DOC #CERT-C26B-AD42-B184
13.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
13.09.2026
Mercedes-Benz SLK
R172 - 2011 -> 55 AMG V8 421hp Petrol
Original
421HP
540 Nm
Stage 1
440HP
565 Nm
+19 HP / +5% +25 Nm / +5%
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.