Speedriven has tuned Mercedes-Benz E-Class W211 (2002-2009). The tuning company has released some pictures and details about the brutal luxury saloon. The name of the project is EV12. Speedriven E-Class is powered by a huge V12 twin-turbo engine with some modifications, which stay in secret. However, the tuner reported that EV12 has a maximum output of 700HP, which are send to the rear wheels. The results is thanks to top-mounted water-to-air intercoolers, Scorpion air intakes, larger fuel

Mercedes SL 600 received a special tuning package from Chicago tuner Speedriven. The staggering thing about it is that the roadster will go on Natural Gas. 2007 SL600 Mercedes-Benz roadster is powered by 5.5 liter twin-turbo V12 delivering 811PS (597 kW) and 1354Nm (1000 lb-ft). It does a 1/4 mile in just 10 seconds. However, the world record for the fastest CNG-powered car is still held by Hohenester Audi A4 tuned to 710 (522 kW), which hit 364.6 km/h (226.55 mph) in 2009. The goal