Mercedes-Benz E W211 Rear Left Lamp N/S Light Bulb Socket Holder A2118200177

Mercedes-Benz E W211 Rear Left Lamp N/S Light Bulb Socket Holder is a practical lighting system component designed for installation in the rear left lamp. It is responsible for the stable seating of bulbs, proper electrical contact, and the safe operation of the brake light and rear lighting in your Mercedes. This solution allows you to restore the full functionality of the lamp without the need to replace the entire assembly.

Specifications and technical data

• SKU: A2118200177
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118200177
• Substitutable numbers: A2118200177, A 211 820 01 77, BG
• Location on the vehicle: Rear, Left
• Category: Centre & Third Brake Light Assemblies

Purpose and function in the lighting system

The offered bulb holder is designed specifically for the rear left lamp in the Mercedes E-Class W211 generation. Its task is to ensure the correct positioning of the bulbs and a secure connection to the electrical harness, which translates into clear, uniform illumination of the brake light and other lamp functions.

The placement in the rear left zone allows for precise fitting to the lamp structure, without the need for modifications or adaptations. As a result, this component works well for post-collision repairs, replacing a damaged socket, or addressing issues with intermittent lighting.

Construction and compatibility with Mercedes-Benz E W211

The bulb holder is structurally adapted to the geometry of the rear lamp in the Mercedes E W211, which facilitates installation and ensures proper routing of electrical paths. The applied contact layout allows for a stable connection with the vehicle's electrical system, minimizing the risk of looseness and contact overheating.

This element is part of the Main and center brake lights group, which means it is responsible for the vehicle's key signaling functions – especially for clearly informing other road users about braking. A properly functioning bulb holder contributes to safety and compliance with lighting regulations.

Condition, service application, and benefits of installation

The product is sourced from dismantling, making it an attractive service solution for users looking for original components at a reasonable price. A used bulb holder allows for maintaining the factory character of the lighting system without the need to use replacements with uncertain fitment.

Replacing a damaged bulb socket with a functional component of this type is particularly beneficial when symptoms occur such as:

• flickering or intermittent loss of the brake light on the left side,
• rear lighting error messages on the instrument cluster,
• signs of overheating or corrosion around the bulb contacts.

Selecting the correct bulb holder for a specific vehicle model is facilitated by the manufacturer's markings and assignment to the appropriate rear lamp, which reduces the risk of errors during purchase.

Integration with other Mercedes lighting components

The bulb holder works with the rear lamp, electrical harness, and vehicle lighting control system. A correctly selected and installed component ensures stable operation of the entire rear lighting assembly, including the brake light, position light, and any additional functions provided in the specific lamp configuration.

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

Summary of practical application

Mercedes-Benz E W211 Rear Left Lamp N/S Light Bulb Socket Holder is a functional service component that allows you to restore full efficiency to the rear lighting on the driver's side. Thanks to its fitment to the specific model and its classification in the Main and center brake lights group, it serves as a practical solution for lighting system repairs, improving vehicle safety and comfort.