for the people that own C,CLK,CLS,SL and SLK 55 AMGs built between 2003/3-2006/7 there is a paddle shift upgrade from the buttons available on the market,I have them fitted on my C55 and they work fantastic and only took 15 minutes take a look at the photos.they are on gpaddles@gmail.com
SLK32 If you have the button shifters on your then gpaddles can help you out,google gpaddles and you will find the website as I can't put the web address on the forum