I have a 350 E coupe which has just gone back to the dealers to sort a leaky window out. They gave new the new 250 as a replacement vehicle....... Very impressed. The engine is very smooth as is the gearbox and the throttle response is astounding, makes me wonder how good the new C350 will be. Map pilot in comparison to COMAND is pants though.....got 53 mpg on a 230 mile run. Impressive as it is though can't wait to get my 350 back.