R
Anti-theft pr otection is reactivated.
Do not keep theke yto get her with electronic
devices or me tal objects. This can af fect the
ke y's functionalit y.
% If battery check lamp 2does not light up
af te r pressing the% or& button, the
battery is dischar ged. Ac
tivating/deactivating the acoustic lo cking
ve rification signal Multimedia sy
stem:
, Vehicle .
î Vehicle set-
tings .
Acoustic lock #
Activate Oor deacti vate ª the function. Priming/deactivating
the panic ala rm Re
quirements:
R Ignition switched off. #
Toprime: press button 1for appro ximately
one second.
A visu al and audible alarm is triggered. #
Todeactivate: briefly press but ton1 again.
or #
Press thest art/ stop button on the cockpit
(the key is inside theve hicle). Changing
the unlocking settings Po
ssible unlocking functions of theke y:
R Central unlocking
R Unlocking the driver's door and fuel filler flap #
Toswitch between settings: pressthe
% and& buttons simultaneously for
appr oximately six seconds until the battery
ch eck lamp flashes twice.
If th e unlocking function forth e driver's door
and fuel filler flap has been selec ted:
R Pressing the% button a second time cen‐
trally unloc kstheve hicle.
R Vehicles with KEYLESS-GO: Ifyo uto uch
th e inner sur face of the door handle on the
driver's door, only the driver's door and fuel
fi ller flap are unlo cked. Re
ducing the energy consu mption of the key If
yo u do not intend touse theve hicle for an
ex tended pe riod of time, you can deactivate the
fo llowing functions on thekey.
R KEYLESS-GO starting function
R KEYLESS-GO Opening and closing
65
Problem
Possible causes/consequences and M
MSolutions #
Check the battery using the battery check lamp and replace if necessary . #
Use the emer gency keyto lock or unlock theve hicle . #
Have theke ych ecked at a qualified specialist workshop.
Yo u ha velost a key. #
Have theke y deacti vated at a qualified specialist workshop. #
If necessar y,ha ve the loc kschanged as well. Doors
Note
s onthe additional door lock The additional door lock is only
available for
ve hicles forth eUni ted Kingdom. &
WARNING Risk of inju ryto persons
inside theve hicle when the additional
door lock is activated
If th e additional door lock is activated, the
doors can no longer be opened from the
inside.
If th ere are persons in theve hicle, they can
no longer le aveth eve hicle, e.g. in hazardous
situations. #
Never lea vepersons unattended in the
ve hicle, particularly children, elderly
persons or persons in need of help. #
Ifth ere are persons in theve hicle, do
not activate the additional door loc k. The additional door lock is automatically activa‐
te d:
R After locking theve hicle with thekey.
R After locking theve hicle using KEYLESS-GO.
If th e additional door lock is activated, the doors
cann otbe opened from the inside.
Yo u can deactivate the additional door lock by
deactivating the interior pr otection (→ page 89). Un
locking and opening the doors from the
inside Un
ited Kingdom onl y:obser vethe no tes on the
additional door lock (→ page 68).68
Opening and closing
If
yo u open theta ilgate from outside it is auto‐
matically unloc ked. Problems with KEYLESS-GO
Problem
Possible causes/consequences and M
MSolutions
Yo u can no lon ger lock or unlock the
ve hicle using KEYLESS-GO. Po
ssible causes:
R KEYLESS-GO has been deactivated .
R The key bat tery is dischar ged or near lydischar ged.
R There is inter fere nce from a po werful radio signal source.
R The key is faulty. #
Activate KEYLESS-GO . #
Check the battery using the battery check lamp and replace if necessary . #
Use the emer gency keyto lock or unlock theve hicle . #
Have theve hicle and keych ecked 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. Opening and closing
71
R
press the closing or locking button on the
ta ilgate.
R Pull theta ilgate handle. Ve
hicles with HANDS-FREE ACCESS: it is also
possible tostop the closing process bymoving
yo ur foot in a kicking motion under there ar
bumper.
To close thetai lgate, thefo llowing options are
av ailable: #
Pull theta ilgate down wards slightly. Release
it as soon as it begins toclose. #
Press and hold thep button on thekey
(with theke y in the vicinity of theve hicle). #
Press closing button 1ontheta ilgate. #
Vehicles with KEYLESS-GO: press locking
button 2intheta ilgate.
