Mercedes-Benz recalling 2,297 diesel cars for fuel leak

Mercedes-Benz is recalling nearly 2,300 diesel-powered cars to fix a leak in the fuel system. The recall covers 2011 models of the E-class, the GL-class, the M-class and the R-class. The fuel leak is caused by a faulty fuel-filter O-ring that may have not been properly lubricated.

Porsche chief Wendelin Wiedeking resigns

Porsche chairman Wendelin Wiedeking has bowed to mounting pressure in announcing that he will step down immediately. The resignation came Thursday, following a surprise meeting of the company's supervisory board at its Weissach R&D headquarters outside of Stuttgart, Germany, on Wednesday night. Wiedeking's announcement comes after months of tense and public infighting following Porsche's failed attempt to wrest control of Volkswagen, which left it with $12.7 billion in debt, and slowing sales in key markets such as North America.

Possible Ferrari F70 tester spotted

The above photos of what very well might be a development mule for the next primo Ferrari —likely to be called the F70—were recently posted on the Ferrari 4/5 Competizone Facebook page. The future F70 is expected to be a front-runner in the competition between the very best cost-no-object supercars. The F70 will feature a 7.3-liter V12 coupled to a kinetic-energy-recovery system, a combination that will be good for 920 hp.