
Symbolfori ns tal ling aLATCH -type (ISOFIX)
ch ild restra int sy stem Installing
LATC H-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.
Befor eevery trip, mak esuret hat theL ATCH -type
(ISOFIX )child restra int sy stem is engaged cor‐
re ctly in bo thLATC H-type (ISOFIX )mounting
brac kets.
Occupant safe ty49

1LATC H-type (ISOFIX )mounting brac kets
* NO
TEDama getothes eat belt fort he
cente rseat
Whe ninstalling achild restra int sy stem, the
seat belt fort he center seat could be dam‐
aged.
#Mak esuret hat thes eat belt is no ttrap‐
ped.
#Re mo veeac hcover forL ATCH -type (ISOFIX)
mounting brac kets 1.
#Attach theL ATCH -type (ISOFIX )child
re stra int sy stem toboth LATC H-type (ISOFIX)
mounting brac kets 1.
#Afterr emoving thec hild seat, replace each
co verfor LATC H-type (ISOFIX )mounting
brac kets 1.
Secu ring TopT ether
&
WARNING Risk of injury ifth es eat
backrests of ther ear seats ar enot
loc keda fter ins talling theT op Tether
belts
If th er ear seat backrests ar enotloc ked, they
could fold forw ards in thee vent of an acci‐
dent, heavy braking or sudden changes of
direction.
As aresult, child restra int sy stems cannot
per form their intended pr otectiv efunction.
Re ar seat backrests that ar enotloc kedc an
also cause additional injuries, e.g. in the
ev ent of an accident. This poses an
increased risk of injur yorevenf atal injur y.
#Alwaysl oc kt he rear seat backrests
af te ri ns talling theT op Tether belts.
#Obser vethel oc kv erification ind icator.
If th es eat backres tisnotengaged and loc ked,
th is will be shown in them ultifunction displa yin
th ei nstrument clus ter.
The risk of injur ycan be reduced byTopT ether
as TopT ether pr ovides an additional connection
between thec hild restra int sy stem secured with
LA TC H-type (ISOFIX )and thev ehicle.
The child restra int sy stem mus tbeequipped
wit haT opTether belt.
50
Occupant saf ety

#If necessary,mo vehead restra int 1
upwards (→pag e87).
#Fold up co ver2 ofTopT ether anchorage
3.
#Ins tallth eL ATCH -type (ISOFIX )child restra int
sy stem wit hTop Tether.A lway sc omply with
th ec hild restra int sy stem manufacturer's
ins tallation instructions when doing so.
#Ro uteT op Tether belt 5under head
re stra int 1 between thet wo head restra int
bars.
#Hook TopT ether hook 4ofTopT ether belt
5 without twisting int oTop Tether anchor‐
age 3.
#Tension TopT ether belt 5.Alway sc omply
wit hthe child restra int sy stem manufactur‐
er's ins tallation instructions when doing so.
#Fo ld down co ver2 ofTopT ether anchorage
3.
#If necessar y,mo vehead restra int 1 down‐
wa rds(→pag e87). Mak esuret hat youd o
notinter fere wit hthe cor rect routin gofT op
Te ther belt 5.
Childrestra int sy stems on thef ront
passenger seat
Note sonc hildrestra int sy stems on thef ront
passenger seat
Ac cident statistic sshowt hat children secured in
th er ear seats ar esafer than children secured in
front seats .For this reason,M ercedes-Benz
stro ngly advises that youi nstallac hild restra int
sy stem on arear seat.
If it is absolutel ynecessar ytoinstallac hild
re stra int sy stem on thef ront passenger seat,
alw ayso bser vethei nformation on thea utomatic
front passenger air bag shutof f(
→page39).
By doing this, youc an avo idrisk sc aused by:
RAc hild restra int sy stem that is no tdetected
by thea utomatic front passenger air bag
shutoff.
RThe unintentionally deactivated front
passenger air bag.
Occupant saf ety 51

