Mercedes-Benz GLS Owner's Manual page 145

142 Seats and stowing
Folding the seat backrest on the third row of
seats forwards
Left-hand-drive vehicle (example)
In the rear (seven-seater): briefly pull one of
#
buttons 1.
In the load compartment: briefly press one of
#
buttons 1.
Folding back the seat backrest on the third
row of seats
Left-hand-drive vehicle (example)
In the rear: briefly press one of buttons 1.
#
If a seat backrest is not engaged and locked,
this will be shown on the multifunction dis‐
play on the instrument cluster.