Page 57 of 506

Activating/deactivating the child saf ety lock
fo r the rear side windo ws
#Toactivate/deacti vate:press button 2.
Opening/closing the side window in there ar
passenger compartment is possible:
RWi th indicator lamp 1lit: via the switch
on the driver's door.
RWi th indicator lamp 1off: via the switch
on the cor responding rear door or driv‐
er's door.
% Vehicles with folding bench seat: The
switch for opening theta ilgate which is loca‐
te d on theright-hand wheel ar chwhen
vie we d in the direction of tr avel is also
secured.
Pe ts in the vehicle
&
WARNING Risk of accident and injury
due toanimals left unsecured or unat‐
te nded in theve hicle
If yo u lea veanimals in theve hicle unatten‐
ded or unsecured, they could possib lypress
down buttons or switches.
Thereby an animal may:
Ractivate vehicle equipment and become
trapped, forex ample
Rswitch systems on or off and endanger
ot her road users
Uns ecured animals may be throw n around in
th eve hicle in theeve nt of an accident or
sudden steering and braking maneuver and
injure vehicle occupants in the process.
#Ne ver lea veanimals in theve hicle unat‐
te nded.
#Alw ays cor rectly secure animals while
driving, forex ample using a suitable
animal car rier.
Occupant saf ety 55
Page 65 of 506
ProblemPossible causes/consequences and MSolutions
RThe SmartKeyis malfunctioning.
#Activate KEYLESS-GO .
#Check the battery using the battery check lamp and replace if necessary .
#Use the mechanical keyto lock or unlock theve hicle .
#Ha ve theve hicle and SmartK eychecked at a qualified specialist workshop.
Switching the automatic locking feature
on/off
The vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace.
#To deactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds.
#To activate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds.
Danger of being loc ked out when the function is
activated:
RIf th eve hicle is being tow star ted/pushed.
ROn a roller dynamome ter.
Opening and closing 63
Page 84 of 506

Notes onthe cor rect driver's seat position
&
WARNING Risk of injury from adjusting
th eve hicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
Rifyo u adjust the driver's seat, the head
re stra int, thesteering wheel or the mir ror
while theve hicle is in motion
Rifyo ufa sten your seat belt while theve hi‐
cle is in motion
#Before starting the engine: adjust the
driver's seat, the head restra int, the
st eering wheel or the mir ror and fasten
yo ur seat belt.
Obser vethefo llowing when adjusting steering
wheel 1, seat belt 2and driver's seat 3:
RYou are as faraw ay from the driver's airbag
as possible.
RYo u are sitting in a no rmal upright position.
RYour thighs are slightly suppor tedby the seat
cushion.
RYo ur legs are not entirely stre tched and you
can dep ress the pedals proper ly.
RThe back of your head is support ed ateye
le ve lby the center of the head restra int.
RYo u can hold thesteering wheel with your
arms slightly bent.
RYo u can mo veyour legs freel y.
RYou can see all the displa ysinthe instrument
clus ter clearl y.
RYou should ha vea good overview of traf fic
conditions.
RThe seat belt is pulled snug lyagainst the
body and must be routed across the center
of your shoulder and across your hips in the
pelvic area.
82 Seats and stowing
Page 85 of 506

Seats
Adjusting the front seat manually and elec‐
trically (without Seat Comfort Package)
&
WARNING Risk of becoming trapped if
th e seats are adjus tedby children
Children could become trapped if they adjust
th e seats, particularly when unattended.
#When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
#Ne ver lea vechildren unatte nded inthe
ve hicle.
The seats can be adjus ted when the ignition is
switched off.
& WARNING Risk of becoming trapped
when adjusting the seats
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail.
#Make sure when adjusting a seat that
no one has any body parts in the sweep
of the seat.
Obser vethe saf etyno tes on "Air bags" and "Chil‐
dren in theve hicle".
&
WARNING Risk of accident due tothe
driver's seat not being engaged
If th e driver's seat is not engaged, it could
mo veunexpectedly while theve hicle is in
motion.
This could cause youto lose control of the
ve hicle.
#Alw ays make sure that the driver's seat
is engaged before starting theve hicle.
&
WARNING Risk of injury from adjusting
th eve hicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
Rifyo u adjust the driver's seat, the head
re stra int, thesteering wheel or the mir ror
while theve hicle is in motion
Rifyo ufa sten your seat belt while theve hi‐
cle is in motion
#Before starting the engine: adjust the
driver's seat, the head restra int, the
st eering wheel or the mir ror and fasten
yo ur seat belt.
&
WARNING Risk of becoming trapped if
th e seat height is adjus ted carelessly
If yo u adjust the seat height carelessly, you
or other vehicle occupants could be trapped
and thereby injured.
Seats and stowing 83
Page 89 of 506
#Toselect the front passenger seat: press
button 1.
When the indicator lamp lights up, the front
passenger seat is selected.
#Ad just the front passenger seat using the
buttons in the door control panel on the driv‐
er's side.
Ad justing the 4-w aylumbar support
1Toraise
2To sof ten
3To lowe r
4To harden
#Using buttons 1to4, adjust the conto ur
of the backrest individually tosuit your bac k.
Headrestra ints
Ad justing the front seat head restra ints man‐
ually
& WARNING Risk of injury from adjusting
th eve hicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
Rifyo u adjust the driver's seat, the head
re stra int, thesteering wheel or the mir ror
while theve hicle is in motion
Rifyo ufa sten your seat belt while theve hi‐
cle is in motion
#Before starting the engine: adjust the
driver's seat, the head restra int, the
st eering wheel or the mir ror and fasten
yo ur seat belt.
Seats and stowing 87
Page 96 of 506

