RENNtech ECU+ Upgrade | W213 | E450 BiTurbo Sedan| 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020 mercedes-benz-s-class--222---2018-2020--s-600-esr8657317 0-liter BiTurbo V8 (M177) -engine:

0-liter BiTurbo V8 (M177) -engine:

Mercedes-AMG GLE 63 2024+

Cutting of the OEM exhaust is required

For: E63 (W/S 213) | SLS AMG (C197) | SL55/63 (R230) P30 only | GLC 63 (X/C253) | C63 Black Series (C 204)

increasing performance from 563 HP and 594 lb/ft torque

RENNtech ECU+ Upgrade | W213 | E450 BiTurbo Sedan| 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020 mercedes-benz-s-class--222---2018-2020--s-600-esr8657317 0-liter BiTurbo V8 (M177) -engine:ECU+ Upgrade Up to 392 HP 463 LB FT Gains: +53 HP & +78 LB FT RENNtech M276 Biturbo ECU Upgrades are TV approved! 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 vehicle's stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU.