I'm not sure on the manufacturer but it does seem like it's a Daimler produced one.
But it looks like the commander of it was Oberscharfuhrer Ropeter belongin' to Kamfgruppe Peiper n' the location is between Stoumont n' Targnon where retreatin' US soldiers set up an ambush along the road that took #225 out with an 90mm AA gun, two of Ropeter's crewmembers perished in the flames.
Here's a larger version of the same photo: