Brake Servo Mercedes W204 Brake Master Cylinder Booster A2044302230

Brake Servo Mercedes W204 Brake Master Cylinder Booster is an original brake system component designed for the Mercedes C-Class W204 generation. The use of a complete servo with a master brake cylinder ensures stable system pressure, precise braking force modulation, and comfortable brake pedal operation. This is an OEM solution that allows you to restore the factory performance parameters of the braking system.

Specifications and technical data

• SKU: RHD-A2044302230-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044302230
• Substitutable numbers: A2044302230, A 204 430 22 30, A2044302730, A 204 430 27 30, A0064301601, A 006 430 16 01, A2044300102, A 204 430 01 02, BG
• Part type: Brake Servo & Master Cylinder
• Category: Brake Servos

Purpose and function in the braking system

The brake servo integrated with the master cylinder is responsible for amplifying the pressure force on the brake pedal and transmitting it to the hydraulic circuits. Combined with the master brake cylinder, it forms a key assembly responsible for:

• stable pressure build-up in the brake lines,
• repeatable vehicle response to pedal input,
• reducing driver effort during emergency braking,
• cooperation with safety systems (ABS, ESP – depending on vehicle configuration).

Choosing an original servo with a master cylinder for the Mercedes W204 allows you to maintain the integrity of the entire braking system and reduce the risk of compatibility issues.

Technical category: Brake servos and pressure regulators

The presented item belongs to the Brake servos and pressure regulators category, i.e., components responsible for assisting and distributing braking force between the axles. In practice, this means that a correctly selected servo with a master cylinder:

• ensures predictable vehicle behavior during braking in various conditions,
• contributes to even wear of brake pads and discs,
• reduces the risk of the car pulling to one side during hard braking.

Thanks to the use of an original solution for the Mercedes W204, the factory pedal operating characteristics are maintained, which is important for both driving comfort and safety.

Original Mercedes brand and replacement numbers

The product comes from the Mercedes range, which means compliance with factory quality and design standards. The brake servo and master cylinder assembly has a dedicated OEM part number and assigned interchangeable numbers, which facilitates verification of compatibility with a specific engine version and vehicle equipment. Before purchasing, it is worth comparing the markings with the data in the manufacturer's catalog or service documentation to confirm full compatibility with your specific W204 unit.

Condition, installation, and service application

The offered item is used, which allows for an economical repair of the braking system while maintaining the original design. This type of brake servo and master cylinder assembly is used in situations where:

• the brake pedal becomes hard or unstable in operation,
• there are leaks in the area of the master brake cylinder,
• there are problems with maintaining pressure in the system,
• a comprehensive regeneration of the braking zone is necessary after a collision or due to wear and tear.

Installation should be performed by an experienced service center, following procedures for bleeding the system and checking for leaks. A correctly installed assembly restores stable and predictable brake operation, which directly translates into driving safety.

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 servos, brake pressure regulators, or related hydraulic components, check the available parts in the Mercedes brake servos and pressure regulators category.

Selection of used components and operation

When choosing a used brake servo with a master cylinder, it is worth paying attention to compliance with the manufacturer's markings, body type, and braking system configuration. Regular checks of brake fluid levels, line tightness, and the condition of pads and discs allow you to fully utilize the potential of this component and reduce the risk of failure. For drivers who want to deepen their knowledge about the selection and operation of used car parts, our blog article may be helpful: Air conditioning and heating – part selection and maintenance for year-round comfort, which describes practical principles for selecting OEM components and planning service.