Mercedes-Benz S450 W223 Stage 1
Mercedes-Benz S-Class VII (W223)
Mercedes-Benz S-Class VII (W223)•
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This Mercedes-Benz S450 W223 visited DEIZ GARAGE for a Stage 1 ECU calibration and removal of the factory 180 km/h speed limiter found on Japan-spec vehicles.
The project began with baseline testing on the DEIZ DYNO, where the car recorded 357 hp and 517 Nm. Following the calibration, output increased to 438 hp and 735 Nm, delivering a significant improvement in both power and torque.
The Stage 1 software provides stronger acceleration, improved throttle response, and noticeably better performance while preserving the smooth and refined driving character of the S-Class.
Final results were verified on the DEIZ DYNO, confirming the gains achieved after the upgrade.
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