Mercedes W177 W247 Vacuum Container Sensor Filter Solenoid Valve A0004703800

Mercedes W177 W247 Vacuum Container Sensor Filter Solenoid Valve is a component from the Vacuum pumps group, designed for vacuum systems in Mercedes vehicles. It is responsible for precise vacuum control in auxiliary systems, which translates into stable component operation and predictable vehicle performance.

Specifications and technical data

• SKU: A0004703800
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004703800
• Substitutable numbers: A0004703800, A 000 470 38 00
• Category: Vacuum Pumps

Purpose and function in the vacuum system

The vacuum valve in W177 and W247 models works in direct connection with the vacuum generation system, regulating the flow and distribution of vacuum to the appropriate receivers. A properly functioning component of this type contributes to:

• stable control of vacuum-powered elements,
• correct response of systems supporting engine operation,
• maintaining the proper operating parameters of the entire vacuum system.

Thanks to its fitment for the specific Mercedes platform, the valve works with the factory installation without the need for modifying harnesses or hoses.

Benefits of using an original Mercedes component

Using a vacuum valve from the same family as the factory Mercedes components allows for maintaining the consistency of the system's operating parameters. The original solution ensures:

• compatibility with the factory vacuum system architecture,
• repeatable, predictable operation under typical operating conditions,
• easier diagnostics based on the manufacturer's service documentation.

This is particularly important in modern designs, where the vacuum system interacts with many electronically controlled systems.

Performance characteristics and installation

The element from the Vacuum pumps group is designed to work in the demanding environment of the engine compartment, where it is exposed to temperature changes and vibrations. The valve construction is designed to maintain tightness and operational stability over a long service life.

When replacing, it is crucial to:

• maintain the correct direction of vacuum flow according to the markings on the housing,
• check the condition of vacuum hoses and their tightness,
• properly seat the connectors to avoid leaks or control errors.

Selecting the valve according to the manufacturer's markings facilitates matching to the specific vehicle configuration and minimizes the risk of problems after installation.

Condition and use in vehicle service

The offered vacuum valve is a dismantled part, which allows for economical repair while maintaining the original manufacturer's specifications. This type of part is suitable for both typical maintenance replacement and broader service work related to the vacuum system in a Mercedes W177 or W247.

In practice, installing a used, functional valve is a frequently chosen solution in situations where maintaining factory performance characteristics while optimizing repair costs is a priority.

If you are planning a comprehensive repair or upgrade of the vacuum system area in your Mercedes and need other elements from the same group, such as control valves, vacuum distribution elements, or components working with the vacuum pump, check the available parts in the Mercedes Vacuum pumps category.

Selection by numbers and power supply system diagnostics

When selecting a vacuum valve, it is worth using the manufacturer's markings and service documentation to match the component to the specific engine version and vehicle model year. In case of doubt, comparing parameters with the existing component and verification by numbers in technical catalogs can be helpful.

For a better understanding of the relationship between the vacuum system and engine power supply, as well as methods of diagnostics and part selection by numbers, it is worth reading the article: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. It allows for a better correlation of engine performance symptoms with potential irregularities in the accessories.