 If you want a car which will spend a great deal of time in the shop, and cost you thousands of dollars in repair bills, then this is the car for you.  These cars are overly complex and prone to break down A LOT.  Repairs by Mercedes Dealers are a complete scam.  Dealer once tried to charge me 800 dollars to replace thermostat.  A simple thermostat!!    Since I have owned this vehicle the "airmatic" air suspension went out.  ( $ 3,000 to $ 4,000 if Mercedes repaired it ).  I opted to replace air suspension with coil spring conversion kit, cost me about $ 400.  Engine started leaking oil last year, not sure how much this repair will be. Recently the transmission control module went out.  I'm at the point that it may be cheaper to just junk it out and buy a Honda.