe key.
or X Inser tthe keyintot he ignition lock.
The interio rmotion sensor is automatically
switched off.
Deactivating X
Remove th ekeyfrom th eignition lock.
X Press button :.
Indicato rlamp ;flashes several times in
rapid succession.
X Loc kthe vehicl ewitht he keyorK EYLESS-
GO.
The interio rmotion sensor is deactivated.
The interio rmotion sensor remains deactiva-
te du ntil:
R thev ehicl eisu nlocked again and
R ad oor is opened and closed again and
R thev ehicl eislocke dagain
To preven tafalsea larm ,deactivat ethe inte-
rio rm otion sensor if you loc kyour vehicle
and:
R people or animals remain in th evehicle
R thes liding sunroof/panoram asliding sun-
roo fremain sopen
R thes ide windows remain open
i UK only:
your vehicl eisequipped wit ha
double-lock function .The door scanno tbe
opened from th einside if th evehicl ehas
been locke dwitht he keyorw ithK EYLESS-
GO (Y page 101). Deactivat ethe interior
motion sensor before you loc kthe vehicle. Protection against theft
91Safety Z

Useful information
..............................94
Key ........................................................ 94
Doors .................................................. 100
Boot/luggage compartment ............103
Side windows .................................... 110
Sliding sunroof .................................. 114 93Opening and closing