
Wi
th HANDS-FREE ACCESS you can open, close
or inter rupt boot lid mo vement byper form ing a
kicking mo vement under there ar bumper.
The kicking mo vement triggers the opening or
closing process alternately.
Obser vethe no tes when opening (→ page76 )
and closing (→ page77)th e boot lid.
% Awa rning tone sounds while the boot lid is
opening or closing. &
WARNING Risk of bu rns caused bya hot
ex haust sy stem
The vehicle exhaust sy stem can become very
hot. If you use HANDS-FREE ACCESS, you
could bu rnyourself by touching theex haust
sy stem. #
Alw ays ensure that you on ly ma ke a
kicking mo vement within the de tection
ra nge of the sensors. *
NO
TEDama getotheve hicle caused by
unin tentional lyopening the boot lid: R
when using an automatic car wash
R when using a high pressure cleaner #
Deactivate KEYLESS-GO or make sure
th at theke y located is at least 3 m
aw ay from theve hicle in such situa‐
tions. When making
the kicking mo vement, make sure
th at your feet are firm ly on the ground, other‐
wise you could lose your balance, e.g. on ice.
Re quirements:
R The key is behind theve hicle.
R Stand at least 30 cm away from theve hicle
while per form ing the kicking mo vement.
R Do not come into contact with the bumper
while making the kicking mo vement.
R Do not car ryout the kicking mo vement too
slowl y.
R The kicking mo vement must be towa rdsthe
ve hicle and bac k. 1
Sensor de tection range
If se veral consecutive kicking mo vements are
not successful, waitte n seconds.
Sy stem limitations
The sy stem may be impaired or may not function
if:
R Snow or dirt, e.g. from road salt, co vers the
sensor area.
R The kicking mo vement is made using a pros‐
th etic leg. 80
Opening and closing 

Problem
Possible causes/consequences and M
MSolutions
If th e sliding sunroof is obstructed again and reopens again slightly: #
Repeat the pr evious step.
The sliding sunroof is closed again with increased forc e.
Ve hicles without a panoramic slid‐
ing sunroof: The sliding sunroof does
not operate smoo thly. #
Pull the3 button up repeatedly tothe point of resis tance until the sliding sunroof is fully open. #
Press the3 button for ano ther second. #
Close the sliding sunroof.
Ve hicles with a panoramic sliding
sunroof: The sliding sunroof or the
ro ller sunblind does not opera te
smoo thly. #
Pull and hold the button 3littlebylittle until the sliding sunroof is fully closed. #
Pull and hold the button 3littlebylittle until thero ller sunblind is fully closed. #
Use automatic operation tofully open and then close the sliding sunroof. Anti-theft pr
otection Fu
nction of the immobiliser The immobiliser pr
events your vehicle from
being star ted without the cor rect key.
The immobiliser is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on. ATA
(Anti-Theft Alarm sy stem) Fu
nction of theATA system
If th eATA system is primed, a visual and audible
alarm is triggered in thefo llowing situations:
R When a door is opened
R When the boot lid is opened
R When the bonn etis opened R
When the interior pr otection is triggered
(→ page 93)
R When tow- aw ay protection is triggered
(→ page 92)
The ATA sy stem is primed automatically af ter
appr oximately 10seconds:
R After locking theve hicle with thekey
R After locking theve hicle using KEYLESS-GO Opening and closing
91 

Indicator lamp
1flashes when theAT A sy stem
is activated.
The ATA sy stem is automatically deactivated:
R After unlocking theve hicle with thekey
R After pressing thest art/ stop button with the
ke y in thestow age compartment
(→ page 162) R
After unlocking theve hicle using KEYLESS-
GO
% When the Mercedes‑Benz emer gency call
sy stem is active and the alarm stay s on for
more than 30 seconds, a message is auto‐
matically sent tothe Cus tomer Assis tance
Centre (→ page 291).
Deactivating theATA #
Press the%, &orp button on the
key.
or #
Press thest art/ stop button with theke y in
th estow age compartment (→ page162)
Deactivating the ala rmusing KEYLESS-GO: #
Grasp the outside door handle with thekey
outside theve hicle. Fu
nction of tow- aw ay protection An audible and visual alarm is triggered if
your
ve hicle's angle of inclination is altered while tow-
aw ay protection is primed. To
w- aw ay protection is automatically primed
af te r about 60 seconds:
R After locking theve hicle with thekey.
R After locking theve hicle using KEYLESS-GO.
To w- aw ay protection is only primed when thefo l‐
lowing components are closed:
R The doors
R The boot lid
To w- aw ay protection is automatically deactiva‐
te d:
R After pressing the% orp button on
th ekey
R After pressing thest art/ stop button with the
ke y in thestow age compartment
(→ page 162)
R After unlocking theve hicle using KEYLESS-
GO
R When using HANDS-FREE ACCESS 92
Opening and closing 

Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
, Vehicle .
Vehicle settings .
Tow-away
protection #
Activate or deacti vate the function.
To w- aw ay protection remains deactivated until:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again. Fu
nction of interior pr otection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tec‐
te d in theve hicle interior.
Interior pr otection is primed automatically af ter
appr oximately 10seconds:
R After locking theve hicle with thekey.
R After locking theve hicle using KEYLESS-GO. Interior pr
otection is only primed when thefo l‐
lowing components are closed:
R Doo rs
R The boot lid
Interior pr otection is automatically deactivated:
R After pressing the% orp button on
th ekey.
R After pressing thest art/ stop button with the
ke y in thestow age compartment
(→ page 162).
R After unlocking theve hicle using KEYLESS-
GO.
R When using HANDS-FREE ACCESS.
The following situations can lead toafa lse
alarm:
R Moving objects such as masc ots in theve hi‐
cle interior.
R The side window is open.
R When the sliding sunroof is open.
R The panoramic sliding sunroof is open. Ac
tivating/deactivating in terior pr otection Multimedia sy
stem:
, Vehicle .
Vehicle settings .
Interior
motion sensor #
Activate or deacti vate the function.
Interior pr otection remains deactivated until:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again. Opening and closing
93 

Note
s onthe cor rect driver's seat position &
WARNING Risk of inju rythro ugh adjust‐
ing vehicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
R ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion
R ifyo ufast enyour seat belt while theve hi‐
cle is in motion #
Before starting the engine: adjust the
driver's seat, the head restra ints, the
st eering wheel or the mir ror and fasten
yo ur seat belt. Ensure
thefo llowing when adjusting thesteering
wheel 1, seat belt 2and driver's seat 3:
R you are as faraw ay from the driver's airbag
as possible
R you are sitting in a no rmal upright position
R your thighs are slight lysuppor tedby the seat
cushion R
your legs are not entirely stre tched and you
can dep ress the pedals properly
R the back of your head is suppo rted at eye
le ve lby the cent reofthe head restra int
R you can hold thesteering wheel with your
arms slightly bent
R you can mo veyour legs freely
R you can see all the displa yson the instru‐
ment clus ter clea rly
R you ha vea good overview of the traf fic con‐
ditions
R the seat belt is pulled snug lyagainst the
body and is routed across the cent reofyour
shoulder and across your hips in the pelvic
area 94
Seats and stowing 

Seats
Ad
justing the front seat mechanically and
electrically (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 eke y with you and lock theve hicle.
This also applies tomobile phones if the
"Digital Car Key in the smartphone"
function is activated via the Mercedes
connect me web App. #
Never lea vechildren unat tended in the
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 ety no tes on "Airbags" 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 inju rythro ugh adjust‐
ing vehicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
R ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion
R ifyo ufast enyour seat belt while theve hi‐
cle is in motion #
Before starting the engine: adjust the
driver's seat, the head restra ints, 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 95 

Children in particular could acciden
tally
press the electrical seat adjustment buttons
and become trapped. #
While moving the seats, make sure that
hands or other body parts do not get
under the le ver assembly of the seat
adjustment sy stem. &
WARNING Risk of inju rydue tohead
re stra ints which are not fitted or are
adjus ted incor rectly
If head restra ints are not fitted or are adjus‐
te d incor rectl y,they cannot pr ovide pr otec‐
tion as intended.
There is an increased risk of injury in the
head and neck area, e.g. in theeve nt of an
accident or when braking. #
Alw ays drive with the head restra ints
fi tted. #
Before driving off, ma kesure forev ery
ve hicle occupant that the cent reofthe
head restra int supports the back of the
head at about eye le vel. Do not inter
change the head restra ints of the
front and rear seats. Otherwise, you cannot
adjust the height and angle of the head
re stra ints cor rectl y.
Ad just the head restra int fore -and-aft position so
th at it is as close as possible tothe back of your
head. &
WARNING Risk of inju ryor death due to
incor rect seat position
The seat belt does not of ferth e intended
le ve l of pr otection if you ha venot mo vedthe
seat backrest toan almost vertical position.
When braking or in theeve nt of an accident,
yo u could slide underneath the seat belt and
sus tain abdominal or neck injuries, forex am‐
ple. #
Adjust the seat proper lybefore begin‐
ning your journe y. #
Alw ays ensure that the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is
ro uted across the cent reofyour shoul‐
der. *
NO
TEDama getothe seats when moving
th e seats back The seats may be damaged
byobjects when
moving the seats bac k. #
When moving the seats bac k,make
sure that there are no objects in the
fo ot we ll or under or behind the seats. 96
Seats and stowing 

1
Seat ba ckrest inclination
2 Seat height
3 Seat fore -and-aft adjustment #
Toadjust the seat fore -and-aft position:
lift le ver3 and slide the seat into the
desired position. #
Make sure that the seat is engaged. Ad
justing the front seat manually and elec‐
trically (with Seat Comfort Package) 1
Seat backrest inclination
2 Seat height
3 Seat cushion inclination
4 Seat fore -and-aft adjustment
5 Seat cushion length #
Toadjust the seat fore -and-aft position:
lift le ver4 and slide the seat into the
desired position. #
Make sure that the seat is engaged. #
Toadjust the seat cushion length: lift lever
5 and slide the front section of the seat
cushion forw ards or backwards. Seats and
stowing 97