Mercedes SLK R170 Brake Pump ABS ETS Hydraulic Module Brake Unit A0034310312

Mercedes SLK R170 Brake Pump ABS ETS Hydraulic Module Brake Unit is a component from the ABS and ESP System group, designed to operate within the advanced vehicle stability and traction control system in Mercedes models. This used sub-assembly allows for the technical replacement of a faulty pump in an existing system, maintaining the factory performance characteristics of the ABS and ETS systems.

Specifications and technical data

• SKU: A0034310312
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0034310312
• Substitutable numbers: A0034310312, A 003 431 03 12
• Category: ABS & Stability Hydraulic Units

Purpose and function in the braking system

The described Mercedes SLK R170 Brake Pump ABS ETS Hydraulic Module Brake Unit operates within the vehicle's integrated safety system, responsible for precise pressure control in the brake circuits during ABS and traction control system activation. In combination with wheel speed sensors and the electronic control unit, it enables stable braking on surfaces with varying grip levels.

A properly selected element from this group allows for the restoration of correct system operation, eliminating symptoms such as brake pedal pulsation, incorrect ABS engagement, or error messages related to the stability control system.

Benefits of using an original Mercedes component

Using a Mercedes brand component ensures the preservation of the factory logic of the ABS and ETS systems, without the need to adapt aftermarket solutions. The original design is engineered for the specific hydraulics and electronics architecture of the vehicle, which translates into:

• consistent operation with the existing ABS and ESP control unit,
• proper compatibility with the brake installation and lines,
• stable operating parameters under typical service conditions.

For users who expect predictable braking system response, choosing an original sub-assembly is a technically safe solution that is easy to verify for compatibility.

Characteristics of the used component

The presented pump comes from disassembly and has the status of a used component. This type of part is an attractive cost alternative to new sub-assemblies while maintaining the manufacturer's original specifications. In practice, this allows for:

• reducing repair costs while maintaining the factory design,
• easier matching to the existing installation in the vehicle,
• the possibility of replacing the element as part of standard service procedures.

Choosing a used element is particularly justified in vehicles used on a daily basis, where combining functionality with a reasonable repair budget is key.

Integration with the ABS and ESP System

The Mercedes SLK R170 Brake Pump ABS ETS Hydraulic Module Brake Unit works with other components from the ABS and ESP System group, creating a cohesive system responsible for vehicle stability. Replacing this element is often performed in parallel with the diagnostics of wheel speed sensors, brake lines, and the control module to restore full system functionality.

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other elements from the same group, such as pumps, control modules, or hydraulic blocks, check the available parts in the ABS and ESP System Mercedes category.

Technical support and part selection

When selecting elements from the active safety group, it is worth considering the differences between standard and sports brake system configurations. It may be helpful to review material describing the characteristics of advanced components in premium class cars, such as the article on the differences between BMW M and M Performance components versus standard ones, which shows how brake system design affects vehicle behavior.

If you are considering whether a better solution in your case would be to refurbish the existing sub-assembly or install a used original from disassembly, a practical guide on choosing between a refurbished part and a used original, discussing the technical and economic aspects of such a decision, may also be helpful.

Summary

Mercedes SLK R170 Brake Pump ABS ETS Hydraulic Module Brake Unit is a used, original element from the ABS and ESP System group, designed to restore the correct operation of ABS and ETS systems in Mercedes vehicles. Choosing this sub-assembly allows for a technically consistent repair of the braking system, maintaining factory performance characteristics without the need to interfere with the vehicle's installation design.