The Mercedes-Benz G-Class, colloquially known as the G-Wagen is a four-wheel drive automobile manufactured by Magna Steyr in Austria and sold by Mercedes-Benz. Originally developed as a military off-roader, later more luxurious models were added to the line. In certain markets, it was sold under the Puch name as Puch G until 2000.

Magna Steyr GmbH & Co KG is an automobile manufacturer based in Graz, Austria, where its primary manufacturing plant is also located. It is a subsidiary of Canadian-based Magna International and was previously part of the Steyr-Daimler-Puch conglomerate.