If you just want to slice through the object use the Slice Plane (Editable Poly > Polygon SO level > Geometry rollout > Slice Plane).
If you want the Shape of the slice rather then actually slicing it, Create Panel > Shapes > Section.
Max 2016 (SP1/EXT1)
Win7Pro x64 (SP1). i5-3570K @ 4.4GHz, 8Gb Ram, DX11.
nVidia GTX760 (2GB) (Driver 430.86).