affect your hearing. The powder that escapes
does not generally constitute a health hazard.
The + warning lamp lights up.
i If the belt buckle tensioners have been
triggered on the front seats, the buckle will
be pulled down and will be almost flush with
the upper edge of the seat. The +warn-
ing lamp comes on. G
Risk of injury
The belt buckle tensioners on the front seats
only function if the belt buckles can be pulled
down without obstruction. They must not be
restricted in any way. For this reason, do not
hold the belt buckles and do not place any
objects under the belt buckles. Otherwise, the
tensioning of the belt by the buckle is restric-
ted or will not function and will not provide
any additional protection. G
Risk of injury
If the seat belt tensioners have been trig-
gered, they provide no additional protection
in the event of another accident. Therefore,
have belt tensioners which have been trig-
gered replaced at a qualified specialist work-
shop.
Comply with safety regulations when dispos-
ing of belt tensioners. Any Mercedes-Benz
Service Centre can provide details of these
regulations.
Airbags Airbag deployment slows down and restricts
the movement of the vehicle occupant.
If the airbags are deployed, you will hear a
bang and a small amount of powder may also
be released. Only in rare cases will the bang
affect your hearing. The powder that escapes
does not generally constitute a health hazard.
The + warning lamp lights up.
The SRS/AIRBAG identification indicates the
location of the airbags. G
Risk of injury
Airbags provide additional protection; they
are not, however, a substitute for seat belts.
Observe the following notes to reduce the risk
of serious or even fatal injury if an airbag is
deployed:
R all vehicle occupants ― in particular, preg-
nant women ― must wear their seat belt
correctly at all times and lean back against
the backrest, which should be positioned
as close to the vertical as possible. The
head restraint must support the back of the
head at about eye level.
R always secure children less than 1.50 m tall
or under 12 years of age in suitable child
restraint systems.
R all vehicle occupants must select a seat
position that is as far away from the airbag
as possible. The driver's seat position must
allow the vehicle to be driven safely. The
driver's chest should be as far away from
the middle of the driver's front airbag cover
as possible.
R move the front-passenger seat as far back
as possible, especially if a child is secured
in a child restraint system on the seat.
R vehicle occupants – in particular, children
– must not lean their head into the area of
the window in which the sidebag/window-
bag is deployed.
R rearward-facing child restraint systems
must not be fitted to the front-passenger
seat unless the front-passenger front air-
bag has been disabled. The front-passenger
front airbag of a vehicle fitted with auto-
matic child seat recognition* is only disa-
bled when a child restraint system with
automatic child seat recognition is fitted to
the front-passenger seat. The 4
PASSENGER AIRBAG OFF warning lamp
must be continuously lit.
If the front-passenger seat of your vehicle
does not have automatic child seat recog- Occupant safety
37Safety
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Driver's front airbag
:deploys in front of the
steering wheel; front-passenger front air-
bag ;deploys in front of and above the glove
compartment. They are deployed:
R at the start of an accident with a high rate
of vehicle acceleration or deceleration in a
longitudinal direction
R if the system determines that airbag
deployment can offer additional protection
to that provided by the seat belt
R if the seat belt is fastened
R independently of other airbags in the vehi-
cle
R if the vehicle overturns, but only if the sys-
tem detects high vehicle deceleration in a
longitudinal direction
On vehicles with automatic child seat recog-
nition in the front-passenger seat*, front-
passenger front airbag ;is only deployed if
the 4 PASSENGER AIRBAG OFF warning
lamp in the centre console is not lit
(Y page 43). This means that there is not a
child restraint system with automatic child
seat recognition* fitted to the front-
passenger seat or that a child restraint sys-
tem with automatic child seat recognition*
has been fitted to the front-passenger seat
incorrectly.
Sidebags G
Risk of injury
If you wish to use seat covers, Mercedes-Benz
recommends that, for safety reasons, you
only use seat covers that have been approved
for Mercedes-Benz vehicles.
The seat covers must have a special tear seam
for sidebags. Otherwise, a head/thorax side-
bag cannot deploy correctly and would fail to
provide the intended protection in the event
of an accident. Appropriate seat covers can
be obtained from a Mercedes-Benz Service
Centre. G
Risk of injury
Sensors to control the airbags are located in
the doors. Therefore, do not make any modi-
fications to the doors or door trim, e.g. retro-
fitting loudspeakers. Damage to the doors
can affect operation of the sidebags.
