Been readind this site for some time. Have a SLK350 2005. This car has been so fun to drive and a pain to work on. LOL right now I am having issues with AC. As many of you out there did. Thank all that shared your experiences. After reading several threads and checking AC components looks like the SAM has an issue. Took a little while to take apart and see what Capacitors where needed. Capacitors will be here today and will replace them. Again thank all for sharing steps and problems.