RENNtech Intermediate ECU Upgrade | W222 | S 63 AMG | Sedan | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2017 mercedes-benz-gt-4-door-coupe--290---2019-present--gt-63-amg-esr2967697 The maximum power number reached

The maximum power number reached with the RENNtech ECU+ Upgrade for the C205 - C 63 AMG Coupe is up to 601 HP and 657 LB-FT

Carrera GTS

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

Up to 528HP and 552LB-FT

CLASS E SW (S 211) 350 V6 4-matic [2 Filters Required] (HP: 272 | Year: 05 > 09)

RENNtech Intermediate ECU Upgrade | W222 | S 63 AMG | Sedan | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2017 mercedes-benz-gt-4-door-coupe--290---2019-present--gt-63-amg-esr2967697 The maximum power number reachedIntermediate ECU Upgrade Up to 638HP 695LB FT Gains: +33HP & +25LB 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 minutes and the