Mercedes-Benz GLS Owner's Manual page 120

third row of seats and hold it down until the
rear seat audibly engages.
The rear seat will tip downwards and move
back. The seat backrests and head restraint
will then move into a suitable seat position
automatically.
If a seat on the second row of seats is not
engaged, this will be shown on the multifunc‐
tion display on the instrument cluster.
To interrupt the folding procedure before
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engagement, let go of button 1. To continue
the folding procedure, press and hold button
1 again.
Folding the rear seats forwards mechanically
(emergency release)
You can also fold the rear seats forwards
mechanically using release loops. The release
loops are located on the outer sides and rear
sides of the seats on the second row of seats.
Release loops on the second row of seats
Release loops on the rear sides of the second row
of seats
Seats and stowing 117
Pull one of release loops 1.
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Fold the seat backrest forwards.
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Before commencing your journey, make sure
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that the seat backrest and the rear bench
seat are engaged.
Head restraints
Adjusting the front seat head restraints man‐
ually
& WARNING Risk of accident due to
adjusting vehicle settings while the vehi‐
cle is in motion
You could lose control of the vehicle in the
following situations in particular:
If you adjust the driver's seat, the head
R
restraints, the steering wheel or the mir‐
ror while the vehicle is in motion.
If you fasten your seat belt while the vehi‐
R
cle is in motion.
Before starting the engine: adjust the
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driver's seat, the head restraints, the