Mercedes-Benz X-Class 2017 Operating Instructions Manual page 54

X: not suitable for children of this weight category.
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U: suitable for forward and rearward- facing child restraint systems in the "Universal" category
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used in this weight category.
UF: suitable for forward-facing child restraint systems in the "Universal" category that are
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approved for use in this weight category.
L: suitable for semi-universal child restraint systems according to the table in the "Overview of
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recommended child restraint systems" (
child restraint system manufacturer's vehicle model list.
Co-driver's seat
Weight categories
Group 0: up to 10 kg
Group 0+: up to 13 kg
Group I: 9 to 18 kg
Group II: 15 to 25 kg
Group III: 22 to 36 kg
Rear seats
Weight categories
Group 0: up to 10 kg
Group 0+: up to 13 kg
Group I: 9 to 18 kg
Group II: 15 to 25 kg
Group III: 22 to 36 kg
Suitability of the seats for fitting an ISOFIX child restraint system
Observe the following notes:
if you are using a baby car seat of group 0/0+ and a rearward-facing child restraint
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system on a rear seat: the front seat must be adjusted in such a way that it does not come into
contact with the child restraint system.
if you are using a forward-facing child restraint system of group I: if possible, remove the
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head restraint of the respective seat. Furthermore, the backrest of the child restraint system
must, as far as possible, rest against the backrest of the seat.
after removing the child restraint system, fit the head restraint without delay and adjust all head
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restraints correctly.
for certain child restraint systems of weight category II or III there may be limitations for the
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maximum size setting, e.g. due to possible contact with the roof.
make sure that the child's feet do not come into contact with the front seat. If necessary, move
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the front seat slightly forwards.
4 The vehicle is fitted with automatic front-passenger front airbag deactivation. The PASSENGER AIR BAG OFF
indicator lamp must be lit.
5 Child restraint systems with a supporting bracket are not suitable for this seat.
page 53) or if the vehicle and the seat are listed in the
Y
Front-passenger front air-
bag is enabled
X
X
UF, L
UF, L
UF, L
Left, right
U, L
U, L
U, L
U, L
U, L
Children in the vehicle
Front-passenger front air-
bag is deactivated
U, L
U, L
U, L
U, L
U, L
5
Centre
U, L
U, L
U, L
U, L
U, L
51
4
Z