RENNtech | TCU Tune | 9G Transmission Upgrade

Transmission Control Unit (TCU) Software Upgrade | AMG 9G Transmission Upgrade

TCU -upgrade is now available as an individual upgrade for the following vehicles equipped with the Mercedes-Benz 9G-Tronic transmission. Our TCU upgrade delivers faster acceleration by matching the power output of our ECU and Turbo upgrades.

1. Increased Clutch Torque Limits
2. Increased Clutch Pressure
3. Faster shift times

Fitment:
W463 | G-Wagon

W205 | C-Class

W213 | E-Class

X290 | AMG GT63 4-Door Coupe

W222 | S-Class

X253 | GLC-Class

W166 | GLE-Class

W167 | GLE-Class

X166 | GLS-Class

X167 | GLS Class

Note: The TCU upgrade included with R-Line and Turbo upgrades and is recommended vehicles with ECU tune.