Mercedes-Benz GLS 2020 Operator's Manual page 111

Press release catch 1 and swing the cover
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of the armrest upwards.
Through-loading feature in the rear bench
seat
Folding the rear seat backrest forwards
& WARNING Risk of injury if the rear
bench seat/rear seat and seat backrest
are not engaged
If the rear bench seat/rear seat and seat
backrest are not engaged they could fold for‐
wards, e.g. when braking suddenly or in the
event of an accident.
If this is the case, the vehicle occupant
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would be forced into the seat belt by the
rear bench seat/rear seat or by the seat
backrest. The seat belt cannot protect as
intended and could result in additional
injury.
Objects or loads in the trunk/cargo com‐
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partment cannot be restrained by the
seat backrest.
Make sure that the seat backrest and
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the rear bench seat/rear seat are
engaged before every trip.
If the left and right seat backrests are not
engaged and locked in place, this will be shown
on the multifunction display on the instrument
cluster. A warning tone will also sound.
If the center seat backrest is not engaged and
locked, the red lock verification indicator will be
visible.
The center and outer seat backrests can be fol‐
ded forwards separately.
The outer seat backrests are unlocked electri‐
cally. The release buttons are located inside the
cargo compartment.
Seats and stowing 109
Insert seat belt tongue 1 into seat belt
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extender 2.