RENNtech | RPS 10.2 | 21'' x 9.0'' - 22'' x 10.5'' | S-Class/CL-Class/S-Class Coupe mercedes-benz-gl-class--166---2013-2016--gl-63-amg-biturbo-4matic-esr3783563 Our proprietary ECU+ upgrade for

Our proprietary ECU+ upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability

RENNtech is able to add up to 166 HP and 282 LB-FT to the 5

635 HP @ 6400 RPM

Dawn 2015 – 2022 (present)

778 LB-FT @ 4

RENNtech | RPS 10.2 | 21'' x 9.0'' - 22'' x 10.5'' | S-Class/CL-Class/S-Class Coupe mercedes-benz-gl-class--166---2013-2016--gl-63-amg-biturbo-4matic-esr3783563 Our proprietary ECU+ upgrade forRENNtech Performance Series Forged Wheels Set of 2 Front and 2 Rear Front: 21" x 9. 0" Rear: 22" x 10. 5" RENNtech PERFORMANCE SERIES The RENNtech brand has featured several highly successful wheel designs throughout its 28+ years in the aftermarket industry. The Performance Series is the culmination of this extensive knowledge, an evolution of its predecessors. After countless hours of design development, we can confidently say that the RPS is a