From experience, I know that just within the 190 series, the radiators are slightly different. I can't comment on the W124 radiators.

Here's an earlier post comparing six different 190 radiators (with drawings) so you can see if any of them are a match for what you're looking for.

http://www.peachparts.com/shopforum/diesel-discussion/141037-radiator-compatibility-190d-vs-190e.html#post1054752

__________________

1989 250TD Wagon 5-speed, 160,000mi ::: Dark gray metallic / black cloth
1984 190D-2.2 5-speed, 287,000mi ::: Silver-blue metallic / black MB-tex ::: SOLD