RENNtech | TCU Tune | 9G Transmission Upgrade rolls-royce-phantom-coupe-esr5447465 The housings encase our bespoke

The housings encase our bespoke filters which help to shape the airflow and maintain laminar conditions

The RPM module comes with a bypass that can be installed in place of the module to quickly turn the vehicle back to stock performance

204 - C 63 AMG Black Series

Includes Turbo Upgrade

bolt on component which improves vehicle aesthetics and increases front end down force

RENNtech | TCU Tune | 9G Transmission Upgrade rolls-royce-phantom-coupe-esr5447465 The housings encase our bespokeTransmission 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. Increased Clutch Torque Limits Increased Clutch Pressure Faster shift times Fitment: W463 G Wagon W205 C Class W213 E Class X290 AMG