This topic has probably been discussed over and over again, but I am still having some issues (very minor now) with the ac in my 201. The problem is this, if I am sitting at idle for an extended period of time say 10-15 minutes, then I will get maybe between 55°- 60°F at the vent. In a car that was made post R12 could be any make it model or year after R12, sitting in the car idling, the ac feels extremely cold. All my components for ac are new, including a brand new Denso compressor. So considering that the only major difference between pre R12 and post R12 systems aside from the refrigerant is the condenser (tube and fin vs pf) does that make that much of a difference? I am not running r134 in my car I have put in r152 and I will tell you that it is cheaper and at least 60% better. Does anyone have any recommendations on a near drop in with minimal modification for a pf condenser for a 201?

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1990 190E 3.0L