Mercedes W205 OM626 Diesel Engine Cover Panel Panelling A6260100067

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W205 OM626 Diesel Engine Cover Panel Panelling is an original component from the Tappet and valve covers group, designed for OM626 diesel units. It provides a stable cover for the upper part of the engine, improves protection for sensitive components, and organizes the engine bay, which facilitates maintenance and diagnostics.

Specifications and technical data

• SKU: A6260100067-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6260100067
• Substitutable numbers: A6260100067, A 626 010 00 67
• Fuel type: Diesel
• Category: Rocker & Valve Covers

Purpose and technical function

The cover has been designed specifically for OM626 Diesel engines in the Mercedes W205, where it acts as a shield for the upper part of the timing system, tappets, and valves. It limits the ingress of contaminants into the space above the cylinder head, stabilizes airflow in the engine bay, and helps reduce the operating noise of the power unit.

As a component from the Tappet and valve covers family, this cover supports the maintenance of proper thermal conditions around the cylinder head, which promotes smooth operation of the timing mechanisms and improves the refinement of the diesel engine.

Benefits of using an original cover

Using a factory cover in the OM626 engine ensures compliance with the manufacturer's design and avoids fitment issues. Key advantages include:

• precise fitment with the cylinder head and engine auxiliary components,
• stable mounting, minimizing vibrations and unwanted resonance,
• organized routing of cables and harnesses in the upper part of the unit,
• easier service access after removing the cover.

Thanks to this, the cover provides a practical solution for both standard maintenance and repairs of diesel units in the W205 model.

Product characteristics and condition

The offered cover is a used component, which allows for an economical replacement while maintaining the original manufacturer's specifications. It is a good solution for workshops and users who want to restore the full functionality of the engine cover without investing in a new component.

The product comes from the Mercedes brand, which guarantees structural compatibility with the factory mounting system and proper fitment to the diesel unit. In practice, this translates into efficient installation and no need to modify other elements in the engine bay.

Application in Diesel engines

Diesel engines generate higher thermal and mechanical loads than many gasoline units, which is why a proper upper engine cover is important for long-term, stable operation. The cover helps limit the impact of external contaminants on timing components and supports the maintenance of the proper microclimate around the cylinder head.

In the case of OM626 units in the Mercedes W205, a correctly selected engine cover is also important from the point of view of engine bay aesthetics and acoustic comfort inside the vehicle.

Selection, compatibility, and technical knowledge

When selecting this cover, it is worth paying attention to compatibility with the specific engine version and manufacturer markings, which facilitates part identification and minimizes the risk of installation errors. OEM markings and available interchangeable numbers are listed in the product's technical specification and form the basis for verifying compatibility.

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 covers, seals, or upper unit shields, check the available parts in the Mercedes Tappet and valve covers category.

To better understand the operation of modern diesel units and related emission control systems, it is worth reading the article EGR: what it is and why it is worth considering used EGR valves, which discusses the role of exhaust gas recirculation in internal combustion engines.

If you want to deepen your knowledge on the conscious selection of components from the secondary market and optimally utilize the potential of used parts, the guide Safe purchase of used car parts online – a step-by-step guide, describing practical rules for selecting elements by OEM and reference numbers, will be helpful.