Mercedes SLK350 R171 M272 Petrol Inlet Intake Manifold A2721402401

Mercedes SLK350 R171 M272 Petrol Inlet Intake Manifold is a factory-original component of the petrol engine intake system, designed for installation in the front part of the engine bay. It is responsible for the precise distribution of the air mixture to the cylinders, which directly impacts the stable operation of the power unit, engine smoothness, and throttle response. Using a pre-owned manifold from the original Mercedes production line is a solution that allows you to maintain performance parameters consistent with the manufacturer's specifications without the need to invest in a new part.

Specifications and technical data

• SKU: A2721402401-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2721402401
• Substitutable numbers: A2721402401, A 272 140 24 01
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Intake Manifolds

Function and role of the intake manifold in the Mercedes SLK350

The intake manifold in the M272 engine is responsible for the even distribution of air to all cylinders, which is crucial for proper combustion in a petrol unit. A properly functioning component ensures:

• stable idle speed,
• smooth acceleration across the entire rev range,
• correct interaction with the engine management system,
• maintenance of factory performance and torque characteristics.

In the case of leaks, mechanical damage, or wear of the manifold's moving parts, issues such as power loss, fluctuating idle, or error codes stored in the engine control unit may occur. Replacing it with a functional, original manifold from the same production series is a technically sound solution in such cases.

Construction and compatibility with the M272 unit

The presented intake manifold has been designed specifically for the architecture of the M272 engine in the Mercedes SLK350 R171 model, taking into account its placement in the front of the engine bay. This means:

• preservation of the factory geometry of the intake runners,
• correct positioning relative to the cylinder heads and throttle body,
• compatibility with the accessories intended for this power unit,
• possibility of installation in place of the factory component without interfering with the engine structure.

As a result, the manifold serves as a plug-in solution within the given engine configuration, which facilitates service work and reduces the risk of fitment issues.

Benefits of using an original intake manifold

Using an original intake manifold in the Mercedes SLK350 R171 brings a number of practical service and operational benefits:

• Factory fitment – preservation of the original intake geometry and mounting points, with no modifications required.
• Consistency with the control system – the manifold, designed for a specific petrol engine, works seamlessly with factory ECU maps.
• Reduced risk of installation errors – no need for adaptation or modification of the accessory installation.
• Economical repair – an OEM pre-owned component allows you to restore proper engine operation at a reasonable cost.

For workshops specializing in the Mercedes brand and users who care about maintaining the vehicle's original specifications, this is a solution that is technically consistent with the manufacturer's requirements.

Purpose, installation, and application in the petrol system

The intake manifold is designed for use in a petrol engine intake system, where precise air metering and maintaining the integrity of the entire intake path are critical. When replacing, it is worth paying attention to:

• the condition of the seals between the manifold and the cylinder heads,
• the cleanliness of the mating surfaces,
• proper bolt tightening according to the service procedure,
• checking the connections of vacuum lines and associated accessories.

Professional installation allows you to fully utilize the potential of the manifold and minimize the risk of leaks that could affect the air-fuel mixture and engine performance.

Expansion of the intake system and additional materials

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 additional manifolds, intake duct elements, or air filter housings, check out the available parts in the Mercedes intake manifolds category.

For users interested in a broader perspective on the impact of gas flow components on vehicle performance, including the selection of pre-owned manifolds in cars of various makes, the following guide article may be helpful: Performance exhaust systems: pre-owned manifolds and sports catalytic converters on the road. It allows for a better understanding of the relationships between the intake and exhaust systems and engine operating characteristics.