
R
Shifting the automatic transmission out
of park position jor shifting the manual
transmission into neutral.
R Starting the engine.
In addition, they may operate vehicle equip‐
ment. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tomobile phones if the
"Digital Car Key in the smartphone"
function is activated via the Mercedes
connect me web app. &
WARNING This poses an increased risk
of death due toheat strokeorexposure
to cold in theve hicle
If persons – particularly children – ‑ experi‐
ence prolonged exposure toextremely high
or low temp eratures, this poses a risk of
injury or evenfa ta l injur y. #
Never lea veanyone – pa rticularly chil‐
dren – unat tended in theve hicle. &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are tra velling in theve hicle, they
could:
R Open doo rs,th ereby endangering other
persons or road users.
R Get out of theve hicle and be hit by
oncoming traf fic.
R Ope rate ve hicle equipment and become
trapped, forex ample. #
Alw ays activate thech ild saf ety loc ks
ins talled if children are tra velling in the
ve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tomobile phones if the "Digital Car
Key in the smartphone"
function is activated via the Mercedes
connect me web app. Child saf
ety loc ksare available forth ere ar doors
and forth ere ar side wind ows.
The child saf ety lock on there ar doors secures
each door separatel y.The doors can no longer
be opened from the inside. 62
Occupant saf ety

#
Press the le ver in direction 1(acti vate) or
2 (deactivate). #
Make sure that thech ild saf ety loc ksare
wo rking properly.
Ac tivating/deactivating the child saf ety lock
fo r the rear side windo ws #
Toactivate/deacti vate:press button 2.
Opening/closing the side window in there ar
is possible:
R With indicator lamp 1lit: via the switch
on the driver's door.
R With indicator lamp 1off: via the switch
on the cor responding rear door or driv‐
er's door. Pe
ts in the vehicle &
WARNING Risk of accident and inju ry
due toanimals left unsecured or unat‐
te nded in theve hicle
If yo u lea veanimals in theve hicle unatten‐
ded or unsecured, they could possib lypress
down buttons or switches.
Thereby an animal may:
R activate vehicle equipment and become
trapped, forex ample
R swit chsystems on or off and endanger
ot her road users Uns
ecured animals may be throw n around in
th eve hicle in theeve nt of an accident or
sudden steering and braking manoeuvres
and injure vehicle occupants in the process. #
Never lea veanimals in theve hicle unat‐
te nded. #
Alw ays cor rectly secu reanimals while
driving, e.g. using a suitable animal car‐
ri er. Occupant saf
ety63

Key
Overview of
key functions &
WARNING ‑ Thereis a risk of accident
and injury if you lea vechildren unat ten‐
ded in theve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment.
Moreo ver,th ech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake
R shifting the automatic transmission out of
park position P jor shifting manual
transmission into idle position.
R starting the engine. #
Never lea vechildren or animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. *
NO
TEDama getotheke y caused by
magnetic fields #
Keep theke yaw ay from strong mag‐
netic fields. 1
Locks
2 Battery check lamp
3 Unloc ks
4 Opens/closes the boot lid
The key loc ksand unlo cksth efo llowing compo‐
nents:
R The doors
R The boot lid
R The fuel filler flap
If yo u do not open theve hicle within appr ox‐
imately 40 seconds af ter unlocking:
R The vehicle is loc ked again. 64
Opening and closing

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

#
Tounlo ck:turn the emer gency key anti-
clo ckwise toposition 1. #
Tolock: turnthe emer gency key clo ckwise to
position 1.
% Right-hand drive vehicles: turnthe emer‐
ge ncy key in the opposite direction in each
case. #
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. *
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: #
Pull the boot lid handle. #
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. #
Press and hold thep button on thekey. Opening and closing
73

#
Pull boot lid remo teoperating switch 1.#
Vehicles with HANDS-FREE ACCESS: use
yo ur foot to kick under the bumper
(→ page 76).
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 flung 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 aysst ore objects in such a wayth at
th ey cannot be flung 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
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
Pull the boot lid 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.
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: pullthe boot lid handle. #
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). 74
Opening and closing

#
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. #
Vehicles with HANDS-FREE ACCESS: use
yo ur foot to kick below the bumper
(→ page 76).
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. Opening and closing
75

R
Press the closing or locking button
on the boot lid.
R Pull the boot lid handle. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCESS you can open, close
or stop the closing process of the boot lid byper
form ing a kicking mo vement under there ar
bumper.
The kicking mo vement triggers the opening or
closing process alternately.
Obser vethe no tes when opening (→ page73)
and closing (→ page74)th e 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
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 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. 76
Opening and closing