Mercedes GLE C292 ML W166 Transmission Oil Cooler Pipe Line A1665005672

Mercedes GLE C292 ML W166 Transmission Oil Cooler Pipe Line is a component of the automatic transmission oil cooling system, designed for Mercedes SUV models. It is responsible for the stable flow of oil between the transmission and the cooler, which supports maintaining the correct operating temperature of the transmission and reduces the risk of overheating. A used OEM component is a sensible choice for professional repairs or replacing a damaged pipe in a Mercedes vehicle.

Specifications and technical data

• SKU: A1665005672
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1665005672
• Substitutable numbers: A1665005672, A 166 500 56 72
• Category: Oil Coolers & Lines

Function and role of the transmission oil cooler pipe

The transmission oil cooler pipe in the Mercedes GLE C292 and ML W166 operates in a demanding thermal and hydraulic environment. Its tasks include:

• transporting transmission oil between the gearbox and the oil cooler,
• ensuring stable pressure in the oil circuit,
• supporting effective heat dissipation from the transmission,
• reducing thermal stress on the internal components of the gearbox.

Thanks to a properly functioning pipe, the oil cooling system operates predictably, which translates into greater transmission durability and stable drivetrain performance in both city and highway conditions.

Benefits of using an original pipe in the Mercedes GLE C292 / ML W166

Choosing a transmission oil cooler pipe from the Oil coolers and pipes group for the Mercedes brand allows you to maintain the factory operating parameters of the drivetrain. The original connection geometry and pipe routing facilitate installation in the engine bay and minimize the risk of stress, leaks, and vibrations.

The main advantages of this solution include:

• factory fitment for the oil cooling system in the specific model,
• preservation of the oil flow path designed by the manufacturer,
• appropriate resistance to operating temperature and pressure,
• consistency with other components of the Mercedes drivetrain.

A used OEM component is particularly attractive for repairs where technical compliance with factory specifications and control of service costs are important.

Condition, selection, and compatibility verification

The offered pipe comes from a Mercedes vehicle and is classified as a used part. Before installation, a standard visual inspection for leaks, the condition of the connections, and any signs of mechanical damage is recommended, as well as replacing seals and O-rings in accordance with the service procedure for the given model.

To precisely verify the compatibility of the pipe with a specific version of the GLE C292 or ML W166, it is worth using the OEM part number and interchangeable numbers assigned to this product. Detailed identification data can be found in the technical specifications section – comparing them with the vehicle documentation helps reduce the risk of purchasing an unsuitable component.

If you want to deepen your knowledge on how to safely select components by manufacturer numbers and avoid mistakes when shopping online, use the practical tips described in the article how to safely buy parts online using OEM numbers.

Oil cooling system and transmission durability

A functional transmission oil cooler pipe has a direct impact on the stability of the transmission oil temperature. Leaks, kinks, or damage to the pipe can lead to a drop in pressure, oil overheating, and consequently, accelerated wear of the internal transmission components.

A properly functioning oil cooling system:

• reduces the risk of transmission overheating under heavy load,
• supports smooth gear changes,
• decreases the probability of costly transmission failures,
• allows for maintaining stable drivetrain operating parameters in the long term.

More information on the importance of the cooling system for the longevity of the powertrain can be found in the guide Engine cooling system – overheating, repair, and used radiators, which discusses practical aspects of operation and diagnostics.

System expansion – Mercedes oil coolers and pipes

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 pipes, oil coolers, or fittings, check out the available parts in the Mercedes oil coolers and pipes category.

Summary

Mercedes GLE C292 ML W166 Transmission Oil Cooler Pipe Line is a practical service solution for users who want to restore the proper operation of the automatic transmission oil cooling system while maintaining factory geometry and operating parameters. A properly selected and installed pipe supports stable, predictable transmission operation, which directly translates into driving comfort and the durability of the entire drivetrain in Mercedes GLE C292 and ML W166 vehicles.