R
modi/cations ha vebeen made tothe seat
belt tensioner, seat belt anchorage or seat
belt retractor
Seat belts may sustain non-visible damage in
an accident, e.g. due toglass splinters.
Modi/ed or damaged seat belts could tear or
fa il in theev ent of an accident, forex ample.
Modi/ed seat belt tensioners could acciden-
ta lly trigger or failto function as intended. #
Never modify the seat belt system, for
ex ample the seat belt, seat belt buckle,
seat belt tensioner, seat belt anchorage
and seat belt retractor. #
Make sure that the seat belts are undam-
aged, not wornand clean. #
Always ha vethe seat belts checked
immediately aTer an accident at a quali-
/ed specialist workshop. Mercedes-Benz
recommends that you use seat
belts which ha vebeen appr ovedfo ryo ur vehicle
by Mercedes-Benz. &
W
WARNI NG
ARNI NGRisk of injury or dea thfrom
deplo yedpy rotech nic seat belt tensioners
Pyro tech nic seat belt tensioners that ha ve
been deplo yed are no longer operational and
are unable toper form their intended pr otec-
tive function. #
Therefore, ha vedeplo yedpy rotech nic
seat belt tensioners immedia tely
re placed at a quali/ed specialist work-
shop. Mercedes-Benz
recommends that you ha vethe
ve hicle towe dto aqu ali/ed specialist workshop
aTer an accident.
* N
NO OTE
TE Damage caused bytrapping the
seat belt If an unused seat belt is not fully
retracted, it
may become trapped in the door or in the seat
mechanism. #
Always ensu rethat an unused seat belt
is fully retracted. F
F
ast
ast ening and adjus
ening and adjusting seat belts ting seat belts If
th e seat belt is pulled quickly or sharpl y,the
seat belt retractor loc ks. The seat belt strap can-
not be pulled out any fur ther. #
Always engage seat belt tongue 1ofthe seat
belt into seat belt buckle 2ofthe cor re-
sponding seat. Occupant saf
ety
47
47
Re
ar seats:
4 Window airbag
7 Side airbag
The installation location of an airbag is identi/ed
by the AIRB AGsymbol. An additional ar row sym-
bol Mindicates the installation location for cer-
ta in airbags.
When enabled, an airbag can pr ovide additional
pr otection forth ere specti ve vehicle occupant.
Po tential pr otection pr ovided byeach airbag:
R Knee airbag: thigh, knee and lo wer leg
R Driver's airbag, front passenger airbag: head
and ribcage R
Side airbag: ribcage, also pelvis for front seat
occupants
R Centre airbag: head and ribcage
R Window airbag: head
Inf
Inf or
ormation on c
mation on c hild r
hild res
estrtraint syst
aint syst ems on t
ems on t he fr
he front
ont
passeng
passeng er seat
er seat &
W
WARNI NG
ARNI NGRisk of injury or dea thifth e co-
driver airbag is enabled
If th e co-driver airbag is enabled, a child on
th e co-driver seat may be struck bythe co-
driver airbag during an accident.
NEVER use a rear wa rd-facing child restraint
system on a seat wi than ENABLED FRONT
AIR BAG; DEATH or SERIOUS INJURY tothe
CHILD ca n occur. When /tting a
child restraint system tothe front
passenger seat, obser vetheve hicle-speci/c infor-
mation (/ page 75). Also, alw ays obser vethe
no tes on rear wa rd-facing or forw ard-facing child
re straint systems on the front passenger seat
(/ page 74). Inf Inf
or
ormation on aut
mation on aut omatic fr
omatic front passeng
ont passeng er airbag
er airbag
shut
shut o.
o.
The front passenger airbag can only be deplo yed
in an accident if thePA SSENGER AIR BAG OFF
indicator la mpis o.. If the front passenger seat is
occupied, make sure, bo thbefore and during the
journe y,that the status of the front passenger air-
bag is cor rect (/ page 54).
