RENNtech ECU Hand Held Tuner | HHT | ML 63 | W164 | 530HP/485LB-FT | 6.3L N/A | M156 porsche-911--996---1997-2005--turbo-esr2051690 Increasing performance in stages offers

Increasing performance in stages offers a clear path toward the desired development goal or stage

590 LB-FT @ 2

W463 | G-Wagon

CLASS E SW (S 210) 230 (HP: 150 | Year: 96 > 98)

Power gains are calculated with stock numbers measured by RENNtech

RENNtech ECU Hand Held Tuner | HHT | ML 63 | W164 | 530HP/485LB-FT | 6.3L N/A | M156 porsche-911--996---1997-2005--turbo-esr2051690 Increasing performance in stages offersRENNtech ECU HHT (HandHeldTuner) for the 164 ML 63 AMG. Up to 530HP and 485LB FT LB FT. Gains: +23HP & +20LB 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.