Mercedes W211 C219 Power Steering Cooling Pipe Line Hose OM642 A2114605224

Mercedes W211 C219 Power Steering Cooling Pipe Line Hose OM642 is a component from the Power steering hoses group, designed for the hydraulic system in Mercedes E-Class W211 and CLS C219 models with the OM642 engine. It is responsible for the stable dissipation of heat from the power steering fluid, which promotes smooth operation of the steering rack and pump while reducing the risk of system overheating.

Specifications and technical data

• SKU: A2114605224
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2114605224
• Substitutable numbers: A2114605224, A 211 460 52 24, A 211 997 14 82, A2119971482
• Part type: Hose
• Category: Power Steering Hoses

Purpose and function in the power steering system

The described cooling pipe operates within the power steering fluid circuit, ensuring its flow through a cooling section positioned in an area exposed to airflow. This keeps the system's operating temperature within a safe range, which helps maintain proper oil viscosity and improves the steering gear's performance.

In practice, this translates to:

• more predictable steering system response under high thermal load,
• reduced strain on the power steering pump during long-distance driving,
• reduced risk of pressure drops in the system at high ambient temperatures.

Benefits of using an original Mercedes pipe

The original power steering cooling pipe for Mercedes has been designed for the specific body geometry of the W211 and C219 and the characteristics of the OM642 engine. This means precise fitment to factory mounts, correct routing in the engine bay, and maintenance of proper clearances from hot and moving components. Such a fit reduces stress on connections and minimizes the risk of abrasion during operation.

Choosing an original component from this group also means:

• maintaining the factory cooling characteristics of the power steering fluid,
• consistency with other steering system components,
• easier diagnostics and service due to compliance with manufacturer documentation.

Condition, verification, and preparation for installation

The pipe comes from dismantling and has the status of a used component, which in practice means a favorable cost-to-functionality ratio while maintaining the original manufacturer's specifications. This type of part is particularly attractive for power steering repairs where both correct geometry and material compatibility with the factory system are important.

Before installation, a standard workshop procedure is recommended, including:

• checking the tightness of connections at the joints,
• inspecting the condition of working surfaces for clamps and mounts,
• replacing or filtering the power steering fluid in accordance with service recommendations.

Application in steering system diagnostics

A damaged or leaking cooling pipe can manifest as leaks, a drop in fluid level, and deterioration of steering rack performance, especially after warming up. In the case of steering play or oil traces near the hoses, it is worth conducting a comprehensive assessment of the entire power steering system, including hoses, the pump, and the steering gear.

To better understand the relationship between leaks, play, and the condition of the steering gear, an article describing the practical aspects of steering system repair may be helpful – more information can be found in the material: Steering play and leaks – is a used steering rack from dismantling a safe solution.

Repair expansion – other Mercedes power steering hoses

If you are planning a comprehensive repair or upgrade of the steering system area in your Mercedes and need other components from the same group, such as supply hoses, return hoses, or cooling sections, check the available parts in the Mercedes power steering hoses category.