Mercedes W204 W207 W211 W212 Inlet Intake Manifold Flap Control Unit A2721402301

Mercedes W204 W207 W211 W212 Inlet Intake Manifold Flap Control Unit is an original intake control system component designed for installation in the front section of Mercedes vehicles. Precise control of the intake flaps supports proper engine operation, stable torque characteristics, and correct response to load. This used part from the Lines, hoses and pipes category allows for an economical yet technically sound repair of the intake system.

Specifications and technical data

• SKU: A2721402301-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2721402301
• Substitutable numbers: A2721402301, A 272 140 23 01
• Location on the vehicle: Front
• Category: Hoses, Lines & Pipes

Function and role in the intake system

The intake manifold flap control unit is responsible for adjusting the flaps in the intake manifold according to signals from the engine control system. A properly functioning component:

• ensures the correct position of the flaps across various RPM ranges,
• stabilizes airflow in the manifold,
• reduces the risk of power loss resulting from improper intake control,
• supports smooth operation of the power unit across the entire load range.

As a result, the intake system maintains the flow parameters designed by the manufacturer, which translates into predictable vehicle behavior and correct interaction with the control electronics.

Purpose and placement on the vehicle

The presented control unit is intended for installation in the front part of the vehicle, within the engine assembly area, where it works in conjunction with the intake manifold and vacuum system. This solution is typical for Mercedes designs, where intake control elements are integrated with the vacuum line and hose system.

Placement in the front area of the engine compartment facilitates diagnostics as well as removal and installation during service, which shortens repair time and allows for the efficient restoration of full intake system functionality.

Benefits of using an original Mercedes component

Using an original control unit in W204, W207, W211, and W212 series vehicles ensures:

• precise geometric fit to the intake manifold and line system,
• proper interaction with the factory engine control,
• maintenance of factory intake system operating parameters,
• reduced risk of leaks in the vacuum circuit.

Choosing an original component from the Lines, hoses and pipes category is particularly important for systems where control precision has a direct impact on engine refinement and the correctness of adaptation in the engine control unit.

Characteristics of the used component

The offered control unit comes from disassembly and is classified as a used Mercedes brand part. This type of part allows for a technically sound repair while maintaining a favorable cost level, which is particularly important when servicing older generations of premium vehicles.

When choosing a used component, it is worth paying attention to compatibility with the intake system of a specific engine version and the proper operation of the flap control mechanism after installation and adaptation in the vehicle.

Expansion of the intake system and selection of related components

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 flexible vacuum lines, rigid intake pipes, or connecting control hoses, check the available parts in the Mercedes lines, hoses and pipes category.

To better plan your purchases and select a coherent set of original used parts for repairing the intake system and related systems, it is worth checking out our one-stop-shop guide: Comprehensive supply of used car parts.