Mercedes W205 W213 Engine Bay Power Rail Cover Cap A2055450600

Mercedes W205 W213 Engine Bay Power Rail Cover Cap is an original component designed for gasoline engine models, which organizes the engine bay space and protects the critical section of the power supply system. Thanks to its factory fit and robust construction, it ensures stable mounting and an aesthetic finish for the area around the power rail. This is a practical solution for users who want to keep their engine bay in an orderly, service-standard condition.

Specifications and technical data

• SKU: RHD-A2055450600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055450600
• Substitutable numbers: A2055450600, A 205 545 06 00
• Fuel type: Petrol
• Category: Other Car Parts & Accessories

Purpose and function in the engine bay

The presented power rail cover is dedicated to the engine bay of Mercedes C-Class W205 and E-Class W213 models with gasoline engines. Its task is to cover a section of the power supply system in the engine bay, which helps to limit the impact of dirt, moisture, and accidental mechanical damage during operation and service work. This component supports:

• organizing wires and components in the engine bay,
• protecting the power rail from accidental contact with tools or clothing,
• maintaining a consistent, factory look of the engine bay.

Construction, fitment, and installation

The cover was designed as an original Mercedes part, which translates into a precise fit to the factory mounting points in the engine bay. The design provides for proper routing and covering of the power rail section so as not to restrict service access to other components. With the correct selection for a specific body version and gasoline engine, installation is straightforward, without the need for modifications. This solution is particularly beneficial when:

• restoring the original completeness of the engine bay after previous repairs,
• replacing missing parts after the removal or damage of the previous cover,
• maintaining a clear layout of wires and components in the power supply zone.

Characteristics of the used component

The offered cover comes from the secondary market, which allows combining original origin with a more favorable purchase cost compared to a new component. A used element of this type is a popular choice for maintenance repairs, where maintaining compliance with the factory design while optimizing the service budget is key. In the case of covers and caps in the engine bay, it is particularly important to maintain the original geometry and mounting method – thanks to this, the element does not generate unwanted vibrations, does not rub against adjacent components, and does not hinder access to service points.

Application in gasoline vehicles

The cover is intended for gasoline-powered vehicles, which is significant from the point of view of the power supply system and the arrangement of components in the engine bay. Gasoline versions differ in the layout of wires and accessories from diesel variants, which is why selecting the correct cover for the specific fuel type is important for proper installation. A properly selected component helps maintain:

• consistency of the power cable routing system,
• predictable operating conditions in the power rail zone,
• an aesthetic, orderly appearance of the engine bay in accordance with the manufacturer's specifications.

Complementary elements and further knowledge

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, caps, or mounts in the engine bay, check out the available parts in the Other Mercedes category. For a better understanding of the structural differences between sports and standard versions of cars, including the impact of engine equipment, braking systems, and chassis on the car's character, it is worth reading the material: Audi RS vs other models – what is hidden under the hood and chassis?. If you are interested in a broader context of choosing used, original components for premium brands, including Mercedes, the article describing current trends in the parts market may be helpful: Crisis in the new parts market? Why in 2026 used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend.