Oil Pipe Mercedes W204 W212 Gearbox Oil Cooler Cooling Hose Line A2045280124

The Mercedes SLK R171 M271 Gearbox Oil Line is a component from the Oil Coolers and Lines group, designed for the automatic gearbox lubrication system in Mercedes vehicles. It ensures the safe routing of transmission oil between the gearbox and the cooling system, supporting stable operating temperatures and component longevity.

Specifications and technical data

• SKU: A2045280124
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2045280124
• Substitutable numbers: A2045280124, A 204 528 01 24
• Gearbox type: Automatic
• Category: Oil Coolers & Lines

Purpose and Function of the Gearbox Oil Line

The gearbox oil line in the SLK R171 model with the M271 engine works with the automatic gearbox, ensuring controlled oil flow to the oil cooler. A correctly selected component helps maintain the proper pressure and temperature of the working fluid, which translates to smooth gear changes and reduced wear on internal transmission components.

Replacing the line is particularly important when symptoms such as localized sweating, oil leaks, or corrosion on the connections are observed. Using a dedicated line for a specific drivetrain configuration minimizes the risk of leaks and system bleeding issues.

Benefits of Using an Original Mercedes Line

Choosing a gearbox oil line designed for the Mercedes SLK R171 M271 ensures:

• maintenance of the original line routing geometry within the engine bay,
• correct fit of the ends to the gearbox and oil cooler ports,
• stable lubrication system operation under typical operating loads,
• reduced risk of transmission oil overheating.

This allows the drivetrain to maintain predictable operating parameters, and the gearbox can function within the temperature ranges specified by the manufacturer. This, in turn, supports extended lifespan of the automatic transmission and reduces the risk of costly repairs.

Integration with the Oil Cooling System

As a component of the Oil Coolers and Lines category, the line works in close conjunction with the oil cooler, forming a closed loop for the cooling and lubricating fluid. A properly functioning line:

• ensures adequate oil flow through the heat exchanger,
• limits pressure drops at critical points in the system,
• allows for stable oil temperature maintenance across a wide range of driving conditions.

For long-term operation, it is important to pay attention to the condition of the lines, connectors, and mounting clamps – their wear can lead to gearbox overheating. More information on the impact of the cooling system on the durability of the powertrain and accessories can be found in the article: Engine Cooling System – Overheating, Repair, and Used Coolers.

Product Characteristics and Practical Application

The offered line is a component designed for Mercedes vehicles, which simplifies part selection for compatibility with a specific drivetrain configuration. This allows for consistency with the original design of the gearbox lubrication and cooling system, without the need for modifications or adaptations.

When replacing the gearbox oil line, it is recommended to:

• inspect the condition of other lines in the transmission oil circuit,
• verify the tightness of connections after installation,
• check the level and quality of oil in the automatic gearbox.

Such maintenance actions help maintain stable drivetrain operation and reduce the risk of failures resulting from insufficient oil cooling.

Application Area and Selection of Related Components

If you are planning a comprehensive repair or upgrade of the gearbox lubrication and cooling system in your Mercedes and need other components from the same group, such as return lines, supply sections, or additional branches for the heat exchanger, check the available parts in the Mercedes Oil Coolers and Lines category.

Summary

The Mercedes SLK R171 M271 Gearbox Oil Line is a practical solution for users who want to restore the proper operation of their automatic gearbox by recreating the original oil flow path. A correctly selected line supports stable transmission operating temperatures, improves operational safety, and helps maintain driving performance in line with the vehicle manufacturer's specifications.