This Mercedes-Benz S450 W223 arrived at DEIZ GARAGE in factory specification for a performance upgrade.
The vehicle was first tested on the DEIZ DYNO, where it produced 357 hp and 517 Nm. Following the baseline measurements, the car received a Stage 1 ECU calibration together with the removal of the factory Japan-spec 180 km/h speed limiter.
After the upgrade, output increased to 438 hp and 735 Nm, representing a substantial gain in both power and torque.
The Stage 1 calibration delivers improved throttle response and stronger power delivery while preserving the refined driving character expected from the S-Class.
The final performance figures were verified on the DEIZ DYNO, confirming the results achieved after the calibration.
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