RENNtech ECU Hand Held Tuner | HHT | ML 63 | W164 | 530HP/485LB-FT | 6.3L N/A | M156 apparel G65 AMG (W463 | M279

G65 AMG (W463 | M279 | 6

the RENNtech AMG GT63 splitter features several unique design elements

RS6 (C8 4K)

Featuring Öhlins TTX technology

RENNtech Tumbler

RENNtech ECU Hand Held Tuner | HHT | ML 63 | W164 | 530HP/485LB-FT | 6.3L N/A | M156 apparel G65 AMG (W463 | M279RENNtech 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.