PrimeWire

You can now watch the entire Ultimate Factories Season 4 Episode 4 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.

Ultimate Factories: A Mercedes-Benz factory in Germany is visited for a look at the making of the 571-horsepower 2010 SLS.