MERCEDES-BENZ E-CLASS SALOON 2020 Workshop Manual

#
Alw ays mo vethe front passenger seat
as far back as possible and fully retract
th e seat cushion length adjustment.
While doing so, alw ays make sure that
th e shoulder belt stra p is cor rectly
ro uted from the seat belt outlet of the
ve hicle tothe shoulder belt guide on
th ech ild restra int sy stem. The shoulder
belt stra p must be routed forw ards and
down wards from the seat belt outlet. If
necessar y,adjust the seat belt outlet
and the front passenger seat accord‐
ingly. #
Alw ays comply with thech ild restra int
sy stem manufacturer's ins tallation
instructions. When
fitting a child restra int sy stem tothe front
passenger seat, obser vetheve hicle-specific
information (/ page 66).
If a person is sitting on the front passenger
seat: PASSENGER AIR BAG OFF may be lit con‐
tinuously or be off, depending on the person's
st ature. A person on
the front passenger seat must
alw ays obser vethefo llowing information:
R Ifth e front passenger seat is occupied byan
adult or a person with a stature cor respond‐
ing tothat of an adult, thePA SSENGER AIR
BA G OFF indicator lamp must be off. This
indicates that the front passenger airbag is
enabled.
If th ePA SSENGER AIR BAG OFF indicator
lamp is lit continuousl y,an adult or person
with a build cor responding tothat of an adult
should not use the front passenger seat.
Ins tead, they should use a rear seat.
R Ifth e front passenger seat is occupied by a
person of smaller stature (e.g. a teenager or
small adult), thePA SSENGER AIR BAG OFF
indicator lamp either lights up continuously
or remains off, depending on the classifica‐
tion.
- Ifth ePA SSENGER AIR BAG OFF indicator
lamp is off: mo vethe front passenger
seat as far back as possible, or the per‐
son of smaller stature should use a rear
seat. -
Ifth ePA SSENGER AIR BAG OFF indicator
lamp is lit continuously: the person of
smaller stature should not use the front
passenger seat. &
WARNING Risk of inju ryor death when
th ePA SSENGER AIR BAG OFF indicator
lamp is lit
If th ePA SSENGER AIR BAG OFF indicator
lamp remains lit af terth e self-test, the co-
driver airbag is disabled.
If th e co-driver seat is occupied, alw ays
ensure that:
R The classification of the person in the co-
driver seat is cor rect, and the co-driver
airbag is enabled or disabled as is appro‐
priate forth e person in the co-driver seat.
R The person is seated properly with a cor‐
rectly fastened seat belt. Be sure
toalso obse rveth efo llowing fur ther
re lated subjects:
R Securing thech ild restra int sy stem on the
front passenger seat (/ page 66)48
Occupant saf ety

R
Suitable positioning of thech ild restra int sys‐
te m (/ page 55) PRE-SAFE
®
sy stem PRE-
SAFE®
(anticipa tory occupant pr otec‐
tion) 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 Vehicles with sliding sunroof: closethe
sliding sunroof.
R Vehicles with memory function: movethe
front passenger seat toa more favo urable
seat position.
R Vehicles with multicontour seat: increase
th e air pressure in the seat side bols ters of
th e seat backrest. R
PRE-SAFE ®
Sound: pr ovided that the multi‐
media sy stem is switched on, generates a
brief noise signal tostimulate the innate pro‐
te ctive mechanism of a person's hea ring.
* NO
TEDama gecaused byobjects in the
fo ot we ll or behind the seat The automatic adjustment of
the seat posi‐
tion may result in damage tothe seat and/or
th e object. #
Stow objects in a suitable place. Re
versing the PRE- SAFE®
sy stem measures If an accident did not occur,
the pre-em ptive
measures that we retake n are reve rsed.
Yo u will need toper form certain settings your‐
self. #
Ifth 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:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Activating there ar hazard warning lights at a
higher flashing frequenc y.
R Increasing brake pressure when theve hicle
is stationar y.This brake application is cancel‐
led 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. Occupant saf
ety49

Sy
stem limits
The sy stem will not initiate any 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 sy stem will not initiate any braking applica‐
tion in thefo llowing situations:
R whilst driving
or
R when entering or exiting a parking space
while using Active Parking Assist Fu
nction of PRE-SAFE ®
Impulse Side If an imminent side impact is de
tected, PRE-
SA FE®
Impulse Side can pre-emptively mo vethe
front seat vehicle occupant's upper body
to wa rdsth e cent reoftheve hicle. It does this by
ra pidly inflating an air cushion in the outer seat
side bols ter of the seat backrest on the side on
which the impact is anticipated. This increases th
e dis tance 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 370) displ aymes‐
sage appears. Safely transporting
children in theve hicle Alw
ays obser vewhen children are tr avelling
in theve hicle %
Also strictly obser vethe saf ety no tesfo rthe
specific situation. In this wa yyo u can recog‐
nise po tential risks and avoid dangers if chil‐
dren are tr avelling in theve hicle
(/ page 51).
Be diligent
Bear in mind that negligence when securing a
ch ild in thech ild restra int sy stem may ha veseri‐
ous consequences. Alw ays be diligent in secur‐
ing a child carefully before everyjou rney. To
impr oveprotection forch ildren younger than
twelve years old or under 1.50 m in height,
Mercedes-Benz recommends you obse rvethe
fo llowing information:
R Alw ays secure thech ild in a child restra int
sy stem suitable forth is Mercedes-Benz vehi‐
cle.
R The child restra int sy stem must be appropri‐
ate tothe age, weight and size of thech ild.
R The vehicle seat must be suitable forfitting a
ch ild restra int sy stem (/ page 55).
Ac cident statistics show that children secured
on there ar seats are general lysafer than chil‐
dren secured on the front seats. Forth is reason,
Mercedes-Benz strongly advises that youfit a
ch ild restra int sy stem toare ar seat.
The generic termchild restra int sy stem
The generic term child restra int sy stem is used
in this Owner's Manual. A child restra int sy stem
is, forex ample:
R a baby car seat
R are ar wa rd-f acing child seat 50
Occupant saf ety

R
afo rw ard-facing child seat
R ach ild boos ter seat with a backrest and seat
belt guide
Mercedes-Benz recommends using a child
boos ter seat with a backrest.
The child restra int sy stem must be appropriate
to the age, weight and size of thech ild.
Obser velaws and legal requirements
Alw ays obser vethe legal requ irements when
using a child restra int sy stem in theve hicle.
Make sure that thech ild restra int sy stem is
appr oved in accordance with theva lid test speci‐
fi cations and guidelines. Further information can
be obtained at a qualified specialist workshop.
Mercedes-Benz recommends that you use a
Mercedes-Benz Service Centre forth is purpose.
Only use appr ovedch ild restra int sy stems
Only child restra int sy stems that meet thefo l‐
lowing UNECE standards are permit tedfo r use in
th eve hicle:
R UN-R44
R UN-R129 (i-Size child restra int sy stems) Information on
child restra int sy stem appr oval
categories and de tails on the appr oval label on
th ech ild restra int sy stem (/ page 55). De
tecting risks, avoiding dan ger Securing sy
stems forch ild restra int sy stems
in theve hicle
Only use thefo llowing securing sy stems forch ild
re stra int sy stems:
R the ISOFIX or i-Size securing rings
R theve hicle's seat belt sy stem
R theTo pTe ther anchorages
Fitting an ISOFIX or an i-Size child restra int sys‐
te m is prefer red.
Simply attaching tothe securing rings on the
ve hicle can reduce therisk of fitting thech ild
re stra int sy stem incor rectly.
When secu ring a child with the integrated seat
belt of the ISOFIX or i-Size child restra int sys‐
te m, alw ays comply with the permissible gross
we ight forth ech ild and child restra int sy stem
(/ page 59). Ad
vantage of a rear wa rd-facing child
re stra int sy stem
It is preferable totranspo rta baby or a small
ch ild in a suitable rear wa rd-facing child restra int
sy stem. In this case, thech ild sits in the oppo‐
site direction tothe direction of tr avel and faces
ba ckwa rds.
Babies and small children ha vecompa ratively
we ak neck muscles in relation tothe size and
we ight of their head. The risk of injury tothe cer‐
vical spine during an accident can be reduced in
a re ar wa rd-f acing child restra int sy stem.
Alw ays secure a child restra int sy stem cor‐
re ctly &
WARNING Risk of inju ryor death due to
incor rect ins tallation of thech ild
re stra int sy stem
The child can then not be pr otected or
re stra ined as intended. #
Be sure tocomply wi th the manufactur‐
er's ins tallation instructions forthe Occupant saf
ety51

