I'd sure like to see what is behind this as well. How can you increase power and fuel mileage. The fuel mileage has been dissapointing in the newer MB engines. The old 3valve 3.2 litre V6 used to get 29-30 mpg in the E. The new 350 is lucky to get 25 mpg. The 300 which has less power doesn't get any better mileage. What gives. These engines/ trannies grab when you take your foot off the gas. I think this really hurts mileage. Why does MB do this?