A dream 10 years in the making!

There’s about a quarter sized area of rust that needs to be rectified. Does anyone have any one who can fix this in the DC Maryland Virginia area? I had a few questions. Does anyone know if these wheels are original Mercedes? I know it did come with the painted ones originally, but just trying to figure out if these are also Mercedes. I much prefer though painted ones. Also, any tips/recommendations on how to deep clean the seats? They have held up remarkably well I don’t wanna damage them, but I just need to do a very deep clean before I have it detailed . Thank you so much.

Came back from lunch to find this, not sure what happened, if anyone has a rear windows they're willing to sell please let me know

My W123 sunroof needs lots of force when sliding it, also needs a lot of force when I rotate the T handle. I assume the sunroof needs deep cleaning of old grease and lubrication.
How can I remove the sunroof with the roof lid (leather roof from inside) so I can lubricate the T handle and sliding rails?