Well, peak horsepower is the commonly accepted measure of power.

And the assertion of better "significantly" better 0-60 times doesn't seem to be supported either. Most sources show the 119 at slightly under 6 seconds, the 113 at slightly over.

Example

http://www.zeroto60times.com/Mercedes-Benz-0-60-mph-Times.html

__________________
Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe