S550: Second Thing Fixed - New Wheels

A slow leak in the front left tire revealed a cracked wheel. Actually, two cracks -- one in the barrel, and one on the inner rim. While the latter can sometimes be repaired with a weld, the former is fatal. Further inspection revealed that all four wheels had cracks, although the other three were not yet bad enough to leak air. Sigh. It seems almost certain that this damage was there when I bought the car (there's no way I cracked all four wheels in less than 1,000 miles). And since the front left tire was showing low on air when I first test drove the car, it also seems almost certain that the dealer knew about at least that one and didn't tell me. Caveat emptor, anyone buying from Mercedes Benz of El Dorado Hills. I should have had all the wheels pulled and inspected before purchase. So this brings us to the question of replacements. Since my S550 came with the "Sport Package" option (mostly appearance changes to the bumpers and side skirts), it came from the fa