According to Autoweek, Mercedes-Benz has rather quietly introduced a new nine-speed automatic transmission in Europe. Its first application is in the diesel-powered E350 BlueTec, where it replaces the previously used seven-speed unit in rear-wheel-drive applications.

Known as the 9G-Tronic, the gearbox was designed and is built by Mercedes itself. While acceleration to 60 miles per hour is unchanged despite the two additional ratios, the European Combined fuel mileage rating jumps from 42.8 mpg to 44.4 mpg (both US) thanks to significant increases in the city cycle.

Mercedes has confirmed that the new 9G-Tronic will eventually make its way to the States, but hasn't offered any timetable on its US arrival. When it does, though, it may appear first in gasoline models, as its diesel pairing in Europe isn't a combination offered in the US.


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    • 1 Second Ago
  • 11 Comments
      EZEE
      • 1 Year Ago
      1.6 mpg yay!
        paulwesterberg
        • 1 Year Ago
        @EZEE
        Global Warming? Problem Solved!
          Dave D
          • 1 Year Ago
          @paulwesterberg
          Not to mention the added cost and complexity! This is what they spend their R&D money on???
          EZEE
          • 1 Year Ago
          @paulwesterberg
          LOL! Doesn't really seem worth it, from a developement cost standpoint...no faster and 1.6.....
          Dave D
          • 1 Year Ago
          @paulwesterberg
          DaveM, I don't think this is a US vs rest of the world question, at least to me. It's simply a question of whether this was the best use of MB money to achieve improvements. And don't tell me that Big Corp X knows all and is infallible because I grew up in IBM and owned the relationship between IBM and Chrysler when MB bought them and I saw plenty of mistakes on ALL sides.
          DaveMart
          • 1 Year Ago
          @paulwesterberg
          They have to hit tough European fuel economy standards. It is not just the US which drives the investment by manufacturers with regulation.
      sgregg59
      • 1 Year Ago
      those diesels have a narrow powerband,need more gears
      2 wheeled menace
      • 1 Year Ago
      It doesn't go to 11? what use is it.