Mercedes SLK R172 Power Steering Rack Cooler Fluid Line Hose M271 A1724605424

Mercedes SLK R172 Power Steering Rack Cooler Fluid Line Hose is an original hydraulic system component responsible for stable heat dissipation from the fluid in the steering rack. Thanks to its factory geometry and precise fit for the SLK R172 model with the M271 engine, it ensures proper fluid circulation and supports smooth operation of the steering gear, which translates into predictable and comfortable vehicle handling.

Specifications and technical data

• SKU: RHD-A1724605424
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1724605424
• Substitutable numbers: A1724605424, A 172 460 54 24
• Part type: Hose
• Category: Power Steering Hoses

Function and role in the power steering system

The offered cooling hose operates within the power steering fluid circuit, connecting the steering gear to the cooler or the return section. Its task is to dissipate excess heat generated during the operation of the pump and steering rack, which limits the drop in fluid viscosity and reduces the risk of overheating the entire system.

A properly selected hose in this section of the hydraulic system helps maintain:

• stable operating pressure in the power steering system,
• consistent, predictable steering gear performance,
• reduced load on the pump and seals,
• lower risk of noise, vibrations, and steering wheel shudder.

Original fitment for Mercedes SLK R172

The hose has been designed specifically for the power steering system in the Mercedes SLK R172 generation with the M271 unit, ensuring it retains factory routing geometry and appropriate mounting points. This means the hose path is consistent with the manufacturer's original design, which minimizes the risk of rubbing against body, suspension, or exhaust system components.

Such fitment is crucial for:

• collision-free hose routing in the engine bay,
• maintaining the correct bending radius and fluid flow,
• reducing mechanical stress during suspension movement and steering maneuvers.

Characteristics of the used component

The offered hose comes from dismantling and is a used component, which allows for an economical repair of the power steering system while maintaining the manufacturer's original specifications. In practice, this means the ability to restore proper system operation without the need to resort to aftermarket replacements with uncertain fitment.

Choosing an original, used hose is particularly beneficial in cases of:

• repairs after mechanical damage (e.g., collision, suspension intervention),
• leaks from the power steering cooling section,
• upgrading or replacing the steering gear with a component of the same specification.

Benefits of using an original power steering hose

Using a factory cooling hose in the power steering system of a Mercedes SLK R172 provides a number of practical operational benefits. The most important include:

• Stable hydraulic system operation – proper fluid flow and cooling limit performance drops in the power steering at high temperatures.
• Better protection for the steering rack and pump – lower operating temperature promotes longer service life for seals and moving parts.
• Factory fitment – no need for modifications, custom mounts, or altering the hose routing.
• The ability to maintain the original steering system configuration, which is important both in daily use and for preserving the vehicle's value.

Expansion and service of the Mercedes power steering system

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 high-pressure hoses, return lines, or additional cooling lines, check the available parts in the Mercedes Power Steering Hoses category.

When planning larger service tasks within the drivetrain and transmission systems, it is also worth expanding your knowledge on the cost-effectiveness of using secondary market components. The guide article Used gearbox – when is it worth it and what you need to remember, which discusses practical aspects of selecting used components and their impact on vehicle operating costs, may be helpful.