2025-2026 Mercedes G Class SUV Occupant safety -> Purpose and function of the restraint system User Manual
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Occupant safety -> Purpose and function of the restraint system for Your Mercedes G Class SUV Fifth Generation (2025-2026)

125
Purpose and function of the restraint system
Overview of deployment situations (restraint
system)
IN PARTICULAR ENSURE THE FOLLOWING CONDITIONS TO ENABLE THE
COMPONENTS OF THE RESTRAINT SYSTEM TO UNFOLD THEIR PROTEC‐
TIVE POTENTIAL:
R
Sit correctly (/page113).
R
Fasten seat belts correctly (/page114).
-
Function of the seat belt warning lamp (/page117).
-
Function of the rear seat belt status display (/page117).
R
The 6 restraint system warning lamp does not light up after the
self-check (/page116).
R
The PASSENGER AIR BAG indicator lamps display the correct status of
the front passenger airbag (/page118).
DEPENDING ON THE DETECTED DEPLOYMENT SITUATION, THE COMPO‐
NENTS OF THE RESTRAINT SYSTEM CAN BE ACTIVATED OR DEPLOYED
INDEPENDENTLY OF EACH OTHER:
R
Seat belt tensioner: frontal impact, rear impact, side impact, rollover
R
Driver's airbag, front passenger airbag: frontal impact
R
Knee airbag: frontal impact
R
Side airbag: side impact
R
Window airbag: side impact, rollover, frontal impact
The installation location of an airbag is identified by the AIRBAG (/page132)
symbol.
Observe the information on how the restraint system works (/page125).
Information on how the restraint system
works
The function of the restraint system depends on the severity of the impact
detected and the apparent type of accident.
For more information about types of accidents, see "Overview of deployment
situations" (/page125).
The activation thresholds for the components of the restraint system are
determined based on the evaluation of the sensor values measured at various
points in the vehicle. This process is pre-emptive in nature. The triggering of
the components of the restraint system must take place in good time at the
start of the impact.
Factors which can only be seen and measured after a collision has occurred
cannot play a decisive role in airbag deployment. They also do not provide an
indication of airbag deployment.
The vehicle may be deformed significantly without an airbag being deployed.
This is the case if only parts which are relatively easily deformed are affected
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Occupant safety Purpose and function of the restraint system
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126
and the rate of vehicle deceleration is not high. Conversely, an airbag may
be deployed even though the vehicle suffers only minor deformation. If, e.g.
very rigid vehicle parts such as longitudinal members are hit, this may result in
sufficiently high levels of vehicle deceleration.
Depending on the apparent type of accident and the detected deployment sit‐
uation, seat belt tensioners and/or airbags supplement the protection offered
by a correctly worn seat belt.
When enabled, an airbag can provide additional protection for the respective
vehicle occupant.
POTENTIAL PROTECTION PROVIDED BY EACH AIRBAG:
R
Knee airbag: thighs, knees and lower legs
R
Driver's airbag, front passenger airbag: head and ribcage
R
Window airbag: head
R
Side airbag: ribcage, also pelvis for front seat occupants
However, no system available today can completely eliminate injuries and
fatalities in every accident situation. In particular, the seat belt and airbag gen‐
erally do not protect against objects penetrating the vehicle from the outside.
It is also not possible to completely rule out the risk of injury caused by the
airbag deploying.
Mercedes-Benz recommends that you have the vehicle towed to a qualified
specialist workshop after an accident. Take this into account, particularly if a
seat belt tensioner has been triggered or an airbag deployed.
IF THE SEAT BELT TENSIONERS ARE TRIGGERED OR AN AIRBAG IS
DEPLOYED, YOU WILL HEAR A BANG, AND A SMALL AMOUNT OF FINE
POWDER MAY ALSO BE RELEASED:
R
The bang will not generally affect your hearing.
