Video: Mercedes-Benz 722.9 7G-Tronic Plus Automatic Transmission Teardown by ata | Dec 4, 2020Mercedes-Benz 722.9 7G-Tronic Plus Automatic Transmission Teardown The name “7G-Tronic” is Mercedes-Benz’s trademark name for its seven-speed automatic transmission which starts with the W7A 700 and W7A 400 as core models. The Mercedes 7G-Tronic...