Clean car, no issues, oil changed at least twice a year, replaced plugs coil packs, air filter for K n N panel filters, most sensors on the engine, battery, new radiator and thermostat, this was all done when I purchased the vehicle 3 years ago, cost me just over a thousand for works, rad had a leak, but all the other work was choice and not actually required, i owned a garage for some years in the past, third s500 I've had, apart from the vehicle tax this car is quite cheap to run, drives more comfortably than most new cars, it has AMG line trim, grey interior which was the reason I wanted this one in the first place, exec pack, heated and reclining front and rear seats, auto lights, wipers, speed sign recognition with nav, DAB, personal key x 2.