7g-tronic RSS

722.9, 725.9, 7g-tronic, 9g-tronic, mct speedshift, mercedes-amg, shift speed, tcu tuning, transmission tune - September 30, 2026

What Is TCU Tuning? Mercedes-AMG Transmission Tuning Explained

Your Mercedes-AMG's engine tune is only half the equation. The Transmission Control Unit (TCU) decides how that power reaches the wheels.