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ARTICLE

Nine-Speed Automatic Transmission 9G-Tronic by Mercedes-Benz

Daimler has designed the first nine-speed automatic transmission for longitudinal applications. The 9G-Tronic debuts in the Mercedes E 350 Bluetec and will be introduced in other models later on. Thanks to the higher efficiency of the patented transmission concept, the NEDC consumption of the E 350 Bluetec drops to 5.3 litres Diesel per 100 km. The improvements are primarily due to the new gear set and the on-demand actuation concept with a small main pump and electric auxiliary pump.
Author(s): Dr.-Ing. Christoph Dörr; Dipl.-Ing. Henrik Kalczynski; Dr.-Ing. Anton Rink; Dipl.-Ing. Marcus Sommer

Source: ATZ worldwide eMagazines Edition: 2014-01
 

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Transmission   Automatic Transmission   Nine-Speed Automatic Transmission   9G-Tronic   E 350 Bluetec   Daimler  
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