RENNtech ECU+ Upgrade | W213 | E450 BiTurbo Sedan| 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020 mercedes-benz-gle-class-coupe--292---2016-2020--gle-400-esr7114246 0" - Rear: 21"x10

0"  -  Rear: 21"x10

Gains: +59HP & +53LB-FT

The RENNtech Stage I Turbo Upgrade comes with an RENNtech ECU Upgrade and the RENNtech Fuel System Upgrade

optimizing air/ fuel ratios

Stage II Turbo Upgrade: RENNtech lightweight forged billet turbo wheel features a larger-than stock impeller (inlet side) and an increase in the turbine trim (exhaust side)

RENNtech ECU+ Upgrade | W213 | E450 BiTurbo Sedan| 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020 mercedes-benz-gle-class-coupe--292---2016-2020--gle-400-esr7114246 0" - Rear: 21"x10ECU+ 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.