If
th eve hicle is not opened within appr oximately
40 seconds af ter unlocking, it loc ksagain. Anti-
th eft pr otection is primed again.
Do not keep theke yto ge ther 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 theÜ orß button, the
battery is dischar ged.
Changing theke y bat tery ( / page 76). Ac
tivating/deactivating the acoustic lo cking
ve rification signal Multimedia sy
stem:
4 © 5
Settings 5
Vehicle #
Activate or deacti vate Acoustic lock .
% Please no
te:
The selected setting forth e acoustic locking
ve rification signal must comply wi th there le‐
va nt national road and traf fic re gulations. In
some countri es, including German y,using
th e acoustic locking verification signal is for‐
bidden bytraf fic la ws(in accordance with §16
Para. 1 and §30 Para. 1 of the German
national road traf fic re gulations). The driver
of theve hicle must comply with these regu‐
lations. In countri es wherethe use of this
function is forbidden, this function is not
activated in theve hicle and must not be acti‐
va ted. Changing
the unlocking settings Po
ssible unlocking functions of theke y:
R cent ral unlocking
R unlocking the driver's door and fuel filler flap #
Toswitch between settings: pressthe
Ü andß buttons simultaneously for
appr oximately six seconds until the battery
ch eck lamp flashes twice.
Options if the unlocking function forth e driver's
door and fuel filler flap has been selec ted:
R pressing theÜ 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 thedriver's door, only
the driver's door and fuel
fi ller flap are unlo cked. Deactivating
theke y functions If
yo u do not use theve hicle or a keyfo r an
ex tended pe riod of time, you can reduce the
energy consum ption of there spective key.Todo
so, deactivate theke y functions. #
Todeactivate: presstheß button on the
ke y twice in quick succession.
The battery check lamp of theke yflashes
twice brief lyand lights up once. #
Toactivate: press any button on thekey.
% When theve hicle is star ted with theke y in
th estow age compartment of the cent recon‐
sole, theke y functions are automatical ly
activated (/ page168). Opening and closing
75
Re
moving/inserting the eme rgency key #
Toremo ve:press release knob 1.
Emer gency key2 is pushed out slight ly.#
Pull out emer gency key2 until it en gage s in
th e intermediate position.
% You can use the intermediate position of
emer gency key2 toattach theke yto akey
ri ng. #
Press release knob 1again and fully
re mo veemer gency key2. #
Toinser t:press release knob 1. #
Insert emer gency key2 tothe intermediate
position or fully until it engages. Re
placing the key battery &
DANG ER Serious damage tohealth
caused byswallowing batteries
Batteries contain toxic and cor rosive sub‐
st ances. Swallowing bat teries may cause
serious damage tohealth.
There is a risk of fata l injur y. #
Keep batteries out of there ach of chil‐
dren. #
If batteries are swallo wed, seek medical
attention immediately. +
ENVIRONMEN
TALNO TEEnvironmental
dama gedue toimproper disposal of bat‐
te ries Batteries conta
in pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmen tally responsible manner.
Ta ke dischar ged batteries toaqu alified
specialist workshop or toa collection
point for used batteries. Re
quirements:
R Yourequ ire a CR 2032 3 V cell batter y.
Mercedes-Benz recommends that you ha vethe
battery replaced at a qualified specialist work‐
shop. #
Remo vethe emer gency key ( / page 76). 76
Opening and closing
#
For a tailgate stopped in an intermediate
position, pull it upwards and release it as
soon as it starts toopen.
The tailgate is equipped with an automatic
obstruction de tection function. If a solid object
bloc ksorrestricts theta ilgate during automatic
opening, this process is stopped. The automatic
obstruction de tection function is only an aid. It is
not a substitu teforyo ur attentiveness when you
are opening theta ilgate. Closing
the tailgate &
WARNING Risk of inju ryfrom unsecu red
items in theve hicle
If objects, luggage or loads are not secured
or not secured suf ficientl y,they could slip,
tip ove r or be throw n around and thereby hit
ve hicle occupants.
