Magna Steyr Fahrzeugtechnik GmbH & Co KG, an automobile manufacturer based in Graz, Austria, is a subsidiary of Magna International. Specializing in contract manufacturing, it assembles vehicles for other companies and has a production capacity of about 200,000 vehicles annually, making it the largest contract manufacturer globally. The company has developed significant automotive technologies, including Mercedes-Benz's "4Matic" all-wheel drive system, and has manufactured vehicles for brands like BMW and Aston Martin.