ch
ild restra int sy stem and its cor rect
use. #
Makesure 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. #
Use child restra int sy stems only with
th e original co ver designed forth em. #
Alw aysre 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 incor rectly fit‐
te d or not secured, it can come loose.
The child restra int sy stem could be flung
around and hit vehicle occupants. #
Alw ays ins tallch ild restra int sy stems
cor rectl y,eve n when not in use. #
Alw ays comply with thech ild restra int
sy stem manufacturer's ins tallation
instructions. R
Alw ays obser vethech ild restra int sy stem
manufacturer's ins tallation and operating
instructions as well as theve hicle-specific
information:
- Fitting the ISOFIX or i-Size child restra int
sy stem tothere ar seat (/ page 59).
- Securing thech ild restra int sy stem with
th e seat belt on there ar seat
(/ page 64).
- Securing thech ild restra int sy stem with
th e seat belt on the front passenger seat
(/ page 66). Obser vethe specific
instructions forth ere ar wa rd-facing and
fo rw ard-facing child restra int sy stems
(/ page 66).
If th e front passenger seat is occupied,
ensure, bo thbefore and during the jour‐
ne y,that thest atus of the front
passenger airbag is cor rect forth e cur‐
re nt situation (/ page 46). R
Obse rveth ewa 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 tomodifi‐
cations tothech ild restra int sy stem
The child restra int sy stem can no longer
function properly. This poses an increased
ri sk of injur y. #
Never modify a child restra int sy stem. #
Only af fix accesso ries which ha vebeen
specially appr oved forth is ch ild
re stra int sy stem bythech ild restra int
sy stem's manufacturer. Mercedes‑Benz
recommends Mercedes-Benz
care products for cleaning child restra int sys‐
te ms recommended byMercedes-Benz. 52
Occupant saf ety

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 subjec tedto stre ss 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 lyrestra ined. #
Alw ays immediately replace child
re stra int sy stems that ha vebeen dam‐
aged or in volved in an accident. #
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. 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,
particularly on the me tallic parts of thech ild
re stra int sy stem. #
Alw ays make sure that thech ild
re stra int sy stem is not exposed to
direct sunlight. #
Protect thech ild restra int sy stem, e.g.
with a blank et. #
Ifth ech ild restra int sy stem has been
ex posed todirect sunlight, allow it to
cool before secu ring a child in 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 unsupervised in theve hi‐
cle, they could, in pa rticular:
R open doors, thereby 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. Occupant saf
ety53

#
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
st icke r. &
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. Overvi
ewofrecommended child restra int
sy stems %
Further information on the cor rect child
re stra int sy stem can be obtained at a quali‐
fi ed specialist workshop. Mercedes-Benz
re commends that you use a Mercedes-Benz
Service Centre forth is purpose.
Securing with ISOFIX
Category 0+ (up to13 kgand appr ox.
15 months) Ty
pe 1
BABY SAFE plus
Size categor yE
App rova lE 1 04 30114 6
Order number 2
B6 6 86 8224
1 Manufacturer: Britax Römer .2 With colour code 9H95. Catego
ryI (9 to18 kgand from appr ox‐
ima tely 9 months to4ye ars) Ty
pe 1
DUO plus
Size catego ry B1
Appr oval E1 04 30113 3
Order number 2
A 000970 43 02
1 Manu facturer: Britax Römer .2 With colour code 9H95. Securing with th
eve hicle seat belt
Catego ry0 (up to10 kgand appr ox.
6 months) and category 0+ (up to13 kgand
appr ox.15 months) Ty
pe 1
BABY SAFE plus II
App rova lE 1 04 30114 6
Order number 2
A 000970 38 02
1 Manu facturer: Britax Römer .2 With colour code 9H95. 54
Occupant saf ety