* NO
NO TE
TEDeployment of components of the
re straint system when the front passenger
seat is unoccupied In an accident,
the components of the
re straint system ma y deployunnecessarily on
th e front passenger side if:
R There are heavy objects on the front
passenger seat.
R The seat belt tongue is engaged in the seat
belt buckle of the front passenger seat and
th e front passenger seat is unoccupied. #
Stow objects in a suitable place. #
Only one person should use each seat
belt at any one time. 50
50
Occupant saf
ety
&
W
W ARNI NG
ARNI NGRisk of injury due tomalfunc-
tioning sensors in the door
The function of the airbags can be impaired
due tomodi/cations or incor rect wo rkper-
fo rm ed on the doors or door trim, or if the
doors are damaged. #
Never modify the doors or parts of the
doors. #
Always ha veworkon the doors or door
trim car ried out at a quali/ed specialist
wo rkshop. &
W
W ARNING
ARNING Risk of injury due todeplo yed
airbag
A depl oyed airbag no longer o.ers any pr otec-
tion. #
Have theve hicle towe dto a quali/ed
specialist workshop in order tohave the
deplo yed airbag replaced. Ha
ve deplo yed airbags replaced immediatel y. S
S
t
tatus of t
atus of t he fr
he front passeng
ont passeng er fr
er front airbag
ont airbag F
F
unction of t
unction of t he aut
he automatic fr
omatic fr ont passeng
ont passeng er airbag
er airbag
shut
shut o.
o.
The automatic front passen ger airbag shuto. is
able todetect whe ther the front passenger seat is
occupied bya person or a child restraint system.
The front passenger airbag is enabled or disabled
acco rdingl y. &
W WARNI NG
ARNI NGRisk of injury or dea thdue to
objects under the co-driver seat
Objects trapped under the co-driver seat can
inter fere with the function of the automatic
co-driver airbag shuto. or damage the system. #
Do not store any objects under the co-
driver seat. #
When the co-driver seat is occupied,
make sure that no objects are trapped
under the co-driver seat. When /tting a
child restraint system tothe front
passenger seat, obser vetheve hicle-speci/c infor-
mation (/ page 75). Also, alw ays obser vethe
no tes on rear wa rd-facing or forw ard-facing child re
straint systems on the front passenger seat
(/ page 74).
A person on the front passenger seat must
obser vethefo llowing information:
R Fasten seat belts co rrectly (/ page 45).
R Sit in an almost upright seat position with their
back against the seat backrest.
R Sit with their feet resting on the 0oor, if possi-
ble.
The front passenger airbag may otherwise be dis-
abled bymistake, forex ample, in thefo llowing sit-
uations:
R The front passenger transfers their weight by
supporting themsel ves on a vehicle armrest.
R The front passen ger sits in such a wayth at
th eir weight is raised from the seat sur face. &
W
WARNING
ARNING Risk of injury or death due to a
disabled front passenger airbag
The front passenger airbag is disabled when
th ePA SSENGER AIR BAG OFF indicator la mp
is lit. Occupant saf
ety
53 53
Be su
retoalso obser vethefo llowing fur ther rela-
te d subjects:
R Child restraint system on the front passenger
seat (/ page 74)
R Suitable positioning of thech ild restraint sys-
te m (/ page 63) PRE-S
PRE-S
AFE
AFE®
®
syst
syst em
em F
F
unction of PRE-S
unction of PRE-S AFE
AFE®
®
(anticipat
(anticipat or
ory occupant
y occupant
pr ot
pr otection)
ection) PRE-SAFE
®
is able todetect cer tain critical driv-
ing situations and implement pre-em ptive meas-
ures toprotect theve hicle occupants.
PRE-SAFE ®
can implement thefo llowing meas-
ures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Closing the side windo ws.
R V
V ehicles wit
ehicles wit h sliding sunr
h sliding sunr oof:
oof:closing the slid-
ing sunroof. R
V
Vehicles wit
ehicles wit h memor
h memory function:
y function: movingthe
front passenger seat toa more favo urable seat
position.
