RENNtech ECU Upgrade | W222 | S 550 | 500HP / 625LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2017 mercedes-benz-slr-mclaren-slr-mclaren-722--2006-2011--esr6133838 RENNtech High Flow Dual Intercooler

RENNtech High Flow Dual Intercooler Pump Kit

CLASS R (W 251) 500 4-matic [2 Filters Required] (HP: 306 | Year: 05 > 07)

The units may show light aesthetic imperfections which may in no way interfere with the functionality of the turbo

With the proprietary RENNtech ECU Tuning the C292 - GLE 43 AMG Coupe gains up to +25 HP and +42 LB-FT

R2 Performance Package for 209 - CLK 63 AMG

RENNtech ECU Upgrade | W222 | S 550 | 500HP / 625LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2017 mercedes-benz-slr-mclaren-slr-mclaren-722--2006-2011--esr6133838 RENNtech High Flow Dual IntercoolerECU Upgrade 500HP 625LB FT Gains: +26HP +59LB 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