Effective high performance motor mounts do not last forever. Less effective and very hard rubber mounts do last a long time but they do not give you the smoothness of the oil filled mounts. Kent explains a couple things you can do to quickly check the condition of the mounts in your car.
Problem & Solution
Common among these chassis:
To see all the videos in this in this multi-part video series go to the playlist: https://www.youtube.com/playlist
Kent covers some of the most common service and maintenance you can do on these cars yourself. Once again, if you are going to own one and you want a happy and long lasting "marriage" you had better learn how to do some of the maintenance yourself. The series begins will some of the simple things you can do if you are just starting out working on your own Benz and will move on to some of the more difficult intermediate D.I.Y. jobs.