Brake Servo Mercedes W205 C238 Booster Master Cylinder Module A2134300430

Brake Servo Mercedes W205 C238 Booster Master Cylinder Module is an original brake system component from the Brake servos and pressure regulators group, designed for Mercedes C-Class and E-Class coupe models. This used OEM brake servo ensures proper brake pedal assistance, stable system operation, and predictable vehicle response during daily use. It is a solution for users who expect factory compatibility and reasonable repair costs.

Specifications and technical data

• SKU: A2054301400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2054301400
• Substitutable numbers: A2054301400, A 205 430 14 00, A2134300430, A 213 430 04 30, A2054300002, A 205 430 00 02, A2054300130, A2384300100
• Category: Brake Servos

Purpose and function of the brake servo

The brake servo in a Mercedes is responsible for increasing the force applied to the brake master cylinder using vacuum from the engine or the vacuum system. This provides the driver with a noticeably lighter pedal feel, while braking force is more controllable and consistent. Using an original servo from the same model family ensures the operating parameters specified by the vehicle manufacturer are maintained.

A properly selected brake servo is crucial for:

• stable and predictable brake system response,
• brake pedal comfort,
• maintaining the correct assistance characteristics across the entire load range.

Compatibility with the Mercedes brake system

The offered servo comes from the Mercedes W205 / C238 model family and is a component of the factory brake system for this brand. This ensures the retention of mounting geometry, the correct operating stroke, and compatibility with the brake master cylinder and vacuum installation designed for these bodies. Using parts from the same platform reduces the risk of installation issues and facilitates the mechanic's work.

The component belongs to the Brake servos and pressure regulators group, meaning it has been designed to operate in a critical area of the braking zone where operational precision and an appropriate safety margin are required.

Characteristics of the used brake servo

The presented item is a used part, sourced from a dismantled Mercedes vehicle. Such components are a popular choice for brake system repairs when the goal is to maintain the original design while optimizing service costs. A used OEM brake servo, when properly installed and checked for leaks, can continue to provide stable operating parameters in daily use.

Before installation, a standard workshop procedure is recommended, including checking vacuum connections, verifying the mounting to the bulkhead, and testing the interaction with the brake master cylinder. This approach allows for fully utilizing the potential of the dismantled part and reducing the risk of subsequent leaks.

Benefits of using an original Mercedes servo

Using an original brake servo in a Mercedes brings a number of practical benefits:

• Factory compatibility – maintaining the assistance characteristics and compatibility with other brake system components as intended by the manufacturer.
• Reduced modifications – no need to adapt mounts or vacuum lines, which shortens workshop labor time.
• Consistency with safety systems – the servo is designed to work with the ABS/ESP systems of the specific vehicle generation.

For users who value predictable vehicle behavior and maintaining the original configuration of the brake system, choosing such a component is a technically sound solution.

Mercedes brake servos and pressure regulators – expanding the braking zone

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other components from the same group, such as additional servos, pressure regulators, or related assistance modules, check the available parts in the Mercedes brake servos and pressure regulators category.

How to care for used brake system components

To maximize the potential of a used brake servo, it is worth paying attention to regular checks of the vacuum system's tightness, the condition of the lines, and the correct operation of the brake pedal after installation. Proper operation and periodic inspections allow for maintaining stable assistance parameters for a longer time.

Practical tips on the operation and maintenance of dismantled components, including brake system parts, can be found in the article How to extend the life of used car parts?, which describes proven methods for maintaining components sourced from the secondary market.