Here is simple way to use OM605/6 gasket
You only need drill couple holes using old 602/3 gasket and it fits straight on.
MLS gaskets can be found original on Mercedes or every shop who sell Victor Reinz gaskets.
Victor Reinz nro OM605 = 61-31665-00
Victor Reinz nro OM606 = 61-31670-00
If use high boost spay that at VHT Copper Gasket Cement and hit boot that engine