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by Brett Davis

Enough is not enough, it seems, as Mercedes-Benz are now working on a new gearbox that is said to offer a mountain-bike-like nine different forward gears.

You read correctly, a nine-speed automatic is under development and headed for upcoming Merc transmission tunnels. Reports by Autocar say the gearbox will be mated mainly to larger cars and engines in the Merecedes-Benz range.

Mercedes-Benz claim using nine speeds dramatically improves fuel economy as the engine power and torque is spread more evenly rather than the engine pulling longer gears.

It is quite a bewildering amount of ratios to fathom, is it too many? Mercedes has said nine is the maximum number of cogs physically capable of fitting inside a passenger vehicle gearbox though, so there’s a sign of limits ahead.




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