Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 67

Fitting an ISOFIX or i-Size child restraint system
on the rear seat
▌Overview of suitability of the seats for attaching
ISOFIX child restraint systems
ISOFIX is a standardised securing system for spe-
cially designed child restraint systems.
® The symbol indicates seats suitable for
attaching an ISOFIX child restraint system
in accordance with UN R44 (
Attach only child restraint systems that are
approved in accordance with UN R44 as
per the following ISOFIX tables.
Carry cot
Size class – Left/right rear seat
Equipment
F – ISO/L1 X
G – ISO/L2 X
X Not suitable for an ISOFIX child restraint system in this weight
group and/or size class.
Weight group 0 (up to 10 kg and up to approx. 6
months)
Size class –
Equipment
E – ISO/R1
IL Suitable for ISOFIX child restraint systems according to the table
in "Overview of the recommended child restraint systems", or if the
page 63).
/ vehicle and the seat are listed on the child restraint system manu-
facturer's vehicle model list.
Weight group 0+ (up to 13 kg and up to approx.
15 months)
Size class –
Equipment
E – ISO/R1
D – ISO/R2,
ISO/R2X
Left/right rear seat
IL
Left/right rear seat
IL
IL
P223 0288 02
Occupant safety
Size class – Left/right rear seat
Equipment
C – ISO/R3 IL (1)
IL Suitable for ISOFIX child restraint systems according to the table
in "Overview of the recommended child restraint systems", or if the
vehicle and the seat are listed on the child restraint system manu-
facturer's vehicle model list.
(1) When using a child restraint system of size class (ISO/R3),
move the front seat into the highest position. Make sure that the
seat backrest of the front seat does not rest against the child
restraint system.
Weight group 1 (9–18 kg and approx. 9 months to
4 years)
Size class – Left/right rear seat
Equipment
D – ISO/R2, IL
ISO/R2X
C – ISO/R3 IL (1)
B – ISO/F2 IUF
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