1993 400 SEL or a 1996 S420

Asides from the 3 year difference which car is mechanically better? And is likely to have less problems.

Thanks in advance.

Thanks.

__________________
1993 400SEL (W140) 281K
1999 S500 (W140) 163K (Sold)
2002 S500 (W220) 72K
1999 S500 (W140) 88K
You cannot simultaneously prevent and prepare for war.
Albert Einstein (1879 - 1955)