Brake Servo Mercedes W204 W207 Booster Master Cylinder A2044301230

Brake Servo Mercedes W204 W207 Booster Master Cylinder is an original brake system component, designed by Mercedes to ensure precise braking force distribution and stable operation of the entire system. Using a complete brake servo with a master cylinder allows for maintaining the factory brake pedal feel and consistency with other vehicle components.

Specifications and technical data

• SKU: rhd-A2044301230-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044301230
• Substitutable numbers: A2044301230, A 204 430 12 30, A2044300102, A 204 430 01 02, A0064301601, A 006 430 16 01, A0054308630, A 005 430 86 30, KD
• Category: Brake Servos

Purpose and function in the braking system

The presented brake servo integrated with the master cylinder is a key component responsible for assisting the pressure force on the brake pedal and evenly distributing pressure to the brake circuits. In Mercedes W204 and W207 models, it is responsible for maintaining a predictable, repeatable vehicle response to pedal input, which directly translates into safety and driving comfort.

The original design ensures proper cooperation with the factory vacuum system and vehicle electronics, minimizing the risk of malfunction in the ABS/ESP system and other driver assistance functions.

Construction and technical advantages

The brake servo in this set acts as a force booster, using vacuum to relieve the driver during braking. The integrated master cylinder is responsible for precisely generating pressure in the hydraulic circuits, which is particularly important during emergency braking and the operation of stability control systems.

The most important technical advantages of this solution include:

• factory fitment to the engine bay geometry in the Mercedes W204 / W207,
• preservation of the original brake pedal travel and firmness characteristics,
• consistency with the factory brake force distribution between axles,
• compatibility with stock brake lines and equipment.

Benefits of using an original used component

Choosing an original, used brake servo with a master cylinder allows for maintaining factory-quality brake system performance while optimizing repair costs. The component sourced from a dismantled Mercedes retains structural compatibility with the specific model, which reduces the need for installation modifications and shortens service time.

For users who want to better understand how to select used OEM components and how to plan the maintenance of key vehicle systems, the following article will be helpful: Air conditioning and heating – parts selection and maintenance for year-round comfort. Although it concerns a different system, it demonstrates best practices in selecting and operating original components.

If you want to learn more about the arguments for using original parts from dismantling for cars of this brand, it is worth reading the material: Mercedes – comfort, prestige, and durability. Why is it worth choosing original used parts?, which discusses, among other things, the aspects of durability and cost-effectiveness of such solutions.

Selection and application in service practice

When selecting a brake servo with a master cylinder for a Mercedes W204 / W207, it is crucial to match it to the specific vehicle version and brake system configuration. An original component from the same design family facilitates the mechanic's work because it:

• allows the use of existing mounting points on the engine bay bulkhead,
• ensures compatibility with the stock brake pedal and its mechanism,
• reduces the risk of leaks in the hydraulic system when installed correctly.

Thanks to this, the entire replacement process can be carried out in an orderly manner, maintaining manufacturer standards and without the need for system modifications.

Integration with other brake system components

The brake servo with master cylinder works with discs, pads, lines, and brake force regulators, creating a cohesive system responsible for stopping the vehicle. A properly selected and functional component of this type allows for fully utilizing the potential of other components, ensuring stable pressure in the circuits and predictable vehicle behavior in emergency situations.

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, brake force regulators, or related modules, check the available parts in the category Mercedes Brake Servos and Regulators.