Mercedes W166 Front Bumper Fog Daytime Light Left N/S Lamp LED DRL A2049065401

Mercedes W166 Front Bumper Fog Daytime Light Left N/S Lamp LED DRL is an original lighting component designed for the front left side of the vehicle body, ensuring clear visibility of the vehicle during the day. Thanks to LED technology, the lamp generates uniform, bright daytime running light, improving safety and the vehicle's visibility on the road. This solution is particularly beneficial for drivers who expect consistent fitment with the factory Mercedes lighting system without compromising on quality.

Specifications and technical data

• SKU: A2049065401
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049065401
• Substitutable numbers: A2049065401, A 204 906 54 01
• Location on the vehicle: Front, Left
• Category: Daytime Running Lights

Purpose and function in the vehicle

The presented lamp belongs to the Daytime Running Lights category and has been specifically designed for installation in the front left side of Mercedes W166 series models. Its placement in the bumper or headlight area (depending on the specific body version) ensures that this component is responsible for constant signaling of the vehicle's presence in daytime traffic, in accordance with current regulations.

LED technology in this type of lamp is characterized by:

• a stable light beam with high readability for other road users,
• short response time after ignition,
• lower energy consumption compared to traditional bulbs.

Benefits of using an original LED DRL lamp

Using an original LED daytime running lamp in a Mercedes W166 allows you to maintain the factory lighting characteristics and a consistent look for the front of the vehicle. This component is structurally matched to the shape of the bumper and headlight housing, which translates into:

• precise fitment with factory mounts without the need for modifications,
• correct orientation of the daytime running light beam,
• preservation of the original stylistic line characteristic of premium Mercedes models.

For the user, this means not only improved safety but also maintaining aesthetics consistent with the manufacturer's design, which is important for the vehicle's future resale value.

Technical characteristics and installation

The LED DRL lamp intended for the front left side of the vehicle works with the factory electrical system of the Mercedes W166, which facilitates integration with the existing installation. The design intended for a specific mounting location reduces the risk of installation errors and minimizes the time required to replace a damaged component.

In practice, installation usually comes down to:

• removing the damaged lamp from the factory brackets,
• connecting the electrical wiring connector to the new component,
• seating the lamp in the intended mounting points and checking for proper operation.

This type of solution is particularly beneficial for workshops and users expecting a quick, repeatable service procedure.

Product condition and practical application

The offered LED daytime running lamp is an aftermarket component, which allows for optimizing repair costs while maintaining the manufacturer's original specifications. For Mercedes W166 owners, this is a reasonable choice in the event of damage to the factory lighting, e.g., as a result of a collision, stone impact, or corrosion of the mounts.

Replacing a daytime running lamp with an original component from the same product group allows you to:

• maintain consistent lighting parameters on both sides of the vehicle,
• ensure compatibility with factory lighting control systems,
• avoid issues with error messages in the onboard system.

Expanding lighting and interior upgrades

If you are planning a comprehensive repair or upgrade of the front lighting area in your Mercedes and need other components from the same group, such as additional LED modules, lamps for the opposite side, or related mounting elements, check out the available parts in the Mercedes Daytime Running Lights category.

While working on lighting, many users also decide to refresh the vehicle's cabin. If you are considering improving the ergonomics and appearance of the interior using aftermarket components, such as seats or steering wheels, it is worth reading the guide Tuning your car interior with Global Parts, which discusses practical modernization possibilities using premium used elements.

For drivers interested in a broader context of using used parts for premium brands, including Mercedes, the article Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026, describing the advantages of consciously choosing second-hand OEM components, may also be helpful.