R V
V ehicles wit
ehicles wit h multicont
h multicont our seat
our seat:
:increasing the
air pressure in the seat side bolsters of the
seat backrest.
R PRE-SAFE ®
Sound: pr ovided that the multime-
dia system is switched on, generating a brief
noise signal tostimula tethe innate pr otective
mechanism of a person's hearing.
* NO
NOTE
TEDamage caused byobjects in the
fo ot we ll or behind the seat The automatic adjustment of
the seat position
may result in damage tothe seat and/or the
object. #
Stow objects in a suitable place. R
R
e
e v
ver
er sing t
sing t he PRE-S
he PRE-S AFE
AFE®
®
syst
syst em measur
em measur es
es If an accident did not occur,
the pre-em ptive
measures that we re ta ken are reve rsed.
Yo u will need toper form certain settings yourself. #
Ifth e seat belt pre-tensioning is not reduced,
mo vethe seat backrest back slightl y.
The locking mechanism releases. F
F
unction of PRE-S
unction of PRE-S AFE
AFE®
®
PL
PL US (anticipat
US (anticipat or
ory occu-
y occu-
pant pr ot
pant pr otection plus)
ection plus) PRE-SAFE
®
PLUS can de tect cer tain impacts, par-
ticular lyan imminent rear impact, and take pre-
em ptive measures toprotect theve hicle occu-
pants. These measures cann otnecessarily pre-
ve nt an imminent impact.
PRE-SAFE ®
PLUS can implement thefo llowing
measures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Activating there ar hazard warning lights at a
higher 0ashing frequency.
R Increasing brake pressure when theve hicle is
stationar y.This brake application is cancelled
automatically when theve hicle pulls away.
If an accident did not occur, the pre-em ptive
measures that we re ta ken are reve rsed. Occupant saf
ety
57
57
Syst
Syst
em limits
em limits
The system will not initia teany action in thefo l-
lowing situations:
R when reve rsing
or
R when theve hicle is towing a trailer and there
is a risk of a rear impact
The system will not initiate any braking application
in thefo llowing situations:
R whilst driving
or
R when entering or exiting a parking space while
using Active Parking Assist F F
unction of PRE-S
unction of PRE-S AFE
AFE®
®
Im
Im pulse Side
pulse Side If an imminent side impact is de
tected, PRE-
SA FE®
Impulse Side can pre-em ptively mo vethe
front seat vehicle occupant's upper body towa rds
th e centre of theve hicle. It does this by rapidly
in0ating an air cushion in the outer seat side bol-
ster of the seat backrest on the side on which theimpact is anticipated. This increases
the distance
between the door and theve hicle occupant.
If PRE-SAFE ®
Impulse Side has been deplo yed or
is faulty, thePRE-SAFE impulse side inoperative
See Owner's Manual(/ page 425) display mes-
sage appears. A
A
ut
ut omatic measur
omatic measur es
esaTer
aTer an accident
an accident
Depending on the type and se verity of the acci-
dent, and depending on theve hicle's equipment,
th efo llowing measures can be implemented, for
ex ample:
R automatic braking (post-collision brake)
R activating the hazard warning lights
R triggering an automatic emer gency call
(/ page 355)
R switching o. the drive system and high-volt-
age on-board electrical system
R unlocking theve hicle doors
R lowe ring the side windo ws
R displaying the emer gency guide in the central
display R
switching on the interior lighting
F
F unction of t
unction of t he pos
he post-collision brt-collision br ake
ake
Depending on the accident situation, the post-col-
lision brake can minimise the se verity of a fur ther
collision or even avo id it.
If an accident is de tected, the post-collision brake
can implement automatic braking. When theve hi-
cle has come toa standstill, the electric parking
brake is automatically applied.
The driver can cancel automatic braking bytaking
th efo llowing actions:
R braking more strongly than automatic braking
R fully depressing the accelerator pedal with
fo rce 58 58
Occupant saf
ety
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
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
#
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