RENNtech ECU+ Upgrade | X167 | GLS 63 S AMG EQ Boost | 745 HP / 767 LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023

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Description

RENNtech ECU+ Upgrade | X167 | GLS 63 S AMG EQ Boost | 745 HP / 767 LB-FT | 4.0L V8 BiTurbo EQ Boost | M177 | MY2021-2023ECU+ Upgrade Up to 745HP 767 LB FT Gains: +97 HP & +54 LB FT 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 choose directly to the ECU. Programming takes only a few minutes and the vehicle can

the RENNtech BOV adapters will not trigger the Check-Engine light

414 HP @ 6000 RPM

X166 | GLS-Class

6 stainless steel bolts and an allen-wrench

The RENNtech Sport Muffler System for the C217 - S 65 AMG Coupe comes with an integrated valve system and utilizes the electronic OEM actuators

The factory setting will always be stored on the HSM and the user can set the vehicle back to the factory setting

Engineered to blend lightweight performance and optimal durability

The RPM comes with a bypass that can be installed in place of the module for quickly turning the vehicle back to stock

) (HP: 306 | Year: 10 > )

lower the weight

+28 HP / +19 LB-FT

342 wtq @ 4