RENNtech Intermediate ECU Upgrade | W166 | GLE63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2016+ mercedes-benz-e-class-sedan--213---2017-present--e-300-esr7131049 The Carbon Fiber Air Box

The Carbon Fiber Air Box kit includes a Set of 2 BMC high performance air filter

fiber is pre-impregnated (hence the name) with resin at a production facility

+45 HP / +76 LB-FT

530 awhp @ 5

C117 - CLA 45 AMG

RENNtech Intermediate ECU Upgrade | W166 | GLE63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2016+ mercedes-benz-e-class-sedan--213---2017-present--e-300-esr7131049 The Carbon Fiber Air BoxIntermediate ECU Upgrade Up to 638HP 695LB FT Gains: +33HP & +69LB FT RENNtech M157 Biturbo ECU+ Upgrades are TV approved! 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. Our intermediate level ECU upgrade offers huge gains in performance across the entire RPM range without sacrificing around town