R
In general, the fine powder released is not hazardous to health but may
cause short-term breathing difficulties to persons suffering from asthma
or other respiratory problems.
Provided it is safe to do so, leave the vehicle immediately or open the
window in order to prevent breathing difficulties.
Information on the limited protection provi‐
ded by the restraint system
RISK DUE TO THE INCORRECT BEHAVIOUR OF VEHICLE OCCUPANTS
EVERY VEHICLE OCCUPANT MUST MAKE SURE OF THE FOLLOWING IN
PARTICULAR:
R
They observe the information on the correct seat position (/page113).
R
Do not stow any heavy, pointed, sharp or fragile objects in the pockets of
clothing items. Stow such objects in a suitable place.
&
WARNING
Risk of injury or death due to incorrect seat position
The seat belt will not offer the intended level of protection if you have
not moved the seat backrest to an almost vertical position.
In particular, you may slip under the seatbelt and injure yourself.
#
Adjust the seat properly before beginning your journey.
#
Always ensure that the seat backrest is in an almost vertical
position and that the shoulder section of your seat belt is
routed across the centre of your shoulder.
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127
RISK DUE TO OBJECTS IN THE VEHICLE INTERIOR
EVERY VEHICLE OCCUPANT MUST MAKE SURE OF THE FOLLOWING IN
PARTICULAR:
R
They observe the information on the correct seat position (/page113).
R
There are no objects between the seat, door and door pillar (B-pillar).
R
There are no hard objects, e.g. clothes hangers, hanging on the grab
handles or coat hooks.
R
Do not stow any heavy, pointed, sharp or fragile objects in the pockets of
clothing items. Stow such objects in a suitable place.
To secure objects, luggage or cargo, observe the instructions for loading the
vehicle (/page202).
&
WARNING
Risk of injury or death due to blocked seat belt buckle or seat belt
anchorage
Objects next to the front seat that block the seat belt buckle or the
moving seat belt anchorage on the front seat impair the function of the
seat belt tensioners.
#
Before starting the journey, make sure that there are no
objects around the seat belt buckle or between the front seat
and door.
&
WARNING
Risk of injury from objects in the deployment area of an airbag
Objects in the deployment area of an airbag can hinder or prevent the
correct deployment of the airbag.
The airbag may then deploy in an uncontrolled manner and may even
cause additional injuries to the vehicle occupants by deploying. This
may be the case in particular if the airbag is integrated into the seat.
#
Always stow and secure objects correctly.
#
Before commencing your journey, make sure that no objects
are stowed in the deployment area of an airbag.
The installation location of an airbag is identified by the symbol AIRBAG
(/page132).
RISK DUE TO FITTING ACCESSORIES
Do not attach accessories such as mobile navigation devices, mobile phones
or cup holders, within the deployment area of an airbag, e.g. on the cockpit, on
the door, on the side window or on the side trim.
In addition, no connecting cables, tensioning straps or retaining straps must
be routed or attached to the vehicle within the deployment area of an airbag.
Always comply with the accessory manufacturer's installation instructions and,
in particular, the notes on suitable places for installation.
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128
&
WARNING
Risk of injury or death due to unsuitable protective covers
Due to unsuitable protective covers, the airbags cannot protect vehicle
occupants as they are designed to do.
#
You should only use protective covers that have been
approved for the corresponding seat by Mercedes-Benz.
In addition, the function of the automatic front passenger airbag deactiva‐
tion could be restricted due to an unsuitable protective cover. If the front
passenger seat is occupied, ensure that the PASSENGER AIR BAG indicator
lamps display the correct status of the front passenger airbag (/page118).
RISK DUE TO PETS IN THE VEHICLE INTERIOR
&
WARNING
Risk of accident and injury due to animals left unsecured or unat‐
tended in the vehicle
If you leave animals in the vehicle unattended or unsecured, they could
press buttons or switches, for instance.
