*
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 cannot be
pulled out any fur ther. #
Always engage seat belt tongue 2ofthe seat
belt into seat belt buckle 1ofthe cor re-
sponding seat. #
Press and hold the seat belt outlet release and
slide seat belt outlet 3into the desired posi-
tion. #
Let go of the seat belt outlet release and
ensure that seat belt outl et3 locksinto posi-
tion.
% Only a seat belt which is worncor rectly can
pr ov ide the intended le vel of pr otection.
Obser vethe no tes on fastening the seatbelt
(/ page 30).
* NO
NOTE
TEDeployment of components of the
re straint system when the front passenger
seat is unoccupied and a seat belt is buc k-
led When
the front passenger seat is unoccupied
and the seat belt tongue of the seat belt is
engaged in the seat belt buckle, components
of there straint system may depl oyunnecessa- ri
ly on the front passenger side, e.g. the seat
belt tensioner. #
Only buckle the seat belts as intended. %
Obser vethe no tes on st owage areas
(/ page 214).
Information on /tting a child restraint system
and on children tr avelling in theve hicle can be
fo und in the "Children in theve hicle" section
(/ page 41). Seat belt adjus
Seat belt adjustment function
tment function V
V
ehicles wit
ehicles wit h PRE-S
h PRE-S AFE
AFE®
®
:
:aTer a front seat belt
has been fastened, the automatic seat belt adjust-
ment may apply a cer tain tightening forc e. Do not
hold onto the seat belt while it is adjusting.
Yo u can activate and deactivate the seat belt
adjustment function using the multimedia system
(/ page 32). A
A
ctiv
ctiv ating or deactiv
ating or deactiv ating t
ating the seat belt adjus
he seat belt adjustment tment
using t
using t he multimedia syst
he multimedia syst em
em Multimedia system:
4 © 5
Settings 5
Vehicle #
Activate or deactivate Belt adjustment. R
R
eleasing t
eleasing t he seat belts
he seat belts #
Press there lease button in the seat belt buckle
and guide the seat belt back with the seat belt
to ngue. F
F
unction of t
unction of t he seat belt w
he seat belt w ar
arning syst
ning syst em f
em for dr
or dr iv
iver
er
and co-dr
and co-dr iv
iver
er The
ü seat belt warning lamp in the Instrument
Display is a reminder that all vehicle occupants
must weartheir seat belts cor rectl y.
A wa rning tone may also sound.
The seat belt warning goes out when the driver and
co-driver fasten their seat belts.
Only for cer tain countries: rega rdless of whe ther
th e driver's and co-driver's seat belts are already
fa stened, theü seat belt warning lamp lights
up for six seconds everytime theve hicle is
switched on. ATer theve hicle is star ted, it goes
out as soon as the driver's and the co-driver's seat
belts ha vebeen fastened. 32
32
Occupant sa
fety
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 pr
y occupant pr o-
o-
t
t ection)
ection) PRE-SAFE
®
can de tect cer tain hazardous situa-
tions and take pre-em ptive measures topro tect
th eve hicle occupants.
PRE-SAFE ®
can implement thefo llowing measures
independently of each other:
R Tightening the seat belts on the driver's seat
and co-driver seat.
R Closing the side windo ws.
R V
V ehicles wit
ehicles wit h a sliding sunr
h a sliding sunr oof:
oof:closing the slid-
ing sunroof.
R V
V ehicles wit
ehicles wit h memor
h memory function:
y function: adjustingthe
co-driver seat toa more favo urable seat posi-
tion.
* 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
ev
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 meas-
ures that we re ta ken are reve rsed.
Yo u will need tomake cer tain adjustments your-
self. #
Ifth e seat belt pre-tensioning is not reduced,
mo vethe seat backrest back slightl y.
The locking mechanism releases. 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 activating the hazard warning lights
R triggering an automatic emer gency call
(/ page 236)
R switching o. the engine
To restart theve hicle, switch the ignition o.
and switch it back on (/ page 136). Depend-
ing on the type and se verity of the accident, it may possible
that theve hicle can no lon ger be
star ted.
