RENNtech ECU Upgrade | C218 | CLS 550 | 480HP / 605LB-FT | 4.7L V8 BiTurbo | M278 | MY2015-2018

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RENNtech ECU Upgrade | C218 | CLS 550 | 480HP / 605LB-FT | 4.7L V8 BiTurbo | M278 | MY2015-2018ECU 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

650 RPM Mercedes M278 engine performance when measured

0L twin turbo V8-engines:

332 LB-FT @ 2

Bentayga Speed (MY2019+)

RENNtech performance software unleashes your McLaren's true potential

Weight optimization and developed specifically for the Mercedes-Benz 166 - GLS/GL63 AMG

The lighter performance exhaust system unburdens the rear end and centralizes the weight in a more balanced manner

Custom color available for $125

This rear spoiler is a fully functional aerodynamic component as well as an aggressive exterior enhancement on the muscular CLS

The Mercedes GT is the second Mercedes Benz vehicle fully developed by AMG

Pre-preg is widely known as the finest process in carbon fiber manufacturing and has been used for aerospace and military applications because of its superior consistency in durability

Power kW 228

Exchange/Return Notes