What happens when you stitch the head of a lion onto the body of an eagle? A whole lot of not-good, just ask the Greeks. Trying to do too many things at once—and trying too hard at it—is often a recipe for disaster. While the GLE450 AMG isn’t a misbegotten science experiment, it’s still not sure if it should fly or roar.

For more of my story on the GLE450 AMG check out the piece I wrote over at Yahoo! Autos. You can also follow my work on my Tumblr.