Question: The Mercedes-Benz R107 and C107 are the second longest single series ever produced after a class of vehicle manufactured by who? 
Sentence (from "Mercedes-Benz G-Class"): The Mercedes-Benz G-Class, sometimes called G-Wagen (short for "Geländewagen", "cross country vehicle"), is a mid-size four-wheel drive luxury SUV manufactured by Magna Steyr (formerly Steyr-Daimler-Puch) in Austria and sold by Mercedes-Benz.
Relevant evidence: Yes