Brake Servo Mercedes W205 C238 Booster Master Cylinder Module A2134300430

Brake Servo Mercedes W205 C238 Booster Master Cylinder Module is an original braking system component from the Brake Servos and Proportioning Valves group, designed for Mercedes mid-size and luxury models. This used OEM brake servo ensures proper pedal force assistance, which translates into stable, predictable, and safe braking in daily operation.

Specifications and technical data

• SKU: A2054301400-1
• 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

Technical characteristics of the brake servo

The presented brake servo has been designed by the vehicle manufacturer for precise integration with the Mercedes braking system. It is responsible for amplifying the force applied to the brake pedal, allowing the driver to achieve effective deceleration with less effort. The servo construction is adapted to the hydraulic and vacuum parameters of the system, which minimizes the risk of malfunction and uneven braking.

The original servo from this group is compatible with factory-fitted proportioning valves, ABS/ESP modules, and the master cylinder, which allows for the consistency of the entire system. As a result, the system reacts predictably to both light and heavy pedal pressure, and the braking force is appropriately distributed to all wheels.

Benefits of using an original Mercedes servo

Using an OEM component in the braking system is crucial for safety and driving comfort. The original Mercedes brake servo ensures:

• proper cooperation with the factory master cylinder and vehicle electronics,
• stable, repeatable assistance performance across the full load range,
• appropriate force transmission from the pedal to the pressure in the braking system,
• preservation of the factory brake pedal operating characteristics.

For the user, this means predictable vehicle behavior during braking, which is particularly important in emergency situations. Choosing a used OEM component from the Brake Servos and Proportioning Valves category is a compromise between repair costs and maintaining the factory operating parameters of the system.

Application and compatibility with the braking system

The brake servo in Mercedes W205 and C238 models works with advanced safety systems such as ABS or stability control. Therefore, it is essential that this component is structurally compatible with the rest of the sub-assemblies. The presented product comes from a dismantled Mercedes vehicle, which allows for maintaining the original mounting geometry, correct rod length, and proper operating parameters of the diaphragm and internal valves.

Before installation, it is recommended to verify compatibility with the specific engine and equipment version of the vehicle, as well as to check the vacuum system for leaks. A correctly selected brake servo reduces the risk of a pedal that is too hard, increased braking distance, or uneven operation of the front and rear axle brakes.

Condition, origin, and operation of the used servo

The offered component comes from the secondary market and is classified as a used OEM sub-assembly. This type of solution is often chosen by workshops and users who want to maintain factory build quality while reducing repair costs. In the case of brake servos, it is particularly important that original components are designed with a high safety margin, which favors their continued operation after proper condition verification.

To maximize the potential of a used component, it is worth following the principles of proper installation and operation. Practical tips on maintenance and care for dismantled sub-assemblies can be found in the article How to extend the life of used car parts?, which describes proven methods for using and servicing components from the secondary market.

Expanding the Mercedes braking system

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 additional servos, proportioning valves, or related assistance components, check the available parts in the Mercedes Brake Servos and Proportioning Valves category.

Summary

Brake Servo Mercedes W205 C238 Booster Master Cylinder Module is a functional, used OEM component that allows you to restore the proper operation of the braking system in vehicles of this brand. By choosing an original servo from the Brake Servos and Proportioning Valves category, you gain structural compatibility, predictable operating characteristics, and compliance with factory safety systems, which translates into safe and comfortable vehicle operation.