Like JJBoxster above, I've always liked the E-Class although I've never owned one or am likely to (much bigger than I need as a single bloke).
An old boss of mine had one of the pre-twin-headlamp ones and it was built like a tank, went really well and was just so comfortable. I was reminded of it when on holiday in Paris recently; we grabbed a taxi at the Gare du Nord to get to the hotel and it was an old-style E-class in immaculate condition, driven by a very jolly Frenchman of (I guess) North African descent who was obviouly very proud of his car. The seats were sumptuous soft leather, the engine was almost inaudible and it wafted along in the heavy traffic with a soft compliant ride that was more big old Citroen than what you'd expect of a German car. The driver told us his car had done over 300,000 kilometres and that he wouldn't change it for a newer one as they were "sheet" !! His English was good enough to understand what he really meant.
If Mercedes can make this new one like that old taxi I might even consider buying one when they get to three years older or more.
"You can fool all the people all the time if the advertising is right and the budget is big enough." - Joseph E Levine