RENNtech ECU Hand Held Tuner | HHT | W211 | E55 AMG Kompressor | 517HP/552LB-FT | 5.5L Kompressor | M113 | MY2003-2006 mercedes-benz-cl-class--215---2001-2006--cl55-amg-kompressor-esr6385228 Take your AMG GT to

Take your AMG GT to the next level with the all-new RENNtech Carbon Fiber High Performance Hood

C205 - C43 AMG Coupe

Note: Mercedes M276 engine performance when measured obtains higher numbers that rated from factory

G 550 (W463) Stock Performance:

Dyno measured by RENNtech (peak):               681 HP @ 6

RENNtech ECU Hand Held Tuner | HHT | W211 | E55 AMG Kompressor | 517HP/552LB-FT | 5.5L Kompressor | M113 | MY2003-2006 mercedes-benz-cl-class--215---2001-2006--cl55-amg-kompressor-esr6385228 Take your AMG GT toRENNtech 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.