Alw
ays secure a child restra int sy stem cor‐
re ctly &
WARNING Risk of inju ryor death caused
by incor rect ins tallation of thech ild
re stra int sy stem
If th ech ild restra int sy stem is incor rectly
ins talled on a suitable seating position, it can‐
not per form its intended pr otective function.
In particular, thech ild cannot be restra ined in
th eev ent of an accident, heavy braking or a
sudden change of direction. #
Always comply with the manufacturer's
ins tallation instructions forth ech ild
re stra int sy stem and its cor rect use. #
Make sure that the entire base of the
ch ild restra int sy stem alw aysre sts on
th e sitting sur face of the seat. #
Never place objects, e.g. cushions,
under or behind thech ild restra int sys‐
te m. #
Always use child restra int sy stems with
th e original co ver designed forth em. #
Alwaysre place damaged co vers with
ge nuine co vers. &
WARNING Risk of inju ryor death due to
unsecured child restra int sy stems in the
ve hicle
If th ech ild restra int sy stem is not cor rectly
ins talled or secured, it could release, in par‐
ticular, in theeve nt of an accident, sudden
braking or a sudden change in direction.
The child restra int sy stem could be flung
around and hit vehicle occupants. #
Always ins tallch ild restra int sy stems
cor rectl y,eve n when not in use. #
Always comply with thech ild restra int
sy stem manufacturer's ins tallation
instructions. R
Always obser vethech ild restra int sy stem
manufacturer's ins tallation and operating instructions as
well as theve hicle-specific
information:
- Installth eLA TC H-type (ISOFIX) child
re stra int sy stem on there ar seat
(/ page 41).
- Secu rethech ild restra int sy stem with the
seat belt on there ar seat (/ page 42).
- Secure thech ild restra int sy stem with the
seat belt on the co-driver seat
(/ page 43). Obser vethe specific
instructions forth ere ar wa rd-facing and
fo rw ard-facing child restra int sy stems
(/ page 43).
R Obser vethewa rning labels in theve hicle
interior and on thech ild restra int sy stem.
R Also secure TopTe ther if present.
Do not modify thech ild restra int sy stem &
WARNING Risk of inju rydue tomodifica‐
tions tothech ild restra int sy stem
The child restra int sy stem may no longer
function as it is supposed toifyo u make mod‐
ifications or attach objects toit, e.g. toys or
unsuitable accessories. This poses an
increased risk of injury!
Ne ver modify thech ild restra int sy stem. Only
attach accessories which the manufacturer of
th ech ild restra int sy stem has authorized
especially forth is ch ild restra int sy stem. Only use
child restra int sy stems which are in
proper working condition &
WARNING Risk of inju ryor death caused
by the use of damaged child restra int
sy stems
Child restra int sy stems or their retaining sys‐
te ms that ha vebeen subjected toa load in an
accident may then not be able toper form
th eir intended pr otective function.
In particular, thech ild cannot be restra ined in
th eeve nt of an accident, heavy braking or a
sudden change of direction. #
Alwaysre place child restra int sy stems
immediately that ha vebeen damaged or
in vo lved in an ac cident. #
Have the securing sy stems forth ech ild
re stra int sy stems checked at a qualified
specialist workshop before ins talling a
ch ild restra int sy stem again. 38
Occupant saf ety
Av
oid direct sunlight &
WARNING Risk of bu rns when thech ild
seat is exposed todirect sunlight
If th ech ild restra int sy stem is exposed to
direct sunlight or heat, parts could heat up.
Children could suf fer burns from these parts,
particular lyon me tallic parts of thech ild
re stra int sy stem. #
Always make sure that thech ild
re stra int sy stem is not exposed todirect
sunlight. #
Protect it with a blank et,fo rex ample. #
Ifth ech ild restra int sy stem has been
ex posed todirect sunlight, allow it to
cool before secu ring a child into it. #
Never lea vechildren unat tended in the
ve hicle. Obser
vewhen stopping or parking &
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. &
WARNING Risk offata l injury due to
ex posure toextreme heat or cold in the
ve hicle
If people – particular lych ildren – are exposed
to extreme temp eratures over an extended
pe riod of time, there is a risk of serious or
eve nfa ta l injur y. #
Never lea veanyone – pa rticularly chil‐
dren – unat tended in theve hicle. #
Never lea veanimals in theve hicle unat‐
te nded. Occupant sa
fety 39
Overview of suitable seats in
theve hicle for in stalling a child restra int sy stem Securing sy
stems forch ild restra int sy stems Ve
hicle seat
Left/right rear seat
Preferred securing sy stem:
® LATC H-type (ISOFIX) child
seat securing sy stem
(/ page 41 )
¯ Ifav ailable, also secure with
To pTe ther (/ page 42) Alternative securing sy
stem:
R Seat belt on vehicle seat
Co-driver seat Securing system:
R Seat belt on vehicle seat
Center rear seat
Securing system:
R Seat belt on vehicle seat
¯ Ifav ailable, also secure with
To pTe ther (/ page 42) Ac
tivating/deactivating the special seatbelt
re tractor of the seat belt &
WARNING Risk of inju ryor death if a
seat belt is unfas tened while theve hicle
is in motion
If th e seat belt is released while theve hicle is
in motion, thech ild restra int sy stem is no lon‐
ge r cor rectly secu red. The child seat saf ety
fe ature is deactivated and the seat belt is
dr aw n in a bit bythe inertia reel.
