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Understanding the Mercedes 722.9 7G-Tronic Automatic Transmission (W7A 700 / NAG2)

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Added by MiAmigo
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Based on my own blog: https://drjlt.com/article/tech/487/mercedes-7g-tronic

Debuted in 2003 in a range of V8-powered vehicles, the Mercedes 722.9 7G-Tronic was the world’s first 7-speed automatic transmission for passenger cars. It has been the subject of mixed opinions throughout its production span. Today, let us analyze the advantages and trade-offs of its design and delve into how its gear train works.

00:00 Intro
00:28 Advantages
01:37 Trade-Offs
04:24 Gear Train
05:44 Torque Paths
08:55 Final Words
Category
722.9
Tags
Ravigneaux gearset, Simpson gearset, planetary gearset
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