Mercedes C CLK W203 C209 Kompressor Automatic Transmission Oil Cooler Pipe Line

Mercedes C CLK W203 C209 Kompressor Automatic Transmission Oil Cooler Pipe Line is an original drivetrain component, designed specifically for use with an automatic transmission. It enables stable heat dissipation from the transmission fluid, which translates into more predictable transmission operation and reduces the risk of overheating under demanding driving conditions. This is a practical solution for users who want to maintain the factory performance characteristics of the drivetrain in their C-Class and CLK models with Kompressor supercharging.

Specifications and technical data

• SKU: A2092709196
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2092709196
• Substitutable numbers: A2092709196, A 209 270 91 96
• Gearbox type: Automatic
• Category: Oil Coolers & Lines

Purpose and function in the oil cooling system

The oil cooler pipe in Mercedes C and CLK W203 / C209 series models with Kompressor engines is responsible for transporting transmission fluid between the gearbox and the oil cooler. This allows the oil to maintain a stable operating temperature, which promotes smooth gear shifting, reduces wear on friction elements, and supports the long-term efficiency of the automatic transmission.

The original design of the pipe ensures:

• properly selected oil flow diameter,
• factory routing in the engine bay,
• compatibility with the stock oil cooler and automatic transmission.

Benefits of using an original Mercedes pipe

Using an oil cooler pipe from the same design line as the vehicle's factory equipment allows for the consistency of the entire drivetrain to be maintained. Proper geometric fitment facilitates installation and minimizes the risk of stress or leaks at the connections. For the user, this means stable automatic transmission operation in both city traffic and during long highway drives.

Choosing an original component from the Oil coolers and pipes category also means:

• maintaining the factory transmission fluid flow characteristics,
• better cooperation with the stock oil cooler,
• reducing the risk of leaks resulting from poorly fitted aftermarket replacements.

Integration with the automatic transmission

The pipe has been designed to work with an automatic transmission, which is important for the stability of ATF pressure and temperature. Proper transmission fluid cooling affects:

• smoothness of gear shifts across the full load range,
• reduction of overheating during stop-and-go traffic and towing,
• extension of the service life of internal transmission components.

Thanks to the preservation of the original pipe geometry, it can be routed without issues through factory mounting points, which facilitates maintenance and subsequent leak inspections.

Condition, origin, and service application

The component comes from the Mercedes range and is classified as used, which allows for a reasonable cost while maintaining the original design specifications. This type of pipe is suitable both for the standard replacement of a damaged part and for more extensive service work related to the automatic transmission oil cooling system, e.g., after a collision or during drivetrain upgrades.

In practice, this is a solution aimed at users who expect consistency with the vehicle's factory design while wanting to maintain a rational repair budget by using used parts with preserved functionality.

Cooling system expansion and service knowledge

When working on the automatic transmission oil cooling system, it is worth paying attention to the general condition of the cooler, pipes, and airflow in the front part of the body. High ambient temperatures, especially in summer, have a direct impact on the load of the entire cooling system. More practical information on the impact of temperature on the cooling system and ways to use used components can be found in the article Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

If you are planning a comprehensive repair or upgrade of the drivetrain and oil cooling area in your Mercedes and need other components from the same group, such as additional pipes, oil coolers, or service fittings, check the available parts in the Mercedes oil coolers and pipes category.