Welcome to GCZ.

I've not heard anything about a diesel C-Class being prepared for the US market, but I wouldn't discount the possibility. The regular E320 CDI has done remarkably well in the US and Americans seem more open to diesels than ever before. Now is the time to bring diesels over and DCX knows this, for sure.

It wouldn't surprise me if we're going to see a C320 CDI Bluetec in the US at some point. Hopefully soon.