Page 67 of 541

%
You can check the suitability of your mobile
phone byentering the phone number at
https://www.mercedes.me.
Information about suitable mobile phones
can be obtained from your Mercedes-Benz
Service Centre or on the Internet at http://
www.mercedes-benz.com/connect.
% The function is only available in combination
with Mercedes me connect and on lyin cer‐
ta in countries.
% Protective cases around the mobile phone
can impair the functionality. #
Touch the door handle on the driver's door in
th e area where NFC aerial 1is located with
th e part of the mobile phone where the NFC
aerial is located.
The vehicle is loc ked or unloc ked alternately.
If yo u lose your mobile phone, deactivate the
"Digital Car Key in the smartphone" service in
Mercedes me connect at https://
www.mercedes.me. %
Mercedes-Benz recommends that you car ry
th e emer gency key in case of function
re strictions. Lo
cking and unlocking theve hicle with KEY‐
LESS-GO Re
quirements:
R The key must be outside theve hicle.
R The dis tance between theke y and theve hicle
must not exceed 1 m.
R The driver's door and the door at which the
door handle is used must bo thbe closed. 64
Opening and closing
Page 68 of 541
#
Tounlo cktheve hicle: touch the inner sur‐
fa ce of the door handle. #
Tolock theve hicle: touch sensor sur face
1 or2. #
Convenience closing: touch recessed sen‐
sor su rface 2for an extended pe riod.
% For fur ther information on con venience clos‐
ing (→ page 75).
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 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. Opening and closing
65
Page 69 of 541
Problem
Possible causes/consequences and M
MSolutions
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. #
Todeactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds. #
Toactivate: 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:
R Ifth eve hicle is being tow star ted/pushed.
R On a roller dynamome ter. 66
Opening and closing
Page 70 of 541

Un
locking/locking the driver's door using
th e emer gency key element %
Ifyo u wish tolock theve hicle entirely using
th e emer gency key,firs t press the button for
locking from the inside while the driver's
door is open. Then proceed tolock the driv‐
er's door using the emer gency key element. #
Insert the emer gency key in toopening 1in
th e co ver. #
Pull and hold the door handle. #
Pull the co ver on the emer gency key as
st ra ight as possible away from theve hicle
until it releases. #
Release the door handle. #
Tounlo ck:turn the emer gency key anti-
clo ckwise toposition 1. #
Tolock: turnthe emer gency key clo ckwise to
position 1. #
Carefully press the co ver onto the lock cylin‐
der until it engages and is seated firm ly. Boot
Opening the bo
otlid &
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if the
boot lid is open when the engine is running,
especially if theve hicle is in motion. #
Alw ays switch off the engine before
opening the boot lid. #
Never drive with the boot lid open. Opening and closing
67
Page 71 of 541

*
NO
TEDama getothe boot lid byobs ta‐
cles ab ovetheve hicle The boot lid swings upwards when it is
opened. #
Therefore, make sure that there is suf fi‐
cient clearance ab ovethe boot lid. Yo
u ha vethefo llowing options toopen the boot
lid: #
With th e boot lid unloc ked, press theto p of
th est ar. #
Vehicles with boot lid conve nience clos‐
ing feature: withthe boot lid stopped in an
intermediate position, pull it upwards and
re lease as soon as it begins toopen.
% Toopen the boot lid, pull on thefo lded-out
st ar when there ve rsing camera is activated. #
Press and hold thep button on thekey. #
Pull boot lid remo teoperating switch 1. #
Vehicles with HANDS-FREE ACCESS: move
yo ur foot below the bumper (→ page 70).
Ve hicles with boot lid conve nience closing:if
an object restricts the boot lid during the auto‐
matic opening process, the obs tacle de tection
st ops the boot lid. The obs tacle de tection func‐
tion is only an aid and is not a substitu teforyo ur
attentiveness. 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. &
WARNING Risk of becoming trapped
du ring au tomatic closing of the boot lid
Pa rts of the body could become trapped dur‐
ing automatic closing of the boot lid. More‐
ove r,people, e.g. children, may be standing 68
Opening and closing
Page 72 of 541

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
th e 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 boot lid.
R Press theto p of thest ar on the boot
lid. 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.
Yo u ha vethefo llowing options toclose the boot
lid: #
Pull the boot lid down using the handle
re cess and push it closed. #
Vehicles with boot lid conve nience clos‐
ing: press and hold thep button on the
ke y (with theke y in the vicinity of theve hi‐
cle). #
Vehicles with boot lid conve nience clos‐
ing: press closing button 1inthe boot lid. #
Vehicles with boot lid conve nience clos‐
ing and KEYLESS-GO: press locking button
2 inthe boot lid.
If a key is de tected outside theve hicle, the
boot lid closes and theve hicle is loc ked. #
Vehicles with boot lid conve nience clos‐
ing: press boot lid remo teoperating switch
1. Opening and closing
69
Page 73 of 541

#
Vehicles with HANDS-FREE ACCESS: move
yo ur foot below the bumper (→ page 70).
Au tomatic reve rsing function of the boot lid
If an object restricts the boot lid during the auto‐
matic closing process, the boot lid opens again
automaticall y.The automatic reve rsing function
is only an aid and is not a substitute foryo ur
attentiveness. #
When closing, make sure that no body parts
are in the closing area. &
WARNING Risk of becoming trapped
despi tereve rsing function
The reve rsing 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. #
When closing, ma kesure that no body
parts are in the closing area. #
If someone is trapped, use one of the
fo llowing options:
R Press thep button on thekey.
R Press there mo teoperating switch
on the driver's door.
R Press the closing or locking button
on the boot lid.
R Press theto p of thest ar on the boot
lid. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCESS you can open, close
or stop the closing process of the boot lid by
per form ing a kicking mo vement under there ar
bumper.
The kicking mo vement triggers the opening or
closing process alternately. 70
Opening and closing
Page 74 of 541

Obser
vethe no tes when opening (→ page67 )
and closing (→ page 68)the 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 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. road
salt or sn ow.
R The kicking mo vement is made using a pros‐
th etic leg. Opening and closing
71