Understanding the Mercedes-Benz 9G-TRONIC Transmission

By Product Expert | Posted in Tips & Tricks on Tuesday, December 22nd, 2015 at 6:44 pm
Mercedes-Benz 9G-TRONIC 9-Speed automatic Transmission

Mercedes-Benz has renamed and revamped a number of its vehicles over the course of the past year, and that will continue into the 2017 model year with models like the new Mercedes-Benz SLC. While the degree of the changes has varied, one common theme is the addition of a 9G-TRONIC 9-speed automatic transmission.

As an evolution of the 7G-TRONIC 7-speed automatic transmission found in most previous generation models, the new 9-speed version helps boost efficiency and performance. But before diving into the technical details, let’s get a better understanding for the Mercedes-Benz 9G-TRONIC transmission.

What is a Mercedes-Benz 9G-TRONIC Transmission?

Mercedes-Benz is always searching for ways to get more from its vehicles, and the new 9G-TRONIC transmission helps do that in a number of ways. As the first nine-speed automatic transmission in the premium vehicle category to feature a hydrodynamic torque converter, which transfers torque using fluid rather than a mechanical clutch, Mercedes-Benz is once again at the cutting-edge of the automotive world.

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The result? A 6.5 percent reduction in fuel consumption and new levels of comfort and performance.

Mercedes-Benz 9G-TRONIC transmissions include three selectable drive programs — economic, dynamic and manual. While economic and dynamic are largely self-explanatory, manual puts the power in the hands of drivers, as shifts can be made using steering-wheel-mounted paddle shifters.

Mercedes-Benz 9G-TRONIC 9-Speed Transmission Paddle Shifters

Improved Efficiency

Efficiency gains come from the wide gear ratios and the lightweight construction of the transmission itself. Despite the two additional gears, Mercedes-Benz engineers managed to install it in the same space in which its 7-speed predecessor was housed.

The wide-range of gears also allows for lower revs, which helps increase efficiency, especially in highway driving.

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More Dynamic Performance

In terms of performance, the 9G-TRONIC 9-speed automatic transmission is capable of skipping individual gears when downshifting, providing quicker accelerations and faster sprints.

In the utility segment, and perhaps in other segments of the Mercedes-Benz lineup in the future, models equipped with the 9G-TRONIC 9-speed automatic transmission also include DYNAMIC SELECT. With DYNAMIC SELECT, drivers can choose between a variety of driving modes that fine-tune key driving systems, including the transmission, to personalize performance.

Currently, the new Mercedes-Benz 9G-TRONIC 9-speed automatic transmission is available in all the recently refreshed utility vehicles, and it will continue to make its way into more Mercedes-Benz models as they get refreshed and redesigned in the coming years. In the meantime, take a closer look at these utility vehicles equipped with the new transmission.

 

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8 Responses to “Understanding the Mercedes-Benz 9G-TRONIC Transmission”

  1. Gabriel Peter Pushkas says:

    I just picked up my S550 convertible two days ago. The transmission stopped working after 77 miles, the car went into limp home mode, not responding to the accelerator and driving at 12 miles per hour. Just for comparison, my 1978 Ford Pinto went 127,000 miles before a transmission failure. So far, no diagnosis by my dealer. Ask me if I am happy.

  2. andrew says:

    how hard streight off the bat did you driver it or was that just normal driving

  3. Andrew says:

    You bought a mercedes. Nothing drives like a mercedes but you will spend a lot time with the mechanic and he’ll take a lot of your cash. Everyone knows this.

  4. SoftRose4You says:

    I just got a 2018 Mercedes Benz E300 and I have had no problems with the car and the 9 speed transmission is amazing. It has made the car faster and more fuel efficient.

  5. Oleg says:

    I have a car Mercedes metris 2017 year .. At 76,000 miles. The transmission was broken. The warranty does not work. Resolve the issue of $ 5,300. Where is the famous quality Mercedes? I am disappointed.

  6. Spero Skarlatos says:

    Picked up my 2019 GLC 43 AMG coupe. Broke her in with the recommended rpm and road speed. Now I can open her up a little and OMG. The modes, transmission, engine are a joy to drive. You need to practice the correct techniques and feel the car because this is serious technology. Proformance is amazing.

    The legacy continues.

  7. ross says:

    So, I just bought a new Mercedes with 5 miles and the 9G tronic transmission went into bump mode. Just kidding, I have a c class and the 9g tronic is amazing. Anyone says stuff here, good or bad – you really won’t know how good and reliable it is when reading these forums! So many haters and liars:-). Benz is on top and the best, as usual

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