FRANKFURT--Here's a riddle for luxury automakers: How will big, high-powered cars fit into a world that's greener, more congested, and more tightly regulated than today?
Mercedes-Benz rolled out one possible answer here last month with the F125 concept car.
The F125 checks off many of the boxes on automakers' future-think wish list: hydrogen fuel-cell power train, high-priced materials, computer-assisted driving, advanced telematics. So it's tempting to see it as a science project.
But if you listen to Thomas Weber, r&d chief for Mercedes' parent company Daimler, you realize that the F125 addresses a serious concern--the … Read more