Mercedes-Benz S-Class Owner's Manual page 59

Overview of suitability of the seats for attaching ISOFIX child restraint systems
ISOFIX identification
ISOFIX is a standardised securing system for specially designed restraint systems.
The symbol indicates seats suitable for attaching an ISOFIX child restraint system in accordance with UN R44 (
R
Attach only child restraint systems that are approved in accordance with UN R44 as per the following ISOFIX tables.
R
Carry cot
Size class: Equipment:
F ISO/L1
G ISO/L2
Weight group 0 (up to 10 kg and up to approx. 6 months)
Size class: Equipment:
E ISO/R1
Left/right rear seat
X
X
X Not suitable for an ISOFIX child restraint system in this weight group and/or size class.
Left/right rear seat
IL
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 manufacturer's vehicle model list.
57
Occupant safety
page 55).
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