Gas by the model name.And:
* Is it a Gas or Diesel?
* How many significant / expensive repairs along the way?
Purchased in 11/2015 with 66K miles
Replaced Airmatic compressor
Replaced front brake rotors and pads
Replaced 4 tires
Replaced front Airmatic struts with Coil struts
Replaced rear Airmatic bags with coil springs from ML320
Needs quite a few teeny tiny things. That's where the cost comes: no major breakdowns, but a sensor here and a switch there and a motor here and a relay there.......