RENNtech ECU+ Upgrade | C167 | GLE 63 S AMG EQ Boost | 745HP / 767LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023

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RENNtech ECU+ Upgrade | C167 | GLE 63 S AMG EQ Boost | 745HP / 767LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023ECU+ Upgrade Up to 745 HP 767 LB FT Gains: +97 HP & +54 LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. RENNtech HHT (Hand Held Tuner) allows you the unlimited ability to switch between tuned and stock ECU programming without ECU removal! RENNtechs proprietary tuning module contains both the Tuned file as well as your vehicles Stock file. The module plugs directly into the OBD2 port and delivers the file you

The Mercedes-AMG S 63 (W222) is powered by the latest V8 BiTurbo -engine developed by AMG

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Gains: +120 HP & +135 TQ

HOW TO USE Pre-Safe Module:To initialize the PRE SAFE Module