Mercedes-Benz S-Class W220 Diesel Exhaust Manifold Bracket Mount A1402421340

Mercedes-Benz S-Class W220 Diesel Exhaust Manifold Bracket Mount is an original exhaust system component, designed specifically for diesel engines of this S-Class generation. It stabilizes the position of the manifold relative to the engine block, which translates into reliable exhaust system support, reduction of thermal stress, and improved durability of connections. This used OEM component is a sensible choice for drivers looking for factory fitment without the need to invest in a new part.

Specifications and technical data

• SKU: A2204921141
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2204921141
• Substitutable numbers: A2204921141, A 220 492 11 41, A1402421340, A 140 242 13 40, AS
• Fuel type: Diesel
• Category: Manifolds & Headers

Purpose and function in the exhaust system

The exhaust manifold bracket for the Mercedes S-Class W220 with a diesel engine is responsible for rigid yet controlled support of the manifold relative to the power unit. As a result:

• the risk of manifold cracks caused by vibrations and temperature changes is reduced,
• fastening bolts and gaskets between the manifold and the cylinder head are relieved,
• the exhaust system operates more stably, which helps maintain exhaust gas tightness.

In the case of diesel engines, where exhaust pressures and temperatures are higher than in gasoline units, a functional manifold bracket is of significant importance for the reliability of the entire system.

Compatibility with diesel engines

The presented element has been developed for diesel units in the Mercedes S-Class W220 generation. This means that its geometry, mounting points, and operating characteristics are adapted to the loads typical for diesel engines, including:

• higher torsional vibrations generated by the power unit,
• greater temperature fluctuations in the manifold area,
• the need to maintain a stable position of the manifold relative to the turbocharger and the rest of the exhaust system.

Thanks to this, installation proceeds in a predictable manner, and fitting to factory mounting points does not require any modifications or adaptations.

Characteristics of the used component

As a used part, the exhaust manifold bracket retains its original geometry and hole spacing, which is crucial for correct installation in the Mercedes S-Class W220. This type of structural element does not contain moving parts or consumables, which is why, with proper use, it can be reused without loss of functionality. In practice, this means a beneficial combination of factory build quality and an attractive purchase price.

Why it is worth using an original manifold bracket

Choosing an original exhaust manifold bracket for the Mercedes S-Class W220 has several practical advantages:

• ensures the preservation of the factory exhaust system geometry,
• minimizes the risk of leaks at manifold connections,
• limits the transmission of vibrations to other system components,
• facilitates installation thanks to compatibility with factory mounting points.

For workshops and private users, this means shorter installation time and a lower risk of operational problems after repair. The bracket is particularly recommended when replacing the exhaust manifold, regenerating the turbocharger, or performing comprehensive exhaust system maintenance in a diesel engine.

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 additional brackets, mounts, or exhaust system support elements, check the available parts in the Mercedes Exhaust Manifolds category.

Technical support and knowledge about the exhaust system

For users who want to better understand the impact of the manifold and its mounts on engine operation and performance, we have prepared a guide. You will learn how to choose used exhaust system components, what to look for during inspection, and when regeneration makes sense. Details can be found in the article Performance exhaust system: used manifolds and sports catalytic converters on the road.

If you have doubts regarding the choice of a used structural element for your Mercedes or want to verify whether the exhaust manifold bracket will be the right solution in terms of durability and cost-effectiveness of the repair, you will also find helpful information in the guide Used car parts: Myths and facts you need to know.