I have no problems till I did a retrofit on the air conditioning . Now car stall every 15 minutes it is a 1984 Mercedez 2 dr. 390 sl gas. Someone says timing or an o sensor I don't really know if it is these things?
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1990 Mercedes-Benz 300SL Question: My mercedez 380 sl 1984 starts and stalls like every 15 minutes is it timing ?
Answer #1ziptie12 August 19, 2012, 05:38Master
Disable the a/c and see if the problem goes away. that would be a starting point. Who was the retro-fit done by ? was the system evacuated and vacuumed down , before charging with R-134? Or was it already empty so someone just put fittings on and charged it?