Brake Servo Mercedes W204 C 63 AMG Brake Master Cylinder Booster A2044303230

Brake Servo Mercedes W204 C 63 AMG Brake Master Cylinder Booster is an original brake system component designed for the Mercedes C-Class W204 generation, specifically the C 63 AMG version. The use of a complete servo with a master cylinder ensures stable system pressure, predictable pedal response, and consistent performance of the entire braking system in high-performance vehicles.

Specifications and technical data

• SKU: rhd-A2044303230
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044303230
• Substitutable numbers: A2044303230, A 204 430 32 30, A2044303430, A 204 430 34 30, A2124300101, A 212 430 01 01, A2044300102, A 204 430 01 02, BG
• Category: Brake Servos

Purpose and function in the braking system

The described brake servo and master cylinder set is part of the Brake Servos and Proportioning Valves group, responsible for assisting the pedal pressure and properly metering the pressure in the brake circuits. In a sports-oriented vehicle like the Mercedes C 63 AMG, a correctly selected servo and master cylinder are crucial for:

• maintaining consistent braking force during dynamic driving,
• precise brake pedal feel,
• stable cooperation with ABS/ESP systems,
• safe distribution of braking force between the axles.

By using an original component, the factory operating characteristics of the system are maintained, which is particularly important in powerful AMG versions.

Benefits of using an original servo with master cylinder

Choosing an original Mercedes component allows you to maintain compliance with the vehicle's factory specifications without the need for modifications to the installation or interference with the brake system's design. The most important advantages of this solution include:

• factory fitment for mounting points and engine bay geometry,
• proper compatibility with the existing hydraulic and vacuum system,
• preservation of the stock AMG braking system performance parameters,
• reduced risk of issues with bleeding and adjustment.

A used OEM component is a reasonable compromise between cost and maintaining high quality and compatibility with the vehicle's factory configuration.

Condition, installation, and service application

The presented brake servo and master cylinder come from an operational vehicle, which allows for an economical repair of the braking system without sacrificing the original design. This type of part is particularly useful in situations where:

• mechanical damage to the servo or master cylinder has occurred (e.g., corrosion, leaks),
• there are problems with maintaining pressure in the braking system,
• a comprehensive replacement of the brake booster assembly is necessary after a collision,
• repair or regeneration of the existing component is not cost-effective.

Due to the nature of the braking system, installation by an experienced service center is recommended, following proper bleeding and leak testing procedures. A correctly installed assembly ensures stable and predictable brake performance during daily operation and intensive use.

Part selection by numbers and compatibility

The item has a dedicated OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific body and engine version. When selecting, it is recommended to compare the markings with the currently installed unit or the vehicle's service documentation. This allows for precise matching of the servo and master cylinder to a specific C 63 AMG unit, minimizing the risk of installation problems.

In case of doubt, it is worth consulting the numbering with the manufacturer's catalog or a specialized service center to maintain full compatibility with the vehicle's braking system and electronics.

Expansion and service of the Mercedes braking zone

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 brake master cylinders, servos, or proportioning valves, check the available parts in the Mercedes Brake Servos and Proportioning Valves category.

For drivers who are simultaneously servicing other vehicle systems and considering the use of used OEM parts, the guide on selecting and operating comfort components may be helpful. Practical tips in this regard can be found in the article Air conditioning and heating – part selection and maintenance for year-round comfort, which discusses, among other things, the principles of safely using used components in a car.