Audiomecca Mephito 2 tracking problems at end of c

Has anyone experienced this? My Mephisto doesn't track well toward the end of most cd's. The problem seams to be getting worse. I have heard that this is common yet I have not seen any posts on this regard? Why? Yes it is level and the suspensions are even and the tracking is on "0" but has no effect on the tracking...Any ideas? Sounds and works great on the first 80% of all cd's! Some it will play through most it will not. It will skip and then just lock up. HELP! :(