Mercedes W211 CLS W219 Petrol Fuel Regeneration Pump Purge Valve A2114760116

Mercedes W211 CLS W219 Petrol Fuel Regeneration Pump Purge Valve is an original Mercedes component designed for use in petrol fuel systems. Engineered as part of the factory system, it ensures stable fuel flow regulation and supports the proper operation of the entire engine fuel supply circuit.

Specifications and technical data

• SKU: A2114700116
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2114700116
• Substitutable numbers: A2114760116, A 211 476 01 16, A 211 470 01 16, A2114700116
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The fuel system valve in Mercedes W211 and W219 models is responsible for precise control of petrol flow between the pump and the fuel rail, which translates into stable engine operation under various load conditions. A properly functioning component of this type limits pressure fluctuations, supports uniform fuel delivery, and helps maintain the engine's performance at the correct level.

In petrol-powered vehicles, the tightness and correct operating characteristics of the valve are particularly important, as they affect:

• proper engine starting in both cold and warm conditions,
• stable idle speed,
• throttle response,
• overall efficiency of the air-fuel mixture combustion.

Benefits of using an original Mercedes valve

Choosing an original fuel system valve for your Mercedes ensures the maintenance of factory fuel system performance parameters. The component has been designed specifically for the characteristics of this series' petrol engines, providing:

• consistency with factory engine control unit calibration,
• appropriate fuel flow characteristics across the full RPM range,
• compatibility with the existing fuel installation and engine accessories,
• reduced risk of starting issues and rough engine operation.

A used, fully functional OEM component is a sensible solution for users who want to restore the proper operation of the fuel system without the need to invest in expensive replacements with uncertain parameters.

Selection, installation, and diagnostics

Before installing the fuel system valve in a Mercedes, it is recommended to verify compatibility with the specific engine version and fuel system configuration. In workshop practice, selection is based on vehicle data and part numbers, which minimizes the risk of incorrect fitment.

During installation, it is worth paying attention to:

• the condition of fuel lines and quick-connectors,
• cleanliness of the connection ports,
• correct positioning of the component in relation to other accessories,
• checking the system for leaks after starting the engine.

After replacement, it is recommended to perform basic diagnostics of fuel system parameters (pressure, fuel trim corrections, any errors stored in the ECU) to confirm that the valve is working with the installation according to the manufacturer's specifications.

Fuel system, electronics, and sensors – practical knowledge

In modern petrol Mercedes vehicles, such as the W211/W219, the fuel system valve works with an extensive engine management system, including pressure sensors, flow sensors, and the ECU module. For users and workshops that want to better understand the relationships between mechanical components and control electronics, the Global Parts guide will be useful: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. The article discusses, among other things, selection by VIN/OEM, compatibility issues, and practical examples from daily operation.

Expansion and service of the Mercedes fuel supply system

If you are planning a comprehensive repair or upgrade of the fuel supply area in your Mercedes and need other elements from the same group, such as a fuel pump, fuel level sensor, or additional components working with the fuel rail, check the available parts in the Mercedes fuel pumps and level sensors category.