If I were you, I would just go for the 500SL/SL500. SLs are really heavy cars, and the inline-six just isn't enough. Also, V8/V12 will have better resale value if you decided to go for next-gen. SLs.

Wish you find your SL soon.....
Happy Hunting....
Andy Kuo
'92 400SE
71,014 KM