The car likely has a converter on it, it just goes not look the same as the usual ones. My 280 is also a grey car but I have not had to explian that to anyone yet. The car was smoged when I got it and have not needed one since. This county does not require it.

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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)