Thanks for the excellent post Mike - have not worked on Benz alternators before. Unique brush holders. Will check this out next, although I have no dash lights illuminated.

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93 190E Sportline (RIP) (45K)
92 190E (Xferred most Sportline parts to this body)
88 300CE (71K)

And the Jeeps:
01 2WD Cherokee XJ (35K, Mama's grocery/kid hauler)
91 4WD Comanche (300HP stroker)