New Mercedes Benz SL500 tuning program by Carlsson

The German tuner Carlsson presented their latest creation, the Carlsson CK50 tuning program for the new Mercedes Benz SL500. By installing a new electronic control unit (ECU), the 5.5 liter V8 engine now produces 435 hp / 320 kW at 6,000 rpm and 600 Nm of torque, 53 hp more than the factory version (388 [...]
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Video: Cadillac CTS Coupe spied
The Cadillac CTS Coupe debuted at Detroit, we saw it live at Geneva and we were really impressed with it. So here is a spy video by Inside Line, which shows the car being tested at GM’s Milford Proving Grounds. Though the CTS Coupe is pretty well camouflaged, we can see that the production version [...]

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