Mercedes ML W164 W221 63 AMG Petrol Engine Exhaust Manifold Left N/S A1561400309

The Mercedes SLK R171 M272 Left Exhaust Manifold is an original exhaust system component designed for the petrol engines of this series. Thanks to its factory geometry and precise fit for the M272 unit, it ensures stable exhaust gas evacuation from the left side of the engine, supporting the proper operation of the powertrain. This is a solution for users seeking a component compliant with factory specifications and aiming to maintain the original performance parameters of the exhaust system.

Specifications and technical data

• SKU: A1561400309
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1561400309
• Substitutable numbers: A1561400309, A 156 140 03 09
• Location on the vehicle: Left
• 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 Mercedes models with the M272 petrol engine, including the SLK R171 body style. It is responsible for collecting exhaust gases from the cylinders on the left side of the engine and directing them further to other exhaust system components. A correctly selected manifold influences:

• stable exhaust gas evacuation from the combustion chamber,
• maintaining proper flow throughout the system,
• reducing unwanted vibrations and thermal stresses in the engine area,
• preserving the original operating characteristics of the M272 unit.

Construction and Fit for Mercedes SLK R171

The manifold is designed as a component to be mounted on the left side of the vehicle, with geometry adapted to the engine bay of the Mercedes SLK R171 and other models using the same engine architecture. The design, as intended by the vehicle manufacturer, allows for:

• secure mounting to the engine cylinder head and other system components,
• maintaining appropriate clearance from bodywork and ancillary parts,
• operation within the typical temperature and load ranges for the M272 engine.

This allows the manifold to be used as a direct replacement for the factory component in petrol-powered vehicles, without the need for structural modifications.

Operational Characteristics and Application

As a used component, the exhaust manifold retains its functionality for further operation, while reducing repair costs compared to new components. It is particularly suitable for situations where:

• replacement of a damaged or cracked left-side engine manifold is necessary,
• exhaust system leaks occur in the area near the cylinder head,
• maintaining the original exhaust system specification for the Mercedes SLK R171 is important.

Selecting the correct manifold for a specific engine version is crucial for maintaining proper engine operation and avoiding installation issues.

Assistance with Selection and Exhaust System Expansion

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

To better understand the impact of the manifold on exhaust flow, performance, and acoustics, it is worth familiarizing yourself with practical tips regarding the selection and operation of exhaust system components – a detailed discussion can be found in the article Performance Exhaust Systems: Used Manifolds and Sport Catalysts on the Road.

Summary

The Mercedes SLK R171 M272 Left Exhaust Manifold is a solution for users who want to restore the functionality of the left-side exhaust system in a petrol engine, while adhering to the original design specifications. Its precise fit for the M272 unit and its intended mounting area in the vehicle allow for a technically correct repair and continued, predictable vehicle operation.