
The indicator lamp in
the door trim on the driv‐
er's side flashes when theve hicle is loc ked from
outside. The indicator lamp goes out if theve hi‐
cle is loc ked from inside or while theve hicle is in
motion.
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 78). 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. If
th e 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 the
driver'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 (/ page159). Opening and
closing77

Problem
Possible causes/consequences and M
MSolutions #
If necessar y,ha ve the mechanical lock changed 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 in thefo llowing situations:
R The vehicle is loc ked using thekey.
R The vehicle is loc ked using KEYLESS-GO.
If th eve hicle has been loc ked via Mercedes me
connect, the additional door lock is not activa‐
te d.
If th e additional door lock is activated, the doors
cann otbe opened from the inside.
% After locking you can issue a signal with the
horn.
Yo u can pr eventthe additional door lock from
being activated bydeactivating interior pr otec‐
tion before locking theve hicle (/ page 99). Un
locking/opening the doors from the inside #
United Kingdom onl y:obser vethe no tes on
th e additional door lock (/ page 80). #
Pull door handle 1.80
Opening and closing

If
yo u open the boot lid from outside, the boot lid
is automatically 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 The key functions ha vebeen deactivated (/ page77).
R The key bat tery iswe ak or dischar ged.
R There is inter fere nce from a po werful radio signal source.
R The key is faulty. #
Activate theke y functions (/ page77). #
Check the battery using the battery check lamp and replace if necessary (/ page78). #
Use the emer gency keyto unlo ckor lock theve hicle (/ page78). #
Have theve hicle and keych ecked at a qualified specialist workshop. Ac
tivating/deactivating the automatic lo ck‐
ing feature 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
83

Closing
the boot lid &
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. Comply with
the loading guidelines when you are
loading theve hicle.
Yo u ha vethefo llowing options for closing
the bo otlid: #
Pull the boot lid down using the handle
re cess and push it closed. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCESS you can open the
boot lid byper form ing a kicking mo vement
under the bumper.
Obser vethe no tes when opening the boot lid
(/ page 85). &
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
that 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. Opening and closing
87

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. #
Obser vethe comple teclosing proce‐
du re when using con venience closing. #
When closing, ma kesure that no body
parts are in the closing area. #
Press and hold theß button on thekey.
The following functions are per form ed:
R The vehicle is loc ked. R
The side windo wsare closed.
R The pano ramic sliding sunroof is closed. #
Tointer rupt convenience closing: release
th eß button. #
Toclose thero ller sunblinds: press and
hold theß button again.
% Con venience closing can also be operated
wi th KEYLESS-GO (/ page 82). Problems with
the side windo ws &
WARNING Risk of becoming trapped or
fa ta lly injured if reve rsing pr otection is
not activated
If yo u close a side wind owagain immediately
af te r it has been bloc ked, the side window
will close with increased or maximum forc e.
The reve rsing feature will then not be active.
Pa rts of the body could become trapped in
th e 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 tore-
open the side windo w. Problem
Possible causes/consequences and M
MSolutions
A side window cann otbe closed and
yo u cannot see the cause. #
Check tosee whe ther any objects are in the window guide. #
Adjust the side windo ws. Opening and closing
91

R
afte r locking theve hicle using KEYLESS-GO Indicator lamp
1flashes when theAT A sy stem
is primed.
The ATA sy stem is deactivated automatically in
th efo llowing situations:
R afte r unlocking theve hicle with thekey R
afte r unlocking theve hicle using KEYLESS-
GO
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 159)
% 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 416).
Deactivating theATA #
Press theÜ, ßorp button on the
key.
or #
Press thest art/ stop button with theke y in
th estow age compartment (/ page159)
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 an
alteration
to yourvehicle's angle of inclination is
de tected while tow- aw ay protection is primed.
To w- aw ay protection is automatically primed
af te r about 60 seconds:
R afte r locking theve hicle with thekey
R afte r 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 afte r pressing theÜ orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 159)
R afte r unlocking theve hicle using KEYLESS-
GO 98
Opening and closing

R
when using HANDS-FREE ACCESS
In fo rm ation on de tecting damage on a pa rked
ve hicle (/ page189). Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
4 © 5
Settings
5 Schnellzugriff (Quick access) #
Prime or deactivate Tow-away protection .
To w- aw ay protection is primed again in thefo l‐
lowing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select the
Vehicle submenu in theSettings main menu
to prime or deactivate tow- aw ay protection. 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 ten seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO
Interior pr otection is only primed when thefo l‐
lowing components are closed:
R the doors
R the boot lid
Interior pr otection is automatically deactivated:
R afte r pressing theÜ orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 159)
R afte r 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 when the side window is open
R when the panoramic sliding sunroof is open Priming/deactivating interior pr
otection Multimedia sy
stem:
4 © 5
Settings
5 Schnellzugriff (Quick access) #
Prime or deactivate Interior motion sensor.
Interior pr otection is primed again in thefo llow‐
ing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select the
Vehicle menu under Settingstoprime or
deactivate interior pr otection. Opening and closing
99

Communication module function ........
.421
Connection status .............................. .424
Displ aying the connection status ........ .424
Es tablishing .........................................4 23
Es tablishing automatically ...................4 23
Information .......................................... 421
Mobile phone de tails .......................... .423
Re strictions ......................................... 421
Setting access da ta(Blue tooth ®
) ........ 422
Setting automatic disconnection .........4 24
Setting up (Blue tooth®
) .......................4 22
Setting up (Wi-Fi) ................................. 422
Internet radio
Calling up ............................................ 428
Calling up thest ation list (category
last selec ted) .......................................4 30
Deleting stations ................................ .430
Logging out ......................................... 430
Overview ............................................. 429
Re gis tering .......................................... 430
Saving stations .................................... 430
Selecting and connecting toast ation
............................................................ .430
Selecting stre am ................................ .430
Setting options ................................... .430 Te
rm s of use ........................................4 30
iPhone ®
see Apple CarPlay™
see Mercedes-Benz Link
ISOFIX child seat securing sy stem
Fitting .................................................... 63
Seats suitable for attaching ................... 59 J
Jack Declaration of conformity ...................... 27
St orage location ..................................4 99
Jump-start connection ............................474
Gene ral no tes ...................................... 472 K
Ke y.............................................................. 76
Ac oustic locking verification signal ........ 77
Battery ................................................... 78
Emergency key ...................................... 78
Energy consumption .............................. 77
Fe atures ................................................ 76
Ke yring attachment .............................. 78
Overview ................................................ 76Problem .................................................79
Un locking setting .................................. 77
Ke y functions
Deactivating .......................................... 77
KEYLESS-GO Locking theve hicle ................................ 82
Problem .................................................83
Un locking setting .................................. 77
Un locking theve hicle ............................82
Kickd own.................................................. 173
Using ................................................... 173
Knee airbag ................................................ 41 L
Lamp see In terior lighting
Lamps (instrument display) see Warning/indicator lamps
Lane de tection (au tomatic)
see Active Lane Keeping Assist
Lane Keeping Assist
see Active Lane Keeping Assist 61 6
Index