See also:

Switching the rear-compartment climate control on/off 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 ...

Socket in the rear-compartment center console
Pull cover 2 out by its top edge. X Lift up the cover of socket 1. ...

Activating/deactivating
The evaporator is ventilated when the airconditioning system is operated. The blower is activated automatically approximately one hour after the vehicle has been locked. The blower operates on ...