Complex sentence: In Europe and Australia, the 300C is available with a Mercedes-Benz 3.0 L diesel V6 engine (internal code OM642) rated @ 3800rpm and @ 1600rpm, which will soon be available with NO x BlueTec clean-diesel technology.
Split into simpler sentences: In Europe and Australia, the 300C is available with a 3.0 L diesel V6 engine (internal code OM642) developed by Mercedes-Benz. It produces and of torque and will soon be available with NO x BlueTec clean-diesel technology.