Mercedes-Benz pmn Operator's Manual page 238

Controls in detail
Loading
6 Strap
Tighten strap 6 by pulling at the loose
end (arrow) until the skis in the ski sack
are tightly secured.
236
7 Hook
8 Eye
Connect hook 7 to eye 8.
Tighten strap by pulling at the loose
end (arrow).
Unloading and folding
Loosen the straps.
Disconnect hook 7 from eye 8.
Unload skis.
Close flap in trunk.
Fold and flatten ski sack lengthwise.
Place folded ski sack inside recess of
backrest.
Fasten hook and loop fastener.
Close ski sack compartment cover.