DOC #CERT-020B-734E-0E25
12.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
12.09.2026
Mercedes-Benz GLS
2019 - 2022 350d 286hp Diesel
Original
286HP
600 Nm
Stage 1
380HP
820 Nm
+94 HP / +33% +220 Nm / +37%
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.