Mercedes W163 W202 W203 W210 W463 W638 Vacuum Pressure Valve Cable A0005450527

Mercedes W163 W202 W203 W210 W463 W638 Vacuum Pressure Valve Cable is a precision component of the vacuum control system, classified under the Air and fuel intake sensors group. It is responsible for the stable transmission of vacuum signals in the rear part of the vehicle, which translates into predictable operation of related components and correct response of auxiliary systems.

Specifications and technical data

• SKU: A0005450527-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0005450527
• Substitutable numbers: A0005450527, A 000 545 05 27
• Location on the vehicle: Rear
• Category: Air Intake & Fuel Sensors

Purpose and function in the vacuum system

The described vacuum valve with cable is used in selected Mercedes SUV, sedan, and van models, where it acts as an actuator in the vacuum control system. Mounted in the rear part of the body, it works with the vehicle's vacuum installation, ensuring proper force transmission via the cable to the controlled mechanisms.

Stable valve operation is important wherever the vehicle design uses vacuum to operate mechanical elements – from actuators to various types of flaps and auxiliary mechanisms. A properly functioning valve reduces the risk of leaks, vacuum drops, and unpredictable system reactions.

Design and placement on the vehicle

The element has been designed as a compact module integrated with a cable, which facilitates the transfer of movement from the pneumatic part to the controlled mechanism. Placement in the rear zone of the vehicle allows for a direct connection with vacuum lines and rear components, without the need for additional, complex gears.

Such a configuration facilitates easier diagnostics – in case of problems with the vacuum system operation in the rear part of the body, the valve with cable is one of the key inspection points. Thanks to its compact design, disassembly and assembly are possible without interfering with the main structural elements of the body.

Benefits of using an original used component

Choosing a used, original vacuum valve for a Mercedes allows you to maintain the factory operating parameters of the system while optimizing service costs. The original component is designed for a specific vehicle platform, which translates into proper vacuum flow characteristics and fitment to the installation.

For workshops and users, this means:

• reliable fitment to the factory harness and vacuum lines,
• preservation of the system's operating characteristics as intended by the manufacturer,
• reduced risk of compatibility issues compared to universal aftermarket replacements.

Selection by numbers and compatibility

The selection of this type of element should be based on vehicle data and manufacturer markings, which helps avoid problems with improper vacuum system operation. In workshop practice, it is particularly important to check compatibility with the specific body generation and equipment version, as different configurations may use different variants of valves and cables.

To better understand the principles of selecting used modules and sensors, including elements from the Air and fuel intake sensors group, it is worth checking the guide describing selection by VIN, manufacturer numbers, as well as hardware and software compatibility issues – you can find it in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

Support for system expansion in Mercedes vehicles

If you are planning a comprehensive repair or modernization of the engine and fuel system area in your Mercedes and need other elements from the same group, such as vacuum valves, boost pressure sensors, or air temperature sensors, check the available parts in the Mercedes air and fuel intake sensors category.