Mercedes SLK R171 M271 Gearbox Oil Cooler Pipe Hose Line Set A1712700496

Mercedes SLK R171 M271 Gearbox Oil Cooler Pipe Hose Line Set is an original set of components from the Oil coolers and pipes group, designed for the automatic transmission system in Mercedes SLK R171 generation models with the M271 engine. The set ensures proper oil circulation between the transmission and the cooler, which translates into a stable operating temperature for the gearbox and safe vehicle operation.

Specifications and technical data

• SKU: A1712700496-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1712700496
• Substitutable numbers: A1712700496, A 171 270 04 96
• Gearbox type: Automatic
• Part type: Oil Cooler Line
• Category: Oil Coolers & Lines

Purpose and function in the automatic transmission system

The presented oil pipe set is a component of the transmission oil cooling system in an automatic gearbox. It is responsible for:

• transporting oil from the transmission to the oil cooler,
• returning the cooled medium to the gearbox,
• maintaining a stable ATF operating temperature,
• reducing the risk of overheating and accelerated wear of transmission components. Thanks to the proper oil flow, the automatic transmission maintains predictable gear shifting characteristics, and its operation remains smooth and repeatable across a wide range of loads.

Set construction and fitment for Mercedes SLK R171 M271

The set has been designed specifically for the geometry of the engine bay and drivetrain in the Mercedes SLK R171 with the M271 unit and automatic transmission. This means:

• factory routing of pipes along original mounting points,
• correct diameters and connection ends matched to the transmission and oil cooler,
• compatibility with factory brackets and covers. Such fitment facilitates installation and minimizes the risk of stress on the connections, which is essential for system tightness and long-term operation.

Performance characteristics of the used component

The offered set comes from disassembly, which allows for an economical repair of the transmission oil cooling system while maintaining the original manufacturer's specifications. A used component is a good solution in situations where:

• existing pipes show signs of external corrosion or mechanical damage,
• there are oil leaks in the area of connections with the cooler or transmission,
• it is necessary to replace the entire oil flow path after accident repairs. Choosing an original, used set allows you to maintain compliance with the factory system design, which is important for the durability of the automatic transmission and the predictability of its operation.

The importance of functional oil pipes for transmission durability

In an automatic transmission, oil temperature has a key impact on the lifespan of clutch discs, control valves, and seals. Functional oil pipes:

• ensure proper flow through the oil cooler,
• limit pressure drops in the system,
• reduce the risk of local overheating during traffic jams or under higher loads. Replacing worn or leaking pipes with a functional set dedicated to a specific Mercedes model is an important element of service maintenance, especially in vehicles operated with an automatic transmission for many years.

Related oil cooling system components and service knowledge

During work on the transmission oil cooling system, it is also worth paying attention to the condition of the oil cooler itself and the engine bay ventilation. High ambient temperatures put additional strain on this area of the vehicle – you can find more practical information on this topic in the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, which discusses the impact of temperature on cooling systems and the possibilities of economical operation using used parts. If you are planning a comprehensive repair or upgrade of the transmission oil cooling area in your Mercedes and need other elements from the same group, such as additional pipes, oil coolers, or mounting elements, check the available parts in the Mercedes oil coolers and pipes category.