I think that all 1982 and 1983 240D's have EGR.

(assume W123 240D) If you take your air filter off, and look down into the intake manifold and see a butterfly valve (throttle plate) that doesn't quite seal all the way- then you have egr.

-John

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2009 Kia Sedona
2009 Honda Odyssey EX-L
12006 Jetta Pumpe Duse
(insert Mercedes here)

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