RIncorrect positioning of thec hild restra int
sy stem.
Fo rw ard-facin gand rear wa rd-facing child
re stra int sy stems on thef ront passenger
seat
When using arear ward-f acin gchild restra int sys‐
te mont he front passenger seat, thef ront
passenger airbag mus talway sbed isabled. This
is only thec ase if theP ASSENGER AIR BAGO FF
indicator lam pislit continuousl y(
→page41).
When usingac hildrestra int sy stem on thef ront
passenger seat, it is essential toobser vethef ol‐
lowing:
RMo vethef ront passenger seat as farb acka s
possible.
RRe tract thes eat cushion lengt hasfar as pos‐
sible.
RThee ntirebase of thec hild restra int sy stem
mus talway sr estont he sitting sur face of the
front passenger seat.
RThe backres toftheforw ard-facin gchild
re stra int sy stem mus tlie as flat as possible
agains tthe backres tofthe front passenger
seat. The child restra int sy stem mus tnot to
uc ht he roof or be put under stra in by the
head restra ints.
RAd jus tthe angle of thes eat backres tand the
head restra int position according ly.
RMo vethes eat cushion inclination tothe
highest, mos tvertical position.
RAlw aysm akes uret hat thes houlder belt
st ra pisc orrectl yr outed from thes eat belt
outle tofthevehicle tothes houlder belt
guide on thec
hild restra in
t system. The
shoulder belt stra pm ustber outed forw ards
and down wardsf romt he seat belt outlet.
RIf necessar y,adjus tthe seat belt outle tand
th ef ront passenger seat according ly.
RNe verp lace objects under or behind the
ch ild restra int sy stem, e.g. acushion.
Alw aysc omply wit hthe manufacturer's ins talla‐
tion and operatin ginstructions fort he child
re stra int sy stem used.
Child saf etyl oc ks
Ac tivating/deactivatin gthe child saf etyl ock
fo rt he rear doors
&
WARNING Risk of accident and injury
due tochildren lef tunat tende dint he
ve hicle
If yo ul eave children unatte ndedint hevehi‐
cle, they ma ybea bletos etthev ehicle in
motion, fore xamp leby:
RRe leasing thep arking brake.
RShifting thea utomatic transmission out
of par kposition jor shifting them anual
transmission int oneutral.
RStartin gthe engine.
In addition, they ma yoperat evehicle equip‐
ment.
#Ne verlea ve children and animals unat‐
te nde dint hevehicle.
#When leaving thev ehicle, alw ayst ake
th eS martK eywit hyou and loc kthe
ve hicle.
52
Occupant saf ety

Correct driver' sseat position
&
WARNING Risk of injury from adjusting
th ev ehicle settings while thev ehicle is in
motion
Yo uc ouldlose cont roloft hevehicle in the
fo llowing situations:
Rifyo ua djus tthe driver's seat, theh ead
re stra int ,the steering wheel or them irro r
while thev ehicle is in motion
Rifyo uf asteny our seat belt whil ethe vehi‐
cle is in motion
#Befor estarti ngthee ngine: adjus tthe
driver's seat, theh ead restra int ,the
st eering wheel or them irro ra nd fasten
yo ur seat belt.
Obser vethef ollowing when adjusting steering
wheel 1,seat belt 2and driver's seat 3:
RYoua reas fara wa yfromt he driver's airbag
as possible.
RYo ua resittin ginan ormalupright position.
RYour thighs ar eslightly suppor tedbyt he seat
cushion.
RYo ur legs ar enotentirel ystret ch ed and you
can dep ress thep edals proper ly.
RThe bac kofyour head is suppor tedate ye
le ve lbyt he center of theh ead restra int.
RYo uc an hold thes teering wheel wit hyour
arms slig htlybent.
RYouc an mo veyour legs freel y.
RYouc an see all thed ispla ysinthei nstrument
clus terc lea rly.
RYo us hould ha veag ood overviewoft raffic
conditions.
RThe seatb elti sp ulle dsnug lyagains tthe
body and mus tberouted across thec enter
of your shoulder and across your hips in the
pelvic area.
Seats and stowing 81

