DOC #CERT-52F6-1DE3-270D
12.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
12.09.2026
Mercedes-Benz S
W221 - 2005 - 2013 500 - 388hp Petrol
Original
388HP
530 Nm
Stage 1
408HP
570 Nm
+20 HP / +5% +40 Nm / +8%
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.