Mercedes W169 W245 M266 Engine Intake Manifold Regeneration Valve A1694700293

Mercedes W169 W245 M266 Engine Intake Manifold Regeneration Valve is a component from the Valves category, designed for the vacuum system in M266 engines used in the Mercedes A-Class W169. The offered component comes from disassembly, which allows for an economical yet technically correct replacement of the factory valve in a vehicle of this series.

Specifications and technical data

• SKU: A1694700293
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1694700293
• Substitutable numbers: A1694700293, A 169 470 02 93, 0280142438, 0 280 142 438
• Category: Valves

Purpose and function of the vacuum valve

The vacuum valve in the M266 engine is responsible for precise control of vacuum flow in selected engine accessory circuits. A properly functioning component helps maintain stable engine operation, correct response to load, and proper operation of cooperating vacuum-controlled subassemblies.

In the case of symptoms such as unstable idle, loss of dynamics, or errors related to the vacuum system, replacing the valve with a functional unit is one of the basic diagnostic and repair steps.

Benefits of using an original Mercedes valve

Using a valve dedicated to the Mercedes W169 with the M266 engine ensures:

• maintenance of factory vacuum system operating parameters,
• proper cooperation with engine electronics and control systems,
• proper fit of connections and mounts without the need for modifications,
• reduction of the risk of leaks and errors resulting from mismatched replacements.

Thanks to this, you maintain the integrity of the powertrain and minimize the risk of secondary faults resulting from incorrect vacuum control.

Characteristics of the used component

The offered valve comes from the disassembly of a Mercedes vehicle, which allows for maintaining a favorable cost-to-functionality ratio. A used OEM component is often chosen as a service solution in situations where quick availability and compliance with factory specifications are important, while simultaneously limiting repair costs.

In workshop practice, such components are readily used for routine repairs, comparative diagnostics, and as a replacement element in intensively operated vehicles, where technical efficiency and predictable system behavior are key.

Selection and integration with the vehicle system

To properly select a vacuum valve for the Mercedes W169 with the M266 engine, compatibility with the manufacturer's markings and the list of interchangeable numbers is verified – this information can be found in the technical specifications section. This gives the mechanic or user confidence that the component will work with the existing vacuum installation and engine control without the need for adaptation.

During installation, it is recommended to check the condition of vacuum hoses, connectors, and mounting points to fully utilize the potential of a functional valve and avoid leaks in the system.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as control valves, solenoid valves, or regulating valves, check the available parts in the Mercedes Valves category.

Support in selection and repair cost optimization

Choosing a used OEM component, such as the vacuum valve for the Mercedes W169 with the M266 engine, often allows for significantly shortening vehicle downtime and limiting service expenses. If you want to better understand how the availability of such components affects actual repair time and budget, it is worth reading the article: Availability of car parts off-the-shelf vs. repair time – how do used OEM parts shorten workshop stays?.