RENNtech Intermediate ECU Upgrade - E 550 Coupe BiTurbo | C207 | 480HP/523 LB-FT | M278 Engine | MY2012-2013 mercedes-benz-s-class-coupe--217---2015-2017--s-65-amg-esr5480974 Our intermediate ECU tune increases

Our intermediate ECU tune increases performance from 429 HP and 516 lb/ft torque up to 480 HP and 605 lb/ft at the crank

Up to 538HP and 566 LB-FT

0L Engine) Stock Performance:

CLASS E COUPE' (C 207) 500 Blue Efficiency [2 Filters Required] (HP: 408 | Year: 11 > )

RENNtech Intermediate ECU Upgrade - E 550 Coupe BiTurbo | C207 | 480HP/523 LB-FT | M278 Engine | MY2012-2013 mercedes-benz-s-class-coupe--217---2015-2017--s-65-amg-esr5480974 Our intermediate ECU tune increasesRENNtech Intermediate ECU Upgrade for 207 E 550 BiTurbo. Up to 480HP and 523 LB FT. Gains: +78HP & +80 LB FT Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for