
Ther
Ther
e is int
e is int erf
erfer
erence fr
ence fr om a pow
om a pow er
erful r
ful r adio signal
adio signal
sour
sour ce
ce
Po ssible causes if the function of theke y is
impaired:
R high voltage po wer lines
R mobile phones
R electronic devices (no tebooks, tablets)
R shielding due tome tal objects or induction
loops for electrical gate systems or automatic
bar riers #
Make sure that there is su1cient distance
between theke y and the po tential sou rce of
inter fere nce.
Y
Y ou hav
ou hav e los
e lost a key
t a key #
Have theke y deactivated at a quali/ed spe-
cialist workshop. #
If necessar y,ha ve the mechanical lock
re placed as well. Doors
Doors
N
No
ot
tes on t
es on t he additional door lock
he additional door lock The additional door lock is only
available forve hi-
cles forth e United Kingdom. &
W
WARNING
ARNING Risk of injury topersons inside
th eve 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. #
Never lea vepersons, in particular chil-
dren, unattended in theve hicle. #
Ifth ere are persons in theve hicle, do not
activate the additional door loc k. The additional door lock is automatically activated
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 activated
(/ page 348).
If th e additional door lock is activated, the doors
cannot be opened from the inside.
% ATer locking you can issue a signal with the
horn.
Yo u can pr event the additional door lock from
being activated bydeactivating interior pr otection
before locking theve hicle (/ page 109). U Unloc
nloc king/opening t
king/opening t he door
he doors fr
s from t
om t he inside
he inside #
U
Unitnit ed Kingdom only
ed Kingdom only :
:obser vethe no tes on
th e additional door lock (/ page 84).84
84
Opening and closing

Pr
Pr
oblems wit
oblems wit h KEYLESS-GO, tr
h KEYLESS-GO, tr oubleshoo
oubleshooting
ting Y Y
ou can no long ou can no long er loc
er lock or unloc
k or unloc k t
k t he v
he v ehicle using
ehicle using
KEYLESS-GO
KEYLESS-GO
Po ssible causes:
R The function of theke y has been deactivated.
R The key battery is weak or dischar ged. #
Activate the function of theke y (/ page 81). #
Check the battery using the indicator lamp
(/ page 80). #
Replace theke y batter y,if necessary
(/ page 82). #
Use there placement key. #
Use the emer gency keyto lock or unlock
(/ page 93). #
Have theve hicle and keych ecked at a quali-
/ed specialist workshop.
Ther Ther e is int
e is int erf
erfer
erence fr
ence fr om a pow
om a pow er
erful r
ful r adio signal
adio signal
sour
sour ce
ce
Po ssible causes if the function of KEYLESS-GO is
impaired:
R high voltage po wer lines R
mobile phones
R electronic devices (no tebooks, tablets)
R shielding due tome tal objects or induction
loops for electrical gate systems or automatic
bar riers #
Make sure that there is su1cient distance
between theke y and the po tential sou rce of
inter fere nce. A
A
ctiv
ctiv ating or deactiv
ating or deactiv ating t
ating the aut
he automatic loc
omatic loc king
king
f
f eature
eature Multimedia system:
4 © 5
Settings 5
Vehicle
5 Open/close
% The vehicle is loc ked automatically when the
ve hicle is switched on and the wheels are
turning faster than walking pace. #
Activate or deactivate Automatic locking.
In thefo llowing situations, there is a danger of
being loc ked out when the function is activated:
R The vehicle is being towe d or pushed. R
Ifth eve hicle is being tested on a roller dyna-
mome ter. Opening and closing t
Opening and closing t
he fr
he front conv
ont conv enience doors
enience doors &
W
WARNING
ARNING Risk of becoming trapped dur-
ing automatic closing of the front con veni-
ence doo rs
Pa rts of the body could become trapped.
There may be people or animals in the closing
area. #
Make sure that nobody is in the vicinity
of the closing area. #
Use one of thefo llowing options tostop
th e closing process:
R Press theÜ ors button on
th ekey.
R Driver's door: depress the brake
pedal.
R Pull the inner or outer door handles.
R Push against or pull the door. Opening and closing
87
87

stopped and a
warning is displa yed in the multi-
media system. #
Manually open a door stopped in an intermedi-
ate position.
Even if the con venience doo rsare equipped with
senso rs, it cann otbe guaranteed that all objects
are de tected. Object de tection is only an aid and
is not a substitute forth e attention of theve hicle
occupants totheir immediate sur roundings when
opening and closing the con venience doo rs. The
ve hicle occupants are alw aysre sponsible for
opening and closing the doors safel y.
Det
Det ection r
ection r ang
ange of t
e of t he sensors
he sensors 1
appr oximately 1 m
* N
NOOTE
TE Risk of an accident from objects at
close range Object
recognition may not de tect cer tain
objects at close range. #
When opening the con venience doo rs,
pay particular attention tolow objects
and obstacles in the side window area.
Object de tection does not alw ays de tect
such objects at close range, especially
during mo vement. The vehicle or other
objects could otherwise be damaged. *
N
NOOTE
TE Risk of accident due tofaulty sen-
sors The sensors may malfunction because of snow
or due
toobjects that absorb ult rasonic
wav es. #
Make sure that the con venience doo rs
are free from dirt, ice or slush. #
Be especially careful when opening the
con venience doo rsifot her ult rasonic
sources are near by. *
N NO
OTE
TE Risk of accidents if the de tection
per form ance of the sensors in the con ve-
nience doo rsisrestric ted If
th e sensors are co vered, the con venience
doo rscannot function reliabl y. #
Do not apply sti ckers, foils or other coat-
ings tothe outside of the con venience
doo rs.
The sensors may otherwise be bloc ked
and obs tacles may not be de tected or
only de tected toa limi tedex tent. 90
90
Opening and closing

Exit w
Exit w
ar
arning when opening t
ning when opening t he fr
he front door
ont door s fr
s from
om
inside
inside
The exitwa rning of Active Blind Spot Assist is
used as an additional safeguard. If an obstacle is
de tected, the con venience function is deactivated
and the moving door will be stopped. #
Manually open a door stopped in an intermedi-
ate position. &
W
W ARNING ARNING Risk of accident despite exit
wa rning
The exitwa rning neither reacts tostationa ry
objects nor topersons or road users
approaching you at a greatly di.ering speed.
The exitwa rning cannot warndrivers in these
situations. #
Always pay particular attention tothe
tra1c situation when opening the doors
and make sure there is su1cient clear-
ance. The
exitwa rning is only an aid and not a substi-
tute forth e attention of vehicle occupants. The
re sponsibility for opening and closing the doors and
for leaving theve hicle remains with theve hi-
cle occupants.
% Further information on Active Blind Spot
Assist with exitwa rning (/ page 255).
Block
Block ag
age det
e det ection when opening t
ection when opening t he fr
he front doors
ont doors
If an obstacle obstructs a door during the auto-
matic opening process, bloc kage detection will
stop the door. The automatic bloc kage detection
function is only an aid and is not a substitute for
yo ur attentiveness. #
Manually open a door stopped in an intermedi-
ate position.
* N NOOTE
TE Damage tothe con venience doo rs
despite bloc kage detection Blo
ckage de tection may not be able tostop
th e automatic opening process of the doors in
all cases. This can be the case in particular
with light, soT objects. #
Therefore, make sure that there is su1-
cient clearance next totheve hicle. A
A
ut
ut omatic rev
omatic rever
ersing function when closing t
sing function when closing t he
he
fr
fr ont doors
ont doors
The doors are equipped with automatic bloc kage
de tection with a reve rsing function. If an obstacle
stops a door during the automatic closing proc-
ess, it will automatically open again. The auto-
matic 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. &
W WARNING
ARNING Risk of becoming trapped
despite reve rsing function
The reve rsing function will not react:
R tosoT, light and thin objects, e.g. /n gers.
R towa rdsth e end of the closing process.
In these situations in particular, there ve rsing
function cannot pr event someone being trap-
ped. #
Make sure that no body parts are in the
closing area. #
If someone is trapped, use one of thefo l-
lowing options: Opening and closing
91
91

R
Press theÜ ors button on
th ekey.
R Driver's door: depress the brake
pedal.
R Pull the inner or outer door handles.
R Push against or pull the door.
R Touch theto uch screen in the con ve-
nience menu in the multimedia sys-
te m. Se
Se
tting conv
tting conv enience doors
enience doors Multimedia system:
4 © 5
Settings 5
Vehicle 5
Comfort #
Activate or deactivate Convenience doors.
Oper
Oper ating conv
ating conv enience doors
enience doors #
Select ´. #
Select Open door control.
The window for operating the doors opens.
The doors can be opened or closed byusing
th e slider. #
Select Cancel process.
The procedure is inter rupted and the door
re mains in the position it has reached. #
Select Close all .
All doors are closed simul taneous ly.
Se
Se tting t
tting t heke
he key function f
y function f or t
or the conv
he conv enience
enience
doors
doors #
Select ´. #
Select Key assignment.
Convenience opening, windows, opening
Front door, right and openingFront door, left
can be set separately for operation with the
key.
Door opening on appr
Door opening on appr oach oach #
Activate or deactivate the function.
When the function is activated, the driver's
door opens automatically when theve hicle is
approached. W
W
ar
ar ning of obst
ning of obst acles in t
acles in the door ar
he door ar ea
ea #
Activate or deactivate the function.
The vehicle warnsyo u of obstacles in the door
area with acoustic feedback and a graphic dis-
pla y. P
P
o
ow
w er closing function
er closing function &
W
WARNING
ARNING Risk of becoming trapped when
th e doors close automatically
Body parts or objects can become trapped,
causing injuries. #
Ensure that no body parts or objects are
in the closing area. #
Automatic closing of the doors can be
cancelled bypulling the outer or inner
door handle. If
yo u push the door into the lock tothe /rst
de tent position, the po wer closing function will
automatically pull the door into the loc k. 92 92
Opening and closing

