Hello BisB; You have the right part No. that worked foe me. But it is not located in the door its behind gauges in dash. I don't know why its called door module. Also need to clarify when I did mine mechanic said some will work others need to be programmed, I got lucky. Also getting someone to sell to me was frustrating Mercedes wants nothing to do with this problem unless its a Mercedes. If Chrysler says that module will work at least they've pointed you in right direction, Hopefully. Good Luck