There is a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction. #
Alw aysstow objects in such a wayth at
th ey cannot be thro wn around. #
Before the journe y,secure objects, lug‐
ga ge or loads against slipping or tipping
ove r. Obser
vethe no tes on loading theve hicle.
To close the tailgate, thefo llowing options
are available: #
Pull theta ilgate down wards slightly. Release
it as soon as it begins toclose. &
WARNING Risk of becoming trapped
du ring au tomatic closing of theta ilgate
Pa rts of the body could become trapped dur‐
ing automatic closing of theta ilgate. More‐
ove r,people, e.g. children, may be standing
in the closing area or may enter the closing
area during the closing process. #
Make sure that nobody is in the vicinity
of the closing area during the closing
process. Use one of
thefo llowing options tostop the
closing process:
R Press thep button on thekey.
R Press or pull there mo teoperating switch
on the driver's door.
R Press the closing or locking button on the
ta ilgate.
R Press theto p of the Mercedes star on the
ta ilgate #
Vehicles with HANDS-FREE ACCESS: it is
also possible tostop the closing process by
making a kicking mo vement below there ar
bumper. 84
Opening and closing
#
Switch on the po wer supp lyor the ignition. #
Press there mo teoperating switch 1forthe
ta ilgate. #
Press the closing button 1ontheta ilgate.
Ve hicles with KEYLESS-GO #
Press the locking button 2ontheta ilgate.
If a key is de tected outside theve hicle, the
ta ilgate will close and theve hicle will be
loc ked. #
Press and hold thep button on thekey
(with theke y in the vicinity of theve hicle). Ve
hicles with HANDS-FREE ACCESS #
Make a kicking mo vement with your foot
below the bumper (/ page 86).
Au tomatic reve rsing function for the tail gate
The tailgate is equipped with automatic obstruc‐
tion de tection wi threve rsing function. If a solid
object bloc ksorrestricts theta ilgate when it is
automatically closing, theta ilgate will automati‐
cally open again slightly. Automatic obstruction
de tection wi threve rsing function is only an aid.
It is not a substitute foryo ur attentiveness when
yo u are closing theta ilgate. #
During the closing process, make sure that
no body parts are in the closing area. &
WARNING Risk of becoming trapped
despi tereve rsing function
The reve rse function does not react:
R tosoft, light and thin objects, e.g. fingers
R overth e last 8 mm of the closing path
In these situations in particular, there ve rsing
function cannot pr event someone being trap‐
ped. Opening and closing
85
#
If someone is trapped, release the but‐
to n immedia tely or press the button in
order toreopen the side windo w. &
WARNING Risk of becoming trapped
when children opera tethe side windo ws
Children could become trapped if they oper‐
ate the side windo ws, particularly when unat‐
te nded. #
Activate theove rride feature forthe
re ar side wind ows. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Never lea vechildren unat tended in the
ve hicle. Re
quirements:
R The po wer supply or the ignition is switched
on. 1
Closing
2 Opening
The buttons on the driver's door take prece‐
dence. #
Tostart automatic operation: pressthe
W button be yond the point of resis tance
or pull and release it. #
Tointer rupt automatic operation: press or
pull theW button again.
When theve hicle is switched off, the side win‐
do ws can continue being ope rated.
The function is available for around five minutes
or until a front door is opened.
Au tomatic reve rsing function of the side win‐
do ws
If an object bloc ksa side wind owduring the
closing process, the side window opens again
automaticall y.The automatic reve rsing function
is only an aid and is not a substitute foryo ur
attentiveness. #
During the closing process, make sure that
no body parts are in the closing area. &
WARNING Risk of becoming trapped
despi tethere being reve rsing pr otection
on the side window
The reve rse function does not react:
R tosoft, light and thin objects, e.g. fingers
R during resetting Opening and closing
89
This means
that there ve rse function cann ot
pr ev ent someone from becoming trapped in
th ese situations. #
When closing, make sure that no body
parts are in the closing area. #
If someone becomes trapped, press the
W button toopen the side window
again. Au
tomatic function of the side windo wsIn
thefo llowing cases, the side windo wswill be
closed automatically when theve hicle is
switched off:
R If it starts torain (de tection bythera in sen‐
sor on the windscreen)
R Inextreme temp eratures
R After six hours
R Ifth ere is a malfunction in the po wer supp ly
The side windo wswill be closed as far as the
ve ntilation position. Ve
hicles with a sliding sunroof: the side win‐
do ws will be closed comple tely if the sliding sun‐
ro of is open.