If a key is de tected outside theve hicle, the
ta ilgate closes and theve hicle is loc ked. #
Press remo teoperating switch 1forthe
ta ilgate. #
Vehicles with HANDS-FREE ACCESS: move
yo ur foot below the bumper (→ page76).
Au tomatic reve rsing function for the tail gate
The tailgate is equipped with automatic obs tacle
de tection wi threve rsing function. If a solid
object bloc ksorrestricts theta ilgate when auto‐
matically closing, theta ilgate automatically Opening and closing
75
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 you are standing firm ly on the ground you
could otherwise 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 The area around the sensor is dirty, e.g. due
to road salt or sn ow.
R The kicking mo vement is made using a pros‐
th etic leg. The
tailgate can open or close unin tentional lyin
th efo llowing situations:
R If persons' arms or legs mo veinthe sensor
de tection range, e.g. when polishing theve hi‐
cle, sitting on the edge of the luggage com‐
partment, or picking up objects.
R If objects are guided behind or placed behind
theve hicle, e.g. charging cables, tensioning
st ra ps or luggage.
R When working on the trailer coupling, trailers
or rear bicycle rack s.
Deactivate KEYLESS-GO (→ page 65) or do not
car rytheke y about your person in such situa‐
tions. Limiting
the opening angle of the tailgate Ac
tivating the opening angle limiter
Yo u can limit the opening angle of theta ilgate in
th eto p half of its opening range, toappr ox‐
imately 20 cm before the end position. #
Stop the opening procedure of theta ilgate at
th e desired position. Opening and closing
77
#
Tointer rupt convenience closing: release
th e& button. %
Con venience closing can also be operated
wi th KEYLESS-GO (→ page 70).Problems with
the side windo ws Problem
Possible causes/consequences and M
M Solutions
A side window cann otbe closed and
yo u cannot see the cause. #
Check tosee if any objects are in the window guide.
& WARNING Risk of entrapment if reve rsing pr otection is not activated
If yo u close a side wind owagain immediately af ter it has been bloc ked or reset, the side window closes
with increased or maximum forc e. The reve rsing feature is then not active.
Pa rts of the body could be trapped in the closing area in the process. #
Make sure that no parts of the body are in the closing area. #
Tostop the closing process, release the button or press the button again toreopen the side win‐
do w. If a side window is obstructed during closing and
reopens again slightly: #
Immediately af terth e window bloc ks, pull the cor responding button again until the side window has
closed, and hold the button for an additional second.
The side window is closed with increased forc e.
If a side window is obstructed again during closing and reopens again slightly: 82
Opening and closing
Anti-theft pr
otection 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 (anti-theft ala rm
sy stem)
If th eATA system is primed, a visual and audible
alarm is triggered in thefo llowing situations:
R A door is opened.
R The tailgate is opened.
R The bonn etis opened.
R Interior pr otection is triggered. (→ page 89)
R Tow- aw ay protection is triggered.
(→ page 89) The
ATA system is primed automatically af ter
appr oximately 10seconds:
R After locking theve hicle with thekey.
R After locking theve hicle using KEYLESS-GO. When
theATA system is primed, indicator lamp
1 flashes.
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 inside theve hicle.
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 330).
Deactivating theATA (anti-theft ala rmsys‐
te m) ala rm #
Press the%, &orp button on the
key.
or #
Press thest art/ stop button (the SmartK eyis
inside theve hicle).
St opping the ala rmusing KEYLESS-GO #
Grasp the outside door handle (with thekey
outside theve hicle). 88
Opening and closing
To
w- 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 Doo rs
R Tailgate
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 inside theve hicle.
R After unlocking theve hicle using KEYLESS-
GO.
R When using HANDS-FREE ACCESS. Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
, Vehicle .
î Vehicle settings .
Tow-
away protection #
Activate Oor deacti vate ª the function. 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 Tailgate 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 inside theve hicle.
R After unlocking theve hicle using KEYLESS-
GO.
R When using HANDS-FREE ACCESS.
The following situations can lead toafa lse
alarm:
R By mo veable objects such as masc ots in the
ve hicle interior.
R When the side window is open.
R When the sliding sunroof is open.
R When the panoramic sliding sunroof is open. Priming/deactivating interior pr
otection Multimedia sy
stem:
, Vehicle .
î Vehicle settings .
Inte-
rior motion sensor #
Activate Oor deacti vate ª the function. Opening and closing
89