RENNtech Porsche 997.2 Turbo (3.8L) ECU Upgrade (500 HP / 480 LB-FT) mercedes-benz-amg-gt--190---2018-present--gt-c--2018-present--esr7708118 E400 (MY2017+ | S213 |

E400 (MY2017+ | S213 | M276 | 3

310 LB-FT Torque

Maserati Quattroporte S (M156) 2013-2017

We have found the M176 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz

CLS550 (C218 | FL MY2015-17 | 4MATIC | M157 | 4

RENNtech Porsche 997.2 Turbo (3.8L) ECU Upgrade (500 HP / 480 LB-FT) mercedes-benz-amg-gt--190---2018-present--gt-c--2018-present--esr7708118 E400 (MY2017+ | S213 |RENNtech Porsche 997. 2 Turbo (3. 8L) ECU Upgrade. Up to 550HP and 575LB FT. Gains: +50HP & +95LB FT Our proprietary Porsche ECU upgrade offers rock solid performance from RENNtech, the foremost tuning authority on Bosch and Siemens engine control units. These same units are utilized in Mercedes Benz vehicles, which RENNtech has been tuning since electronic engine management started to show up in vehicles during the mid 1980's, though our proprietary