Mercedes W221 M275 Automatic Gearbox Transmission Oil Pipe Line Hose A2212700596

Mercedes W221 M275 Automatic Gearbox Transmission Oil Pipe Line Hose is a specialized drivetrain component designed for use with the petrol engine and automatic transmission. As part of the Oil coolers and lines group, it is responsible for the safe transport of transmission oil to the cooling system, stabilizing the operating temperature of the gearbox. Using this OEM component allows you to maintain the factory performance characteristics of the transmission while optimizing service costs.

Specifications and technical data

• SKU: A2212700596
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2212700596
• Substitutable numbers: A2212700596, A 221 270 05 96
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Engine Oil Coolers & Lines

Purpose and technical function

The Mercedes W221 M275 Automatic Gearbox Transmission Oil Pipe Line Hose operates under demanding thermal and pressure conditions. Its tasks include:

• transporting transmission oil between the gearbox and the cooling system,
• maintaining a stable operating temperature for the automatic transmission,
• ensuring proper flow of the lubricating and cooling medium within the system.

By using a properly functioning hose, you reduce the risk of transmission overheating, poor gear shift quality, and premature wear of internal components.

Drivetrain compatibility

The component has been designed to work with the automatic transmission in combination with the petrol engine, ensuring a perfect match for the pressure and temperature characteristics typical of this powertrain. The design of the hose accounts for:

• routing geometry within the engine bay and W221 chassis,
• mounting points to the gearbox and oil cooler,
• resistance to vibrations and temperature fluctuations in typical operating ranges.

Such compatibility promotes smooth transmission operation, stable gear shifts, and predictable vehicle behavior under various road conditions.

Characteristics of the used component

The offered hose is a salvaged part, which allows you to combine reasonable costs with the preservation of the manufacturer's original specifications. A used component of this type is particularly attractive for:

• post-accident repairs where oil lines have been damaged,
• preventive maintenance after leaks or corrosion have been detected in the existing installation,
• restoring the factory configuration of the oil cooling system in a Mercedes W221.

Choosing an original oil hose from this group allows you to maintain compliance with the factory design of the transmission oil cooling system, which is essential for the durability of the gearbox and the stability of its operating parameters.

Benefits of using the oil hose in the cooling system

A functional oil hose in a Mercedes W221 with an M275 engine and automatic transmission affects several key aspects of operation:

• Stable transmission oil temperature – reduces the risk of overheating and degradation of lubricating properties.
• Improved automatic transmission refinement – smoother gear shifts under load and in high ambient temperatures.
• Support for transmission durability – uniform cooling reduces thermal stress on internal components.

This solution is particularly important for vehicles used in city traffic, in high temperatures, or during frequent towing, where the thermal load on the drivetrain is significantly increased.

High-temperature operation and service knowledge

During the summer season, the transmission oil cooling system works under higher loads, and the condition of the oil hoses has a direct impact on the thermal safety of the gearbox. If you want to better understand how high temperatures affect the cooling system and when it is worth considering the installation of used parts, such as hoses or coolers, check out our guide Summer heat vs. cooling system: used coolers and fans as a guarantee of savings.

Expanding the Mercedes oil cooling system

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 oil hoses, return lines, or connection elements for the cooler, check out the available parts in the Mercedes oil coolers and lines category.