Mercedes CLS C219 Automatic Transmission Oil Coolant Pipe Hose A2112701127

Mercedes CLS C219 Automatic Transmission Oil Coolant Pipe Hose is a specialized drivetrain component responsible for the safe supply and return of oil to the transmission oil cooler. Thanks to its precise fit for the CLS C219 model design and the use of factory Mercedes solutions, the pipe ensures stable operating conditions for the automatic transmission and supports its durability. It is a practical choice for users who expect proven geometry and reliable installation when replacing a worn or leaking component.

Specifications and technical data

• SKU: A2112701127-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2112701127
• Substitutable numbers: A2112701127, A 211 270 11 27
• Gearbox type: Automatic
• Part type: Oil Cooler Hose
• Category: Oil Coolers & Lines

Purpose and function in the oil cooling system

The described pipe is part of the Oil coolers and pipes group, responsible for controlling oil temperature in the automatic transmission. A properly functioning pipe maintains a sealed circulation of the working medium between the transmission and the cooler, which reduces the risk of transmission overheating, poor gear shifting quality, and accelerated wear of internal components.

In the case of the Mercedes CLS C219 model, proper oil routing is particularly important due to the operating characteristics of the automatic transmission. Using a dedicated pipe allows for maintaining factory pressure and flow specifications, which translates into stable system operation in urban and highway conditions, as well as under higher thermal loads.

Compatibility with the automatic transmission

The pipe has been designed to work with the automatic transmission in the Mercedes CLS C219, maintaining the original geometry of the connections and routing in the engine bay. The appropriate shaping of the ends and the length of the pipe facilitate installation at factory mounting points, without the need for modifications or the use of adapters.

Such a fit is important not only for installation but also for operation – it reduces stress on the joints, minimizes the risk of micro-cracks and leaks, and helps maintain proper oil flow parameters throughout the entire transmission cooling system.

Product characteristics and advantages of use

As a component from the Mercedes range, the automatic transmission oil coolant pipe retains factory material and design specifications, which promotes predictable behavior during long-term operation. A used component of this type is an attractive alternative to new replacements, especially where maintaining the original system configuration is key.

• Dedicated application for the Mercedes CLS C219, maintaining the original pipe routing.
• Compatibility with the automatic transmission oil cooling system.
• Possibility of economical repair in case of leaks or mechanical damage to the old pipe.
• Factory mounting and connection design, facilitating installation in workshop conditions.

For workshops and users, this means shorter repair times and reduced risk of fitment issues typical of universal design components.

Application in service practice

Replacing the automatic transmission oil coolant pipe is recommended when leaks, corrosion, mechanical damage, or system overheating are detected. Using a properly selected component allows for restoring correct oil circulation and reducing the risk of costly transmission failures. This is particularly important in Mercedes CLS C219 class vehicles, where stable transmission operation has a direct impact on driving comfort and safety.

To better understand the importance of an efficient cooling system in a vehicle, it is worth checking out our guide on the impact of high temperatures on cooling components – more information can be found in the article Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

System expansion: Mercedes oil coolers and pipes

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, connecting sections, or elements supplying oil to the cooler, check the available parts in the Mercedes oil coolers and pipes category.

For larger service tasks, it may also be helpful to familiarize yourself with our material on repair organization and parts availability – more practical tips can be found in the guide No more weeks of waiting – how a wide assortment in one warehouse really shortens your car's downtime at the mechanic?.