RENNtech ECU Hand Held Tuner | HHT | W211 | E55 AMG Kompressor | 517HP/552LB-FT | 5.5L Kompressor | M113 | MY2003-2006 mercedes-benz-s-class--223---2021-present--s-500-esr4433616 up to an astonishing 392

up to an astonishing 392 HP and 462 lb/ft at the crank

Akrapovič’s sound engineers have also created a deep and unique sound to make the Porsche 911 Turbo / Turbo S stand out even more

Available in black or chrome

W463 | G-Wagon

RENNtech ECU Hand Held Tuner | HHT | W211 | E55 AMG Kompressor | 517HP/552LB-FT | 5.5L Kompressor | M113 | MY2003-2006 mercedes-benz-s-class--223---2021-present--s-500-esr4433616 up to an astonishing 392RENNtech ECU HHT (HandHeldTuner) for the 211 E55 AMG Kompressor. Up to 517HP and 552LB FT. Gains: +48HP & +36TQ. 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.