RENNtech ECU Upgrade S 600 (W221- 625 HP / 745 LB-FT) mercedes-benz-e-class-sedan--213---2017-present--e-43-amg-esr2435471 - Powder coated black aluminum

- Powder coated black aluminum grill screens - Custom colors available by request

CLASS E (W 210) 230 (HP: 150 | Year: 95 > 98)

an exquisite high-performance car that can be made even better by adding an Akrapovič Slip-On exhaust system

X 6 (E71-E72) 30 dXdrive (HP: 235 | Year: 08 > 10)

RENNtech ECU Upgrade S 600 (W221- 625 HP / 745 LB-FT) mercedes-benz-e-class-sedan--213---2017-present--e-43-amg-esr2435471 - Powder coated black aluminumRENNtech ECU Upgrade for 221 S 600. Up to 625 HP and 745 LB FT. Gains: +115 HP & +133 LB 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