Looks like this is tuned the same way the Kleeman kit is. Should work on the 3.2 with a larger pulley.
http://www.ebay.com/itm/Custom-Vortech-Supercharger-Kit-For-Mercedes-m112-m113-Engine-AMG-/321283377463?pt=Motors_Car_Truck_Parts_Accessories&hash=item4acdfb4937&vxp=mtr