Brake Light On problems of the 2006 Dodge Sprinter

I have two recalls that needs to be done by a Dodge dealer which I tried two years ago with no success, the first one is brake light recall none of the Dodge dealers in my area up to 50 miles radius were able to fix the recall. Now I am trying to register my vehicle with dmv and I was told about the proof of correction that I need to provide for an emission recall. I called multiple Dodge dealers with no success to have it worked on plus I was suggested to call Mercedes Benz since it is a mercedes engineered vehicle and since its a Dodge they won't do the recall. Now I am stuck with a vehicle I can get fixed and registered. The vehicle is my work vehicle and I can't do any work/income because it can't be registered. Please advice.