Category I (9
to18 kgand from appr ox‐
ima tely 9 months to4ye ars) Ty
pe 1
DUO plus
Appr oval E1 04 30113 3
Order number 2
A 000970 43 02
1 Manu facturer: Britax Römer .2 With colour code 9H95. Catego
ryII/III (15 to36 kgand from appr ox‐
ima tely 4to 12 years) Ty
pe 1
KIDFIX XP
Appr oval E1 04 301 304
Order number 2
A 000970 49 02 Ty
pe 1
AMG KIDFIX XP
Appr oval E1 04 301 304
Order number 2
A 000970 33 02
1 Manu facturer: Britax Römer .2 With colour code 9H95. Overview of suitable seats in
theve hicle for
fi tting a child restra int sy stem Left/right
rear seat
Prefer red securing sy stem:
® ISOFIX child seat securing sy stem
(/ page 57)
or
° i-Sizechild seat securing sy stem
(/ page 58)
¯ Also secure TopTe ther if present
(/ page 61).
Alternative securing sy stem:
7 Ve
hicle seat belt (/ page 62)
Fr ont passenger seat
Securing sy stem:
7 Ve
hicle seat belt (/ page 62)
Be sure toobser ve:
R Ifth e front passenger seat is occupied,
ensure, bo thbefore and during the journe y,
th at thest atus of the front passenger airbag is cor
rect forth e cur rent situation
(/ page 46).
R Obse rveth e no tes on automatic front
passenger airbag shutoff (/ page44)
Centre rear seat
Securing sy stem:
7 Ve
hicle seat belt (/ page 62) Appr
oval catego ries forch ild restra int sys‐
te ms On
lyuse appr ovedch ild restra int sy stems
Only child restra int sy stems that meet thefo l‐
lowing UNECE standards are permit tedfo r use in
th eve hicle:
R UN-R44
R UN-R129 (i-Size child restra int sy stems)
Identification on thech ild restra int sy stem
In fo rm ation about the appr oval categor y,we ight
category and appr oval number, forex ample, is
on the appr oval label on thech ild restra int sys‐
te m. Occupant saf
ety55

There may be fur
ther information such as the
ISOFIX size categories, depending on the
appr oval category of thech ild restra int sy stem.
Appr oval catego ries in accordance with UN-
R44 Example of an appr
oval label
R Universal: child restra int sy stems in the
"Universal" category are appr oved for ins tal‐ lation in
vehicles. They can be used, in
accordance with overviews ofthe suitability
of seats for securing child restra int sy stems,
on seats labelled U,UF or IUF.
The identification IUF refers to ISOFIX child
re stra int sy stems in the "Universal" categor y.
These child restra int sy stems must also be
secured using TopTe ther or support points.
R Semi-Universal: child restra int sy stems in
th e "Semi-Universal" category may only be
used if theve hicle and vehicle seat are lis ted
in thech ild restra int sy stem manufacturer's
ve hicle model list.
R Vehicle-specific: child restra int sy stems in
th e "vehicle-specific" category may only be
used if theve hicle and vehicle seat are lis ted
in thech ild restra int sy stem manufacturer's
ve hicle model list. Appr
oval catego ries in accordance with UN-
R129 Example of an appr
oval label
R i‑Size: child restra int sy stems in the "i‑Size"
category are appr ovedfo r ins tallation in vehi‐
cles with i‑Size mounting brac kets. They can
be used, in accordance wi thove rviews ofthe 56
Occupant saf ety

suitability of seats
for securing child restra int
sy stems, on seats labelled i‑U.
The identification i‑U refers to i‑Size child
re stra int sy stems in the "Universal" categor y.
These child restra int sy stems must also be
secured using TopTe ther or support points.
Obser vethe suitability of vehicle seats
Depending on the appr oval categor y,there are
fo rw ard-facing and rear wa rd-facing child
re stra int sy stems. Their use can be restricted for
cer tain vehicle seats:
R Suitability of the seats for attaching ISOFIX
ch ild restra int sy stems (/ page57)
R Suitability of seats for securing i‑Size child
re stra int sy stems (/ page 58).
R Suitability of seats for attaching belt-secu red
ch ild restra int sy stems (/ page 62) Fi
tting an ISOFIX or i-Size child restra int sys‐
te m on the rear seat Overview of suitability of
the seats for
attaching ISOFIX child restra int sy stems
ISOFIX is a standardised securing sy stem for
specially designed restra int sy stems.
® The symbol indicates seats suitable for
attaching an ISOFIX child restra int sy stem
in accordance with UN R44 (/ page 55).
At tach only child restra int sy stems that
are appr oved in accordance with UN R44
as per thefo llowing ISOFIX tables.
Car rycot Size class –
Equipment
Left/right
rear seat
F – ISO/L1 X
G – ISO/L2 X
X Not sui table for an ISOFIX child restrai nt sy stem in this we ight
group and/or size class. We
ight group 0 (up to10 kgand up to
appr ox. 6 months) Size class –
Equipment
Le
ft/right rear seat
E – ISO/R1 IL
IL Suitable for ISOFIX child restra int sy stems according tothe
ta ble in "Overview of there commended child restra int sy stems",
or if theve hicle and the seat are lis ted on thech ild restrai nt sys‐
te m manufacturer's vehicle model list. We
ight group 0+ (up to13 kgand up to
appr ox.15 months) Size class –
Equipment
Le
ft/right rear seat
E – ISO/R1 IL
D – ISO/R2 IL Occupant saf
ety57