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Concept Car of the Week: Mercedes-Benz C111, C111-II and C111-IID

In 1962, Mercedes-Benz launched a research program to investigate the development of the Wankel rotary engine and its potential both on the road and track. While the early mule wasn't a looker, the prototype's design continued to evolve until a public unveiling of the C111-I concept, designed by Bruno Sacco, at the 1969 Frankfurt motor show. The coupé may have looked like the systematic further development of the Sport Light models from the ‘50s with its gullwing doors, but it wasn't a design study for a new SL.

Opel/Vauxhall Adam Rocks previews crossover, cabrio

Opel/Vauxhall has previewed its Adam Rocks 'concept' ahead of its world debut at next month's Geneva motor show. This mini-crossover is taller and wider than the production Adam thanks to a suspension raised by 15mm with a 20mm wider stance. Its fabric sunroof suggests it will compete with the Fiat 500C and the new Citroen DS3 Cabrio.  The sketches show unpainted plastic bumpers and extended wheelarches along with underbody protection, emphasizing its rugged appearance apparently inspired by "parkour athletes".

Volvo S60 (2010 / 2011) details

Volvo has released much more detail on the 2010 S60 The new Volvo S60 has been on its way for a very long time. We had the concept S60 at the Detroit Motor Show at the start of 2009 and Volvo teased the 2010 S60 (as they would) at the end of 2008. But the reveal proper is closing in (Geneva Motor Show next month) so we now have a raft of information from Volvo and some new S60 photos.