RENNtech ECU+ Upgrade | 167 | GLS / GLE 580 EQ Boost | 592 HP / 704 LB-FT | 4.0L V8 BiTurbo EQ Boost | M176 | MY2020-2023 mercedes-benz-e-class-wagon--213---2017-present--e-63-amg-esr8081627 The R2 performance package includes

The R2 performance package includes the same components found in our R1 package with the addition of a full carbon fiber airbox

Gaines: +30HP & 30TQ

5L V8 BiTurbo engine (compared to RENNtech rated stock performance)

Mercedes 400 | M276 | 3

457 LB-FT @ 5200 RPM

RENNtech ECU+ Upgrade | 167 | GLS / GLE 580 EQ Boost | 592 HP / 704 LB-FT | 4.0L V8 BiTurbo EQ Boost | M176 | MY2020-2023 mercedes-benz-e-class-wagon--213---2017-present--e-63-amg-esr8081627 The R2 performance package includesECU+ Upgrade Up to 592 HP 704 LB FT Gains: +68 HP & +120 LB FT RENNtech HHT (Hand Held Tuner) is the number one ECU programmer for Mercedes Benz and AMG. Do it yourself tuning, no ECU removal or mechanical modifications necessary! 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