Mercedes W207 W212 Engine Cover OM642 Trim Panel Housing A6420103567

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W207 W212 Engine Cover OM642 Trim Panel Housing is an original engine compartment component designed for OM642 diesel engines in E-Class and E-Class Coupé models. The cover serves both aesthetic and practical functions – it organizes the engine bay, reduces noise, and protects critical components from contamination. Thanks to its factory-fit design, it is a reliable solution for repairs and completing diesel engine equipment.

Specifications and technical data

• SKU: A6420103567
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420103567
• Substitutable numbers: A6420103567, A 642 010 35 67
• Fuel type: Diesel
• Part type: Valve Cover
• Category: Rocker & Valve Covers

Purpose and function of the OM642 engine cover

The presented cover is a component from the Tappet and valve covers group, designed specifically for diesel engines from the OM642 family. Its purpose is to:

• organize the space above the cylinder head and engine accessories,
• reduce the transmission of engine operating noise into the cabin,
• provide additional protection for the upper engine components against dust and minor debris,
• ensure stable mounting at factory attachment points.

Thanks to its design tailored to a specific engine type, the cover works in harmony with the intake system and accessory installation, without interfering with hoses or service components.

Benefits of using an original Mercedes cover

Using an original engine cover in Mercedes vehicles with the OM642 unit helps maintain the technical and visual consistency of the engine bay. Key advantages include:

• Factory fit – proper geometry and mounting spacing facilitate installation and ensure stable seating on the engine.
• Appropriate structural rigidity – the cover does not transmit excessive vibrations and does not cause unwanted resonance during diesel operation.
• Aesthetic engine bay appearance – an organized layout of accessories facilitates inspections and service work.
• Compatibility with factory covers and adjacent components – no need for modifications or adjustments.

Characteristics of the used component

The engine cover comes from the secondary market, meaning it is a used part that retains the functionality intended by the manufacturer. This type of component is particularly attractive for maintenance repairs when the priority is technical compliance with the original at a reasonable cost. A used cover allows you to restore the complete housing of the upper engine area without the need to invest in a new part.

If you want to better understand how to wisely choose components from the secondary market and what to look for when purchasing, the guide on choosing used parts in an automotive store, which describes practical criteria for evaluating such components, will be helpful.

Application in diesel engines and related systems

OM642 diesel engines use extensive accessories, including turbocharging, fuel supply, and emission control systems. The engine cover works with these solutions, ensuring:

• proper airflow management in the engine bay,
• easier identification of sub-assemblies during diagnostics,
• protection of the upper timing and valve components against accidental mechanical damage.

In modern diesel units, the exhaust gas recirculation system also plays an important role. If you want to expand your knowledge about this system and make informed decisions regarding diesel engine operation, read the article EGR: what it is and why it is worth considering used EGR valves, which discusses the operating principles and practical aspects of selecting components.

Complementary Mercedes Tappet and valve covers

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 panels, upper cylinder head covers, or housings for adjacent sub-assemblies, check the available parts in the Mercedes Tappet and valve covers category.

Summary

Mercedes W207 W212 Engine Cover OM642 Trim Panel Housing is a practical choice when completing the engine bay in diesel-powered cars. The original design ensures a proper fit, stable mounting, and an aesthetic engine bay appearance, while also keeping service costs at a reasonable level through the use of a pre-owned part. For owners of models with the OM642 unit, this is a functional solution that supports both daily operation and future service work.