2018 MERCEDES-BENZ E-CLASS CABRIOLET Owner's Manual

00BBIfth e seat belt pre-tensioning is not reduced,
mo vethe seat backrest back slightl y.
The locking mechanism releases.
Fu nction of PRE-SAFE®PLUS (anticipatory
occupant pr otection plus)
PRE- SAFE®PLUS can de tect cer tain impacts,
particular lyan imminent rear impact, and take
pre-em ptive measures toprotect theve hicle
occupants. These measures cannot necessarily
pr eve nt an imminent impact.
PRE-SAFE
®PLUS can implement thefo llowing
measures independently of each other:
RTightening the seat belts on the driver's seat
and front passenger seat.
RInc reasing brake pressure when theve hicle
is stationar y.This brake application is can‐
celed automatically when theve hicle pulls
aw ay.
If an accident did not occur, the pre-em ptive
measures that we retake n are reve rsed. Sy
stem limitations
The sy stem will not initiate any action in thefo l‐
lowing situations:
Rwhen reve rsing
The sy stem will not initiate any braking applica‐
tion in thefo llowing situations:
Rwhilst driving
or
Rwhen entering or exiting a parking space
while using Active Parking Assist
Children in theve hicle
Note s onthe safe transportation of children
0071
WARNING Risk of accident and injury
due tochildren left unatte nded inthe
ve hicle
If yo u lea vechildren unaccompanied in the
ve hicle, they may be able toset theve hicle in
motion, forex ample by:
RRe leasing the parking brake.
RShifting the transmission out of park
position 005D.
RStarting the engine.
In addition, they may operate vehicle equip‐
ment.
00BBNe ver lea vechildren and animals unat‐
te nded in theve hicle.
00BBWhen leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
Occupant saf ety 47

0071WARNING Risk offata l injury due to
ex posure toextreme heat or cold in the
ve hicle
If people – particularly children – are
ex posed toextreme heat or cold over an
ex tended pe riod of time, there is a risk of
injury or evenfa ta l injur y.
00BBNever lea veanyone – pa rticularly chil‐
dren – unatte nded intheve hicle.
0071
WARNING Risk of burn s whenthech 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,
particularly on me tallic parts of thech ild
re stra int sy stem.
00BBAlw ays make sure that thech ild
re stra int sy stem is not exposed to
direct sunlight.
00BBPr otect it with a blank et,fo rex ample.
00BBIfth ech ild restra int sy stem has been
ex posed todirect sunlight, allow it to
cool before securi ng achild into it.
00BBNe ver lea vechildren unatte nded inthe
ve hicle.
The use of seat belts and child restra int sy stems
is requ ired bylaw in:
RAll 50 states
RThe U.S. territories
RThe District of Columbia
RAll Canadian pr ovinces
All child restra int sy stems must meet thefo llow‐
ing standards:
RU. S. Federal Mo torVe hicle Saf etySt andards
21 3 and 225
RCanadian Mo torVe hicle Saf etySt andards
21 3 and 210.2
Yo u can obtain fur ther information about the
cor rect child restra int sy stem from any author‐
ized Mercedes-Benz Center. To
impr oveprotection forch ildren younger than
12 years old or under 5 ft(1.50 m) in height,
Mercedes-Benz recommends you observ eth e
fo llowing information:
ROnly secure children using a child restra int
sy stem which is appropriate tothe height,
age and weight of thech ild and suitable for
Mercedes-Benz vehicles. Be sure toobser ve
th e instructions for cor rect use of thech ild
re stra int sy stem.
RAlw ays ins tall a child restra int sy stem on a
re ar seat if possible.
ROnly usethefo llowing securing sy stems for
ch ild restra int sy stems:
-th e seat belt sy stem
-th eLA TC H-type (ISOFIX) mounting brack‐
et s
-th eTo pTe ther anchorages
RThe manufacturer's ins tallation instructions
fo rth ech ild restra int sy stem.
RThe warning labels in theve hicle interior and
on thech ild restra int sy stem.
48
Occupant saf ety

0071WARNING Risk of injury or 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
cannot per form its intended pr otective func‐
tion.
The child cannot be restra ined in theeve nt of
an accident, heavy braking or a sudden
ch ange of direction.
00BBAlw ays comply with the manufacturer's
ins tallation instructions forth ech ild
re stra int sy stem and its cor rect use.
00BBMake surethat the entire base of the
ch ild restra int sy stem alw aysre sts on
th e sitting sur face of the seat.
00BBNe ver place objects under or behind
th ech ild restra int sy stem, e.g. cush‐
ions.
00BBAlw ays use child restra int sy stems with
th e original co ver designed forth em.
00BBAlw aysre place damaged co vers with
ge nuine co vers.
0071
WARNING Risk of accident caused by
incor rectly ins talled child restra int sys‐
te ms
If th ech ild restra int sy stem is not cor rectly
ins talled or secured, it could release in the
ev ent 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. This poses
an increased risk of injury or even fata l
injur y.
00BBAlways ins tallch ild restra int sy stems
cor rectl y,eve n when not in use.
00BBAlw ays comply with thech ild restra int
sy stem manufacturer's ins tallation
instructions.
0071 WARNING Risk of injury or 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 subjec tedto a load in
an accident may then not be able toper form
th eir intended pr otective function.
The child cannot be restra ined in theeve nt of
an accident, heavy braking or a sudden
ch ange of direction.
00BBAlw aysre place child restra int sy stems
immediately that ha vebeen damaged or
in vo lved in an accident.
00BBHa ve 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.
A boos ter seat may be necessary toachie ve
proper seat belt positioning forch ildren over
40 lbs (18 kg) in weight or until they reach a
height where a thre e-point seat belt can be
ins talled proper lywithout a boos ter seat.
The following no tes must be obser ved:
RWhen ins talling a child restra int sy stem on
th e front passenger seat, the information on
ins talling a child restra int sy stem on the front
passenger seat (
→page 54).
Occupant saf ety 49