The purpose of sidebag deployment is to
enhance the level of protection for the thorax
(but not the head, neck or arms) of the vehicle
occupants on the side of the vehicle on which
the impact occurs. Front sidebags
:or rear-compartment side-
bags* ;deploy next to the outer seat cush-
ions. They are deployed:
R on the side on which an impact occurs
R at the start of an accident with a high rate
of lateral vehicle deceleration or accelera-
tion, e.g. in a side impact
R independently of the seat belt use
R independently of the front airbags
R independently of the belt tensioners
R if the vehicle overturns, but only if the sys-
tem detects high vehicle deceleration in a
lateral direction and determines that side-
bag deployment can offer additional pro-
tection to that provided by the seat belt
Windowbags
The purpose of the windowbags is to enhance
the level of protection for the head (but not
chest or arms) of the vehicle occupants on
the side of the vehicle on which the impact
occurs. Occupant safety
39Safety
* optional
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The windowbags are integrated into the side
of the roof frame They are located between
the front door (A-pillar) and the rear windows
(D-pillar). Windowbags
:are deployed:
R at the start of an accident with a high rate
of vehicle acceleration or deceleration in a
lateral direction
R on the side on which an impact occurs
R independently of the front airbags
R regardless of whether the front-passenger
seat is occupied
R independently of the seat belt use PRE-SAFE
®
* system
PRE-SAFE ®
system takes pre-emptive meas-
ures to protect you in certain hazardous sit-
uations.
PRE-SAFE ®
intervenes in the event of:
R emergency braking situations, e.g. if the
BAS Brake Assist intervenes
R critical situations involving driving dynam-
ics, e.g. if the vehicle oversteers or under-
steers significantly due to physical limits
being exceeded If you are driving faster than approximately
30 km/h,
PRE-SAFE®
may take the following
measures in these situations:
R it tensions the front seat belts.
R on vehicles with memory functions*: it
adjusts the front-passenger seat if this is in
an unfavourable position.
R if the vehicle skids, it closes the sliding/
tilting sunroof* and the side windows so
that only a small gap remains.
if the hazardous situation passes without
resulting in an accident, PRE-SAFE ®
slackens
the belt pretensioning. You can then reverse
all settings made by PRE-SAFE ®
.
If the seat belts are not released:
X Move the backrest or the seat back slightly
until the belt tension is reduced.
The locking mechanism releases. G
Risk of injury
When adjusting the seat, make sure that
nobody can become trapped.
! Make sure that there are no objects in the
footwell or behind the seats when adjusting
the seats. You could otherwise damage the
seats and the objects. NECK-PRO head restraints/NECK-
PRO luxury head restraints*
NECK-PRO head restraints/NECK-PRO luxury
head restraints are designed to increase pro-
tection of the driver’s and front-passenger’s
head and neck. To this end, the head
restraints on the driver's and front-passenger
seats are moved forwards and upwards in the
event of a rear-end collision when viewed in
the direction of travel. This provides better
head support. G
Risk of injury
Head restraint covers prevent NECK-PRO
head restraints/NECK-PRO luxury head 40
Occupant safetySafety
* optional
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restraints from triggering properly. The NECK-
PRO head restraints/NECK-PRO luxury head
restraints can therefore not provide the inten-
ded protection. Do not use head restraint cov-
ers.
If NECK-PRO head restraints/NECK-PRO
luxury head restraints have been triggered in
an accident, you must reset the head
restraints on the driver’s and front-passenger
seat (Y page 252). Head restraints that have
been triggered are tilted forwards. Children in the vehicle
If a child is travelling in your vehicle, secure
the child using a child restraint system which
is appropriate to the size and age of the child
and is recommended for Mercedes-Benz
vehicles. You should fit the restraint system
to a suitable rear seat. Ensure that the child
is secured throughout the trip.
You can obtain information about the correct
child restraint system from any Mercedes-
Benz Service Centre.
i It is advisable to use Mercedes-Benz care
products to clean child restraint systems.
Information about this can be obtained
from any Mercedes-Benz Service Centre. G
Risk of injury
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system. Children could injure them-
selves on parts of the vehicle. They could also
be seriously or even fatally injured by pro-
longed exposure to extreme heat or cold.
Do not expose the child restraint system to
direct sunlight. Parts of the child restraint sys-
tem could heat up and the child could burn
herself/himself on them.
If a child opens a door, the child or other per-
sons could be injured as a result. The child
could get out and be injured in the process or
be injured by a passing vehicle. G
Risk of injury
An unsecured or an incorrectly positioned
load increases the risk of injury for the child
and all other occupants, during:
R an accident
R a braking manoeuvre
R a sudden change of direction
Do not carry heavy or hard objects inside the
vehicle unless they are secured. You will find
further information under "Loading guide-
lines" in the index.
