2025-2026 Mercedes G Class SUV Children in the vehicle -> Securing the child restraint system User Manual
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Children in the vehicle -> Securing the child restraint system for Your Mercedes G Class SUV Fifth Generation (2025-2026)

151
Securing the child restraint system
Adjusting the seat correctly
WHEN FITTING A CHILD RESTRAINT SYSTEM ON THE LEFT OR RIGHT
REAR SEAT, ALWAYS OBSERVE THE FOLLOWING:
#
Make sure that the child's feet do not touch the front seat. If necessary,
move the front seat slightly forwards.
If the head restraint of the child restraint system cannot be fully extended
when it is installed in the vehicle, this will result in restrictions on the maxi‐
mum size setting for certain child restraint systems. Observe the child restraint
system manufacturer's installation instructions.
%
Contact with the roof when the head restraint is fully extended
and locked in place will not result in any restrictions on use.
®° ALSO OBSERVE THE FOLLOWING WHEN FITTING AN ISOFIX OR
I‑SIZE CHILD RESTRAINT SYSTEM:
#
When using a rearward-facing child restraint system on a rear seat:
adjust the front seat so that it does not touch the child restraint system.
#
When using a forward-facing child restraint system with integrated
child seat belt: adjust the head restraint of the respective seat so that
it does not push the child restraint system forwards. If necessary, the
respective head restraint can be removed. In addition, the seat backrest
of the child restraint system must lie as flat as possible against the
backrest of the vehicle seat. After the child restraint system has been
removed, replace the vehicle head restraint immediately and adjust it
correctly.
#
The child restraint system must not be put under strain between the roof
and the seat cushion and/or be fitted facing the wrong direction. Where
possible, adjust the seat cushion inclination accordingly.
#
Adjust the vehicle head restraints so that the child restraint system is
not put under strain by the head restraint.
7 WHEN FITTING A BELT-SECURED CHILD RESTRAINT SYSTEM, ALSO
OBSERVE THE FOLLOWING:
#
When using a rearward-facing child restraint system on a rear seat:
adjust the front seat so that it does not touch the child restraint system.
#
When using a forward-facing child restraint system with integrated
child seat belt: adjust the head restraint of the respective seat so that
it does not push the child restraint system forwards. If necessary, the
respective head restraint can be removed. In addition, the seat backrest
of the child restraint system must lie as flat as possible against the
backrest of the vehicle seat. After the child restraint system has been
removed, replace the vehicle head restraint immediately and adjust it
correctly.
#
The backrest of the forward-facing child restraint system must, as far as
possible, be resting on the seat backrest of the rear seat.
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Children in the vehicle Securing the child restraint system
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152
#
The child restraint system must not be put under strain between the roof
and the seat cushion and/or be fitted facing the wrong direction. Where
possible, adjust the seat cushion inclination accordingly.
#
Adjust the vehicle head restraints so that the child restraint system is
not put under strain by the head restraint.
#
Make sure that the child's feet do not touch the front seat. If necessary,
move the front seat slightly forwards.
7 DEPENDING ON THE VEHICLE EQUIPMENT, ALWAYS OBSERVE THE
FOLLOWING WHEN FITTING A BELT-SECURED CHILD RESTRAINT SYSTEM
ON THE FRONT PASSENGER SEAT:
#
Observe the notes on rearward-facing and forward-facing child restraint
systems on the front passenger seat (/page140).
#
When using a forward-facing child restraint system integrated child
seat belt: remove the head restraint from the front passenger seat, if
possible. After the child restraint system has been removed, immediately
replace the head restraint and adjust it correctly.
#
The backrest of the forward-facing child restraint system must, as far
as possible, be resting against the seat backrest of the front passenger
seat.
#
The child restraint system must not be put under strain between the roof
and the seat cushion and/or be fitted facing the wrong direction.
#
Adjust the vehicle head restraints so that the child restraint system is
not put under strain by the head restraint.
#
Never place objects (e.g. cushions) under or behind the child restraint
system.
#
Set the front passenger seat as far back as possible and move the seat
into the highest position if possible. Always make sure that the shoulder
belt strap is correctly routed from the seat belt outlet of the vehicle
to the shoulder belt guide on the child restraint system. The shoulder
belt strap must be routed forwards from the seat belt outlet and, where
possible, downwards to the child restraint system.
#
Fully retract the seat cushion length adjustment.
#
Adjust the seat cushion inclination so that the front edge of the seat
cushion is in the highest position and the rear edge of the seat cushion
is in the lowest position.
#
Set the seat backrest to the most vertical position possible.
Fitting an ISOFIX/LATCH or i-Size child
restraint system
&
WARNING
Risk of accident if the rear bench seat, rear seat and seat backrest
are not engaged
The rear bench seat, rear seat and seat backrest may fold forwards,
even while the vehicle is in motion.
R
As a result, the vehicle occupant will be pressed into the seat belt
