Mercedes-Benz GLB Owner's Manual page 60

Overview of suitable seats in the vehicle for fitting a child restraint system
Securing systems for child restraint systems
Vehicle seat
Left/right rear seat (second seat
row)
Left/right rear seat (third seat row)
Preferred securing system:
® ISOFIX child seat securing system
( page 61)
/
or
° i-Size child seat securing system
( page 65)
/
¯ Also secure Top Tether if present
( page 70)
/
Preferred securing system:
® ISOFIX child seat securing system
( page 61)
/
¯ Also secure Top Tether if present
( page 70)
/
Alternative securing system:
Vehicle seat belt ( page 72).
/
R
Alternative securing system:
Vehicle seat belt ( page 72)
/
R
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Occupant safety