It is therefore not possible toengage the seat
belt again. #
Pull over and stop theve hicle safely as
soon as possible, paying attention to
ro ad and traf fic conditions. #
Activate thech ild seat saf etyfe ature
again and cor rectly secu rethech ild
re stra int sy stem. Re
quirements
When enabled, the special seatbelt retractor
ensures that the seat belts on the co-driver seat
and there ar seats do not slac ken once thech ild
re stra int sy stem is secured.
The seat belts on thefo llowing seats are equip‐
ped with a special seatbelt retractor:
R Co-driver seat
R Rear seats Installing a
child restra int sy stem #
When ins talling a child restra int sy stem,
alw ays obser vethe manufacturer's ins talla‐
tion and operating instructions forth ech ild
re stra int sy stem used as well as the no tes in
th ese Operating Instructions. #
Pull the seat belt smoo thly from the seat belt
outlet. #
Enga gethe seat belt tongue in the seat belt
buckle.
Ac tivating the special seatbelt retractor #
Extend the seat belt fully and then allow the
inertia reel to retract the belt.
When the special seatbelt retractor is acti va‐
te d, you should hear a ratcheting sound. #
Push thech ild restra int sy stem down until the
seat belt is tight.
Deactivating the special seatbelt retractor #
Press there lease button of the seat belt
buckle. #
Hold the seat belt tongue and guide ba ckto
th e seat belt outlet. 40
Occupant saf ety
At
taching thech ild restra int sy stem with
LA TC H-type (ISOFIX) tothere ar seat Installing a
LATC H-type (ISOFIX) child
re stra int sy stem on there ar seat &
WARNING Risk of inju ryor death if the
permissible gross mass of thech ild and
ch ild restra int sy stem is exceeded
Fo rLA TC H-type (ISOFIX) child restra int sys‐
te ms in which thech ild is secured using the
integ rated seat belt in thech ild restra int sys‐
te m, the permissible gross mass of thech ild
and child restra int sy stem is 73lb (33 kg).
If th ech ild and thech ild restra int sy stem
to ge ther we igh more than 73 lb (33 kg),the
LA TC H-type (ISOFIX) child restra int sy stem
with integrated seat belt does not of fer suf fi‐
cient pr otection. An excessive load may be
placed on theLA TC H-type (ISOFIX) child seat
attachments and thech ild may not be
re stra ined in theeve nt of an accident, for
ex ample. #
Ifth ech ild and thech ild restra int sys‐
te m toge ther we igh more than 73 lb
(33 kg), use only a LATC H-type (ISOFIX)
ch ild restra int sy stem that secures the
ch ild with theve hicle seat belt. #
Also secure thech ild restra int sy stem
with theTo pTe ther belt, if available. Alw
ays comply with the information about the
mass of thech ild restra int sy stem:
R Inthe manufacturer's ins tallation and operat‐
ing instructions forth ech ild restra int sy stem
used
R On a label on thech ild restra int sy stem, if
av ailable
Check regularly that the permissible gross mass
of thech ild plus thech ild restra int sy stem is not
exc eeded.
When ins talling a child restra int sy stem, obser ve
th efo llowing:
0073 Alw
ays obser vethe cor rect use and sui tabil‐
ity of the seats for attaching a child restra int
sy stem.
0073 Alw
ays comply with the manufacturer's
ins tallation and operating instructions forthe
ch ild restra int sy stem used. 0073
Make sure
that thech ild's feet do not touch
th e front seat. If necessar y,mo vethe front
seat slightly forw ards.
® When ins talling a LATC H-type (ISOFIX) child
re stra int sy stem, also obser vethefo llowing:
0073 When using a category 0/0+ baby car
seat and a category I rear wa rd-facing
ch ild restra int sy stem on a rear seat: the
re ar seat must be ins talled in the direction of
tra vel.Ad just there ar seat and/or front seat
so that the front seat does not touch the
ch ild restra int sy stem.
