Mercedes SLK R171 M272 Petrol Engine Exhaust Manifold Right O/S A2721400409

The Mercedes SLK R171 M272 Right Exhaust Manifold is an original exhaust system component designed for M272 gasoline engines in the SLK R171 model. Thanks to its factory geometry and right-side fit, it ensures proper exhaust gas evacuation, stable engine operation, and correct conditions for further exhaust system components. This is the solution for users seeking a proven Mercedes exhaust manifold instead of random aftermarket alternatives.

Specifications and technical data

• SKU: A2721400409
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2721400409
• Substitutable numbers: A2721400409, A 272 140 04 09
• Location on the vehicle: Right
• Fuel type: Petrol
• Category: Manifolds & Headers

Purpose and Function in the Exhaust System

The presented manifold belongs to the Exhaust Manifolds category and is dedicated to gasoline engines, where it is responsible for collecting exhaust gases from the cylinders and transferring them to the rest of the system. Its placement on the right side of the vehicle means its shape, mounting points, and channel routing are optimized for the specific M272 engine configuration in the Mercedes SLK R171.

A properly selected exhaust manifold allows for:

• maintaining correct backpressure in the exhaust system,
• preserving stable engine operation across the full RPM range,
• reducing the risk of leaks and unwanted noises,
• ensuring proper cooperation with further exhaust system components.

Benefits of Using an Original Mercedes Manifold

Using an original exhaust manifold in a Mercedes with an M272 engine is crucial for both the durability and performance parameters of the powertrain. A component with factory exhaust channel geometry and standard mounting points:

• facilitates installation without structural modifications,
• reduces the risk of stress on bolts and gaskets,
• ensures predictable thermal conditions in the engine bay,
• contributes to maintaining the original performance and refinement of the gasoline engine.

For users who are upgrading or servicing the exhaust system in an SLK R171, choosing such a component is a safe and technically consistent solution compared to random aftermarket alternatives with uncertain geometry.

Installation and Operational Characteristics

The manifold is specifically designed for operation on the right side of the engine, which translates to a fit that matches the factory exhaust system routing and engine bay accessories. The appropriate shaping of the outlets and mounting flanges facilitates proper sealing of connections and maintaining the correct distance from temperature-sensitive components.

In practice, this means that with correct installation, you can achieve:

• a stable connection to the cylinder head and the rest of the system,
• reduced risk of cracks resulting from improper fitment,
• more predictable operating conditions for sensors and other exhaust system components.

Application in M272 Gasoline Engines

M272 gasoline engines used in the Mercedes SLK R171 require a manifold with appropriately selected channel diameters and shape to maintain a balance between exhaust flow and backpressure. The presented component has been developed specifically for this unit, which helps maintain original power and torque parameters, as well as correct engine control system operation.

For users considering replacing a worn or damaged manifold, selecting such a component helps avoid problems with adaptation, control unit errors, or undesirable changes in the gasoline engine's operating characteristics.

Exhaust System Expansion and Additional Resources

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as manifolds, connecting sections, or mounting elements, check the available parts in the Mercedes Exhaust Manifolds category.

For those who want to better understand the impact of the manifold on performance and exhaust system characteristics, we recommend the guide on exhaust system modifications and selection: Performance Exhaust System: Used Manifolds and Sport Catalysts on the Road.

If you are considering the choice between a used original part and an aftermarket alternative, a practical guide explaining the differences and selection criteria may also be helpful: 5 Reasons Why a Used OEM Part is a Better Choice Than an Aftermarket Alternative.