Page 89 of 538
Indicat
orlam p1 flashes whentheAT Asy stem
is armed.
The ATAsy stem isdeactiv ated aut omaticall yin
th efo llo wing situat ions:
R afte runloc kingtheve hicle withth eSmar tKey
R afte rpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestow agecom partment
(0013 page15 0) R
afte runloc kingtheve hicle using KEYLES S-
GO
0009 When theMer cedes‑ Benzemergency call
sy stem isactiv eand thealar mstay son for
mor eth an 30 sec onds, ames sageis aut o‐
mat icall ysen tto theCus tomer Assis tance
Ce nter (0013 page 327).
De activ ating theATA 0007
Press the0036, 0037or008B buttononthe
Smar tKey .
or 0007
Press thest ar t/ stop butt onwithth eSmar t‐
Ke yin thestow agecom partment
(0013 page15 0)
Dea ctivat ingth eala rm using KEYLESS-GO : 0007
Grasp theoutside doorhandle withth e
Smar tKey outside theve hicle. Opening
andclosing 87
Page 90 of 538

No
teson thecor rect driver' sseat position 000A
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
R ifyo uadj ustth edr iver's seat, thehead
re stra int ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion 0007
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand fasten
yo ur seat belt. En
sur eth efo llo wing when adjustingth esteer ing
wheel 1,seat belt2and driver's seat 3:
R youar eas faraw ay from thedr iver's airbag
as possible
R youar esit tin gin an upr ight position
R your thighs areslight lysuppor tedby theseat
cushion R
your legs areno tfull yex tende dand youcan
depr essthepedals proper ly
R thebac kof your head issuppo rted ateye
le ve lby thecent erofthehead restra int
R youcan hold thesteer ing wheel withyo ur
ar ms sligh tly ben t
R youcan moveyour legs freel y
R youcan seeallthedispla yson theins tru‐
ment clusterclea rly
R youha ve agood overview of thetraf fic con‐
di tions
R your seat beltispulled snug lyag ains tyo ur
body andisrouted acr oss thecent erofyour
sho ulder andacross your hips inthepelvic
ar ea 88
Seats andstow ing
Page 91 of 538

Seats
Ad
jus tingthe fron tse at mec hanicall yand
el ec tric all y(w ithou tSe at Co mf ortPa ckag e) 000A
WARNIN GRisk ofbeco ming trap ped if
th eseats areadjus tedby childr en
Childr encould becom etrapped ifth ey adjus t
th eseats, particular lywhen unattended. 0007
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. 0007
Neverlea vechildr enunat tende din the
ve hicle. The
seats canbeadjus tedwhen theignition is
switc hedoff. 000A
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseats
When youadj usta seat ,yo uor other vehicle
occupants couldbecome trapped, e.g.onthe
seat guide rail. 0007
When adjustingaseat, makesur eth at
no onehas anybody partsinthesw eep
of theseat. Obser
vethesaf etyno teson "Airbags" and"Chil‐
dr en intheve hicle". 000A
WARNIN GRisk ofacci dent dueto the
dr iver's seat notbeing engaged
If th edr iver's seat isno teng aged, itcould
mo veune xpectedl ywhile theve hicle isin
mo tion.
This could cause youto lose control of the
ve hicle. 0007
Alw aysmak esur eth at thedr iver's seat
is eng aged bef orest ar tin gth eve hicle. 000A
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
R ifyo uadj ustth edr iver's seat, thehead
re stra int ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion 0007
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand fasten
yo ur seat belt. 000A
WARNIN GRisk ofbeco ming trap ped if
th eseat height isadjus tedcar elessl y
If yo uadj ustth eseat height carelessly ,yo u
or other vehicle occupants couldbetrapped
and ther eb yinjur ed. Seats
andstow ing 89
Page 92 of 538

