Get Safely transporting children in the vehicle -> Securing the child restraint system Guide for Mercedes C Class 4 Door 2023

Safely transporting children in the vehicle – Securing the child restraint system

133

L Suitable for semi-universal

Securing the child restraint system

Adjusting the seat correctly

Front passenger air-

bag enabled¹

UF, L, B2, B3

U, L, B2, B3

child restraint systems accord-

ing to the table in "Recommen-

ded child restraint systems", or

if the vehicle and the seat are

listed in the child restraint sys-

tem manufacturer's vehicle

model list.

Front passenger air-

bag disabled^{1, 2}

When ﬁtting a child restraint system on the leꢀ or

right rear seat, always observe the following:

Make sure that the child's feet do not touch

1 Adjust the seat cushion incli-

nation so that the front edge of

the seat cushion is in the high-

est position and the rear edge

of the seat cushion is in the low-

est position.

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 sys-

tems. Observe the child restraint system manu-

facturer's installation instructions.

UF Suitable for forward-facing

child restraint systems of the

"Universal" category in this

weight category.

2 The vehicle is equipped with

automatic front passenger air-

bag shutoﬀ. The PASSENGER

AIR BAG OFF indicator lamp

must be lit.

B2, B3 Suitable for the installa-

tion of child restraint systems

complying with ISO/B2 and

ISO/B3 child seat cushion test

equipment.

Contact with the roof when the head restraint

is fully extended and locked in place will not

result in any restrictions on use.

®° When ﬁtting an ISOFIX/LATCH or

i‑Size child restraint system, also observe the fol-

lowing:

X Not suitable for children in

this weight category.

U Suitable for child restraint

systems of the "Universal" cate-

gory in this weight category.

When using a rearward-facing child restraint

system on a rear seat: adjust the front seat so

F206 0105 02

Safely transporting children in the vehicle – Securing the child restraint system

134

that it does not touch the child restraint sys-

tem.

7 When ﬁtting a belt-secured child restraint

system, also observe the following:

direction. Where possible, adjust the seat

cushion inclination accordingly.

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

backrest of the child restraint system must lie

as ﬂat as possible against the backrest of the

vehicle seat. Aꢀer the child restraint system

has been removed, replace the vehicle head

restraint immediately and adjust 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.

Make sure that the child's feet do not touch

the front seat. If necessary, move the front

seat slightly forwards.

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 sys-

tem.

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

backrest of the child restraint system must lie

as ﬂat as possible against the backrest of the

vehicle seat. Aꢀer the child restraint system

has been removed, replace the vehicle head

restraint immediately and adjust correctly.

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 121).

When using a forward-facing child restraint

system integrated child seat belt: remove the

head restraint from the respective seat, if pos-

sible. Aꢀer the child restraint system has been

removed, immediately replace the head

restraint and adjust 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.

Adjust the vehicle head restraints so that the

child restraint system is not put under strain

by the head restraint.

The child restraint system must not be put

under strain between the roof and the seat

The backrest of the forward-facing child

restraint system must, as far as possible, be

cushion and/or be ﬁtted facing the wrong

F206 0105 02

Safely transporting children in the vehicle – Securing the child restraint system

135

resting on 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 shoul-

der belt guide on the child restraint system.

The shoulder belt strap must be routed for-

wards from the seat belt outlet and, where

possible, downwards to the child restraint sys-

tem.

Adjust the seat cushion inclination so that the

Make sure that the rear bench seat, the

rear seat and the seat backrest are

engaged before every trip.

front edge of the seat cushion is in the highest

position and the rear edge of the seat cushion

is in the lowest position.

If the rear seat backrest is not engaged and

Set the seat backrest to the most vertical

position possible.

locked in place, the red lock veriﬁcation indicator

will be visible.

Fitting an ISOFIX or i-Size child restraint system

WARNING Risk of injury or death if the

permissible gross mass of the child and

child restraint system together is excee-

ded.

WARNING Risk of accident if the rear

bench seat, rear seat and seat backrest

are not engaged

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.

The rear bench seat, rear seat and seat back-

rest may fold forwards, even while the vehicle

is in motion.

As a result, the vehicle occupant will be

If the child is secured in an ISOFIX or i-

pressed into the seat belt with increased

force. The seat belt will not be able to pro-

tect as intended and could cause addi-

tional injury.

Size child restraint system with integra-

ted seat belts, the total mass of the child

and child restraint system must not

exceed 33 kg.

Objects or loads in the boot or load com-

partment cannot be restrained by the seat

backrest.

Fully retract the seat cushion length adjust-

ment.

F206 0105 02

Safely transporting children in the vehicle – Securing the child restraint system

136

Always comply with the information about the

weight of the child restraint system:

NOTE Damage to the seat belt for the

centre seat during installation of the child

restraint system

in the manufacturer's installation and operat-

ing instructions for the child restraint system

used

Make sure that the seat belt is not trap-

ped.

on a label on the child restraint system, if

present

Fold covers 1 or 2 rearward.

Regularly check that the permissible gross weight

of the child and child restraint system is still com-

plied with.

Attach the ISOFIX/LATCH or i‑Size child

restraint system to both securing rings in the

vehicle.

When ﬁtting a child restraint system, observe the

following:

Fastening a Top Tether

Always observe the correct use of the seats

and consider their suitability for attaching a

child restraint system.

® LATCH-type (ISOFIX) securing rings

(/ page 128)

WARNING Risk of injury or death if the

rear seat backrests are not locked aꢀer

Top Tether belts are ﬁtted

LATCH-type (ISOFIX) securing rings

i‑Size securing rings

The rear seat backrests may fold forwards

when you are driving.

As a result, child restraint systems will no lon-

ger be able to perform their intended protec-

tive function. This may also cause additional

injuries.

Before every journey, make sure that the ISOFIX/

LATCH child restraint system or the i‑Size child

restraint system is engaged correctly in both

securing rings in the vehicle.

° i‑Size securing rings (/ page 130)

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Safely transporting children in the vehicle – Securing the child restraint system

137

Always lock rear seat backrests aꢀer ﬁt-

ting Top Tether belts.

Observe the lock veriﬁcation indicator.

If the rear seat backrest is not engaged and

locked in place, the red lock veriﬁcation indicator

will be visible.

¯ 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 connec-

tion between the child restraint system attached

with ISOFIX or i‑Size and the vehicle.

Guide Top Tether belt 4 under head restraint

1 between the two head restraint bars.

Hook Top Tether hook 5 of Top Tether belt

4 into Top Tether anchorage 3 without

twisting.

Tension Top Tether belt 4. In doing so, com-

ply with the child restraint system manufactur-

er's installation instructions.

Fold down cover 2 of Top Tether anchorage

If necessary, slide head restraint 1 upwards

(/ page 184).

Fold up cover 2 of Top Tether anchorage 3.

Fit the ISOFIX or i‑Size child restraint system

with Top Tether. In doing so, comply with the

child restraint system manufacturer's installa-

tion instructions.

If necessary, slide head restraint 1 down-

wards (/ page 184). Make sure that you do

not interfere with the correct routing of Top

Tether belt 4.

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Safely transporting children in the vehicle

138

Securing the child restraint system with the seat

belt

For a child restraint system in the "Universal"

or "Semi-Universal" category, make sure that

the system has been approved for the vehicle

seat.

Install 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 for-

wards from the seat belt outlet and, where

possible, downwards to the child restraint sys-

tem.

Child safety locks

Activating or deactivating the child safety lock for

the rear doors

WARNING Risk of accident if the rear

bench seat, rear seat and seat backrest

are not engaged

WARNING Accident– and risk of injury

with unsupervised children in the vehicle

The rear bench seat, rear seat and seat back-

rest may fold forwards, even while the vehicle

is in motion.

If you leave children unattended in the vehicle,

they can in particular

Open doors and thereby endanger other

persons or road users.

As a result, the vehicle occupant will be

pressed into the seat belt with increased

force. The seat belt will not be able to pro-

tect as intended and could cause addi-

tional injury.

get out of the car and are hit by traﬃc.

Operate vehicle equipment and become

trapped, forexample.

Objects or loads in the boot or load com-

In addition, the children could also set the

vehicle in motion, for exampleby:

partment cannot be restrained by the seat

backrest.

When ﬁtting on the rear seat: also secure Top

Tether if present.

When ﬁtting on the front passenger seat: if

necessary, adjust the seat belt outlet and the

front passenger seat accordingly.

releasing the parking brake.

Make sure that the rear bench seat, the

change the gearbox setting.

rear seat and the seat backrest are

engaged before every trip.

start the vehicle.

Never leave children unattended in the

vehicle.

If the rear seat backrest is not engaged and

locked in place, the red lock veriﬁcation indicator

will be visible.

F206 0105 02

Safely transporting children in the vehicle -> Securing the child restraint system for Your Mercedes C Class 4 Door 2023

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