94 sl320 idle problems
 

Cold start idles ruff it's Okay when it warms as soon as you turn the ac on back to idle problems.. Any ideas?

Thanks
William

I had an idle problem on my 1991 300sl. My mechanic found that the oil change place had disconnected a hose on the air cleaner when they tried to check the filter. He reattached the hose and it has been ok for the last 3 years. You might look at hose connections.
Tom