
Anti-theftprotection
Immobilizer
The immobilizer pr events your vehicle from being
st ar tedw ithout thec orrect key.
The immobilizer is automaticall yactivated when
th ei gnition is switched of fand deactivated when
th ei gnition is switched on.
When leaving thev ehicle, alw ayst aket he key
wit hyou and loc kthe vehicle. An yone can start
th ee ngine if avalid keyh as been lef tins ide the
ve hicle.
% Inthee vent that thee ngine cannot bestar‐
te d( yetthe star terb atter yisc harged), the
sy stem is no toperational. Contact an
authorized Mercedes-Benz Center or call
1-800-FO R-MERCedes (in theU SA)or
1-800-387-0 100( in Canada).
ATA (anti-thef talarm system)
Fu nction of theA TAsystem (anti-thef talarm
sy stem)
If th eA TAsystem is armed, avisual and audible
alar mist riggered in thef ollowing situations:
RAd oor is opened
RThe trunk lid is opened
RThe engin ehood is opened
The ATA system is armed automaticall yafter
appr oximatel y10seconds:
RAfterl ocking thev ehicle wit hthe SmartK ey.
RAf terl ocking thev ehicle using KEYLESS-GO.
When theA TAsystem is armed, indicator
lamp :flashes.
The ATAs ystem is automaticall ydeactivated:
RAfteru nlocking thev ehicle wit hthe Smart‐
Ke y.
RAfterp ressing thes tart/s topb utton wit hthe
Sma rtKe yinsid ethe vehicle.
Opening and closing 79

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

#SelectDynamic Seat.
#Select setting: Off,Leve l1orLeve l2.
#Sa ve thes ettings using them emor yfunction
(→pag e93).
Overvie wofmassageand workout prog rams
The following massag eprograms can be selected:
Massag eprogram fort he fron tseats Function
Ho tRelaxing Massag efor bac kR elaxing massageprogram startin gint he pelvic area. Warm pressur epoint scan be felt, full bac kmassage,
st re tching thep elvic area. Ending wit hgentle stroking motions.
Ho tRelaxing Massag efor shoulder sRelaxing massag eprogram startin gint he shoulder area. Warm pressur epoint scan be felt, full twin-w ave
bac km assage, stre tching thes houlder area. Ending wit hgentle stroking motions.
Ac tivating Massa ge Activating ba ckmassa gewithincreasingt win-wavesand then soo thing mo vements.
Classic Massa ge Massagewithi ncreasing twin-w avesand soo thing mo vements.
Wa veMassag eR elaxing and activating massageprogram, startin gony our bac kand continuing inthec ushion. Subse‐
qu ent stro king motions across thee ntir espinal column.
Mobilizing Massag eM obilization ofthes pinal column and upper body using pressur epoint sint he lumbar and bac k.Youc an
inc rease them obilization ef fect by relaxin gintot he pressur epoints. This process helps toimpr oveyour
posture.
88 Seats and stowing

#Toswitc hon/increase thel evel: press but‐
to n1 repeatedly until thed esired ventila‐
tio nleve liss et.
Dependin gontheventilation le vel, up to
th re ei ndicator lamps light up.
#To switc hoff/reduce thel evel: press but‐
to n1 repeatedly until all thei ndicator
lamps go out.
Ste ering wheel
Adjustin gthe steering wheel manually
&
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 entrapment forc hil‐
dren when adjusting thes teering wheel
Children could injur ethemselves if they
adjus tthe steering wheel.
#Ne verlea ve children unatte ndedint he
ve hicle.
#When leaving thev ehicle, alw ayst ake
th ek eywit hyou and loc kthe vehicle.
#To unlo ckthes teering column: push release
le ve r1 down comple tely.
#Ad jus theight 2and di stanc etos teering
wheel 3.
#Toloc kthe steering column: push release
le ve r1 up as farasitw illg o.
#Chec kand ensur ethat thes teering column is
loc kedbym oving thes teering wheel.
Seats and stowing 91

thro wn around ;this could result in vehicle
occupants being hit.
This also applies to:
RLu ggag eorl oads
RSeats that ha vebeen remo veda nd are
transpor tedint hevehicle as an excep‐
tion.
Ther eisar isk of inju ry,p articularly in the
ev ent of sudden braking or asudden change
in direction.
#Alw ayss towo bject sins uchaw aythat
th ey canno tbethrow na round.
#Befor ethe journe y,secur eobjects, lug‐
ga ge or loads agains tslipping or tipping
ove r.
#Ifas eat has been remo ved, preferably
stow thes eat outside of thev ehicle.
&
WARNING Risk of injury from incorrectly
stowe dobjects
If objects in thev ehicle interior ar estowe d
incor rectly ,the yc an slide or be throw n
arounda nd hitvehicle occupants. In addi‐
tion, cup holders, open stowages paces and
mobile phoneb rack etsc ann otalw aysr etain
all object stheyc ontain.
The reisar isk of inju ry,p articularly in the
ev ent of sudden braking or asudden change
in direction.
#Alw ayss towo bject ssot hatthey can‐
no tb ethrow na roundins uchs itua‐
tions.
#Alw aysm akes uret hat objectsdon ot
pr otru de from stowages paces, luggage
nets or stowagen ets.
#Close thel oc kable stow ages paces
befor estartin gaj ourney .
#Alw ayss towa nd secur eheavy ,hard,
pointe d, sharp-edged, fragile or bulky
objects in thet runk.
&
WARNING Risk of burn sfromt ailpipes
and tailpipe trim
The tailpipe and tailpipe trim can become
ve ry hot. If youc om eintoc ontact wit hthese
parts of thev ehicle, youc ould bur nyourself.
#Alw aysbep articular lycareful around
th et ailpipe and thet ailpipe trim.
#Allo wthe vehicle parts tocool down
befor eyou touc ht hem.
The handling characteristic sofyourvehicle are
dependent on thed istribution of thel oad within
th ev ehicle. Yous hould bear thef ollowing in
mind when loadin gthe vehicle:
RNe vere xceed them aximum permissible
gross mass or thep ermissible axle loads for
th ev ehicle (including occupants) .The values
ar es pecified on thev ehicle identification
plat eont hevehicle's B-pillar.
RThe load mus tnotprotru de abo vetheu pper
edg eoft he seat backrests.
RAlwaysp lace thel oad behind unoccupied
seats if possible.
Seats and stowing 95