If th e side windo wsare bloc ked during auto‐
matic closing, the side window concerned will
open again slightl y.The automatic function for
th e sliding sunroof and the side windo wswill
th en be deactivated. Con
venience opening (ventilating theve hicle
before starting a journey) &
WARNING Risk of entrapment when
opening a side window
When opening a side windo w,parts of the
body could be dr awn in or become trapped
between the side window and window frame. #
When opening, make sure that nobody
is touching the side windo w. #
Release the button immediately if
somebody becomes trapped. #
Press and hold theÜ button on thekey.
The following functions are per form ed:
R The vehicle is unloc ked
R The side windo wsare opened.
R The sliding sun roof is opened.
R The seat ventilation of the driver's seat is
switched on. #
Tointer rupt convenience opening: release
th eÜ button. #
Tocontinue con venience opening: press
and hold theÜ button again. Con
venience closing (closing theve hicle
from outside) &
WARNING Risk of entrapment caused by
inadver tent con venience closing
When the con venience closing feature is
operating, parts of the body could become
trapped in the closing area of the side win‐
dow and the sliding sunroof. 90
Opening and closing
1
Raising
2 Opening
3 Closing/lo wering #
Check wh ether the sliding sunroof can be
ra ised or opened when a roof rack isfitted. #
Tostart automatic operation: pressthe
3 button be yond the point of resis tance
or pull and release it. #
Tointer rupt automatic operation: briefly
press the3 button in any direction.
The opening/closing process will be stop‐
ped.
Au tomatic reve rsing function of the sliding
sunroof
If an object is obstructing the sliding sunroof
during the closing process, the sliding sunroof
will open again automaticall y.The automatic
re ve rsing function is only an aid and is not a sub‐
st itute foryo ur attentiveness. #
During the closing process, make sure that
no body parts are in the closing area. &
WARNING Risk of entrapment even wi th
th ere ve rsing feature active
The reve rse function does not react in partic‐
ular:
R tosoft, light and thin objects, e.g. fingers
R overth e last 4 mm of the closing path
R during resetting This means
that there ve rse function cann ot
pr eve nt someone from becoming trapped in
th ese situations. #
When closing, make sure that no body
parts are in the closing area. #
Release the button immediately if
somebody becomes trapped.
or #
Brief lypress the button in any direction
during automatic operation.
The closing process is stopped. Au
tomatic functions of the sliding sun roof The sliding sunroof is automatically closed when
th
eve hicle has been switched off:
R if it starts torain (de tection bythera in sen‐
sor on the windscreen)
R intheeve nt of extreme outside temp eratures
R afte r six hours
R ifth ere is a malfunction in the po wer supp ly 94
Opening and closing
The sliding sunroof
then rises at there ar in order
to continue ventilating theve hicle interior. If
th e sliding sunroof is bloc ked during an auto‐
matic closing procedure, thero of is opened
slightly again. The automatic function forthe sliding sunroof and
the side windo wsisthen
deactivated. Problems with
the sliding sunroof Problem
Possible causes/consequences and M
MSolutions
The sliding sunroof cann otbe closed
and you cannot see the cause. &
WARNING Risk of becoming trapped or fata l injury byclosing the sliding sunroof again
If yo u close the sliding sunroof again immediately af ter it has been bloc ked or reset, the sliding sunroof
closes with increased forc e.
Pa rts of the body could become trapped in the closing area in the process. #
Make sure that no parts of the body are in the closing area. #
Release the button immediately if somebody becomes trapped.
or #
Press the button in any direction during the automatic closing process.
The closing process is stopped. If
th e sliding sunroof is obstructed during closing and reopens again slightly: #
Immediately af ter auto matic reve rsing, pull and hold the3 button down again tothe point of resist‐
ance until the sliding sunroof is closed.
The sliding sunroof will be closed with increased forc e. Opening and closing
95