Mercedes W169 Headlight Beam Adjuster Actuator Motor 0307650008

Mercedes W169 Headlight Beam Adjuster Actuator Motor is a precision lighting system component responsible for adjusting the height of the low and high beam light patterns at the front of the vehicle. It allows the headlights to be properly leveled according to the vehicle's load, which improves visibility and reduces glare for other drivers. This solution is designed for installation in the front area, on either the left or right side, depending on the headlight configuration.

Specifications and technical data

• SKU: 0307650008
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: 0307650008
• Substitutable numbers: 0307650008
• Location on the vehicle: Front, Left, Right
• Category: Headlight Assemblies

Function and application in the lighting system

The motor is responsible for the electric adjustment of the headlight position, working in conjunction with the headlight height adjuster in the cabin or the automatic leveling system. A properly functioning headlight adjustment actuator allows you to:

• set the headlight cut-off line at the correct height relative to the road,
• adjust the lighting to the vehicle's load (passengers, luggage),
• maintain a stable position of the reflector inside the headlight while driving.

The component is designed for installation in front headlights, on both the driver and passenger sides, making it easy to match the specific lamp configuration of a given Mercedes unit.

Compatibility and fitment for Mercedes W169

The motor has been designed for the W169 platform, which means it is compatible with the headlight construction used in this model. The appropriate mounts and actuator kinematics allow for:

• mechanical fitment with the headlight housing without modifications,
• proper connection to the reflector adjustment mechanism,
• correct operation with the vehicle's electrical system.

Thanks to this, the process of replacing the headlight beam adjuster actuator motor is predictable and can be performed under standard service conditions, without the need to modify the wiring harness or the headlight housing.

Characteristics of the used component

The offered motor comes from disassembly, which allows for maintaining the original manufacturer's specifications while optimizing repair costs. A used component of this type is often chosen as a reasonable alternative to new replacements, especially when the goal is to:

• maintain the factory operating characteristics of the adjustment mechanism,
• ensure consistency with other lighting system components,
• reduce service costs while maintaining full functionality.

Before installation, it is recommended to perform a standard verification of the actuator's operation and the correct movement of the adjustment pin to ensure stable headlight performance after installation.

Benefits of a properly functioning headlight adjustment

A functional adjustment motor in a Mercedes W169 translates directly into safety and comfort when driving at night. Properly adjusted headlights:

• provide uniform illumination of the lane and the roadside,
• reduce the risk of blinding oncoming drivers,
• meet technical inspection requirements regarding light geometry.

Replacing a faulty adjustment actuator is recommended if you experience symptoms such as no response to the adjustment dial, random headlight height settings, or visible "sagging" of one of the headlights.

Expanding the lighting system in a Mercedes

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 headlights, lamp inserts, or additional adjustment modules, check the available parts in the Mercedes Front Lights category.

For drivers interested in a broader perspective on automotive electronics maintenance and the use of salvaged parts in modern cars, the article describing a practical approach to control modules and multimedia systems in BMWs may be helpful – you can find it here: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models.