Mercedes-Benz S500 Plug-in Hybrid: 245kW-plus and less than 3.3L/100km

The Mercedes-Benz S500 Plug-in Hybrid has been shown ahead of its official debut at the Frankfurt motor show in September. CarAdvice and other Australian media were among the first to see the S500 Plug-in Hybrid, which in long-wheelbase test-car form was rolled out for the first time at the Mercedes-Benz S-Class launch in Toronto, Canada �?" curiously, earlier waves of foreign media were not