Mercedes W220 Oil Cooler Flexible Pipe Hose Line M113 Petrol Engine A2209977182

Mercedes W220 Oil Cooler Flexible Pipe Hose Line M113 Petrol Engine is a specialized lubrication system component designed to work with the M113 petrol engine in the W220 generation S-Class. It is responsible for the safe routing of oil between the engine and the oil cooler, stabilizing operating temperatures and supporting the durability of the entire system. By maintaining factory geometry and diameters, the hose ensures proper flow of the working medium and a secure connection with other components.

Specifications and technical data

• SKU: A2209977182
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2209977182
• Substitutable numbers: A2209977182, A 220 997 71 82
• Fuel type: Petrol
• Part type: Oil Cooler Hose
• Category: Engine Oil Coolers & Lines

Purpose and function in the oil cooling system

The presented hose is part of the Oil coolers and hoses group, responsible for transporting engine oil to the oil cooler and back. In the M113 petrol engine, stable oil temperature is crucial for:

• maintaining a proper lubricating film on moving parts,
• reducing wear on bearings, the crankshaft, and the timing system,
• maintaining stable oil pressure across a wide load range,
• reducing the risk of overheating during dynamic driving. A properly selected oil cooler hose minimizes pressure drops and ensures connection tightness, which translates into safe operation of the power unit over a long service life.

Compatibility with the M113 petrol engine

The component has been designed to work with the petrol engine from the M113 family used in the Mercedes S-Class W220. This ensures the correct:

• routing of the hose in the engine bay,
• fitment to factory mounting points,
• connection diameters for oil tightness and flow,
• resistance to temperature and operating conditions typical for the M113 unit. As a result, the hose can be used as a direct replacement for the factory component in vehicles with this engine type, without the need for any system modifications.

Characteristics of the used component

The offered hose is a dismantled, used product, which allows for an economical repair of the oil cooling system while maintaining the original design specifications. This type of component is particularly attractive when servicing older S-Class generations, where the availability of new parts can be limited, and using a component with factory geometry facilitates installation and subsequent operation. Choosing a used hose from this group allows you to maintain the integrity of the lubrication system with other factory components, which is important for long-distance vehicle operation and for preserving the original engine performance characteristics.

Importance of a functional oil cooler hose

A damaged or leaking oil cooler hose can lead to leaks, drops in oil pressure, and overheating of the power unit. In the M113 engine used in the luxury S-Class, it is particularly important to maintain stable operating parameters, which is why regular inspection and, if necessary, replacement of oil hoses is an essential part of preventive maintenance. A functional hose supports:

• maintaining the proper oil temperature across a wide range of loads,
• reducing the risk of failures resulting from insufficient lubrication,
• preserving the engine refinement typical of the premium class. For users who want to better understand the impact of the cooling system on engine durability, the following article describing overheating issues and the role of oil coolers will be helpful: Engine cooling system – overheating, repair, and used radiators.

Expansion and service of the oil cooling system in a Mercedes

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 oil lines, oil coolers, or lubrication system fittings, check the available parts in the Mercedes oil coolers and hoses category. For S-Class owners who want to learn more about the differences between generations and the specifics of selecting service parts, an overview of the evolution of flagship models may also be useful: Evolution of the Mercedes S-Class: from W140 to W222 – innovations, model differences, and Mercedes auto parts over the years.