Description
The Mercedes W177 W205 W213 Brake Booster Vacuum Sensor is an original part from the Brake Boosters and Force Correctors group, designed for the braking system of select Mercedes models. It precisely measures vacuum in the power assist system, ensuring stable booster operation and predictable brake pedal response. This is a solution for users who expect factory compatibility and predictable braking system performance parameters.
Specifications and technical data
- SKU: A0009055204
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A0009055204
- Substitutable numbers: A0009055204, A 000 905 52 04, 0265005376, 0 265 005 376, KD
- Category: Brake Servos
Application and Role in the Braking System
The brake booster vacuum sensor is responsible for monitoring the operating conditions in the vacuum circuit that supplies the brake booster. Correct reading of this parameter is crucial for:
- maintaining adequate brake assist force,
- stable system operation during sudden braking,
- proper cooperation with the vehicle’s control electronics.
In Mercedes vehicles of the W177, W205, and W213 series, this sensor is an element linked to advanced safety systems, therefore its proper functioning directly impacts braking comfort and predictability.
Construction, Compatibility, and Vehicle Integration
The offered sensor comes from the Mercedes line, which means adherence to factory manufacturing standards and full integration with the original braking system components. The element is structurally designed for installation in dedicated mounting points, which facilitates servicing and reduces the risk of leaks in the vacuum circuit.
Thanks to the use of original measurement electronics, the sensor works with factory control units, without the need for installation modifications or software adaptations. This is particularly important in vehicles equipped with advanced driver-assistance systems, where signal consistency from sensors is crucial for correct diagnostics and safety function operation.
Benefits of Using an Original Vacuum Sensor
Choosing a brake booster vacuum sensor from this series is a solution for users who want to maintain consistency with the vehicle’s factory configuration. The main advantages include:
- reliable cooperation with the booster system – maintaining braking characteristics consistent with the manufacturer’s design,
- proper fit for the vacuum and electrical installation,
- easier computer diagnostics due to predictable operating parameters,
- reduced risk of errors in safety systems resulting from incorrect vacuum readings.
Using parts from the Brake Boosters and Force Correctors category that originate from the same product family as the vehicle’s original equipment promotes the maintenance of stable braking system performance in the long term.
Product Characteristics and Condition
The presented sensor is a used part, allowing for economical restoration of the braking system’s functionality while maintaining the original manufacturer’s specifications. This is a good solution in situations where the vehicle requires sensor replacement, and the priority is to maintain compatibility with factory components and reduce repair costs.
Due to the nature of the part, it is advisable to perform a standard inspection of the vacuum system and the booster before installation to ensure that the new component operates under correct conditions. A properly functioning vacuum sensor supports even operation of the braking system and facilitates later diagnosis of potential faults.
Operation, Service, and Part Selection
When selecting a vacuum sensor for a specific Mercedes model, it is important to pay attention to compatibility with the braking system and the vehicle’s equipment configuration. It may be helpful to compare the implemented solutions with other system components, such as the brake booster or force correctors, to maintain consistency of the entire system.
Additional tips on selecting and servicing components in vehicles with advanced powertrain and safety systems can be found in the article comparing AWD systems, typical parts, and their service maintenance, which helps to better understand the dependencies between individual components in modern Mercedes designs.
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