Finally, after 30 years of dreaming of buying a Mercedes Diesel, I finally have one. I purchased a used 2006 E320 CDI in November of 2009. I am beyond impressed. First, the vehicles systems are easy to access, air, fuel and air filters all are easy to access and change. I am a bit of a technical nut so this is important and it should be important to every person as it makes repairs cheaper. This car is built like a panzer tank. It effortlessly cruises at 100 and the economy is uncanny. I routinely get 40 MPG in MIXED DRIVING. My best is 45 MPG on a trip on Maine. This car is Quiet, and remarkable powerful. It blows away my BMW 3 series. LOVE IT LOVE IT LOVE IT!!