#
T
To loc
o loc k t
k the r
he r ight-hand side of t
ight-hand side of t he v
he vehicle:
ehicle: turn
th e emer gency key anti-clockwise as far as it
will go.
If th e loc ked door is then closed, it can no longer
be opened from the outside. Boot
Boot
Opening t
Opening t
he boo
he boo t lid
t lid *
N
NOOTE
TE Damage tothe boot lid byobstacles
abo vetheve hicle The boot lid swings upwards when it is
opened. #
Therefore, make sure that there is su1-
cient clearance abo vethe boot lid. #
With th e boot lid unloc ked, press theto p of
th e Mercedes star. #
V
Vehicles wit
ehicles wit h HANDS-FREE A
h HANDS-FREE A CCESS:
CCESS:make a
kicking mo vement with your foot below the
bumper (/ page 98). V
V ehicles wit
ehicles wit h boo
h boot lid conv
t lid conv enience closing
enience closing #
Pull remo teoperating switch 1until the boot
lid opens.
or #
Press and hold theH button on thekey. #
Ifth e boot lid is stopped in an intermediate
position, pull it upwards. Release it as soon as
it begins toopen. #
With th e boot lid opening limiter activated,
manually pull the stopped boot lid upwards.
If an obstacle obstructs the boot lid during the
automatic opening process, bloc kage detection
will stop the boot lid. The automatic bloc kage
de tection function is only an aid and is not a sub-
stitute foryo ur attentiveness. Closing t
Closing t
he boo
he boot lid
t lid &
W
WARNING
ARNING Risk of injury from unsecured
items in theve hicle
If objects, lug gage or loads are not secured or
not secured su1cient ly,they could slip, tip
ov er or be thro wn around and thereby hit vehi-
cle occupants.
There is a risk of injur y,particular lyin the
eve nt of sudden braking or a sudden change
in direction. #
Always st owobjects in such a wayth at
th ey cannot be thro wn around. Opening and closing
95
95

#
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.
N
No ot
tes on closing t
es on closing t he boo
he boot lid:
t lid:your vehicle is
equipped with automatic keyre cognition. If a key
belonging totheve hicle is de tected in theve hicle,
th e boot lid will not be loc ked and will pop open
again.
No tethat the boot lid will not be loc ked if thefo l-
lowing situation occurs:
R You ha veloc kedth eve hicle and close the
boot lid while a key belonging totheve hicle is
inside theve hicle.
and
R A second key belonging totheve hicle is not
de tected outside theve hicle.
Au tomatic keyre cognition is only an aid and is not
a substitute foryo ur attentiveness. #
Before locking, ensure that at least one key
belonging totheve hicle is outside theve hicle. #
T
T o close t o close t he boo
he boot lid:
t lid:pullthe boot lid down-
wa rds using the handle recess and push it
closed.
% V
Vehicles wit
ehicles wit h boo
h boot lid conv
t lid conv enience closing:
enience closing: if
yo u lightly push the boot lid closed, the po wer
closing function will automatical lypull the
boot lid into the loc k.
V
V ehicles wit
ehicles wit h boo
h boot lid conv
t lid conv enience closing
enience closing &
W
WARNING
ARNING Risk of becoming trapped dur-
ing automatic closing of the boot lid
Pa rts of the body could become trapped.
There may be people in the closing area. #
Make sure that nobody is in the vicinity
of the closing area. #
Use one of thefo llowing options tostop
th e closing process:
R Press theH 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
Pull the boot lid handle. V
V
ehicles wit
ehicles wit h HANDS-FREE A
h HANDS-FREE A CCESS:
CCESS:it is also
possible tostop the closing process bymaking a
kicking mo vement below there ar bumper. #
Pull the boot lid handle. Release it as soon as
it begins toclose. #
Ifth e boot lid is stopped in an intermediate
position, push it down wards.
The boot lid will continue toclose. 96
96
Opening and closing

#
Push remo teoperating switch 1until the
boot lid is fully closed. #
Press closing button 1onthe boot lid.
V
V ehicles wit
ehicles wit h KEYLESS-GO
h KEYLESS-GO #
Press locking button 2onthe boot lid.
If a key is de tected outside theve hicle, the
boot lid will close and theve hicle will be
loc ked. #
With th e boot lid comple tely open, press and
hold theH button on thekey. Thekey must
be in the vicinity of theve hicle.
V
V ehicles wit
ehicles wit h HANDS-FREE A
h HANDS-FREE A CCESS
CCESS #
With th e boot lid comple tely open, make a
kicking mo vement with your foot below the
bumper (/ page 98).
Boo
Boo t lid aut
t lid aut omaticrev
omatic rever
ersing function
sing function
The boot lid is equipped with automatic bloc kage
de tection with a reve rsing function. If an obstacle
obstructs the boot lid during the automatic clos-
ing process, it will automatically open again. 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. &
W WARNING
ARNING Risk of becoming trapped
despite reve rsing function
The reve rsing function will not react:
R tosoT, light and thin objects, e.g. /n gers
R towa rdsth e end of the closing procedure Opening and closing
97
97