Mercedes CL203 Bulb Holder Light Lamp Socket Rear Left Right A2038201077

Mercedes CL203 Bulb Holder Light Lamp Socket Rear Left Right is an original rear lighting system component designed for installation on either the left or right side of the vehicle. Thanks to its factory-spec design, it ensures secure bulb seating, a stable electrical connection, and reliable operation of the rear lights. This is a practical solution for users looking to restore full lighting functionality in their Mercedes without the need for costly modifications.

Specifications and technical data

• SKU: A2038201077
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2038201077
• Substitutable numbers: A2038201077, A 203 820 10 77
• Location on the vehicle: Rear, Right, Left
• Category: Light Bulbs & LEDs

Purpose and function of the bulb holder

The presented socket is a component of the LED lamps and lights system in Mercedes CL203 models and is responsible for securely mounting bulbs in the rear lamp. Designed to work on both the left and right sides, it allows for flexible use during repairs or the replacement of damaged components. A correctly selected socket minimizes the risk of flickering lights, overheating contacts, and issues with error messages in the electrical system.

Construction and fitment for the rear installation

The bulb holder has been designed for the specific geometry of the rear lamp in the Mercedes CL203, which translates into a precise fit with the housing and the wiring harness. Properly shaped contact sockets ensure stable contact with the bulb bases, and the mounting system allows for quick installation and removal during service. As a result, the component works well with the factory installation, maintaining the rear light distribution intended by the manufacturer.

Vehicle placement and service application

The element is intended for installation in the rear part of the vehicle, with the possibility of use on either the right or left side, which simplifies logistics during repairs and reduces the number of different references needed in the workshop. This solution is beneficial for both individual users and service centers that want to maintain the proper functioning of Mercedes vehicle lighting in a repeatable manner consistent with the manufacturer's specifications.

Characteristics of the used product

The socket comes from disassembly, which means it is a used part that retains the functionality required for further operation. In practice, this allows for an economical repair of the lighting system while maintaining the original assembly specifications. Choosing such a solution is often advantageous for older models, where both technical compatibility and reasonable service costs are important.

Benefits of using an original socket

Using an original bulb holder in the rear lamp translates into:

• maintaining the factory light layout and correct light beam geometry,
• a stable electrical connection reducing the risk of overheating contacts,
• easier diagnostics of potential faults in the future,
• no need to modify the installation or use adapters.

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Mercedes and need other elements from the same group, such as housings, modules, or complete lamps, check out the available parts in the Mercedes LED lamps and lights category.

Technical support and lighting selection

When working with lighting, it is worth paying attention to the selection of components, the method of installation, and the impact on driving safety. For users who want to deepen their knowledge on choosing and replacing lighting elements, the following guide will be helpful: See more and better – a complete guide to selecting and replacing used LED and Xenon headlights. You will find practical tips there regarding working with original lighting components, which will facilitate making informed service decisions.