Mercedes Vito W639 Rear Right Lamp O/S Bulb Socket Holder A0008201177

Mercedes Vito W639 Rear Right Lamp O/S Bulb Socket Holder is a precisely engineered rear lighting system component, responsible for the stable seating of bulb inserts in the right-hand lamp. Thanks to its factory-spec geometry, it ensures reliable light signal transmission and the correct operation of brake light and tail light functions. This is a practical solution for users who want to restore the lighting efficiency of their vehicle in a technically correct manner.

Specifications and technical data

• SKU: A0008201177
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0008201177
• Substitutable numbers: A0008201177, A 000 820 11 77
• Location on the vehicle: Rear, Right
• Category: Centre & Third Brake Light Assemblies

Purpose and function of the component

The described bulb socket holder is dedicated to the rear right lamp of the Mercedes Vito W639 model and belongs to the Main and center brake lights category. It is responsible for the mechanical retention of bulb inserts and their correct positioning relative to the reflector and lens, which translates into clear, regulation-compliant light distribution.

A properly selected holder eliminates common issues such as loose bulbs, unstable connections, or localized overheating of contacts. This is particularly important in heavily used vehicles, where the lighting system operates under varying temperature conditions and frequent vibrations.

Construction and vehicle fitment

The holder has been designed with a specific vehicle location in mind – rear, right side. As a result, its shape, socket layout, and mounting points are perfectly matched to the construction of the rear lamp in the Mercedes Vito W639. Installation is carried out in place of the factory component, without the need for modifications or adaptations.

The layout of the bulb sockets is optimized for the lamp's functions: position lights, brake lights, and any additional light signals are routed in an orderly manner, which facilitates maintenance and bulb replacement. Stable mounting reduces the risk of bulb vibrations, which could otherwise shorten their service life.

Benefits of using an original holder

Using the correct bulb socket holder in the rear right lamp provides a number of practical benefits:

• maintaining the correct geometry of brake and position light illumination,
• secure seating of bulb inserts and reduction of operational play,
• orderly routing of lighting circuits within the lamp,
• easier diagnostics of potential rear lighting faults.

The component comes from the Mercedes range, which helps maintain the structural and visual consistency of the vehicle. For the user, this means predictable lighting system behavior and compliance with the manufacturer's original specifications.

Condition characteristics and service application

The bulb socket holder is offered in used condition, making it an attractive service solution for intensively operated vehicles, where a reasonable balance between repair cost and functionality is important. This type of component works perfectly for:

• repairs following localized damage to the rear lamp,
• resolving issues with intermittent brake or position lights,
• restoring the lighting system's efficiency after contact corrosion or socket overheating.

Replacing the holder is a standard workshop operation, which can also be performed in a garage setting by an experienced user, provided that safety rules are followed when working with the vehicle's electrical installation.

Support in part selection and additional information

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Mercedes and need other components from the same group, such as bulb inserts, lamp modules, or complete light assemblies, check the available parts in the Main and center brake lights Mercedes category.

When making a decision about choosing lighting components, it is worth considering the differences between factory parts, replacements, and aftermarket components. A detailed discussion of costs, quality, and fitment by OEM numbers can be found in the article Original, replacement, or used – which car parts are the most cost-effective?, which may facilitate an informed choice of service solutions for your vehicle.