RENNtech ECU+ Upgrade | W222 | Mercedes-Maybach S560 | 584HP/642LB-FT | 4.0L V8 BiTurbo | M176 | MY2018-2020 porsche-cayenne--9ya---2018-present--cayenne-turbo-esr9795870 and Fuel System Upgrade

and Fuel System Upgrade

Weight optimization and developed specifically for the Mercedes-Benz 212 - E63 AMG

Stock: 542 HP | 502 LB-FT

With the valve flap open the sound is fuller

and pipes to deliver more power

RENNtech ECU+ Upgrade | W222 | Mercedes-Maybach S560 | 584HP/642LB-FT | 4.0L V8 BiTurbo | M176 | MY2018-2020 porsche-cayenne--9ya---2018-present--cayenne-turbo-esr9795870 and Fuel System UpgradeECU+ Upgrade Up to 584 HP 642 LB FT Gains: up to +100 HP & +102 LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and