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9G-Tronic on the way

By SYF77 on 22 Jul 2010

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According to a report, Mercedes is developing a nine-speed automatic transmission, which I believe is a world’s first.

Dubbed 9G-Tronic, the gearbox will offer improved fuel efficiency and reduced CO2 emissions compared to the existing seven-speed 7G-Tronic. It will be mated to large displacement engines and could make a possible debut on the redesigned 2012 S-Class. Going forward, Mercedes apparently believes that nine gears is the maximum number of ratios that are technically possible. More importantly, the company thinks consumers won't accept a ten-speed unit. It may be too complex to build one as well.

The 7G-Tronic was the first seven-speed automatic transmission when it was introduced in 2003. In recent years, it has been outclassed by the new 8-speed ZF transmission used by Audi and BMW.

9g-tronic, mercedes, transmission and 2 more...

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SYF77
Written by SYF77
I have been a car fanatic since 1989, when my father was changing our family car then to a Toyota Corolla 1.6 GL fitted with a Twin Cam 16 valve engine that was carburetor-fed, a big deal back in those days. The automobile technology and industry fascinates me and I hope to broadcast these interesting developments to everyone out there through this blog.



  • 1
Eyke Jul 22 2010 10:53 AM
9 speed auto only.

CVT is INFINITE speed auto.
Friendstar Jul 22 2010 11:20 PM
i'm just wondering why they don't use CVT?
Eyke Jul 22 2010 11:41 PM
they do, but only for A- & B-Class
ER-3682 Jul 23 2010 10:18 PM
I wonder if this car comes to S'pore,will it used up all the 9 gears in our low speed limits roads.?
Rtth84 Jul 28 2010 02:05 PM
CVT will have "rubber band" effect cos there's no actual gears.

thats what I think.
  • 1
 
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