My wire harness appears to be a Delphi wire harness, manufactured on May 18, 2001 (ref:
http://www.peachparts.com/shopforum/tech-help/313174-94-e320-delphi-harness-2-dates-how-do-i-know-if-i-have-updated-harness.html). I attached a picture showing where the tag is, just in case I am reading a wrong tag.
Looking a few wires that are not covered by the loom/wrap, the insulation appears intact and pliable. So my wire harness is ok.