Mercedes W204 W205 Engine Oil Cooler Radiator Cooling M274 Petrol A2741880101

Mercedes W204 W205 Engine Oil Cooler Radiator Cooling M274 Petrol is a factory-original lubrication system component, designed to effectively dissipate heat from the oil in M274 petrol engines. A used oil cooler from this series helps maintain a stable operating temperature for the power unit, which translates into safer lubrication conditions and longer component service life. This is a solution for users looking for a proven component at a reasonable price, while maintaining the manufacturer's original specifications.

Specifications and technical data

• SKU: A2741880101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2741880101
• Substitutable numbers: A2741880101, A 274 188 01 01
• Fuel type: Petrol
• Category: Engine Oil Coolers & Lines

Purpose and role in the engine system

The oil cooler in the M274 engine is responsible for controlling the temperature of the oil circulating in the lubrication system, which is crucial for the durability of the bearings, crankshaft, turbocharger, and other components interacting with the oil film. In petrol units, especially in urban conditions and under higher loads, stable oil cooling reduces the risk of overheating and loss of lubricating properties. Using an original Mercedes component ensures proper fitment with the oil and coolant channels and compatibility with factory mounts.

Benefits of using an original oil cooler

Choosing a used oil cooler dedicated to the M274 engine in W204 and W205 models allows you to maintain the operating parameters specified by the vehicle manufacturer. The most important advantages of this solution include:

• maintaining the factory oil cooling characteristics in the petrol engine,
• reliable fitment to the lubrication and coolant circulation system,
• no need for installation modifications or additional adapters,
• consistency with other system components, such as oil and cooling lines.

As a result, installation is efficient, and the risk of leaks or improper oil flow is minimized. A used item from the Oil coolers and lines category represents a reasonable compromise between cost and maintaining operational parameters.

Selecting an oil cooler for the M274 petrol engine

When selecting an oil cooler for the M274 unit in a Mercedes W204 or W205, it is essential to match it to the specific petrol engine configuration and body version. An original component designed for these types of units ensures proper oil and coolant flow, as well as adequate heat exchange surface area. In practice, this means:

• stable oil temperature across a wide range of loads,
• reduced risk of overheating in urban and highway conditions,
• better protection for components interacting with engine oil.

An oil cooling system configured in this way is particularly important in modern petrol units, where thermal loads are higher than in older designs.

Condition, installation, and operation

The offered oil cooler is a used part, which allows for lower repair costs while maintaining the original design. Before installation, a standard service procedure is recommended, including checking the system for leaks, changing the oil, and – if necessary – flushing the circuit to remove any potential contaminants. A properly installed oil cooler supports even temperature distribution in the power unit, which promotes stable petrol engine operation in the long term.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as additional oil coolers, oil lines, or return lines, check the available parts in the Mercedes oil coolers and lines category.

Technical support and knowledge about the cooling system

When working with the cooling and lubrication system, it is worth considering the impact of high ambient temperatures on engine condition. For users who want to better understand the relationship between operating temperature and component durability, we have prepared a practical guide – more information can be found in the article "Summer heat vs. cooling system: used radiators and fans as a guarantee of savings". This will make it easier for you to plan preventive maintenance and consciously select components, such as the M274 engine oil cooler.