R switching o. the fuel supply
R unlocking theve hicle doors
R lowe ring the front side windo ws
R switching on the interior lighting Saf
Saf
el
ely tr
y tr anspor
anspor ting c
ting childr
hildren in t
en in t he v
he vehicle
ehicle Alw
ay
Alw ays observ
s observ e when c
e when c hildr
hildren ar
en ar e trav
e tr avelling in t
elling in t he
he
v
v ehicle
ehicle %
Always obser vethe saf ety no tesre leva nt to
th e situation. In doing so, you will be able to
identify possible risks and avoid dangers when
ch ildren are tr avelling in theve hicle
(/ page 39).
Be dilig
Be dilig ent
ent
Bear in mind that negligence when securing a child
in thech ild restraint system may ha veserious con-
sequences. Alw ays be dili gent and secure a child
carefully before each journe y.
Infants and children must ne ver tr avel sitting on
th e lap of a vehicle occupant.
To impr oveprotection forch ildren younger than 12
ye ars old or under 1.50 m in height, Mercedes-
Benz recommends you obser vethefo llowing infor-
mation:
R Always secure thech ild in a child restraint sys-
te m suitable forth is Mercedes-Benz vehicle.
R The child restraint system must be appropria te
to the age, weight and size of thech ild.
R The vehicle seat must be suitable for /tting a
ch ild restraint system (/ page 41).
Ac cident statistics show that children secured on
th ere ar seats are generally sa ferth an children
secured on the front seats. Forth is reason,
Mercedes-Benz st rongly advises that you /t a child
re straint system toare ar seat.
The g
The g ener
eneric t
ic ter
erm c
m c hild r
hild r es
es tr
traint syst
aint syst em
em
The generic term child restraint system is used in
th is set of Operating Instructions. A child restraint
system is, forex ample:
R a baby car seat
R are ar wa rd-facing child seat
R afo rw ard-facing child seat
R ach ild booster seat with a backrest and seat
belt guides 38
38
Occupant saf
ety
th
e status of the co-driver airbag is cor rect
fo rth e cur rent situation (/ page 36).
R Obser vethewa rning labels in theve hicle inte-
ri or and on thech ild restraint system.
R Also secu reTopTe ther if present.
Do no
Do no t modify t
t modify t he c
he child r
hild r es
estr traint syst
aint syst em
em &
W
WARNING
ARNING Risk of injury due tomodi/ca-
tions tothech ild restraint system
The child restraint system can no longer func-
tion prope rly. This poses an increased risk of
injur y. #
Never modify a child restraint system. #
Onlya1x accessories which ha vebeen
specially appr ovedfo rth is ch ild restraint
system bythech ild restraint system's
manufacturer. Mercedes‑Benz
recommends Mercedes-Benz care
products for cleaning child restraint systems rec-
ommended byMercedes-Benz.
Onl
Onl y use c
y use c hild r
hild res
estrtraint syst
aint syst ems whic
ems whic h ar
h are in
e in
pr
pr oper w
oper w or
orking condition
king condition &
W
WARNI NG
ARNI NGRisk of injury or dea thcaused
by the use of damaged child restraint sys-
te ms
Child restraint systems or their reta ining sys-
te ms that ha vebeen subjected tostress in an
accident may not be able toper form their
intended pr otective function.
It may be the case that thech ild cannot be
proper ly restrained. #
Always immediately replace child
re straint systems that ha vebeen dam-
aged or in volved in an accident. #
Have the securing systems forth ech ild
re straint systems checked at a quali/ed
specialist workshop before ins talling a
ch ild restraint system again. A
A
v
void dir
oid dir ect sunlight
ect sunlight &
W
WARNING
ARNING Risk of bu rns when thech ild
seat is exposed todirect sunlight
If th ech ild restraint system is exposed to
direct sunlight or heat, parts could heat up.
