DOC #CERT-DAFA-B806-5EB1
14.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
14.09.2026
Mercedes-Benz S
W221 - 2005 - 2013 500 Turbo 435hp Petrol
Original
435HP
700 Nm
Stage 1
510HP
820 Nm
+75 HP / +17% +120 Nm / +17%
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.