DOC #CERT-9153-041B-C438
13.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
13.09.2026
Mercedes-Benz C
W204 - 2010 - 2014 250 CDI 204HP 4342 Diesel
Original
204HP
500 Nm
Stage 1
240HP
550 Nm
+36 HP / +18% +50 Nm / +10%
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.