had to get a wagon for work. want to make modifications to have some fun. i've looked at kleemanusa.com, renntech, brabus but don't find anything for w210.

1. does anyone know of sites that have filter kits, exhaust, cams, springs, sway bars, or even kompressors?

2. What modifications make sense (most bang for the buck)?

3. can anyone recommend mod shops in the midwest (IL, IN, OH, MO) or PA?

thanks in advance