Mercedes W169 W245 OM640 Diesel Turbocharger Turbo Part A6400901580

The Mercedes W169 W245 OM640 Diesel Turbocharger Part A6400901580 is an original aftermarket turbocharger component designed for OM640 diesel engines. It's a solution for users who want to restore proper turbocharging performance in their compact Mercedes A-Class and B-Class models while maintaining the factory fit and performance parameters of the engine.

Specifications and technical data

• SKU: A6400902680-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6400902680
• Substitutable numbers: A 640 090 16 80, A6400901680, A6400902680, A 640 090 26 80, A6400901580, A 640 090 15 80, A 640 090 25 80, A6400902580
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and technical characteristics

This turbocharger part for the Mercedes W169 and W245 is designed to work with the OM640 diesel engine. It is a component of the supercharging system responsible for compressing the air drawn into the cylinders, which directly impacts the dynamics, flexibility, and refinement of the diesel engine.

As a component from the turbocharger and parts category, this product provides the foundation for professional turbocharger repair or reconditioning in diesel vehicles. Its design is consistent with the manufacturer's factory specifications, simplifying installation and ensuring proper integration with engine accessories and the control system.

Compatibility and fit

This component was developed specifically for Mercedes A-Class W169 and B-Class W245 vehicles equipped with the OM640 Diesel engine. By utilizing the original design and corresponding part numbers, the part allows for:

• maintaining the factory fit of the exhaust and intake manifold,
• proper cooperation with the turbocharger lubrication and cooling system,
• correct communication with the engine control system, without the need to modify the software.

The presence of dedicated replaceable numbers enables precise verification of compatibility based on the OEM number, which is particularly important when selecting dismantled parts for a specific engine version.

Condition, origin and advantages of using a used part

The product is offered as a used part, sourced from vehicle dismantling. This type of solution is often chosen by informed users who expect:

• factory design and geometry of the rotor and housing,
• better fit than many cheap substitutes,
• better cost-to-quality ratio compared to new OEM components.

A used turbocharger part can be used as a direct replacement for a damaged component or as a base for professional reconditioning at a specialized service center. This allows for optimized repair costs while maintaining an appropriate level of reliability.

Benefits of installation in the OM640 diesel engine

A functioning diesel turbocharger component is crucial to the performance of the OM640 engine. A properly selected and installed component affects:

• stable boost pressure across the full rev range,
• better throttle response and smoother acceleration,
• maintaining the proper composition of the mixture, which helps reduce smoke and improve work culture,
• more efficient use of Diesel fuel, which may translate into lower consumption in real driving conditions.

For users operating their vehicle in urban and extra-urban cycles, restoring the full efficiency of the supercharging system is one of the key steps towards stable, predictable engine operation and reducing the risk of further equipment failures.

Support in selection and additional information

When selecting a used turbocharger component, it's important to ensure compatibility with the OEM number and reference numbers assigned to the specific engine configuration. If in doubt, it's recommended to compare the data with the vehicle's documentation or consult a mechanic specializing in diesel engines.

If you are looking for other turbochargers and parts for Mercedes, check the available products in the turbochargers and parts for Mercedes category to select the element best suited to your specific model and engine version.

Want to better understand when it's best to use salvage parts and when to opt for new or replacement parts? Read our guide: Original, Replacement, or Used Car Parts – What to Choose in Practice , which discusses the differences in cost, quality, and fitment based on OEM numbers.

For users interested in the topic of electronics and multimedia systems in other brands, the article on how to take care of iDrive systems and electronic modules of the BMW 3 and 5 Series using parts from dismantling may also be helpful, showing how to consciously use used components in modern cars.