0073 When using a category I
forw ard-facing
ch ild restra int sy stem: the backrest of the
ch ild restra int sy stem must, as far as possi‐
ble, lie flat against the backrest of theve hi‐
cle seat.
0073 Fo
r cer tain child restra int sy stems of weight
category II or III, there may be limitations for
th e maximum size setting, e.g. due topossi‐
ble con tact wi th thero of.
0073 The
child restra int sy stem must not be trap‐
ped between thero of and the seat and/or
twis ted when ins talled.
0073 The
child restra int sy stem must not be put
under stra in by the head restra ints. Adjust
th e head restra ints as appropriate. 1
LATC H-type (ISOFIX) mounting brac kets
Before every journe y,make sure that theLA TC H-
type (ISOFIX) child restra int sy stem is engaged
cor rectly in bo thmounting brac kets in theve hi‐
cle. Occupant saf
ety41
*
NO
TEBe careful not todamage the seat
belt forth e center seat when ins talling
th ech ild restra int sy stem #
Make sure that the seat belt is not trap‐
ped. #
Attach theLA TC H-type (ISOFIX) child restra int
sy stem toboth mounting brac kets 1 inthe
ve hicle. Securing
TopTe ther &
WARNING Risk of inju rydue toincor rect
attachment of theTo pTe ther belt
If yo u attach theTo pTe ther belt incor rectl y,
e.g. on an eyelet in the cargo compartment,
th ech ild restra int sy stem will not ha vebeen
secured cor rectly.
In an accident, it will therefore be unable to
pr ov ide the intended le vel of pr otection. #
Only ever attach theTo pTe ther hook to
th e designated TopTe ther anchorage. ¯
Ifth ech ild restra int sy stem is equipped
with a TopTe ther belt:
The risk of injury can be reduced byTo p
Te ther. The TopTe ther belt enables an
additional connection between thech ild
re stra int sy stem attached with LATC H-type
(ISOFIX) and theve hicle. To
pTe ther anchorages 1are located on the
back of there ar ben chseat on the bench seat
legs. #
If necessar y,mo vethe head restra int
upwards (/ page75). #
Installth eLA TC H-type (ISOFIX) child restra int
sy stem with TopTe ther. Comply with thech ild
re stra int sy stem manufacturer's ins tallation
instructions when doing so. #
Guide TopTe ther belt 3under the head
re stra int between the two head restra int bars. #
Hook TopTe ther hook 2into TopTe ther
anchorage 1without twisting. #
Tension TopTe ther belt 3. Comply with the
ch ild restra int sy stem manufacturer's ins talla‐
tion instructions when doing so. #
If necessar y,slide the head restra int down‐
wa rds (/ page75). Make sure that you do
not inter fere with the cor rect routing of To p
Te ther belt 3. Securing
thech ild restra int sy stem with the
seat belt Securing
thech ild restra int sy stem with the
seat belt on there ar seat
When ins talling a belt-secured child restra int sys‐
te m, obser vethefo llowing:
0073 Alw
ays comply with the manufacturer's
ins tallation and operating instructions forthe
ch ild restra int sy stem used.
0073 When using a category 0/0+ baby car
seat and a category I rear wa rd-facing
ch ild restra int sy stem on a rear seat:
adju stthe front seat so that the seat does
not touch thech ild restra int sy stem.
0073 When using a category I
forw ard-facing
ch ild restra int sy stem: remo vethe head
re stra int from there spective seat, if possi‐
ble.
Af terth ech ild restra int sy stem has been
re mo ved, replace the head restra ints imme‐
diately and adjust them cor rectly. 42
Occupant saf ety
0073
The backrest of
thefo rw ards- facing child
re stra int sy stem must, as far as possible,
re st on the backrest of there ar seat.
0073 Fo
r cer tain child restra int sy stems of weight
category II or III there may be limitations for
th e maximum size setting, e.g. due topossi‐
ble con tact wi th thero of.
0073 The
child restra int sy stem must not be ten‐
sioned between thero of and the seat cush‐
ion and/or be ins talled facing the wrong
direction. Where possible, adjust the seat
cushion inclination accordingly.
0073 The
child restra int sy stem must not be put
under stra in by the head restra int. Adjust the
head restra ints as appropriate.
0073 Make sure
that thech ild's feet do not touch
th e front seat. If necessar y,mo vethe front
seat slightly forw ards.
The seat belts on thefo llowing seats are equip‐
ped with a special seatbelt retractor:
R Co-driver seat
R Rear seats
When enabled, the special seatbelt retractor
ensures that the seat belts on the co-driver seat
and there ar seats do not slac ken once thech ild
re stra int sy stem is secured. (/ page 40).#
Installth ech ild restra int sy stem.
