2010 c300 4matic sport---NEED QUIET AND COMFORT!!!
All new tires sound and feel good.
The difference in tires of the same type (A/S, summer, winter, "performance") is how long they last, how much they cost, and not much else.
I ran Conti LX25s on my W166. Try those.
https://www.tirerack.com/tires/tests...y.jsp?ttid=289







