Mercedes W211 Automatic Gearbox Transmission Oil Line Tube Hose Pipe A2112705996

Mercedes W211 Automatic Gearbox Transmission Oil Line Tube Hose Pipe is a specialized component from the Oil coolers and lines category, responsible for the safe routing of transmission fluid between the automatic gearbox and the cooling system. A properly selected oil line stabilizes the operating temperature of the transmission, which translates into smoother gear shifting and a longer service life for the entire drivetrain. This solution is designed for users who expect a precise fit for the Mercedes E-Class W211 generation design.

Specifications and technical data

• SKU: A2112705996
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2112705996
• Substitutable numbers: A2112705996, A 211 270 59 96
• Gearbox type: Automatic
• Category: Oil Coolers & Lines

Function of the oil line in an automatic transmission

The oil line in an automatic transmission is responsible for transporting the lubricating and cooling medium between the gearbox and the heat exchanger. A properly functioning component:

• ensures stable transmission fluid flow across the entire load range,
• supports the maintenance of the optimal operating temperature of the automatic transmission,
• reduces the risk of overheating and degradation in shift quality,
• minimizes the possibility of leaks at connections thanks to its factory-matched geometry.

For the Mercedes W211 design, the correct oil line is crucial for transmission durability and maintaining the factory gear-shifting characteristics.

Designed for automatic transmission

The described line has been designed to work with an automatic transmission, which means it is matched to the operating pressures and temperatures typical for this type of gearbox. The design of the line takes into account:

• the appropriate internal diameter to ensure proper oil flow,
• geometry consistent with the factory routing in the engine bay of the Mercedes W211,
• adaptation to work under variable thermal load conditions.

As a result, the line works with the oil cooling system in a manner consistent with the vehicle manufacturer's specifications, which is essential for maintaining stable automatic transmission operation in city traffic and on the highway.

Characteristics of the used component

The offered transmission oil line is a used component, sourced from dismantling. This type of part allows for an economical repair of the oil cooling system while maintaining the original geometry and mountings. In practice, this means:

• factory fitment to the mounting points in the W211 body,
• preservation of the original routing of the line relative to other components,
• the ability to restore the serial oil routing system without modifying the installation.

For many Mercedes owners, choosing a used oil line is a reasonable compromise between repair costs and maintaining the original technical specifications.

Importance for the oil cooling system and transmission durability

A properly selected oil line, in combination with the oil cooler, influences the thermal stability of the entire transmission system. In practice, this translates into:

• more predictable automatic transmission operation in high ambient temperatures,
• reduction of transmission fluid degradation resulting from overheating,
• reduced risk of failures related to pressure loss or leaks in the oil circuit.

To better understand the role of cooling in a vehicle, it is worth reading the guide describing the impact of high temperatures on the cooling system and the savings potential when using second-hand components – details can be found in the article Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

Integration with the Mercedes Oil coolers and lines system

In the case of service work on the oil cooling system in a Mercedes W211, there is often a need to replace more than one component – from lines and the oil cooler itself to additional sections of the installation. If you are planning a comprehensive repair or upgrade of the oil cooling area in your Mercedes and need other components from the same group, such as additional oil lines, return sections, or oil supply lines to the cooler, check the available parts in the Mercedes Oil coolers and lines category.

Summary

Mercedes W211 Automatic Gearbox Transmission Oil Line Tube Hose Pipe is a practical solution for users who want to restore proper oil circulation in an automatic transmission while maintaining the manufacturer's original concept. A used component from the Oil coolers and lines group allows for a technically correct and, at the same time, economical repair of the system, which is particularly important in the case of the advanced automatic transmissions used in the Mercedes W211.