err.. well if it's a 500SEL rather than 500SE (same model year), the SEL is a long wheelbase version (hence the L)... so has something like an extra 6 inches.
The later models are S500, and S500L (again, long wheelbase version).

that's it!


later

Russ

__________________
190E's:
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
http://www.maylane.demon.co.uk/190esmall.jpghttp://www.maylane.demon.co.uk/190esmall2.jpg