RENNtech Intermediate ECU Upgrade | X166 | GL63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2013-15 bentley-bentayga-speed--2019-present--6-0l-twinturbo-w12-esr6746698 We have found the M276

We have found the M276 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz

the extractor inserts complement the OEM carbon fiber hood of the AMG GT Black Series

RENNtech Carbon Fiber Rear Wing for X290 - AMG GT 4-Door Coupe -series

0 TFSI (4M8)

These RENNtech rear diffuser extensions create an all new aggressive and functional aesthetic for the rear of the C190 - AMG GT R

RENNtech Intermediate ECU Upgrade | X166 | GL63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2013-15 bentley-bentayga-speed--2019-present--6-0l-twinturbo-w12-esr6746698 We have found the M276Intermediate ECU Upgrade Up to 638HP 695LB FT Gains: +64HP & +72LB 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