Mercedes W205 W213 Brake Servo Booster Master Cylinder A2134300100

Mercedes W205 W213 Brake Servo Booster Master Cylinder is a complete servo-master cylinder unit designed for the braking system in gasoline-powered vehicles. This component ensures a stable transfer of brake pedal pressure into the brake circuit pressure, resulting in predictable, safe, and comfortable deceleration. Thanks to the original Mercedes design, the part maintains the correct operating parameters in vehicles of this brand without the need for adaptation.

Specifications and technical data

• SKU: RHD-A2134300100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2134300100
• Substitutable numbers: A2134300100, A 213 430 01 00
• Fuel type: Petrol
• Category: Master Cylinders

Technical characteristics and intended use

The presented brake servo-master cylinder assembly is a component from the Brake master cylinders group, designed specifically for Mercedes C-Class (W205) and E-Class (W213) models with gasoline engines. Integrating the vacuum booster with the master cylinder allows for precise pressure dosing in the brake circuits and stable system operation across a wide range of loads. The OEM design ensures the correct positioning of ports, mounting points, and the brake pedal interface, which facilitates installation and reduces the risk of leaks.

The system is adapted to work with the factory Mercedes braking architecture, including ABS/ESP systems, which allows for maintaining the original braking force characteristics and safety system efficiency. As a result, the consistency of the entire braking system is preserved after replacement, without the need for controller software modifications.

Benefits of using the original servo-master cylinder assembly

Using the original brake servo-master cylinder assembly in a Mercedes W205 or W213 provides a number of practical operational benefits:

• preservation of the factory brake pedal feel – predictable travel and linear response to pressure,
• proper cooperation with ABS/ESP systems without the need for adaptation,
• master cylinder capacity properly matched to the diameter of calipers and discs,
• consistency with the factory vacuum equipment of the gasoline engine.

For the user, this means stable and repeatable brake performance in emergency situations and during daily driving. In the case of premium vehicles such as Mercedes, maintaining the original braking system configuration is crucial for safety and driving comfort.

Condition, verification, and part selection

The offered component comes from a used vehicle, which allows for an economical repair of the braking system while maintaining the manufacturer's original specifications. Before being offered for sale, the part is verified for leaks, the condition of the housing, and the correct operation of the servo mechanism to provide the user with a functional component ready for further use.

For proper selection, it is recommended to compare the braking system configuration in the car (engine type – gasoline, body type, model year) and verify compatibility using the catalog numbers in the specification tab. This approach minimizes the risk of mismatch and speeds up the installation process in the workshop.

Integration with the fuel system and operation in gasoline vehicles

In vehicles with a gasoline engine, the source of vacuum for the brake servo is usually the intake manifold or a dedicated vacuum pump, the operation of which is closely linked to the engine and fuel system. A properly functioning brake servo-master cylinder assembly requires stable vacuum, so when diagnosing, it is also worth considering the condition of components responsible for fuel supply and combustion.

To better understand the relationships between gasoline engine operation, the fuel system, and vacuum function, the following guide will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. You will find practical tips on diagnostics, part selection by number, and fuel injection operation, which facilitates a comprehensive approach to vehicle servicing.

Expansion and modernization of the Mercedes braking system

If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and need other components from the same group, such as additional pumps, booster modules, or pressure control elements, check the available parts in the Mercedes brake master cylinders category.