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
4. Fitment:
   W463 | G-Wagon
5. W205 | C-Class
6. W213 | E-Class
7. X290 | AMG GT63 4-Door Coupe
8. W222 | S-Class
9. X253 | GLC-Class
10. W166 | GLE-Class
11. W167 | GLE-Class
12. X166 | GLS-Class
13. X167 | GLS Class

Note: The TCU upgrade included with R-Line and Turbo upgrades and is recommended vehicles with ECU tune.  TCU must be shipped to RENNtech for programming. Turnaround time is 15-20 working days.