When A/C is not working everything is perfectly normal. With the A/C on, idle is normal, however it intermittently stalls (happened twice today) when slowing down for red lights, traffic, etc. Any similar experience or cure for this?

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2001 E200 Kompressor Avantgarde
1987 300E 5-speed
1976 450SLC
1975 280S (sold)
1973 230.6 (sold)