DOC #CERT-9E1C-4749-831A
13.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
13.09.2026
Mercedes-Benz Trucks Atego
All 1228 279hp Diesel
Original
279HP
1100 Nm
Stage 1
329HP
1230 Nm
+50 HP / +18% +130 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.