Everyone here knows how much I love BMWs, however the fact of the matter is that as they get older, part for part and year for year, the Mercedes product will almost always outlast the BMW product. Mercedes builds their vehicles with the intent of rock solid reliability and long term ownership (or they used to before the most recent models/reliability issues).
Obviously between almost any BMW and Mercedes however there is always going to be a tradeoff for agility and performance. In my mind the big BMW sedans just tend to outperform their Mercedes counterparts when it comes to driving feel and contact with the road.
No matter what, any of these cars without proper prior maintenance is going to be an absolute headache, but it really comes down to what you want out of the car.
Obviously between almost any BMW and Mercedes however there is always going to be a tradeoff for agility and performance. In my mind the big BMW sedans just tend to outperform their Mercedes counterparts when it comes to driving feel and contact with the road.
No matter what, any of these cars without proper prior maintenance is going to be an absolute headache, but it really comes down to what you want out of the car.