A/C problem! It is TOO HOT here to not have it!

[fpilot]

Hi there. I am really hoping someone here has the answer. I have a 1986 560sl that has been in and out of the shop for the past 3 months. It is really starting to wear on me since the problem has not been resolved and it is just so hot here in Texas and the $ I have invested in this issue already. I recently had the compressor replaced since I was told the clutch was burned up and I was not getting cold air. Converted the freonto the newer freon, expansion valve was replaced as well as the drier and the a/c relay switch. Still no cold air. Okay, now have recently replaced the push button control module. Got cold air but not for long.

Here seems to be the problem....When I am accelerating the cold air kicks in and blows, if in traffic and barely moving in 95 degree temps then I just get air. Any suggestions? A bit of freon was added last week but we are still at the same problem this week. HELP Please! Thank you all!