Children could su.er burns from these parts,
particular lyon me tallic parts of thech ild
re straint system. #
Always make sure that thech ild restraint
system is not exposed todirect sunlight. #
Protect thech ild restraint system wi th a
blank et,fo rex ample. #
Ifth ech ild restraint system has been
ex posed todirect sunlight, allow it to
cool before securing a child into it. #
Never lea vechildren unattended in the
ve hicle. Observ
Observ
e when st
e when st opping or par
opping or par king
king &
W
WARNING
ARNING Risk of accident and injury due
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R getout and be struck byoncoming tra1c.
R operate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. Ov
Ov
er
ervie
vie w of r
w of r ecommended c
ecommended c hild r
hild res
estrtraint syst
aint syst ems
ems %
Further information on the cor rect child
re straint system can be ob tained at a quali/ed
specialist workshop. Mercedes-Benz recom-
mends that you use a Mercedes-Benz Service
Centre forth is purpose. 40
40
Occupant saf
ety
O
Thechild restraint system must not be put
under strain bythe head restraint. Adjust the
head restraints as appropria te.
O Never place objects (e.g. cushions) under or
behind thech ild restraint system. &
W
WARNING
ARNING Risk of injury or death due to
objects between the seat sur face and the
ch ild restraint system
Objects between the seat sur face and the
ch ild restraint system could a.ect the function
of the automatic front passenger airbag shut-
o.. #
Do not place any objects between the
seat sur face and thech ild restraint sys-
te m. #
Always make sure that thech ild restraint
system is co rrectly /t ted. #
Set the co-driver seat as far back as possible
and mo vethe seat into the highest position
possible. #
Set the seat backrest tothe most vertical posi-
tion possible. #
Install thech ild restraint system.
The entire base of thech ild restraint system
must al ways rest on the sitting sur face of the
co-driver seat. #
Always make sure that the shoulder belt strap
is cor rectly routed from the seat belt outlet of
th eve hicle tothe shoulder belt guide on the
ch ild restraint system.
The shoulder belt strap must be routed for-
wa rds and down wards from the seat belt out-
let. #
If necessar y,adjust the seat belt outlet and the
co-driver seat as appropriate. Child safe
Child safe
ty locks
ty loc ks A
A
ctiv
ctiv ating or deactiv
ating or deactiv ating c
ating child safe
hild safe ty lock
ty locks f
s for t
or t he
he
sliding doors
sliding doors &
W
WARNING
ARNING Risk of accident and injury due
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R getout and be struck byoncoming tra1c.
R operate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. &
W
WARNING
ARNING Risk offatal injury due toexpo-
sure toextreme heat or cold in theve hicle
If persons, particular lych ildren, are subjected
to prolonged exposure tointense heat or cold,
th ere is a risk of se vere injury or even death. #
Never lea vepersons, particular lych il-
dren, unattended in theve hicle. &
W
WARNING
ARNING Risk of accident and injury due
to children leT unattended in theve hicle
If ch ildren are tr avelling in theve hicle, they
could, in particular:
R open doors, thereby endangering other
persons or road users
R getout and be struck byoncoming tra1c
R operate vehicle equipment and become
trapped, forex ample #
Always activate thech ild saf ety loc ks
installed if children are tr avelling in the
ve hicle. Occupant saf
ety
49
49
#
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. The
following doors ha vechild saf ety loc ks:
R sliding doors
R pop-out wind ows
The child saf ety loc kson the doors secure each
door separatel y.The doo rscan no longer be
opened from the inside (e xception: electric sliding
door). When theve hicle is unloc ked, the door can
be opened from the outside.
If th e electric sliding door is secured, only the slid-
ing door controls in there ar are deacti vated. The
electric sliding door can be opened at any time
using the switch in the centre console. #
Slide child saf ety lock bolt 1toposition 2
(activate) or 3(deactivate). #
Make sure that thech ild saf ety loc ksare work-
ing proper ly. A
A
ctiv
ctiv ating or deactiv
ating or deactiv ating c
ating child safe
hild safe ty lock
ty locks f
s for
or
hing
hing ed windo ws
ed windo ws #
T
To activ
o activ at
ate and deactiv
e and deactiv at
ate:
e: press button 1.
