The RCM at AutohausAz is a Mercedes SLK 320 part, which is the R170 platform that the Crossfire was built from when Daimler and Chrysler merged the Crossfire and Mercedes share around 90% of mechanical parts. This is the one I put in my 07 last year here's your part : https://www.autohausaz.com/catalog?v...age=1&sortby=r

Inside view of the RCM module. the fuel relay and engine relay should be closed for the engine to start and run