Mercedes W246 W242 Rear Light Lamp Bulb Holder Mount Left N/S A2468201277

Mercedes W246 W242 Rear Light Lamp Bulb Holder Mount Left N/S is an original lighting system component designed for installation in the rear left lamp of Mercedes B-Class W246/W242 generation vehicles. This component ensures stable bulb seating, a proper connection to the electrical system, and the safe operation of the Rear lights and brake lights system, which translates into clear signaling for other road users.

Specifications and technical data

• SKU: A2468201277
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2468201277
• Substitutable numbers: A2468201277, A 246 820 12 77
• Location on the vehicle: Rear, Left
• Part type: Rear Light Assembly
• Category: Rear Light Assemblies

Purpose and function of the bulb holder

The presented bulb holder is dedicated to installation in the rear left lamp of the vehicle, in the area responsible for position lights, brake lights, and turn signals (depending on the specific lamp configuration). As a structural element of the housing, it is responsible for:

• mechanically maintaining the bulbs in the correct operating position,
• ensuring a stable electrical contact with the wiring harness,
• proper positioning of light points within the lamp lens.

Thanks to this, the rear lighting system maintains the correct illumination geometry and compliance with the vehicle's homologation requirements.

Compatibility with Mercedes vehicles

The holder has been designed specifically for the Mercedes W246/W242 platform, which means it fits the factory rear lamp on the left side of the body. The original design ensures:

• compatibility with the factory electrical lamp connector,
• correct positioning relative to the lens and reflectors,
• easy installation in place of a worn or damaged component.

Such a fit reduces the risk of problems with looseness, insufficient contact, or improper light operation during use.

Technical characteristics and installation

As an element from the Rear lights and brake lights group, the bulb holder operates under conditions of exposure to vibrations, temperature changes, and moisture. The design provided by the vehicle manufacturer allows for:

• secure seating in the lamp body without the need for modifications,
• cooperation with the factory wiring harness,
• maintaining the correct order and type of bulbs in the lamp.

Replacing the holder is a standard service operation performed in case of problems with flickering lights, burnt contacts, or mechanical damage to the housing. It is recommended to perform the installation with the power disconnected, while maintaining clean contacts and checking the condition of the lamp itself.

Product condition and benefits of using a used part

The offered bulb holder is a used component, sourced from dismantling, which allows for maintaining factory compliance with the Mercedes system while optimizing repair costs. Choosing an original, used housing instead of a replacement promotes:

• preserving the original quality of electrical connections,
• avoiding problems with shape and mounting fitment,
• maintaining the consistency of the entire rear lighting system.

This is a practical solution for maintenance repairs when only the holder is damaged, while the lamp itself remains in good condition.

Technical support and additional information

Before purchasing, it is worth comparing the shape of the holder and the arrangement of the bulb sockets with the element currently installed in the vehicle to confirm full compatibility. In case of doubt, matching by part number or vehicle VIN is also helpful.

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, lenses, or complete lamp modules, check the available parts in the Mercedes rear lights and brake lights category.

For additional tips on selecting used electrical and electronic components, compatibility rules, and safe installation, you can look at the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.