SMSTuned | STG1-SMS Mercedes Benz AMG E63 S Sedan SMSTuned | Benz AMG E63 S THIS 👏🏽 AMG 👏🏽 SLAPS 👏🏽 HARD 👏🏽I mean what more can you ask for from the Benz’ nasty BiTurbo V8? This STG1-SMSTune was installed on a bone stock engine, and it STILL picked up 100WHP and 200WTQ across the power band 🔥STOCK: 552 WTQ / 499 WHPSTG1-SMS: 733 WTQ / 546 WHPGAINS: +181 WHP / +47 WHP June 22, 2020 CATEGORY: ECU Tuning, Mercedes Tuning, News No Comments 0 Likes