
Mercedes-Benz 7G-Tronic transmission
World's first 7-speed automatic from 2003

World's first 7-speed automatic from 2003
7G-Tronic is Mercedes-Benz's trademark name for its 7-speed automatic transmission type 722.9. It was produced from 2003 to 2020 in different variants as converter-7-gear-automatic transmission (German: Wandler-7-Gang-Automatik). The core models W7A 400 and W7A 700 are for engines up to 400 N⋅m (295 lb⋅ft) or 700 N⋅m (516 lb⋅ft) maximum input torque.
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