Child restraint systems Mercedes-Benz recommends that you only
use the child restraint systems listed on
(Y
page 46). G
Risk of injury
To reduce the risk of serious or even fatal
injury to the child in the event of a sudden
change in direction, braking or an accident:
R children less than 1.50 m tall and under
twelve years of age must always be secured
in special child restraint systems on a suit-
able vehicle seat. This is necessary
because the seat belts are not designed for
children of this size.
R do not secure children less than 1.50 m tall
or under twelve years of age on the front-
passenger seat. Exception: the child is
secured in a vehicle with automatic child
seat recognition on the front-passenger
seat* and is secured in a child restraint
system with automatic child seat recogni-
tion.
R if you secure a forward-facing child
restraint system to the front-passenger
seat, you must move the front-passenger
seat as far back as possible.
R children must never travel sitting on the lap
of another occupant. Due to the forces
occurring in the event of a sudden change
of direction, heavy braking or an accident, Occupant safety
41Safety
* optional
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the
4 PASSENGER AIRBAG OFF warning
lamp is not lit.
To alert you to this danger, a corresponding
warning sticker is located on the dashboard
and on both sides of the sun visor on the front-
passenger side.
Information about recommended child
restraint systems is available at any
Mercedes-Benz Service Centre.
Automatic child seat recognition on the
front-passenger seat
If your vehicle does not have automatic child
seat recognition on the front-passenger seat,
this is indicated by a special sticker. The
sticker is affixed to the side of the dashboard
on the front-passenger side. It is visible when
you open the front-passenger door.
The warning lamp 3
is located on the centre
console. The sensors for the automatic child seat rec-
ognition on the front-passenger seat detects
whether a special Mercedes-Benz child seat
with automatic child seat recognition has
been fitted. In such cases, 4PASSENGER
AIRBAG OFF warning lamp :lights up. The
front-passenger front airbag is disabled. G
Risk of injury
If the 4 PASSENGER AIRBAG OFF warning
lamp does not light up when the child restraint
system is fitted, the front-passenger front air- bag has not been disabled. If the front-
passenger front airbag is deployed, the child
could be seriously or even fatally injured.
Proceed as follows:
R
do not use a rearward-facing child restraint
system on the front-passenger seat.
R fit a rearward-facing child restraint system
on a suitable rear seat.
or
R only use a forward-facing child restraint
system on the front-passenger seat and
move the front-passenger seat to its rear-
most position.
R have the automatic child seat recognition
checked at a qualified specialist workshop.
To ensure that the automatic child seat rec-
ognition on the front-passenger seat func-
tions correctly, never place objects (such as
a cushion) under the child restraint system.
The entire base of the child restraint system
must always rest on the seat cushion. An
incorrectly fitted child restraint system can-
not perform its intended protective function
in the event of an accident, and could lead to
injuries.
i The windowbag, the sidebag and the belt
tensioner on the front-passenger side are
still active even if the front-passenger front
airbag is disabled by the automatic child-
seat recognition on the front-passenger
seat. G
Risk of injury
Do not place electronic devices on the front-
passenger seat, e.g.:
R laptops, when switched on
R mobile phones
R cards with transponders, e.g. ski passes or
access cards
3 Vehicles without automatic child seat recognition in the front-passenger seat: the warning lamp lights up
briefly when you turn the key to position 2 in the ignition lock. However, it has no function and does not
indicate that there is automatic child seat recognition on the front-passenger seat. Occupant safety
43Safety
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Weight categories and ages Group I: 9 to 18 kg
between approx-
imately 8 months and
4 years Group II/III: 15 to
36 kg;
between approx-
imately 3½ and
12 years
Daimler order number
A 000 970 16 00 A 000 970 17 00
Automatic child seat recognition
No
10 No
10 Child seat lock*
Depending on the vehicle's equipment, the
seat belts on the rear bench seats may be fit-
ted with a child seat lock.
X Insert the seat belt tongue into the buckle.
X Pull the belt out completely and let it be
reeled back in by the inertia reel.
The child seat lock ensures that the belt
does not slacken once the child seat is
secured.
X To release the child seat lock: roll up the
belt completely after removing the child
seat.
ISOFIX child seat securing system in
the rear compartment ISOFIX is a standardised securing system for
specially-designed child restraint systems on
the rear seats. Securing rings for two child
restraint systems are fitted on the left and
right of the rear seat backrests.