with increased force. The seat belt will not be able to protect as
intended and could cause additional injury.
R
Objects or loads in the boot or load compartment cannot be
restrained by the seat backrest.
#
Make sure that the rear bench seat, the rear seat and the seat
backrest are engaged before every trip.
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153
Ensure that the rear seat backrest is engaged. To do so, pull forcefully on the
seat backrest.
&
WARNING
Risk of injury or death if the permissible gross mass of the child
and child restraint system together is exceeded.
Too much load may be placed on the ISOFIX or i‑Size child restraint
systems and the child may not be restrained correctly in the event of an
accident, for example.
#
If the child is secured in an ISOFIX or i-Size child restraint
system with integrated seat belts, the total mass of the child
and child restraint system must not exceed 33 kg.
ALWAYS OBSERVE THE INFORMATION ON THE MASS OF THE CHILD
RESTRAINT SYSTEM:
R
in the installation instructions and Owner's Manual provided by the man‐
ufacturer of the child restraint system used
R
on a label on the child restraint system, if present
Regularly check that the permissible gross mass of the child and child restraint
system is still being adhered to.
WHEN FITTING A CHILD RESTRAINT SYSTEM, ALSO OBSERVE THE FOL‐
LOWING:
O
Always observe the area of use and the suitability of the seats for
attaching a child restraint system.
®ISOFIX mounting brackets (/page147)
or
°i‑Size mounting brackets (/page148)
1 ISOFIX mounting bracket
2 i‑Size mounting brackets
#
Before every journey always ensure that the ISOFIX/LATCH child
restraint system or the i‑Size child restraint system is engaged in both
mounting brackets on the vehicle.
*
NOTE
Damage to the seat belt for the centre seat during installation of
the child restraint system
#
Make sure that the seat belt is not trapped.
#
Attach the ISOFIX/LATCH or i‑Size child restraint system to both mount‐
ing brackets in the vehicle.
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Fastening a Top Tether
&
WARNING
Risk of injury or death if the rear seat backrests are not locked
after Top Tether belts are fitted
The rear seat backrests may fold forwards.
As a result, child restraint systems will no longer be able to perform
their intended protective function. This may also cause additional inju‐
ries.
#
Always lock rear seat backrests after fitting Top Tether belts.
#
Adjust the rear seat backrests so that they are in an upright
position.
Ensure that the rear seat backrest is engaged. To do so, pull forcefully on the
seat backrest.
¯ If the child restraint system is equipped with a Top Tether belt:
The risk of injury may be reduced by Top Tether. The Top Tether belt enables
an additional connection between the child restraint system attached with
ISOFIX or i‑Size and the vehicle.
#
Remove the load compartment cover and the partitioning net
(/page210).
#
If necessary, slide head restraint 1 upwards (/page190).
#
Fit the ISOFIX/LATCH or i‑Size child restraint system with Top Tether.
Comply with the child restraint system manufacturer's installation
instructions.
#
Guide Top Tether belt 4 under head restraint 1 between the two head
restraint bars.
#
Hook Top Tether hook 3 into Top Tether anchorage 2 without twisting.
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#
Tension Top Tether belt 4. Comply with the child restraint system man‐
ufacturer's installation instructions.
#
If necessary, slide head restraint 1 downwards (/page190). Make
sure that you do not interfere with the correct routing of Top Tether belt
4.
Fastening the child restraint system with the
seat belt
&
WARNING
Risk of accident if the rear bench seat, rear seat and seat backrest
are not engaged
The rear bench seat, rear seat and seat backrest may fold forwards,
even while the vehicle is in motion.
R
As a result, the vehicle occupant will be pressed into the seat belt
with increased force. The seat belt will not be able to protect as
intended and could cause additional injury.
R
Objects or loads in the boot or load compartment cannot be
restrained by the seat backrest.
#
Make sure that the rear bench seat, the rear seat and the seat
backrest are engaged before every trip.
Ensure that the rear seat backrest is engaged. To do so, pull forcefully on the
seat backrest.
#
For a child restraint system of the category "Universal" or "Semi-Univer‐
sal" ensure that this is approved for the vehicle seat.
#
Fit the child restraint system.
The entire base of the child restraint system must always rest on the
sitting surface of the seat.
#
Always make sure that the shoulder belt strap is correctly routed from
the seat belt outlet of the vehicle to the shoulder belt guide on the child
restraint system.
The shoulder belt strap must be routed forwards from the seat belt
outlet and, where possible, downwards to the child restraint system.
#
When fitting on the rear seat: also secure Top Tether, if present
(/page154).
#
When fitting on the front passenger seat: if necessary, adjust the seat
belt outlet and the front passenger seat appropriately.
G-Class - Owner's Manual
Children in the vehicle Securing the child restraint system
F465 0034 02

Related Topics

Children in the vehicle
Key facts in brief Important safety notes Suitable child restraint systems for the transport of children Suitable seats for attaching child restraint systems Child safety locks Passive occupant presence reminder

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