Should i get a 2005 or 2006 mercedes c230?

this is the next car i want. all i hear are good things, and i can't afford a new mercedes. is there a better year for the mercedes between these two? prices are comparable, the 2005 i am leaning towards actually only because it got a bit better mileage. anyone experienced with mercedes please chime in, and if you have other comments that might help me with my next purchase, feel free to share.