RInstructions and safetyno tes on the auto‐
matic front passenger airbag shutoff
(
→page 41).
RSaf etyno tes on the seat belt (→page 33).
RInformation on the cor rect use of the seat
belt (→page 38).
Ac tivating/deactivating the child seat saf ety
fe ature of the seat belt
0071
WARNING Risk of injury or 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
longer cor rectly secure d. Thechild seat
saf etyfe ature is deactivated and the seat
belt is dr awn in a bit bythe inertia reel.
It is therefore not possible toengage the seat
belt again.
00BBPull over and stop theve hicle safely as
soon as possible, paying attention to
ro ad and traf fic conditions.
00BBAc tivate thech ild seat saf etyfe ature
again and cor rectly secure thech ild
re stra int sy stem.
When enabled, thech ild seat saf etyfe ature
ensures that the seat belts of the front
passenger seat and rear seats do not slac ken
once thech ild restra int sy stem is secured.
Installing a child restra int sy stem:
00BBAlw ays comply with the manufacturer's
ins tallation instructions when ins talling and
re moving thech ild restra int sy stem.
00BBPull the seat belt smoo thly from the seat belt
outlet.
00BBEn gage the seat belt tongue in the seat belt
buckle.
Ac tivating the child seat saf etyfe ature:
00BBPull the seat belt out fully and let the inertia
re el retract it again.
When thech ild seat saf etyfe ature is activa‐
te d,you should hear a ratcheting sound.
00BBPush thech ild restra int sy stem down until
th e seat belt sits tightly. Deactivating the
child seat saf etyfe ature:
00BBPress there lease button of the seat belt
buckle.
00BBHold the seat belt tongue and guide it ba ck
to the seat belt outlet.
LA TC H-type (ISOFIX) child seat attachment
Note s onLATC H-type (ISOFIX) child seat
attachments
0071 WARNING Risk of‑ injury or death ifthe
maximum permissible gross mass for
using a LATC H-type (ISOFIX) child
re stra 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
integrated seat belt integrated in thech ild
re stra int sy stem, the permissible gross mass
of thech ild and child restra int sy stem is
73 lb (33 kg).
If th ech ild and thech ild restra int sy stem
to ge ther we igh more than 73 lb (33 kg),th e
50
Occupant saf ety

LATC 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.
00BBIfth ech ild and thech ild restra int sys‐
te m toget her weigh more than 73 lb
(33 kg),only use a LATC H-type (ISOFIX)
ch ild restra int sy stem which secures
th ech ild with theve hicle seat belt.
00BBAlso 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:
Rin the manufacturer's ins tallation and operat‐
ing instructions forth ech ild restra int sy stem
used
Ron a label on thech ild restra int sy stem, if
present Re
gular lych eck that the permissible gross mass
of thech ild and child restra int sy stem is still
being adhered to.
When using a child restra int sy stem, be sure to
obser vethe manufacturer's ins tallation and
operating instructions as well as its cor rect use
and the suitability of the seats for attaching a
ch ild restra int sy stem.
ISOFIX is a standardized securing sy stem for
specially designed restra int sy stems. LATC H-
type (ISOFIX) child restra int sy stems are
appr oved in accordance with ECE R44.
Only child restra int sy stems that ha vebeen
appr oved in accordance with ECE R44 may be
attached toLATC H-type (ISOFIX) mounting
brac kets.
Symbol forfitting a LATC H-type (ISOFIX) child
re stra int sy stem
Occupant saf ety 51

