I have a 1986 560SL. I keep failing emissions and have a rough idle. I have done some of the obvious things including tune-up, etc. I have also replaced the valve stem seals as I was blowing some blue smoke on cold starts. Unfortunately I don't currently have the time to keep playing with this and would like to get it back on the road.

Can anyone recommend a shop in the North Atlanta area (Acworth Kennessaw, Woodstock, Marietta). I need someone that can do a fair diagnosis and fix.

Thanks
Neil