MERCEDES-BENZ F700; Shines light on next S-Class.(News)

Byline: GREG KABLE

A dramatically styled Mercedes-Benz research vehicle unveiled at Frankfurt showcases a series of high-end features the company plans to incorporate into future production models.

Dubbed the F700, the large luxury sedan plots a direct path to the next-generation S-Class due in 2012, with state-of-the-art engine and suspension technology, as well as an advanced avatar-based controller system and radical new styling developed by the German automaker's U.S.-based design studio in California.

Mercedes describes the F700 as a "futuristic interpretation of the classic sedan'' and predicts much of the technology it previews will begin appearing on production models within the next decade as emissions regulations become more stringent and buyer expectations grow with advances in fields such as consumer electronics.

While officials are quick to downplay the relevance of the new four-door's styling, Mercedes sources suggest that various themes explored within its body are likely to be developed further before being committed to production, including a bold front-end treatment said to preface the look of its future lineup, as well as individual elements such as prominent wheel arches and flowing C-pillars.

In a novel approach, Mercedes has provided the F700 with three conventionally hinged doors and a fourth rear-hinged door at the rear on the right, designed to facilitate entry and exit for those seated in the right rear, which can be either set in the direction of travel or turned 180 degrees.

More than its radically styled exterior, however, it is the one-off sedan's compact ...