InstallingLATC H-type (ISOFIX) child seat
securing sy stems
0071
WARNING Risk of‑ injury or death ifthe
maximum permissible gross mass for
using a LATC H-type (ISOFIX) child
re stra 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
integrated seat belt integrated in thech ild
re stra int sy stem, the permissible gross mass
of thech ild and child restra int sy stem is
73 lb (33 kg).
If th ech ild and thech ild restra int sy stem
to ge ther we igh more than 73 lb (33 kg),th e
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.
00BBIfth ech ild and thech ild restra int sys‐
te m toget her weigh more than 73 lb
(33 kg),only use a LATC H-type (ISOFIX)
child restra int sy stem which secures
th ech ild with theve hicle seat belt.
00BBAlso 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:
Rin the manufacturer's ins tallation and operat‐
ing instructions forth ech ild restra int sy stem
used
Ron a label on thech ild restra int sy stem, if
present
Re gular lych eck that the permissible gross mass
of thech ild and child restra int sy stem is still
being adhered to.
When using a child restra int sy stem, be sure to
obser vethe manufacturer's ins tallation and
operating instructions as well as its cor rect use
and the suitability of the seats for attaching a
ch ild restra int sy stem.
Before everytrip, make surethat theLA TC H-type
(ISOFIX) child restra int sy stem is engaged cor‐
re ctly in bo thLATC H-type (ISOFIX) mounting
brac kets.
1LA TC H-type (ISOFIX) mounting brac kets
00BBRe mo veeach co verfo rLA TC H-type (ISOFIX)
mounting brac kets 1.
00BBAttach theLA TC H-type (ISOFIX) child
re stra int sy stem toboth LATC H-type (ISOFIX)
mounting brac kets 1.
52
Occupant safe ty

00BBAfterre moving thech ild seat, replace each
co verfo rLA TC H-type (ISOFIX) mounting
brac kets 1.
Secu ring TopTe ther
0071
WARNING Risk of injury or death ifthe
re ar seat backrests are not loc ked af ter
ins talling TopTe ther belts
If th ere ar seat backrests are not loc ked, they
could fold forw ards in theeve nt of an acci‐
dent or du ring braking or sudden changes of
direction.
As a result, child restra int sy stems cannot
per form their intended pr otective function.
Re ar seat backrests that are not loc ked can
also cause additional injuries, e.g. in the
ev ent of an accident.
00BBAlw ays lock rear seat backrests af ter
ins talling TopTe ther belts.
00BBObser vethe lock verification indicator.
If th e seat backrest is not engaged and loc ked,
th is will be shown on the multifunction display
on the instrument clus ter.
The risk of injury can be reduced byTopTe ther
as TopTe ther pr ovides an additional connection
between thech ild restra int sy stem secured with
LA TC H-type (ISOFIX) and theve hicle.
The child restra int sy stem must be equipped
with a TopTe ther belt.00BBIns tallth eLA TC H-type (ISOFIX) child restra int
sy stem with TopTe ther on there ar seat.
Alw ays comply with thech ild restra int sys‐
te m manufacturer's ins tallation instructions
when doing so.
00BBFo ldthere ar seat backrest forw ards
(→page 101).
00BBHook TopTe ther hook 2into TopTe ther
anchorage 1.
00BBFoldthere ar seat backrest back
(→page 102).
00BBMake sure that TopTe ther belt 3is not
twis ted and there ar seat backrest is loc ked.
Occupant saf ety 53

00BBSecurethech ild restra int sy stem with
LA TC H-type (ISOFIX) (→page 52).
00BBTension TopTe ther belt 3from the trunk.
00BBMake sure that there is suf ficient seat belt
st ra pto pull tight.
00BBAlw ays comply with thech ild restra int sys‐
te m manufacturer's ins tallation instructions
when doing so.
Child restra int sy stems on the front
passenger seat
Note s onchild restra int sy stems on the front
passenger seat
Ac cident statistics show that children secured in
th ere ar seats are safer than children secured in
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.
If it is absolutely necessary toins tall a child
re stra int sy stem on the front passenger seat,
alw ays obser vethe information on the automatic
front passenger airbag shutoff (
→page 41). By doing
this, you can avoidrisks caused by:
RAch ild restra int sy stem that is not de tected
by the automatic front passenger airbag
shutoff.
RThe unintentionally deactivated front
passenger airbag.
RIncor rect positioning of thech ild restra int
sy stem.
Note s onforw ard-facing and rear wa rd-facing
ch ild restra int sy stems on the front
passenger seat
When using a rear wa rd-facing child restra int sys‐
te m on the front passenger seat, the front
passenger front air bag must alw ays be deactiva‐
te d. This is only the case if thePA SSENGER AIR
BA G OFF indicator lamp is lit continuously
(
→page 43).
When using thech ild restra int sy stem on the
front passenger seat, it is essential toobser ve
th efo llowing:
RMo vethe front passenger seat as far back as
possible.
RSet the seat backrest toan almost vertical
position.
RRe tract the seat cushion length as far as pos‐
sible.
RThe entire base of thech ild restra int sy stem
must alw aysre st on the sitting sur face of the
front passenger seat.
RThe backrest of thefo rw ard-facing child
re stra int sy stem must lie as flat as possible
against the seat backrest of the front
passenger seat. The child restra int sy stem
must not touch thero of or be put under
st ra in by the head restra ints.
RIf necessar y,adjust the angle of the seat
backrest and the head restra int position
according ly.
RAd just the seat cushion inclination so that
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.
RAlways make sure that the shoulder belt
st ra p is cor rectly routed from the seat belt
outlet of theve hicle tothe shoulder belt
guide on thech ild restra int sy stem. The
54
Occupant saf ety