DOC #CERT-D588-29D7-23F4
07.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
07.09.2026
Mercedes-Benz GLS
2023 -> ... 450d 367hp Diesel
Original
367HP
750 Nm
Stage 1
440HP
Nm
+73 HP / +20% +-750 Nm / +-100%
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.