#Toswitch on/increase the le vel:press but‐
to n1 repeatedly until the desired ventila‐
tion le vel is set.
Depending on theve ntilation le vel, up to
th re e indicator lamps light up.
#To switch off/reduce the le vel:press but‐
to n1 repeatedly until the desired ventila‐
tion le vel is set.
If all indicator lamps are off, the seat ventila‐
tion is switched off.
Fo lding bench seat in the cargo compa rt‐
ment
Note s onthefo lding bench seat
&
WARNING Risk of injury whenthe seat
backrest is not upright and loc ked in
position
If th e seat backrests of there ar bench seat
are not loc ked in the upright position, the
seat backrest of thefo lding bench seat may
fo ld down while driving.
In this case, the seat belts may not per form
th eir intended pr otective function.
#Make sure that the seat backrests of
th ere ar bench seat are loc ked in the
upright position.
Obser vethe no tes on "Seat belts" (→page 37),
"Head restra ints" (→page 87) and "Children in
th eve hicle" (→page 46).
The folding bench seat is only appr ovedfo r use
with child seats designed forch ildren up tosix
ye ars old . Info rmation on suitable child restra int
sy stems on thefo lding bench seat can be
obtained at any authorized Mercedes-Benz Cen‐
te r.
The folding bench seat may only be used when
th e combined cargo co ver and net is ins talled.
The tailgate can be opened from thefo lding
bench seat. The switch is located on the wheel
ar ch on theright-hand side when vie wed in the
direction of tr avel.
Fo lding out the folding bench seat
Requ irements
RThe seat backrests of there ar bench seat are
loc ked in the upright position.
RThe handle forth e combined cargo co ver and
net has been mo ved up. The upper part of
th e plate has been folded down toimpr ove
th e view tothere ar.
94
Seats and stowing
Page 100 of 506

Steering wheel
Adjusting the steering wheel manually
&
WARNING Risk of injury from adjusting
th eve hicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
Rifyo u adjust the driver's seat, the head
re stra int, thesteering wheel or the mir ror
while theve hicle is in motion
Rifyo ufa sten your seat belt while theve hi‐
cle is in motion
#Before starting the engine: adjust the
driver's seat, the head restra int, the
st eering wheel or the mir ror and fasten
yo ur seat belt.
&
WARNING Risk of entrapment forch il‐
dren when adjusting thesteering wheel
Children could injure themselves if they
adjust thesteering wheel.
#Ne ver lea vechildren unatte nded inthe
ve hicle.
#When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
#To unlock thest eering column: push
re lease le ver1 down comple tely.
#Ad just height 2and di stance tosteering
wheel 3.
#Tolock thest eering column: pushrelease
le ve r1 up as far as it will go.
#Check and make sure that thesteering col‐
umn is loc kedby moving thesteering wheel.
Ad justing the steering wheel electrically
The steering wheel can be adjus ted when the
ignition is switched off.
98 Seats and stowing
Page 101 of 506
1Adjusts the dis tance tothesteering wheel
2Ad justs the height
#Sa ve the settings with the memory function
(→page 100).
Switching thest eering wheel heater on/off
1Swit ches on
2Switches off
3Indicator lamp
Easy entry and exitfeature
How the easy entry and exitfeature operates
&
WARNING Risk of accident when driving
off while adjusting the easy exitfeature
‑ If you dr ive off while the easy ent ryand exit
fe ature is making adjustments, you could
lose cont rol of theve hicle.
#Alw ayswa it until the adjustment proc‐
ess is comple tebefore driving off.
&
WARNING Risk of entrapment when
adjusting the easy ent ryand exitfeature
‑
‑ When the easy ent ryand exitfeature
adjusts thesteering wheel, you and other
ve hicle occupants – particular lych ildren –
could become trapped.
#‑ While the easy ent ryand exitfeature
is making adjustments, make sure that
no one has any body parts in the sweep
of thesteering wheel.
Seats and stowing 99