Mercedes W204 C250 SLK250 Balance Shaft Oil Pump M271 A2711810301

Mercedes W204 C250 SLK250 Balance Shaft Oil Pump M271 is an original component from the Oil pumps and parts group, designed for M271 series petrol engines used in C-Class W204 and SLK models. This used OEM oil pump is a solution for users who expect factory-standard construction, predictable lubrication parameters, and compliance with Mercedes manufacturer requirements.

Specifications and technical data

• SKU: A2711810301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2711810301
• Substitutable numbers: A2711810301, A 271 181 03 01
• Part type: Oil Pump
• Category: Oil Pumps & Parts

Purpose and function in the lubrication system

The oil pump in the M271 engine is responsible for maintaining stable oil pressure throughout the lubrication system, which directly impacts the durability of the bearings, camshaft, and other moving parts. Using an original pump in the Mercedes W204 C250 and SLK250 allows for maintaining factory oil flow parameters, thereby reducing the risk of overheating and accelerated wear of the power unit. The component from this group is particularly important when:

• overhauling or rebuilding an M271 petrol engine,
• removing the effects of seizing or oil pressure drops,
• performing preventive replacement during major service work.

Construction and advantages of using OEM Mercedes parts

The OEM oil pump for the M271 engine was designed by the manufacturer with specific tolerances, operating characteristics, and thermal conditions of the power unit in mind. This ensures proper cooperation with oil channels, the filter, and other elements of the lubrication system. Key benefits of using an original oil pump in the Mercedes W204 C250 and SLK250 include:

• Factory fitment for the M271 engine without the need for modifications or adaptations.
• Predictable oil pressure characteristics, consistent with the manufacturer's specifications.
• Compatibility with engine accessories and the lubrication system in petrol versions.
• Ability to utilize existing mounting points and factory hardware.

Condition, verification, and practical application

The offered Mercedes oil pump comes from the secondary market, which allows for an economical approach to repairs while maintaining the original design. This type of part is particularly attractive in situations where the priority is to maintain compliance with factory solutions while minimizing engine repair costs. In practice, installing a used oil pump should be combined with checking the lubrication system, changing the oil and filter, and verifying any potential contaminants in the oil pan. This approach increases the chances of long-term and stable operation of the M271 unit after the repair.

Selecting an oil pump for a specific M271 engine

When selecting an oil pump for a Mercedes W204 C250 or SLK250, it is crucial to match it to the specific version of the M271 petrol engine and verify compatibility with the OEM part number and interchangeable numbers. This helps avoid installation problems and ensures proper cooperation with the existing lubrication system. In case of doubt, it is worth comparing the removed pump with the offered component in terms of the body shape, arrangement of mounting points, and drive method. Such a comparison facilitates the purchasing decision and minimizes the risk of mismatch.

Expanding lubrication system and suspension service

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional pumps, lubrication control modules, or components accompanying the oil system, check the available parts in the Mercedes oil pumps and parts category. During major service work, engine maintenance is often combined with chassis inspection. In the context of selecting used mechanical elements, including suspension components, a guide describing the differences between stock and sports solutions may be helpful – it is discussed in detail in the article "Stock vs. sports suspension – differences in construction and is it worth buying used suspension parts?", which allows you to better plan the scope of repairs and upgrades for your car.