Mercedes CLK W208 C208 320 3.2 V6 Petrol Intake Manifold 112.940 A1121401201

Mercedes CLK W208 C208 320 3.2 V6 Petrol Intake Manifold is a factory-original intake system component designed for the 3.2 V6 engine from the 112.940 family. Engineered by Mercedes as a precision air distribution module, it ensures stable cylinder supply and supports the proper operation of the petrol-powered engine unit.

Specifications and technical data

• SKU: A1121401101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1121401101
• Substitutable numbers: A1121401101, A 112 140 11 01, A1121401201, A 112 140 12 01, 112940, A1120103200, A 112 010 32 00, 0280611023, 0 280 611 023
• Fuel type: Petrol
• Part type: Intake Manifold
• Category: Intake Manifolds

Purpose and function in the V6 petrol engine

This intake manifold is responsible for the even distribution of air to all cylinders of the V6 petrol engine, which directly impacts engine refinement, performance, and fuel consumption. The design developed for the 3.2 V6 unit from the 112.940 family has been flow-optimized to maintain the correct mixture velocity and stable cylinder filling across the entire rev range.

Thanks to the factory Mercedes design, the manifold works with engine accessories, sensors, and the ECU in a predictable and repeatable manner, which facilitates diagnostics and subsequent vehicle maintenance. This solution is particularly valued when servicing premium segment vehicles, where the consistency of the entire intake system is paramount.

Benefits of using an original intake manifold

Using an original intake manifold in a Mercedes CLK W208/C208 with a 3.2 V6 engine allows you to maintain the factory operating parameters of the engine unit. This component was designed specifically for the characteristics of the petrol engine, ensuring that it:

• maintains the correct air flow distribution between cylinders,
• supports stable idle speed and smooth acceleration,
• reduces the risk of an incorrect air-fuel mixture in individual cylinders,
• facilitates compliance with factory engine control maps.

For users who care about preserving the original operating characteristics of the engine, such a manifold is a safe and predictable service choice, especially when compared to aftermarket replacements with uncertain channel geometry.

Condition, fitment, and installation aspects

The offered intake manifold is a pre-owned component, which allows for an economical repair of the intake system while maintaining the factory design. Before installation, a standard service procedure is recommended: checking the mating surfaces, verifying vacuum ports, and replacing gaskets with new ones, in accordance with the vehicle manufacturer's recommendations.

Because this part is designed specifically for the 3.2 V6 engine in the Mercedes CLK W208/C208, installation is predictable for an experienced mechanic – without the need for modifications or adaptations. It is a plug-in solution within the original engine architecture, which reduces vehicle downtime in the workshop.

Compatibility and interchangeable numbers

The manifold belongs to a group of components for which the manufacturer has provided various catalog and reference numbers, used depending on the model year, market, or minor design modifications. In practice, this means that one physical type of manifold may appear under several designations, which facilitates part selection based on catalog data or the VIN number.

Both the OEM part number and interchangeable numbers are available in the product's technical specification, allowing for quick verification of compatibility with a specific engine configuration. This is particularly important when working with units from the 112.940 family, where differences in accessories may result from equipment versions or the target market.

Mercedes intake manifolds – expansion and intake system service

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as throttle bodies, vacuum lines, or additional intake elements, check the available parts in the Mercedes intake manifolds category.

For users interested in the broader context of intake system operation and its impact on performance, it is worth checking out the guide material regarding modifications and component selection in performance configurations. Practical tips can be found in the article Performance exhaust system: used manifolds and sports catalytic converters on the road, which discusses, among other things, the relationships between intake and exhaust flow and engine characteristics.