Seats
Adjustin gthe fron tseatm anuall yand elec‐
tricall y(withou tSeatC om fort Pa ckage)
&
WARNING Risk of becoming trapped if
th es eats ar eadjus tedbyc hildren
Childre ncould becom etrapped if they adjust
th es eats, particularly when unattended.
#When leaving thev ehicle, alw ayst ake
th eS martK eywit hyou and loc kthe
ve hicle.
#Ne verlea ve children unatte ndedint he
ve hicle.
The seats can be adjus tedw hen thei gnition is
switched off.
& WARNING Risk of becoming trapped
whe nadjusting thes eats
When youa djus tas eat,y ou or other vehicle
occupants could become trapped, e.g. on the
seat guide rail.
#Mak esurew hen adjustin gaseatthat
no oneh as anybody parts in thes weep
of thes eat.
Obser vethes afet yn otes on "Airbags "and "Chil‐
dren in thev ehicle".
&
WARNING Risk of accident duetot he
driver's seat no tbeing engaged
If th ed rive r's seat is no tengaged, it could
mo veunexpectedl ywhile thev ehicle is in
motion.
This could cause youtol ose control of the
ve hicle.
#Alw aysm akes uret hat thed rive r's seat
is engaged befor estartin gt he vehicle.
&
WARNING Risk of injury from adjusting
th ev ehicle settings while thev ehicle is in
motion
Yo uc ouldlose cont roloft hevehicle in the
fo llowing situations:
Rifyo ua djus tthe driver's seat, theh ead
re stra int ,the steering wheel or them irro r
while thev ehicle is in motion
Rifyo uf asteny our seat belt whil ethe vehi‐
cle is in motion
#Befor estarti ngthee ngine: adjus tthe
driver's seat, theh ead restra int ,the
st eering wheel or them irro ra nd fasten
yo ur seat belt.
&
WARNING Risk of becoming trapped if
th es eat height is adjus tedc arelessly
If yo ua djus tthe seat height carelessly ,you
or other vehicle occupants could be trapped
and thereb yinjured.
82
Seats and stowing

Childreninparticular could acc identally
press thee lectrical seat adjustmen tbuttons
and become trapped.
#While moving thes eats, mak esuret hat
hands or other body parts do no tget
under thel eve rassembly of thes eat
adjustmen tsystem.
&
WARNING Risk of injury duetohead
re stra int sw hicha renotins talled or are
adjus tedi nco rrectly
If head restra int sa renotins talled or are
adjus tedi ncor rectly ,the head restra int sc an‐
no tp rovide pr otection as intended.
Ther eisani ncreased risk of injur yinthe
head and nec karea, e.g. in thee vent of an
accident or when braking.
#Alw aysd rive wit hthe head restra ints
ins talled.
#Befor edrivingo ff,m akes uref or every
ve hicle occupant that thec enter of the
head restra int supports theb ackoft he
head at about eyel eve l.
Do no texchang ethe head restra int soft he front
and rear seats. Otherwise, youc anno tadjus tthe
height and angle of theh ead restra int sc orrectl y.
Ad jus tthe head restra int fore -and-af tposition so
th at it is as close as possible totheb ackofy our
head.
& WARNING Risk of injury duetoan incor‐
re ct seatp osition
The seatb eltd oesn otoffert he intended
le ve lofp rotection if youh ave notm ove dthe
seat backres ttoanalmostvertical position.
When braking or in thee vent of an accident,
yo uc ould slide underneat hthe seat belt and
sus tain abdomen or nec kinjuries, fore xam‐
ple. This posesani ncreased risk of injur yor
ev en fata linjur y.
#Adjus tthe seat cor rectly befor estarting
th ej ourne y.
#Alwayse nsur ethat thes eat backres tis
in an almos tvertical position and that
th es houlder section of your seat belt is
ro uted across thec enter of your shoul‐
der.
* NO
TEDama getothes eats when moving
th es eats back
The seats ma ybedamaged byobject swhen
moving thes eats bac k.
#When moving thes eats bac k,make
sur ethat ther ea reno objects in the
fo ot we ll or under or behindt he seats.
Seats andstowing 83

1Headrestraint height
2Seat backres tinclination
3Seat height
4Seat cushio nlength
5Seat cushio ninclination
6Seat fore -and-af tposition
#Save thes ettings wit hthe memor yfunction
(→pag e93).
Adjustin gthe 4-w aylumbar support
1Toraise
2To sof ten
3To lowe r
4To harden
#Using buttons 1to4,a djustthe contour
of theb ackres tindividuall ytosuityour bac k.
Headrestra ints
Ad justin gthe fron tseath eadr estraints man‐
ually
& WARNING Risk of injury from adjusting
th ev ehicle settings while thev ehicle is in
motion
Yo uc ouldlose cont roloft hevehicle in the
fo llowing situations:
Rifyo ua djus tthe driver's seat, theh ead
re stra int ,the steering wheel or them irro r
while thev ehicle is in motion
Rifyo uf asteny our seat belt whil ethe vehi‐
cle is in motion
#Befor estarti ngthee ngine: adjus tthe
driver's seat, theh ead restra int ,the
st eering wheel or them irro ra nd fasten
yo ur seat belt.
Seats and stowing 85