RENNtech ECU Upgrade ML 350 BlueTec (W164- 253 HP / 464 LB-FT) mercedes-benz-s-class-coupe--217---2018-present--s-65-amg-esr8433275 The RENNtech ECU Plus Upgrade

The RENNtech ECU Plus Upgrade brings the E43 AMG Sedan up to 416 HP and 471 LB-FT | Gains: +14 HP and +57 LB-FT

Power kW 491

For hardcore enthusiasts

Further tuning opportunities exist with our stainless steel high-flow down pipes

RENNtech ECU Upgrade ML 350 BlueTec (W164- 253 HP / 464 LB-FT) mercedes-benz-s-class-coupe--217---2018-present--s-65-amg-esr8433275 The RENNtech ECU Plus UpgradeRENNtech ECU Upgrade for 164 ML 350. up to 253HP and 464LB FT. Gains: +23HP & 75LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning software