Hi, I have a W210 E220CDI 2000mod.
I want to change my original MB stereo with a new Pioneer player. In my MB it is a multi function steeringwheel, some of the buttons on the wheel is to the original MB stereo player. Can these steering wheel buttons work with the new stereo player?

I'm sorry for my bad english. I'm from Norway

Hope you guys understand my problem with a new stereo player.