If th e indicator lamp on button 1is lit, opera-
tion of the electrical hinged windo wsis disa-
bled. Operation is then only possible using the
buttons in the driver's door. N
No
ot
tes on pe
es on pe ts in t
ts in the v
he vehicle
ehicle &
W
WARNING
ARNING Risk of accident and injury due
to animals leT unsecured or unat tended in
th eve hicle
If yo u lea veanimals in theve hicle unat tended
or unsecured, they could press buttons or
switches, for instance.
An animal ma y:
R activate vehicle equipment and become
trapped, forex ample
R switch systems on or o. and endanger
other road users
Unsecured animals may be thro wn about the
ve hicle in theev ent of an accident, or sudden
steering and braking manoeuvres, and injure
ve hicle occupants. #
Never lea veanimals unat tended in the
ve hicle. #
Always cor rectly secure animals while
driving, e.g. using a suitable animal car-
ri er. 50 50
Occupant saf
ety
K
K
e
ey
y Ov
Ov
er
ervie
vie w of ke
w of key functions
y functions &
W
WARNING
ARNING Risk of accident and inju rydue
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R getout and be struck byoncoming tra1c.
R operate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. &
W
WARNING
ARNING Risk of accident due tothekey
inadver tently turning in the ignition lock
If heavy or lar geobjects are attached tothe
ke y,theke y can inadver tently turn in the igni-
tion loc k. #
Do not attach lar geor heavy objects to
th ekey. #
Remo vetheke y from a bulky bun chof
ke ys before inserting it into the ignition
loc k. *
N
NO
OTE
TE Damage totheke y caused bymag-
netic /elds #
Keep theke yaw ay from strong magnetic
/elds. Ke
y (e xamp le:vehicles with an EAS Y-PA CK tailgate
and/or rear wind owwhich can be opened sepa-
ra tely)
1 Indicator lamp
2 Toopen or close the EAS Y-PA CK tailgate, or to
unlock there ar wind owwhich can be opened
separately
3 Tolock theve hicle cent rally
4 Tounlock the EAS Y-PA CK tailgate and sliding
doors, or tounlock and open/close the elec-
tric sliding door
5 Emer gency key
6 Tounlock theve hicle cent rally or only the driv-
er's door
% Ifyo u do not open theve hicle within appr ox-
imately 40 seconds of unlocking, theve hicle
will lock again and anti-theT pr otection will be
primed again.
Do not keep theke yto get her with elect ronic devi-
ces or me tallic objects. This can a.ect theke y's
functionalit y.
% Ifth e indicator lamp does not light up when
yo u press the% or& button, the bat-
te ry is dischar ged.
Re place theke y battery (/ page 52). A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the acous
he acous tic loc
tic locking
kingv
ver
er i/-
i/-
cation
cation signal
signal Multimedia system:
4 © 5
Settings 5
Vehicle #
Activate or deactivate Acoustic lock.
% Please not
Please not e:
e: Opening and closing
51
51
The selected setting
forth e acoustic locking
ve ri/cation signal must comply with the appli-
cable national road tra1c rules. In some coun-
tries, including German y,using the acoustic
locking veri/cation signal is forbidden bytraf-
fi c la ws(in accordance with §16 Para. 1 and
§30 Para. 1 of the German national road traf-
fi c re gulations). The driver of theve hicle must
ensu recompliance with these regulations. In
countries whe rethe use of this function is for-
bidden, this function is not activated in the
ve hicle and must not be activated. Changing t
Changing t
he unloc
he unlocking se
king settings
ttings The
key has thefo llowing adjustable unlocking
functions:
R unlock centrally
R unlock the driver's door #
T
To switc
o switc h be
h betw
tween se
een se ttings:
ttings: press and hold the
% and& buttons at the same time for
appr oximately six seconds until the indicator
lamp 0ashes twice. #
T
To unloc
o unloc k t
k the v
he v ehicle centr
ehicle centr all
ally when t
y when t he
he
unloc
unloc king function is select
king function is select ed f
ed for t
or the dr
he dr iv
iver's
er's
door
door :
:press the% button a second time. R
R
emo
emo ving and inser
ving and inser ting t
ting t he emerg
he emerg encykey
ency key %
The anti-theT ala rmsystem (A TA) is triggered
when you unlock and open theve hicle using
th e emer gency key (/ page 68). #
T
To r
o r emov
emov e:
e:push release catch 1inthe direc-
tion of the ar row and simultaneously pull emer-
ge ncy key2 comple tely out of thekey. #
T
To insert
o insert: :push emer gency key2 comple tely
into theke y until it engages and release catch
1 is back in its initial position. R
R
eplacing t
eplacing t heke
he key batt
y batt ery
ery &
D
DAN
AN GER
GER Risk of fata l injuries due toswal-
lowing batteries
Bat teries contain toxic and cor rosive subs tan-
ces. Swall owing batteries may cause se vere
internal burns tooccur within two hours.
