Can anyone give me a clue as to how much freon my 126 should hold?

I don't speak or read German, and niether does my Portegy mechanic. But he does have a good stock of R12. But I think I'm going to go with the 134A.

Thanks, gettin a little hot in Cali this time a year.

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1984 280SEL, 62,000 miles
Euro model in the USA
1983 300D (Totaled out 10/2004)
New Factory Mint Green paint
Palomino int
1982 240D (Steak dinner for two)