I saw a short article in the MB Star Magazine last fall that stated that the practice of using ATF in the fuel of the diesels did harm to the injector tips. This was tested because so many owners were using it as a fuel additive.

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Mr Goodfahrt (pronounced FAIRT... means "good trip" in German)

1982 300D Turbo Pastel Gray (off-white) 200k+(?)
newbie but willing