2010 C300 Sport
It would be helpful if I could get diagram or photo to do the retrofit.
So there is no guarantee to think that the memory module for the seats is included in the basic model. It is entirely possible that the P1-P2-E2 module includes the headlight washers memory which operate every tenth windscreen wash. If you decode the VIN, you may find that your W204 was built on an entirely different line than the US P1 and P2 lines.
On yet another production line is for W204s that have the installation of the HK system, which requires fiber-optic for the rear subwoofer amplifier feed.







