Originally Posted by smokey847
I just don't understand it. Why would MB make a V6 engine that consumes Premium fuel? My mom's Cadillac is a V8 with 320 horsepower, and takes regular. Why couldn't Mercedes pursue this path too? I don't get it...

Well I would say that it is because of the 10.5:1 compression ratio... You put crappy gas in you get predetonation and in turn you get timing pulled which creates less horsepower overall.