RENNtech ECU+ Upgrade | W212 | E 63 (S) AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016 mercedes-benz-s-class--222---2018-2020--s-560-maybach-esr2691399 To create prepreg fiber is

To create prepreg  fiber is pre-impregnated (hence the name) with resin at a production facility

RENNtech’s Bumperette Delete features an OEM level of quality with a perfect fitment in the bumper of the AMG GT Series

Requires the removal of ECU

Rated by RENNtech (peak @crank):              392 HP @ 4

AMG GT S (C190 | M178 | 4

RENNtech ECU+ Upgrade | W212 | E 63 (S) AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016 mercedes-benz-s-class--222---2018-2020--s-560-maybach-esr2691399 To create prepreg fiber isECU+ Upgrade Up to 669HP 734LB FT Gains: +64HP & +88LB 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 can be