Pay in 4 interest-free payments of $280.00 Learn more
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
SLR Stock Performance:
Of up to 12 hours to give you more time away from an outlet
CLS63 AMG (C218 | PFL MY2012-13 | RWD | M157 | 5
adjustability
The maximum power number reached with the RENNtech ECU Upgrade for the E450 is 392 HP and 463 LB-FT
RENNtech ECU Upgrade | C218 | CLS 550 | 480HP / 605LB-FT | 4.7L V8 BiTurbo | M278 | MY2015-2018 mercedes-benz-gle-class--166---2016-2020--gle-450-esr9780931 SLR Stock Performance:ECU Upgrade 480HP 605LB FT Gains: +45HP 162Lb 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 areas and countries with extreme altitudes, temperatures or