Thanks to all...
...of you who responded with information, suggestions, etc. Your answers got me thinking that a total repaint was not really necessary as the problem is located on the roof and trunk.
So I visited a few more shops and I found some reputable body shops that will repaint the affected areas, and blend it in with the rest of the car, for a lot less than the $3k to $4k that I was quoted for a full repaint.
One of the guys even used this nifty little device that measures the thickness of the paint. It turns out that the paint's thickness is in the "real-good" range everywhere except the roof and the trunk. So those will be the only areas painted and blended.
And yes, I made sure that htey use Glasurit (lifetime warranty for as long as I own the car) or Dupont paint.
Again, thanks for all the good information.
1989 300TE "Alice"
1990 300CE "Sam Spade"
1991 300CE "Beowulf" RIP (06.1991 - 10.10.2007)
1998 E320 "Orson"
2002 C320 Wagon "Molly Fox"
Res non semper sunt quae esse videntur
Not in this weather!