Bulb Holder Mercedes SLK R171 W211 Headlight High Beam Cover Cap Hella 15538900

Mercedes SLK R171 W211 Bulb Holder Socket 15538900 is an original bulb holder from the Front Lights group, designed for installation in the front section of Mercedes vehicles. The component ensures stable bulb seating, correct electrical connection, and safe operation of the lighting system on the left or right side.

Specifications and technical data

• SKU: A0018260124
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0018260124
• Substitutable numbers: A0018260124, A 001 826 01 24, 15538900, 155 389-00
• Location on the vehicle: Front, Left, Right
• Category: Headlight Assemblies

Purpose and Technical Function

The bulb holder socket is responsible for the precise positioning of the light source in the headlight, which translates to proper beam distribution and compliance with road lighting requirements. For Mercedes SLK R171 and W211 models, a correctly selected holder is crucial for maintaining the factory performance parameters of the headlights and avoiding electrical system errors.

The component is designed for use in the front of the vehicle, with the possibility of installation on either the left or right side, which simplifies the selection and servicing of the lighting system. The holder's construction allows for secure bulb locking and a stable connection to the headlight wiring harness.

Compatibility and Part Identification

The bulb holder socket is a part from the Mercedes group, meaning it maintains the geometry and mounting standards consistent with the manufacturer's factory solutions. By using the OEM part number and interchangeable numbers (visible in the specifications section), precise verification of compatibility with a specific headlight version and vehicle year is possible.

When selecting the component, it is advisable to compare the markings with the existing holder and service documentation to ensure full mechanical and electrical compatibility. This approach minimizes the risk of misalignment, headlight leaks, or bulb mounting issues.

Vehicle Placement and Mounting Aspects

The holder is intended for installation in the front area of the vehicle, within the headlight assembly, with the option of use on the left or right side. This versatility within the vehicle's axis simplifies service logistics and allows for the use of one type of holder in both headlights, provided the lamp construction is compatible.

During installation, it is recommended to:

• check the condition of the socket in the headlight and seals,
• inspect electrical contacts for oxidation or overheating,
• properly route wiring to avoid stress and abrasion,
• verify correct bulb locking in the new holder.

These actions help maintain stable lighting parameters and reduce the risk of further intervention in the system.

Product Characteristics and Practical Application

The presented bulb holder socket is a component from the Front Lights category, suitable for both standard replacement of a damaged socket and for repairing headlights after a collision. The used nature of the part allows for economical restoration of the lighting system's functionality while maintaining the original mounting structure.

In practice, replacing the holder is recommended in situations where there are problems with light flickering, intermittent bulb power loss, contact overheating, or visible mechanical damage to the socket. Using an original Mercedes group holder minimizes the risk of mounting play and leaks that could lead to headlight fogging.

Lighting System Expansion and Additional Materials

If you are planning a comprehensive repair or upgrade of the front lighting area in your Mercedes and need other parts from the same group, such as additional holders, mounting elements, or headlight components, check the available parts in the Mercedes Front Lights category.

For users preparing their car for the winter season and wanting to consciously approach the inspection of used lighting components and other subassemblies, a guide in the form of an article may be helpful: Winter Essentials: Which Used Car Parts Are Worth Checking and Replacing Before the Frosts?.