Mercedes-Benz S-Class 2019 Operator's Manual page 131

Removal
Turn rotating catches 6 outward.
#
Lower box 1 and pull it out of anchorages
#
4.
Pull box 1 back out of openings 3.
#
Opening the stowage space under the trunk
floor
Pull trunk floor 2 upwards using handle
#
until it rests against the trunk partition.
Fold out hook 3 on the underside of the
#
trunk floor.
1
Clip hook 3 onto drip rail 4.
#
Attaching the roof carrier
& WARNING Risk of injury if the maximum
roof load is exceeded
When you load the roof, the center of gravity
of the vehicle rises and the usual driving
Seats and stowing 129