On vehicles with a third row of seats*, the
third row of seats is also fitted with securing
rings. G
Risk of injury
A child restraint system secured by the ISOFIX
child seat securing system does not provide
sufficient protection for children weighing
more than 22 kg. For this reason, do not
secure children weighing more than 22 kg in
a child restraint system secured by the ISOFIX
child seat securing system. If the child weighs more than 22 kg, secure the child restraint
system using a lap-shoulder belt.
G
Risk of injury
The child restraint system cannot perform its
protective function if it is not correctly fitted
to a suitable vehicle seat. The child cannot be
restrained in the event of a sudden change of
direction, heavy braking or an accident. This
may lead to serious or even fatal injuries. For
this reason, when fitting a child restraint sys-
tem, observe the manufacturer's installation
instructions and the correct use of the child
restraint system.
On the rear seats, only use child restraint sys-
tems with an ISOFIX child seat securing sys-
tem which have been recommended for use
in Mercedes-Benz vehicles.
An incorrectly fitted child restraint system
could come loose and seriously or even fatally
injure the child or other vehicle occupants.
When fitting the child restraint system, make
sure that it is engaged in the securing rings
on both sides. G
Risk of injury
Please note that if child restraint systems, or
their retaining systems, are damaged or sub-
jected to a load in an accident, they may not
be able to provide their protective function.
This could result in serious or even fatal inju-
ries to the secured child in the event of an
accident, heavy braking or a sudden change
in direction.
10 For child restraint systems without automatic child seat recognition, move the front-passenger seat to the
rearmost position. Occupant safety
47Safety
* optional
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For this reason, have child restraint systems
and their anchorages which have been dam-
aged or subjected to a load in an accident
checked immediately at a qualified specialist
workshop.
! When fitting the child restraint system,
make sure that the seat belt for the centre
seat does not become trapped. Otherwise,
it could be damaged. X
Remove covers :. ;
Securing rings
TopTether
TopTether provides an additional connection
between the child restraint system secured
with ISOFIX and the rear seat. It helps reduce
the risk of injury even further.
The TopTether anchorages are located on the
rear side of the rear seat backrests.
For the third row of seats*, use the lashing
eyelets in the luggage compartment floor. X
Remove respective covering cap :of the
TopTether anchorage. X
Move head restraint =upwards.
X Fit the ISOFIX child restraint system with
TopTether*. Comply with the manufactur-
er's installation instructions.
X Guide TopTether belt* Bunder head
restraint =between the two head restraint
rods.
X Guide TopTether belt* Bdownwards
between luggage compartment cover :
and rear seat backrest ;.48
Occupant safetySafety
* optional
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X
Hook TopTether hook* Ainto TopTether
anchorage ?.
X Tighten TopTether belt* B. Comply with
the manufacturer's installation instruc-
tions.
X Move head restraint =back down again
slightly if necessary (Y page 68). Make
sure that you do not interfere with the cor-
rect routing of TopTether belt* B.
Child-proof locks If children are travelling in the vehicle, you can
activate the child-proof locks for the rear
doors.
Child-proof locks for the rear doors
The child-proof locks on the rear doors enable
you to secure each door individually. A locked
door cannot be opened from the inside. The
door can be opened from the outside if the
vehicle is unlocked.
G
Risk of accident and injury
Activate the child-proof locks for the rear
doors and the override switch for the rear
windows if children are travelling in the vehi-
cle. Otherwise, the children could open doors
or windows while the vehicle is in motion and
injure themselves or others. X
To activate: press latch;downwards.
X Make sure that the child-proof locks are
working properly.
X To deactivate: press latch:upwards. Override feature for the rear side win-
dows G
Risk of accident and injury
Activate the child-proof locks for the rear
doors and the override switch for the rear
windows if children are travelling in the vehi-
cle. Otherwise, the children could open doors
or windows while the vehicle is in motion and
injure themselves or others. X
To activate: press button :.
Button :engages. The rear side windows
can only be operated using the switches on
the driver's door.
X To deactivate: press button:.
Button :pops out and is flush with the
other buttons. You can operate the rear
side windows using the switches in the rear
compartment. Driving safety systems
Overview of driving safety systems
In this section, you will find information about
the following driving safety systems:
R ABS ( Anti-lock Braking System)
R BAS ( Brake Assist System)
R Adaptive brake lamps
R ESP ®
( Electronic Stability Program)
R EBV (electronic brake-power distribution) Driving safety systems
49Safety
* optional
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