Hi, Alan I see that the info I pasted has an error, make the '85 an I5.
And actually the OM603 I6 displacement is something like 2.996 L not 3.0 Liters. whats a few centiliters between friends anyway?

Anyway the turbo model numbers are hard to find on the turbos themselves I don't see much in the way of ID.

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'95 E320 Wagon my favorite road car. '99 E300D wolf in sheeps body, '87 300D Sportline suspension, '79 300TD w/ 617.952 engine at 367,750 and counting!