Mercedes W168 Bulb Holder Light Lamp Socket Rear Left Right N/O/S A1688200277

Mercedes W168 Bulb Holder Light Lamp Socket Rear Left Right is an original lighting system component designed to support the rear lamp in the Mercedes A-Class W168 model. It enables secure bulb seating, a stable connection to the electrical harness, and the maintenance of correct lighting parameters, which translates into safe and clear signaling on the road. This is a practical solution for users who want to restore full functionality to their rear lighting without the costly replacement of the entire lamp unit.

Specifications and technical data

• SKU: A1688200277
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1688200277
• Substitutable numbers: A1688200277, A 168 820 02 77, BG
• 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 rear lighting system, responsible for the mechanical stabilization of bulbs and their electrical connection to the vehicle's installation. It has been designed specifically for use in the Mercedes W168 rear lamp, which ensures proper fitment to the housing and correct routing of electrical paths.

Thanks to its dedicated design, the socket works with the factory lamp, minimizing the risk of looseness, contact overheating, or unstable lighting. This is particularly important for position lights, brake lights, turn signals, or fog lights, where repeatable and predictable operation is required.

Vehicle placement and mounting compatibility

The socket is intended for installation in the rear of the vehicle, with the possibility of use on both the left and right sides. Such a configuration facilitates servicing – one type of component can handle both sides of the body, which is beneficial for repairs and limits the number of part variants in the vehicle.

The arrangement of the contacts and the shape of the body are adapted to the factory lamp, which allows for installation in a manner similar to plug-and-play. In practice, this means that after fitting it to a specific lamp, it is possible to quickly restore lighting functionality without additional modifications to the installation.

Performance characteristics and advantages of the solution

As an element from the LED Lamps and Lights group, the bulb holder plays a key role in ensuring a stable power supply for light sources. Properly designed contacts reduce voltage drops and the risk of arcing, which affects the lifespan of the bulbs and the comfort of vehicle operation.

• Dedicated to the Mercedes W168 rear lamp – structural compatibility with the housing is maintained.
• Can be used on both the left and right sides – simplified parts logistics.
• Stable current conduction – reduction of problems with flickering or light failure.
• A service solution that allows avoiding the replacement of the entire lamp when only the socket is damaged.

Thanks to these features, the socket represents a functional and economical alternative to a complete replacement of the lighting assembly, especially in the case of local contact damage or overheating of the housing.

Condition of the component and service application

The offered component is in used condition, which makes it an attractive solution for users looking for parts with a favorable price-to-functionality ratio. Such elements are often chosen for maintenance repairs when the priority is to restore full lighting system efficiency while maintaining reasonable service costs.

In practice, the socket will work well both when replacing a damaged housing after an electrical failure and when reconstructing the installation after a rear-end collision. A correctly selected component allows for the preservation of the factory geometry of the lamp and the proper operation of all lighting functions.

Lighting system expansion and additional materials

If you are planning a comprehensive repair or modernization of the rear lighting zone in your Mercedes and need other elements from the same group, such as lamp inserts, control modules, or additional housings, check the available parts in the Mercedes LED Lamps and Lights category.

For users interested in deepening their knowledge on the selection and replacement of lighting elements, including LED and Xenon solutions, the following article will be helpful: Seeing more and better – a complete guide to selecting and replacing used LED and Xenon headlights. It allows for a better understanding of the relationship between lighting quality and driving safety, and facilitates the informed selection of components within the entire lighting system.