Childr
eninpar ticular could acciden tally
pr ess theelectr icalseat adjus tmentbutt ons
and become trapped. 0007
While moving theseats, makesur eth at
han dsorother body partsdo notget
und ertheleve rasse mbly oftheseat
adjus tmentsy stem. 000A
WARNIN GRisk ofinju rydue tohead
re stra int swhic har eno tins talled orare
adjus tedincor rectl y
If hea dre stra int sar eno tins talled orare
adjus tedincor rectly ,th ehead restra int scan ‐
no tpr ov ide protect ion asintended.
Ther eis an incr eased risk ofinjur yin the
head andneckar ea, e.g. intheeve ntofan
acci dent or wh en braki ng. 0007
Alw aysdr ive wit hth ehead restra int s
ins talled. 0007
Beforedr ivin gof f,mak esur efo rev ery
ve hicle occupant that thecent erofthe
head restra int suppor tsthebac kof the
head atabout eyeleve l. Do
notint erch ang eth ehead restra int sof the
fr ont and rear seat s.Ot her wise, youwill notbe
able toadjus tth eheight andangleof thehead
re stra int scor rectl y.
Ad jus tth ehead restra int fore -and -aftpo sitio nso
th at itis as clo seasposs ibletothebac kof your
head. 000A
WARNIN GRisk ofinju ryor deat hdue to
inc orrect sea tpos ition
The seatbel tdoe sno tof ferth eint ended
le ve lof protect ion ifyo uha ve notmo vedth e
seat backres tto an almos tve rtical posit ion.
When brakin gor intheeve ntofan acci dent,
yo uco uld slide underne athth eseat beltand
sus tain abdomin alor nec kinj uries, forex am‐
ple. 0007
Adjus tth eseat proper lybef orebegin‐
ning your jour ne y. 0007
Alw aysensur eth at theseat backres tis
in an almos tve rtical posit ionand that
th eshoulder sectionofyour seat beltis
ro uted acr oss thecent erofyour sho ul‐
der . 000E
NO
TEDama getotheseats when moving
th eseats back The
seats maybe damag edbyobject swhen
mo ving theseats back. 0007
When moving theseats back,mak e
sur eth at ther ear eno objec tsinthe
fo ot we ll,under orbehin dth eseats. 90
Seats andstow ing
Page 93 of 538
1
Seatba ckrest inc linat ion
2 Seat height
3 Seat fore -and -aftpos ition 0007
Toadjus tth eseat fore -and-af tposi tion:
lif tle ve r3 and slideth eseat intoth e
desir edposition . 0007
Mak esur eth at theseat iseng aged. Ad
jus tingthe fron tse at elec tric all y 1
Headre stra int height
2 Seat backres tinc linat ion
3 Seat height
4 Seat cushio nlengt h
5 Seat cushio ninc linat ion
6 Seat fore -and -aftpos ition 0007
Save these ttings withth ememor yfunc tion
(0013 page10 4). Ad
jus tingthe fron tpass engerse at elec tri‐
ca lly from the driver' sse at Re
quirement s:
R The powe rsupp lyis swi tched on
This function isavailable onlyin vehicles withan
electr icallyadjustable front passeng erseat. Seats
andstow ing 91
Page 94 of 538
Yo
ucan callupthefo llo wing functionsfo rth e
fr ont passeng ersea t:
R Sea tad jus tment
R Sea thea ting
R Sea tve ntil ation
R Mem oryfunc tion 0007
Toselect thefront passeng erseat :pr ess
butt on1.
When theindicat orlam plights up,thefront
passeng erseat isselect ed. 0007
Adjus tth efront passeng erseat using the
butt ons onthedoor control panel onthe
dr iver's side. Ad
jus tingthe 4-waylum bar support 1
Toraise
2 Tosof ten
3 Tolowe r
4 Tohar den 0007
Using buttons 1to4 ,adjus tth econ tour
of thebac kres tindividuall yto suit your bac k. 92
Seats andstow ing
Page 95 of 538

Head
restra ints Ad
jus tingthe fron tse at head restra ints
mec hanica lly 000A
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
R ifyo uadj ustth edr iver's seat, thehead
re stra int ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion 0007
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand fasten
yo ur seat belt. 000A
WARNIN GRisk ofinju rydue tohead
re stra int swhic har eno tins talled orare
adjus tedincor rectl y
If hea dre stra int sar eno tins talled orare
adjus tedincor rectly ,th ehead restra int scan ‐
no tpr ov ide protect ion asintended.
Ther eis an incr eased risk ofinjur yin the
head andneckar ea, e.g. intheeve ntofan
acci dent or wh en braki ng. 0007
Alw aysdr ive wit hth ehead restra int s
ins talled. 0007
Beforedr ivin gof f,mak esur efo rev ery
ve hicle occupant that thecent erofthe
head restra int suppor tsthebac kof the
head atabout eyeleve l. Do
notint erch ang eth ehead restra int sof the
fr ont and rear seat s.Ot her wise, youwill notbe
able toadjus tth eheight andangleof thehead
re stra int scor rectl y.
Ad jus tth ehead restra int fore -and -aftpo sitio nso
th at itis as clo seasposs ibletothebac kof your
head. 0007
Toraise: pullthehead restra int up. 0007
Tolowe r:press release knob 1 inthedir ec‐
tion ofthear row and push thehead restra int
do wn. 0007
Tomo veforw ards: pullth ehead restra int
fo rw ards. 0007
Tomo vebac kwards: press release knob 2
and push thehead restra int bac kwards. Seat
sand stow ing 93
Page 96 of 538
Ad
jus tingthe fron t-se atlux uryhe ad
re stra ints mechanica lly 0007
Toadjus tth eside bolsters of thehead
re stra int :pull orpush right orleft-h and side
bols ter2. 0007
Tomo veforw ards: pullth ehead restra int
fo rw ards. 0007
Tomo vebac kwards: press release knob 1
and push thehead restra int bac kwards.
Lo we ring there ar seat head restra ints from
th efront 0007
Press butt on1. Ad
jus tingthe head restra ints ofthere ar
seats mechanic ally 0007
Toraise: pullthehead restra int up. 0007
Tolowe r:press release knob 1 inthedir ec‐
tion ofthear row and push thehead restra int
do wn. 94
Seatsand stow ing