
Make sure
you obse rveth efo llowing informa‐
tion:
R Neverfit a rear wa rd-facing child restra int
sy stem tothe front passenger seat
R Alw aysfit a rear wa rd-facing child restra int
sy stem toa suitable rear seat
- Suitability of seats for attaching belt-
secured child restra int sy stems
(/ page 70)
- Secure thech ild restra int sy stem with the
seat belt on there ar seat (/ page72).
R Notes on rear wa rd-facing and forw ard-facing
ch ild restra int sy stems on the front
passenger seat (/ page74 ) Note
s onrear wa rd-facing and forw ard-facing
ch ild restra int sy stems on the front
passenger seat &
WARNING Risk of inju ryor death from
using a rear wa rd-facing child restra int
sy stem when the front passenger front
airbag is enabled
If yo u secure a child in a rear wa rd-facing
ch ild restra int sy stem on the front passenger
seat and thePA SSENGER AIR BAG OFF indi‐
cator lamp is off, the front passenger airbag
can deploy in theeve nt of an accident.
The child could be stru ck bythe airbag.
Alw ays ensure that the front passenger air‐
bag is disabled. The PASSENGER AIR BAG
OFF indicator lamp must be lit.
NEVER use a rear wa rd-facing child restra int
sy stem on a seat pr otected byan ENABLED
FRONT AIRB AGin front of it, DE ATH or SERI‐
OUS INJU RYtotheCH ILD can occur. Obser
vethe specific instructions forth ere ar‐
wa rd-facing and forw ard-facing child restra int
sy stems (/ page75). Wa
rning notice on the front passenger sun visor
Alw ays obser vethest atus of the front passenger
airbag on thePA SSENGER AIR BAG OFF indica‐
to r lamp:
R If it is absolutely necessary tofit a child
re stra int sy stem tothe front passenger seat,
alw ays obser vethe information on automatic
front passenger airbag shutoff (/ page 45).
R When using a rear wa rd-facing child restra int
sy stem on the front passenger seat, the front 74
Occupant saf ety

Child saf
ety loc ks Ac
tivating or deactivating the child saf ety
lock for the rear doors &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve 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 and be stru ck byoncoming traf‐
fi c.
R Ope rate ve hicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion, forex ample by:
R Releasing the parking brake.
R Changing the transmission position.
R Starting theve 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. #
Keep theve hicle key out of reach of
ch ildren. This also applies
tothe Digital Vehicle Key if the
"Digital Vehicle Key" function is activated via
Mercedes me connect. &
WARNING Risk offata l injury due to
ex posure toextreme heat or cold in the
ve hicle
If people –particularly children – are exposed
to extreme temp eratures over an extended
pe riod of time, there is a risk of serious or
ev en fata l injury! #
Never lea veanyone – pa rticularly chil‐
dren – unat tended in theve hicle. #
Never lea veanimals in theve hicle unat‐
te nded. &
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, in pa rticular:
R open doors, thereby endangering other
persons or road users
R get out and be stru ck byoncoming traf fic
R operate vehicle 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 tothe Digital Vehicle
Ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. 76
Occupant saf ety

Ve
hicles forth eUni ted Kingdom: obser vethe
impor tant sa fety no tes in the "No tes on the addi‐
tional door lock" section.
There are child saf ety loc ksforth ere ar doors
and there 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. #
Press the le ver in direction 1(activate) or
2 (deactivate). #
Make sure that thech ild saf ety loc ksare
wo rking properly.
Ac tivating or deactivating the child saf ety
lock for the rear side windo ws #
Toactivate/deacti vate:press button 2.
The rear side wind owcan be opened or
closed in thefo llowing cases:
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. Note
s on pets in theve hicle &
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 Occupant saf
ety77

Key
Overview of
key functions &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve 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 and be stru ck byoncoming traf‐
fi c.
R Ope rate ve hicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion, forex ample by:
R Releasing the parking brake.
R Changing the transmission position.
R Starting theve 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. #
Keep theve hicle key out of reach of
ch ildren. This also applies
tothe Digital Vehicle Key if the
"Digital Vehicle Key" function is activated via
Mercedes me connect.
* NO
TEDama getotheke y caused by
magnetic fields #
Keep theke yaw ay from strong mag‐
netic fields. 1
Locks
2 Indicator lamp
3 Unloc ks
4 Opens/closes theta ilgate
% If indicator lamp 2does not light up af ter
pressing theÜ orß button, the bat‐
te ry is dischar ged.
Re placing theke y bat tery ( / page 81).
The key loc ksand unlo cksth efo llowing compo‐
nents:
R the doors
R the fuel filler flap Opening and closing
79

#
Press release knob 2down fully and slide
co ver1 inthe direction of the ar row. #
Fold out co ver1 inthe direction of the
ar row and remo ve. #
Remo vebattery compartment 3and take
out the dischar ged batter y. #
Insert the new battery into battery compart‐
ment 3. Obser vethe positive pole marking
in the battery compartment and on the bat‐
te ry when doing this. #
Push in battery compartment 3.#
Re-attach co ver1 and push it until it
engages. 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 (/ page101). Un
locking/opening the doors from the inside #
United Kingdom onl y:obser vethe no tes on
th e additional door lock (/ page 82).82
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 the008B 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 Pull theta ilgate handle. #
Vehicles with HANDS-FREE ACCESS: it is
also possible tostop the closing process by
making a kicking mo vement below there ar
bumper. 88
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 the008B 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 90).
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 during
automatic closing, theta ilgate will automatically
open again slight ly.Au tomatic obstruction de tec‐
tion wi threve rsing function is only an aid. It is
not a substitute foryo ur attentiveness when you
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 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. Opening and closing
89

#
When closing, make sure that no body
parts are in the closing area.
If someone is trapped:
R press the008B button on theke y,or
R press or pull there mo teoperating switch
on the driver's door, or
R press the closing or locking button on the
ta ilgate, or
R Pull theta ilgate handle. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCESS you can open, close
or stop the closing process of theta ilgate by
per form ing a kicking mo vement under there ar
bumper.
The kicking mo vement triggers the opening or
closing process alternatel y. Obser
vethe no tes when opening (/ page87)
and closing (/ page 88)thetai lgate.
% Twowa rning tones sound when thetai lgate
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
TEVehicle damage due tounin ten‐
tional opening of theta ilgate 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 90
Opening and closing