Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 70

68 Occupant safety
Before every journey, make sure that the ISOFIX
child restraint system or the i‑Size child restraint
system is engaged correctly in both ISOFIX or
i‑Size mounting brackets.
* 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 trap-
#
ped.
Fold upholstered lining 1 upwards.
#
Pull the tab on upholstered lining
#
and position it on the supporting surface.
Upholstered lining 1 will remain folded
upwards.
Attach the ISOFIX or i‑Size child restraint sys-
#
tem to both mounting brackets
cle.
To close, fold upholstered lining
#
Lift the tab from the support surface and slide
#
it back into the upholstery slot between the
seat backrest and seat cushion. Close the
upholstery flap.
P223 0288 02
Securing Top Tether
& WARNING Risk of injury or death from
adjusting the seat after fitting a child
restraint system
Vehicles with electrically adjustable rear
bench seats:
The following may occur:
1
upwards
The Top Tether belt may sit either too loose
R
or too tight
The child restraint system may be loose,
R
incorrectly positioned or damaged and
then not perform its intended protective
2 in the vehi-
function.
1 upwards.
Never adjust the seat after the child
#
restraint system has been installed.
¯ 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