RENNtech ECU Hand Held Tuner (HHT) for G 55 (W463- 370 HP / 410 LB-FT) mercedes-benz-ml-class--164---2006-2011--ml63-amg-esr1382963 CLASS R LONG (V 251)

CLASS R LONG (V 251) 350 V6 Blue Efficiency (HP: 306 | Year: 12 > )

Upon close inspection you will notice highly refined structural design elements which have been strategically positioned to give the wheel rigidity while keeping weight to a minimum

Therefore the benefits of replacing the original paper filter with BMC cotton air filter

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

Renntech has included a guide so you can adjust your shocks to your preferred driving conditions

RENNtech ECU Hand Held Tuner (HHT) for G 55 (W463- 370 HP / 410 LB-FT) mercedes-benz-ml-class--164---2006-2011--ml63-amg-esr1382963 CLASS R LONG (V 251)RENNtech ECU HHT (HandHeldTuner) for the 463 G 55 AMG. Up to 380HP and 410 LB FT LB 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. Programming takes only a few