There is a risk of fatal injur y. #
Keep batteries out of there ach of chil-
dren. #
Ifth e battery compartment does not
close securel y,do not use theke y any
lon ger and keep it out of there ach of
ch ildren. #
If batteries are swallo wed, seek medical
attention immediatel y. +
ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmen tal
damage due toimproper disposal of bat-
te ries Batteries contain pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmentally responsible manner.
Ta ke dischar ged batteries toaqu ali/ed
specialist workshop or toa collection
point for used batteries. R
R
eq
eq uir
uir ements
ements
R youre qu ire a CR 2025 3 V cell battery
Changing t
Changing t he batt
he battery
ery
Mercedes-Benz recommends that you ha vethe
battery changed at a quali/ed specialist workshop. #
Remo vethe emer gency key (/ page 52). 52
52
Opening and closing
#
Press eme rgency key2 into the opening in
th eke y in the direction of the ar row until bat-
te ry compartment co ver1 opens. When
doing so, do not hold battery compartment
co ver1 shut. #
Tapth eke y against the palm of your hand so
th at battery 3falls out of the battery com-
partment. #
Insert the new battery into the battery tr ay
with the positive pole facing upwards. Use a
lint-f ree clo thtodo so. #
Fit battery compartment co ver1 tothekey
casing with the front lugs /rst and push it
closed. #
Slide emer gency key2 back in tothekey
( / page 52). R
R
ectifying pr
ectifying pr oblems wit
oblems with t
h the key
he key It is no long
It is no long
er possible t
er possible t o loc
o lock t
k the v
he v ehicle using t
ehicle using t he
he
key.
key.
Po ssible causes:
R The doors are not closed proper ly.
R The central locking system has malfunctioned. #
Close the doors proper lyand lock theve hicle
again. #
Lock theve hicle using the emer gency key
( / page 52) or press down the locking pins
and then close the doors. #
Have the central locking system checked as
soon as possible at a quali/ed specialist work-
shop.
Y
Y ou can no long ou can no long er loc
er lock or unloc
k or unloc k t
k the v
he v ehicle.
ehicle.
Po ssible causes:
R The key battery is weak or dischar ged.
R The key is faulty. #
Check the battery using the indicator lamp and
re place the batter y,if necessary (/ page 51). #
Use the emer gency key element tolock and
unlock theve hicle (/ page 52). #
Have theke ych ecked at a quali/ed specialist
wo rkshop. The v
The v
ehicle will no
ehicle will no t st
t star
art wit
t wit h t
h the key.
he key.
Po ssible causes:
R The on-board elect rical system voltage is too
lo w. #
Switch o. all non-essential consume rs, such
as interior lighting, and try tostart theve hicle
again.
If th is does not work: #
Check the star ter battery and charge it, if nec-
essary (/ page 240).
or #
Jump-start theve hicle.
or #
Consult a quali/ed specialist workshop.
Y
Y ou hav
ou hav e los
e lost akey.
t a key. #
Have theke y deactivated at a quali/ed special-
ist workshop. #
Report the loss immediately totheve hicle
insu rers. #
If necessar y,ha ve the loc kschanged as well. Doors
Doors
U
Unloc
nloc king and opening t
king and opening t he door fr
he door from inside
om inside Door handle (e
xample: driver's door) #
Pull door handle 2.
Saf ety pin 1pops up when the door is
unloc ked. Opening and closing
53
53