See also:

Setting the rear-compartment airflow using the front control panel
Turn the SmartKey to position 2 in the ignition lock. Activate the rear compartment function via COMAND. The rear-compartment climate control can be controlled via the front control panel ...

Interior
The M-Class seats five people on front buckets and a three-place split rear seat that folds to expand cargo space to 81.2 cubic feet. An optional two-place third-row seat increases passenger capac ...

Stowage well under the cargo compartment floor
WARNING If items are stored in the compartment, make sure compartment is securely closed. In an accident, during hard braking or sudden maneuvers, they could be thrown around inside the vehi ...