RENNtech ECU Upgrade | W205 | C 43 AMG | Sedan | 400 HP / 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2015-2021 aston-martin-dbx-dbx707-esr3252808 TCU -upgrade is now available

TCU -upgrade is now available as an individual upgrade for the following vehicles equipped with the Mercedes-Benz 9G-Tronic transmission

11 a/b/g/n 2

Up to 417HP and 446TQ

but looses the surprising brake-assist for a more mild mannered alert

The unit allows the user to have full control over all four corners of the vehicle’s suspension and adjust in 1mm increments

RENNtech ECU Upgrade | W205 | C 43 AMG | Sedan | 400 HP / 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2015-2021 aston-martin-dbx-dbx707-esr3252808 TCU -upgrade is now availableThe RENNtech ECU Upgrade brings the C 43 AMG Sedan up to 400 HP and 440 LB FT Gains: +25 HP and +42 LB FT. RENNtech tuning products are certified to meet CARB standards in all 50 States. RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly