Mercedes-Benz S-CLASS 2017 Operator's Manual page 288

Stowage areas
286
Vehicles with a rear bench seat
Vehicles with electrically adjustable outer seats
Release the Velcro fasteners on skibag :.
X
Pull skibag : into the vehicle interior and
X
unfold it.
Open the trunk lid.
X
Pull handle : on the flap.
X
Fold the flap to the side until it is held in place
X
by the magnet.
Slide the skis into the skibag from the trunk.
X
Pull strap : tight by the loose end until the
X
skis are held firmly inside the skibag.
Vehicles with a rear bench seat
Vehicles with electrically adjustable outer seats
Engage hook ; in securing ring =.
X
Pull tensioning strap ? tight by the loose
X
end.
Removing skis and folding up the skibag
Release lashing strap :.
X
Loosen tensioning strap ?.
X
Remove hook ; from securing ring =.
X
Take the skis carefully out of the skibag from
X
the trunk.