The four-wheel-drive system was developed in conjunction with Steyr-Daimler-Puch (currently Magna Steyr), who manufactured the Mercedes-Benz G-Class in Austria.
Sistem penggerak 4 roda ini dikembangkan bersama dengan Steyr-Daimler-Puch (sekarang Magna Steyr), yang memproduksi Mercedes-Benz G-Class di Austria.