DOC #CERT-F287-A699-1AB8
16.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
16.09.2026
Mercedes-Benz GLS
2023 -> ... 63 AMG V8 Bi-Turbo 612hp Petrol
Original
612HP
850 Nm
Stage 1
690HP
950 Nm
+78 HP / +13% +100 Nm / +12%
Estimated Power and Torque Curve
Customer
Chassis
Date
Signature
Stamp
NOTICE: This document represents estimated values based on database information. It is not valid as official certification without the original handwritten signature and physical stamp of the authorized technician. Performance values may vary based on vehicle condition, fuel quality and operating environment.