Mercedes W177 W247 C118 Turbocharger Actuator Motor Diesel OM654 6NW010430-04

The Mercedes W177 W247 C118 Diesel Turbocharger Actuator OM654 6NW010430-04 is an original turbocharger and parts component designed for turbocharging systems in diesel engines. This actuator ensures factory fit and proper interaction with the turbocharger, resulting in stable engine operation.

Specifications and technical data

• SKU: A6540908400-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6540908400
• Substitutable numbers: A6540908400, A 654 090 84 00
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and function of the turbocharger actuator

The turbocharger actuator in Mercedes W177, W247, and C118 models is responsible for precisely controlling the geometry or valve of the turbocharger system in a diesel engine. A properly functioning component helps maintain optimal boost pressure, which affects:

• smooth acceleration across the full rev range,
• stable operation of the diesel engine under load,
• reducing the risk of overcharging or undercharging the turbocharger.

By maintaining factory control parameters, the actuator supports the correct operation of the injection system and emission control systems in the OM654 unit.

Benefits of using the original Mercedes actuator

Choosing a used, original Mercedes turbocharger actuator is a solution that combines technical and economic aspects. The disassembled component retains its original manufacturer-designed design, meaning:

• factory fit to the turbocharger and engine accessories,
• proper cooperation with the control electronics of the drive unit,
• no need to modify mounting or installation.

Used condition allows for a lower repair cost compared to a new component, while maintaining compatibility with the solutions used in original Mercedes supercharging systems.

Product characteristics and assembly

The turbocharger actuator in this offer comes from the Turbochargers and Components group, meaning it's designed to operate in demanding environments of high temperatures and variable pressure. Since it works with a diesel engine, its design is tailored to the torque characteristics of diesel engines.

When installing it is recommended to:

• checking the correct operation of the turbocharger control mechanism after installation,
• checking the tightness of vacuum lines or electrical connections (depending on the solution used in a given unit),
• adaptation or calibration in the engine control unit, if required by the manufacturer's service procedures.

This approach allows for the full use of the actuator's capabilities and reduces the risk of repeated interference with the charging system.

Used condition and the circular economy

The turbocharger actuator shown is in used condition, which aligns with the principles of responsible vehicle operation. Choosing parts from a salvage yard not only saves money but also contributes to a circular economy in the automotive industry. To better understand how such components impact the environment and the driver's budget, check out the article: Circular Economy and the Selection of Used Car Parts .

Other turbochargers and parts for Mercedes

If you're also looking for other turbochargers and parts for Mercedes, check out our dedicated offer: turbochargers and parts for Mercedes . This allows you to easily assemble the turbocharger system accessories tailored to your model, while maintaining component consistency throughout the entire system.