Best place to get one of these..

[Flackadder]

https://www.flickr.com/photos/flackadder/36160353224/in/dateposted-public/

Nearside rear sill cover thingy. They are stick on, though this one maybe beyond saving.

Also, a part number if anyone could help would be great.

Thanks

 

[l5foye]

I am looking for one of those too .

 

[bob6600]

MERCEDES W204 REAR LEFT DOOR SILL COVER PLATE C CLASS ESTATE C220 A2046800335 | eBay