RENNtech ECU Hand Held Tuner | HHT | W204 | C 63 AMG Black Series | 517HP/485LB-FT | 6.3L N/A | M156 |MY2012 porsche-panamera--970---2011-2015--panamera-turbo-esr4052223 Rated by RENNtech (peak @crank):

Rated by RENNtech (peak @crank):              601 HP @ 5

AMG GT 63 (C192) 2023+

CLASS E (W 211) 350 V6 [2 Filters Required] (HP: 272 | Year: 05 > 06)

Installation requires no modifications to the trunk lid or body work and installs using 3M double sided automotive adhesive strips

Bentley  Continental GT (MY2018+)

RENNtech ECU Hand Held Tuner | HHT | W204 | C 63 AMG Black Series | 517HP/485LB-FT | 6.3L N/A | M156 |MY2012 porsche-panamera--970---2011-2015--panamera-turbo-esr4052223 Rated by RENNtech (peak @crank):RENNtech ECU HHT (HandHeldTuner) for the 204 C 63 AMG Black Series. Up to 517HP and 485LB FT. Gains: +7HP & +28LB 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.