RENNtech ECU Hand Held Tuner (HHT) for S 600 | W220 | 625 HP / 745 LB-FT | MY2003-2006 exhaust-valve-module Up to 670HP and 740LB-FT

Up to 670HP and 740LB-FT

GL63 AMG (X166 | SUV | MY2013-15 | 4MATIC | M157 | 5

Mercedes-Benz USA did not officially publish Torque performance numbers for the W463 - G65AMG

GLE 400 BiTurbo (X166 - M276 Biturbo 4-MATIC Engine) Stock Performance:

Using the highest quality pre-preg carbon fiber

RENNtech ECU Hand Held Tuner (HHT) for S 600 | W220 | 625 HP / 745 LB-FT | MY2003-2006 exhaust-valve-module Up to 670HP and 740LB-FTRENNtech ECU HHT (HandHeldTuner) for the 220 S 600. Up to 625HP and 745 LB FT LB FT. Gains: +132HP & +155 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.