RENNtech ECU+ Upgrade | W213 | E400 | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2017-2018 porsche-911--991-1---2011-2016--gt3-rs-esr2317826 Rated by RENNtech (peak @wheel):

Rated by RENNtech (peak @wheel):              658 whp @ 5

Rated by Mercedes-Benz:      577 HP @ 6

This spoiler is designed to fit any W205 - C-Class Sedan model from 2015 and up

optimizing air-to-fuel-ratios of the 4

RENNtech ECU+ Upgrade | W213 | E400 | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2017-2018 porsche-911--991-1---2011-2016--gt3-rs-esr2317826 Rated by RENNtech (peak @wheel):ECU+ Upgrade Up to 392 HP 463 LB FT Gains: +53 HP & +78 LB FT 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 into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle