DOC #CERT-A9AE-9C17-83D0
14.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
14.09.2026
Mercedes-Benz GLA
X156 - 2017 - 2019 220 20t 184HP Petrol
Original
184HP
300 Nm
Stage 1
230HP
390 Nm
+46 HP / +25% +90 Nm / +30%
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.