AN ANIMAL MAY:
R
activate vehicle equipment and become trapped, for example
R
switch systems on or off and endanger other road users
Unsecured animals may be thrown about the vehicle in the event of
an accident, or sudden steering and braking manoeuvres, and injure
vehicle occupants.
#
Never leave animals unattended in the vehicle.
#
Always correctly secure animals while driving, e.g. using a suit‐
able animal carrier.
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129
RISK DUE TO MODIFICATION, DAMAGE OR WEAR TO THE COMPONENTS
OF THE RESTRAINT SYSTEM
&
WARNING
Risk of injury or death due to modifications to the restraint system
Vehicle occupants may no longer be protected as intended if alterations
are made to the restraint system.
#
Never alter the parts of the restraint system.
#
Never tamper with the wiring or any electronic component
parts or their software.
If it is necessary to modify the vehicle to accommodate a person with disabili‐
ties, contact a qualified specialist workshop.
Mercedes-Benz recommends that you use driving aids which have been
approved for your vehicle by Mercedes-Benz.
&
WARNING
Risk of injury or death due to damaged or modified seat belts
SEAT BELTS CANNOT PROVIDE PROTECTION IN THE FOLLOWING
SITUATIONS:
R
the seat belt is damaged, has been modified, is extremely dirty,
bleached or dyed
R
the seat belt buckle is damaged or extremely dirty
R
modifications have been made to the seat belt tensioner, seat belt
anchorage or seat belt retractor
Seat belts may sustain non-visible damage in an accident, e.g. due to
glass splinters.
Modified or damaged seat belts could tear or fail in the event of an
accident, for example.
Modified seat belt tensioners could accidentally trigger or fail to func‐
tion as intended.
#
Never modify the seat belt system, for example the seat belt,
seat belt buckle, seat belt tensioner, seat belt anchorage and
seat belt retractor.
#
Make sure that the seat belts are undamaged, not worn and
clean.
#
Always have the seat belts checked immediately after an acci‐
dent at a qualified specialist workshop.
Mercedes-Benz recommends that you use seat belts which have been
approved for your vehicle by Mercedes-Benz.
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130
&
WARNING
Risk of injury due to modifications to the cover of an airbag
If you modify the cover of an airbag or affix objects such as stickers to
it, the airbag can no longer function as intended.
#
Never modify the cover of an airbag.
#
Do not attach any objects to the cover.
The installation location of an airbag is identified by the AIRBAG symbol
(/page132).
&
WARNING
Risk of injury due to malfunctioning sensors in the door
The function of the airbags can be impaired due to modifications or
incorrect work performed on the doors or door trim, or if the doors are
damaged.
#
Never modify the doors or parts of the doors.
#
Always have work on the doors or door trim carried out at a
qualified specialist workshop.
RISK DUE TO COMPONENTS OF THE RESTRAINT SYSTEM WHICH HAVE
ALREADY BEEN DEPLOYED
Mercedes-Benz recommends that you have the vehicle towed to a qualified
specialist workshop after an accident.
&
WARNING
Risk of burns from hot airbag components
The airbag parts are hot after an airbag has been deployed.
#
Do not touch the airbag parts.
#
Have a deployed airbag replaced at a qualified specialist work‐
shop as soon as possible.
&
WARNING
Risk of injury due to deployed airbag
A deployed airbag no longer offers any protection.
#
Have the vehicle towed to a qualified specialist workshop in
order to have the deployed airbag replaced.
Have deployed airbags replaced immediately.
&
WARNING
Risk of injury or death from deployed pyrotechnic seat belt ten‐
sioners
Pyrotechnic seat belt tensioners that have been deployed are no longer
operational and are unable to perform their intended protective func‐
tion.
#
Therefore, have deployed pyrotechnic seat belt tensioners
immediately replaced at a qualified specialist workshop.
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Occupant safety Purpose and function of the restraint system
F465 0034 02

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Occupant safety
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