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 RENNtech's SLS AMG adjustable suspension

RENNtech's SLS AMG adjustable suspension kit offers not only overall improved aesthetics and an aggressive vehicle stance

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

732 wtq @ 5

RENNtech ECU Upgrade for the 217 - CLA 45 AMG

Up to 538HP and 566 LB-FT

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 RENNtech's SLS AMG adjustable suspensionRENNtech 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