Mercedes R171 Headlight Head Lamp Front Right O/S A1718202261

Visual condition of the part

The product shows signs of use visible in the photos.

Headlight ballast, control units, bulbs, modules are not included in the sale.

Mercedes R171 Headlight Head Lamp Front Right O/S is an original main headlight designed for installation on the passenger side. As an item from the Front lights category, it ensures proper road illumination, correct light distribution, and compliance with factory body geometry. Using this OEM component allows for a technically correct repair of the lighting system without the need for unreliable aftermarket replacements.

Specifications and technical data

• SKU: RHD-A1718202261-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1718202261
• Substitutable numbers: A1718202261, A 171 820 22 61
• Location on the vehicle: Front, Right
• Part type: Headlight Assembly
• Category: Headlight Assemblies

Purpose and fitment

The headlight is designed specifically for Mercedes R171 series models and is mounted in the front area on the right side of the vehicle. Thanks to its factory design, the proper body line is maintained, as well as compatibility with the mounts, electrical installation, and headlight leveling system intended for this model.

The placement on the vehicle in the front-right area means that the lamp acts as the main light source on the passenger side, responsible for both low and high beams (depending on the specific vehicle configuration). It is a key active safety element, affecting driver visibility and the vehicle's visibility to other road users.

Construction and technical function

The original headlight construction ensures precise light beam guidance, which translates into a stable cut-off line and reduced glare for oncoming drivers. The optics and reflectors used are adapted to factory specifications, allowing the lamp to work correctly with the adjustment system and meet the homologation requirements for this model.

The headlight housing is prepared for road conditions – appropriate seals and ventilation channels are provided to help reduce internal fogging and protect the inside of the lamp from contaminants. As a result, the optical system can maintain stable lighting parameters with proper installation and operation.

Condition, origin, and advantages of using a used part

The offered headlight is a used component, which allows for an economical vehicle repair while maintaining original manufacturing quality. Unlike cheap replacements, the factory lamp maintains proper fitment with the fender, bumper, and hood, which facilitates installation and reduces the need for additional body adjustments.

Choosing an original used headlight from the Front lights category is a beneficial solution both technically and visually – the stylistic consistency of the car's front is preserved, and lighting parameters remain in line with the manufacturer's assumptions. This is particularly important for premium vehicles, where precision and component fitment have a direct impact on user comfort.

Practical benefits of installation

Using this headlight on the front right side of the vehicle allows for:

• restoring full lighting functionality after a collision or mechanical damage,
• maintaining the factory appearance of the front body section,
• preserving correct light beam geometry and compliance with regulations,
• reducing repair costs by using an original used part.

For workshops and individual users, this means shorter installation time, lower risk of fitment issues, and stable lighting system performance in daily operation.

Lighting system expansion and additional information

If you are planning a comprehensive repair or upgrade of the front lighting area in your Mercedes and need other elements from the same group, such as lenses, adjustment modules, or additional lamps, check the available parts in the Mercedes Front lights category.

If you want to better plan your purchases and learn how to effectively source original used components – from headlights to small mounting elements – it is worth reading our guide: Comprehensive sourcing: from the engine to the smallest clip – how to collect used car parts in one place?