Oil Cooler Mercedes W211 C219 OM642 Transmission Gearbox Radiator A2115000200

Oil Cooler Mercedes W211 C219 OM642 Transmission Gearbox Radiator A2115000200 is a component from the Oil coolers and lines group, designed for the drivetrain system in Mercedes vehicles with the OM642 engine. This used transmission oil cooler allows for maintaining a stable operating temperature of the working medium, which promotes smooth operation of the automatic transmission and reduces the risk of overheating.

Specifications and technical data

• SKU: A2115001700-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115001700
• Substitutable numbers: A2115001700, A 211 500 17 00, A2115000200, A 211 500 02 00, A2115001600, A 211 500 16 00
• Category: Engine Oil Coolers & Lines

Purpose and function in the drivetrain system

The presented transmission oil cooler is dedicated to Mercedes E-Class W211 and CLS C219 models with the OM642 unit, where it is responsible for heat exchange between the transmission oil and the environment. A properly functioning heat exchanger limits the degradation of the oil's lubricating properties, stabilizes the operation of the automatic transmission, and helps maintain predictable gear shift points.

Thanks to its factory OEM design, the cooler works with original oil lines and mounts, which facilitates installation in place of a worn-out component. Maintaining the correct transmission oil temperature translates into less wear on clutch plates, control valves, and seals inside the gearbox.

Construction and technical compatibility

The transmission oil cooler in this version is a design adapted for operation in a high-temperature system, with appropriately selected flow channel geometry. The use of an original Mercedes solution ensures:

• consistency with the factory oil cooling system in vehicles with the OM642 engine,
• compatibility with the mounting points provided by the manufacturer,
• correct direction and efficiency of the working medium flow.

The component has an assigned OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. Before purchasing, it is worth comparing the markings with service documentation or the removed component to confirm full compatibility.

Benefits of using a used transmission oil cooler

Choosing a used transmission oil cooler for a Mercedes W211 or C219 is a cost-effective solution while maintaining factory design and fitment. The original component from this group ensures:

• maintenance of transmission operating parameters thanks to proper heat dissipation,
• possibility of installation without modifications to the oil system and brackets,
• consistency with the factory design of the Mercedes drivetrain system.

Compared to replacements of uncertain origin, the original transmission oil cooler fits better with the manufacturer's design assumptions, which is important for long-term vehicle operation and maintaining stable automatic transmission performance.

Selection, installation, and operation

Before installation, it is recommended to thoroughly flush the transmission oil system and verify the condition of lines and connectors to avoid contamination and leaks. A properly selected transmission oil cooler should work with the existing installation without the need for adaptation, which shortens service time and reduces the risk of installation errors.

To maintain system durability, it is worth periodically checking the condition of the transmission oil and the operating temperature of the gearbox, especially in vehicles used for towing or in urban conditions with frequent load changes. Regular service maintenance combined with a functional oil cooler translates into a longer service life of the entire drivetrain.

Technical support and additional materials

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

To better understand the impact of a functional cooling system on the durability of the engine and transmission, it is worth reading the guide: Engine cooling system – overheating, repair, and used radiators, where the role of the oil cooler in Mercedes W211 models is discussed, among other things.