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Mercedes-Benz CLS 400d (3.0D) 330hp

C257 - 2021 ->

330 Original HP
380 Modified HP
700 Original NM
820 Modified NM
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Mercedes-Benz CLS

Mercedes-Benz CLS C257 - 2021 -> 400d (3.0D) 330hp

Key Specifications

Generazione C257 - 2021 ->
Carburante Diesel
Codice motore OM656.929
Rapporto compressione 15.5:1
Alesaggio x Corsa 82.0 X 92.3 mm
Power 330 → 380 hp +50 hp
Torque 700 → 820 Nm +120 Nm
Power
380 HP
+50 HP (+15.2%)
Original 330 HP
Stage 1 380 HP
Torque
820 NM
+120 NM (+17.1%)
Original 700 NM
Stage 1 820 NM

Power Graph

Original Power 330HP
Original Torque 700Nm
Power After Remap 380HP
Torque After Remap 820Nm

Discover Our Tuning Solutions

Frequently Asked Questions - Mercedes-Benz CLS

The cost of Stage 1 tuning for Mercedes-Benz CLS 400d (3.0D) 330hp varies depending on the ECU and specific requirements. Contact us for a free personalized quote.

Stage 1 tuning for Mercedes-Benz CLS typically takes 1-2 hours of work. Time may vary depending on the ECU type.

Yes, our Stage 1 tunes are developed respecting the engine's safety margins. The power increase from 330 to 380 HP (+15%) is within safe parameters.

With Stage 1 tuning, Mercedes-Benz CLS goes from 330 HP to 380 HP (+50 HP) and from 700 Nm to 820 Nm (+120 Nm).

Stage 1 remapping takes it from 330 HP to 380 HP (+50 HP, +15%) and torque from 700 Nm to 820 Nm (+120 Nm). These figures refer to the standard engine, with no hardware modifications.

A remap changes the factory calibration, so on a vehicle still under manufacturer warranty it may affect coverage on powertrain components. Performance tuning keeps all emission systems working; deactivating emission devices such as DPF, EGR or AdBlue is not road-legal in the EU and UK and is intended for off-road, motorsport or export use only.

With a normal driving style consumption usually stays the same or drops slightly: the extra torque at low rpm means less throttle for the same speed. Consumption goes up only if you actually use the additional power.

Yes. The original file is read and stored before any modification, so the vehicle can be returned to the factory calibration at any time.

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Mercedes-Benz
Mercedes-Benz CLS 400d (3.0D) 330hp
+50 HP
380 HP