They'll find another S500, same year, etc., steal it, take the vin of the wreck, put it on the stolen one. Register it, and they're good to go.
You can probably buy a nice stolen 2001 S500 for $10,000-$20,000, in the black market.
2003 S500 Black/Charcoal
1990 560SEL 61k Arctic White/Grey
1988 420SEL Black/Palomino Sold @ 85k
1987 420SEL Midnight Blue/Grey
1986 420SEL Diamond Blue/Grey
1983 380SEL Champagne/Palomino