Extending/retracting the load compartment cover
WARNING Risk of injury or death due to poorly secured objects
The load compartment cover alone cannot secure or restrain heavy objects, items of luggage or heavy loads.
You could be hit by an unsecured load, particularly in the event of abrupt changes in direction, sudden braking or an accident.
Always stow objects in such a way that they cannot be thrown around.
Secure objects, luggage or loads against slipping or tipping over, e.g. by using lashing material, even if you are using the load compartment cover.
NOTE Damage to the load compartment cover when loading the vehicle
The load compartment cover may be damaged when the vehicle is being loaded.
Do not place any objects above the lower edge of the side windows or on the load compartment cover.
This equipment is available for all vehicles except Mercedes-Maybach vehicles.
To extend:
pull the load compartment cover back by grab handle 
and clip it into brackets 
on the left and right. Retracting
Remove the load compartment cover from the brackets on the left and right.
Guide the load compartment cover forwards using the grab handle until it is fully retracted.
The rolled-up load compartment cover can be used in two positions:
Folded 45° upwards for loading (fold down before commencing your journey)
Horizontal position