I mean it's totally unlikely of course, but you were wondering what they could have possibly done to make such a difference, and there's not much more than that (unless they installed a hotter T-stat).

I guess it's also possible that the flush knocked some crud loose that is now plugging passages in the radiator or something.....

This is why I miss radiator caps that let you look down into the radiator!

Very hard to say without being there!

__________________
-tp


1990 300SE "Corinne"- 145k daily driver - street modified differential - PARTING OUT OR SELLING SOON - PORTLAND OR. AREA - PM ME FOR DETAILS
1988 560SEL "Gunther"- 190K passes anything except a gas station
1997 S420 - 265k just bought it with a rebuilt trans. Lovely condition