WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
Use special tool Flywheel stopper (MB991883) to secure the drive plate or flywheel.
Remove the crankshaft pulley center bolt.
Fig 1: Identifying Special Tool Flywheel Stopper (MB991883)