run whilst you can

Hi Got my first post in the wrong section so hope this is OK. I'm considering buying my first Merc to replace an aging Omega Elite Estate. I tow a caravan so I thought a well specified E320 Diesel Estate would fit the bill with all the toys I wanted. After reading the forum I came down...

I'm a longtime Audi driver and want to jump ship to try a Mercedes Benz E Class Estate. Current car a 2003 A6 Quattro Avant. I can't decide between the E320 and E220 models. I'm looking for good fuel efficiency and will be doing a 75 mile each way commute (mostly motorway). What mpg do...