Mercedes W251 Headlight Headlamp Washer Spray Nozzle Jet Right O/S A2518600647

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W251 Headlight Headlamp Washer Spray Nozzle Jet Right O/S is an original headlight washing system component designed for installation on the right side of the vehicle. It ensures precise fluid delivery to the headlight lens, supporting effective lighting performance in difficult weather conditions. Thanks to its factory origin from the Mercedes brand, the correct spray geometry and fitment to the bumper and headlight are maintained.

Specifications and technical data

• SKU: A2518600647
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2518600647
• Substitutable numbers: A2518600647, A 251 860 06 47
• Location on the vehicle: Right
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function of the headlight washer nozzle

The right-side headlight washer nozzle is responsible for the directional distribution of fluid on the lamp surface, which reduces the accumulation of dirt, salt, and mud. A properly functioning washer helps maintain the correct brightness of the light beam, which is important for both comfort and driving safety at night, as well as in rain or snow.

The component belongs to the Washer fluid reservoirs, pumps, and nozzles group, which are sub-assemblies responsible for storing, pumping, and applying fluid to the windshield and headlights. Using an original nozzle allows you to maintain the correct operating pressure in the system and the proper spray angle, without the need for any system modifications.

Construction, installation, and fitment for Mercedes W251

The presented nozzle has been designed specifically for the Mercedes W251 body, taking into account the shape of the bumper, the position of the headlight, and the routing of fluid lines. The placement on the right side of the vehicle facilitates clear identification and eliminates the risk of confusion with the component on the opposite side.

The original design ensures:

• compatibility with the factory headlight washer system,
• proper connection to the fluid supply line,
• stable mounting in the bumper without additional adapters.

As a result, the installation process is similar to factory service, and the component maintains its correct operating position relative to the headlight after installation.

Characteristics of the used component

The headlight washer nozzle is a wear-and-tear part exposed to external factors and fluid pressure in the system. The used version allows for an economical repair of the headlight washing system while maintaining the manufacturer's original design. Before installation, it is recommended to perform a standard check of connection tightness and the correct operation of the extension mechanism (if present in the given design solution).

Choosing an original sub-assembly from this group is particularly beneficial when you want to maintain consistency with the factory washer system, without interfering with the vehicle's electrical or hydraulic installations.

Integration with the washer system and diagnostics

A functional headlight washer nozzle works in conjunction with other system components, such as the fluid reservoir, high-pressure pump, and supply lines. In case of problems with headlight washing, it is worth performing diagnostics of the entire system, including:

• checking the pressure generated by the pump,
• verifying the patency of the lines,
• verifying the tightness of connections at the nozzle on the right side.

A properly selected and installed nozzle allows for the restoration of full functionality of the headlight washing system, which is also important in the context of technical inspection requirements for vehicles equipped with xenon or LED headlights.

If you want to better understand the principles of selecting components by OEM numbers and the connections between different sub-assemblies in a car, the article on our blog will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses, among other things, a practical approach to diagnostics and parts identification.

Expansion and service of the Mercedes washer system

If you are planning a comprehensive repair or upgrade of the washer system area in your Mercedes and need other components from the same group, such as fluid reservoirs, pumps, or additional nozzles, check the available parts in the Mercedes washer fluid reservoirs, pumps, and nozzles category.

For those who treat car work as a way to improve vehicle functionality on a reasonable budget, an interesting addition to your knowledge might also be the guide: Tuning with used parts – how to gain performance without spending a fortune, which describes the safe use of used sub-assemblies in various areas of the car.