The base of thech ild restra int sy stem must
lie fully on the seat cushion of there ar 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 restra int sy stem.
The shoulder belt stra p must be routed for‐
wa rds and down wards from the seat belt out‐
let.
Note s onrear wa rd-facing child restra int sys‐
te ms
The co-d rive r front airbag cannot be disabled.
Alw ays ins tall a rear wa rd-facing child restra int
sy stem on a suitable rear seat, but ne ver on the
co-driver seat. Obser vethe manufacturer's ins tal‐
lation and operating instructions forth ech ild
re stra int sy stem used.
Note s on a child restra int sy stem on the co-
driver seat
Ac cident statistics show that children secured on
th ere ar seats are safer than children secured on
th e front seats. Forth is reason, Mercedes-Benz stro
ngly advises that you ins tall a child restra int
sy stem on a rear seat.
Securing thech ild restra int sy stem with the
seat belt on the co-d rive r seat
When ins talling a belt-secured child restra int sys‐
te m on the co-driver seat, alw ays obser vethefo l‐
lowing:
0073 Obser
vethe manufacturer's ins tallation and
operating instructions forth ech ild restra int
sy stem used.
0073 The backrest of a
forw ard-facing child
re stra int sy stem must, as far as possible, lie
fl at against the backrest of the co-driver
seat.
0073 Fo
r cer tain child restra int sy stems of weight
category II or III there may be limitations for
th e maximum size setting, e.g. due topossi‐
ble con tact wi th thero of.
0073 The
child restra int sy stem must not be ten‐
sioned between thero of and the seat cush‐
ion and/or be ins talled facing the wrong
direction.
0073 The
child restra int sy stem must not be put
under stra in by the head restra int. Adjust the
head restra ints as appropriate.
0073 Ne
ver place objects under or behind the
ch ild restra int sy stem, e.g. cushions.
The seat belt on the co-driver side is equipped
with a special seatbelt retractor.
When enabled, the special seatbelt retractor
ensures that the seat belt does not slac ken once
th ech ild restra int sy stem is secured
(/ page 40). #
Set the co-driver seat as far back as possible
and mo vethe seat into the highest position
possible. #
Fully retract the seat cushion dep thadjust‐
ment. #
Set the seat cushion angle in such a wayth at
th e front edge of the seat cushion is in the
highest position and there ar edge of the seat
cushion is in the lo west position. #
Set the seat backrest tothe most vertical
position possible. #
Installth ech ild restra int sy stem.
The base of thech ild restra int sy stem must
lie fully on the co-driver seat cushion. #
Always make sure that the shoulder belt strap
is cor rectly routed from the seat belt outlet of Occupant saf
ety43
th
eve hicle tothe shoulder belt guide on the
ch ild restra int sy stem.
The shoulder belt stra p must be routed for‐
wa rds and down wards from the seat belt out‐
let. #
If necessar y,adjust the seat belt outlet and
th e co-driver seat as appropriate. Child saf
ety loc ks Ac
tivating/deactivating child saf ety loc ksfor
th e 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. &
WARNING Risk offata l injury due to
ex posure toextreme heat or cold in the
ve hicle
If people – particular lych ildren – are exposed
to extreme temp eratures over an extended
pe riod of time, there is a risk of serious or
eve nfa ta l injur y. #
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 injury
due tochildren left unat tended in the
ve hicle
If ch ildren are tra veling 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 #
Always activate thech ild saf ety loc ks
ins talled if children are tra veling in the
ve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle. The
following doors ha vechild saf ety loc ks:
R Sliding doo rs
The child saf ety loc kson the doors secure each
door separatel y.The doors can no longer be
opened from the inside (e xception: electric slid‐
ing 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
sliding door controls in there ar compartment are
deactivated. The electric sliding door can be
opened at any time using the switch in the center
console Example: sliding door
child saf ety lock #
Slide child saf ety lock bolt 1toposition 0048
(activate) or 0049(deactivate). 44
Occupant saf ety
#
Make sure that thech ild saf ety loc ksare
wo rking properly. Note
s on pets in theve hicle &
WARNING Risk of accident and inju ry
due toanimals left unsecured or unat ten‐
ded in theve hicle
If yo u lea veanimals in theve hicle unattended
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
Un secured animals may be throw n around in
th eve hicle in theeve nt of an accident or sud‐
den steering and braking maneuver and injure
ve hicle occupants in the process. #
Never lea veanimals in theve hicle unat‐
te nded. #
Always cor rectly secu reanimals while
driving, forex ample using a suitable ani‐
mal car rier. Occupant saf
ety45