R1 Performance Package for S 65 (W221- 670 HP / 840 LB-FT) mercedes-benz-gls-class--166---2017-2019--gls-550-esr2384038 650 RPM Mercedes M278 engine

650 RPM Mercedes M278 engine performance when measured

• ML 63 AMG BiTurbo

5 at 3800 rpm            Weight  kg 9

218 - CLS 63 AMG (FaceLift MY 2015 up / non 4-MATIC)

Any parts with more noticeable areas of concern are scraped entirely and never offered to our highly discerning clientele

R1 Performance Package for S 65 (W221- 670 HP / 840 LB-FT) mercedes-benz-gls-class--166---2017-2019--gls-550-esr2384038 650 RPM Mercedes M278 engineR1 Performance Package for 221 S 65 AMG. Includes ECU Upgrade and High Efficiency Intercooler Pump. Up to 670HP and 840LB FT. Gains: +49HP & +102LB FT The R1 performance package includes our proprietary ECU tune and higher efficiency intercooler pump for increased, power, performance and throttle response across the entire powerband. R1 Performance Package includes: RENNtech ECU Upgrade RENNtech High Flow Intercooler Pump S 65 (W221) Stock