Mercedes-Benz E-Class W207 Seatbelt Feeder Motor Belt Adjuster Left N/S

The Mercedes-Benz W207 Seat Belt Feeder Motor Left is a specialized component from the Seat Belts and Parts category, responsible for automatically feeding the driver's seat belt in coupé and cabrio models. It allows for easy access to the belt and supports the correct positioning of the webbing, contributing to the comfort and safety of daily vehicle operation.

Specifications and technical data

• SKU: A2078600182
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2078600182
• Substitutable numbers: A2078600182, A 207 860 01 82
• Location on the vehicle: Left
• Category: Seat Belts & Parts

Purpose and Function in the Seat Belt System

The seat belt feeder motor in the W207 body is responsible for automatically extending the arm with the belt after opening the door and engaging the ignition. This eliminates the need for the driver to reach far to the pillar, placing the belt in an ergonomic position. This component works in conjunction with the comfort system and the belt mechanism, ensuring smooth and predictable operation of the entire system.

Its placement on the vehicle on the left side indicates it is a component intended for the driver's side in vehicles with a classic, European steering wheel layout. A properly functioning seat belt feeder reduces the risk of belt twisting, improves ease of entry, and supports maintaining the correct body posture while driving.

Construction and Technical Characteristics

The seat belt feeder motor is a drive unit integrated with the belt arm extension mechanism. It includes an electric motor, a gearbox, and guiding elements that work with the seat and B-pillar structure. The entire unit is designed as part of the original Mercedes safety system, ensuring compatibility with the vehicle's electronics and appropriate operating parameters.

As a component from the Seat Belts and Parts category, the motor must meet requirements for reliability and repeatable operation. The appropriately selected gear ratio, control of extension speed, and proper interaction with vehicle sensors contribute to the stable functioning of the entire system, without jerks or unwanted noises.

Mounting Side and Vehicle Integration

Placement on the left side of the vehicle is crucial when selecting parts – the seat belt feeder motor must be matched to the specific side of the body, as it differs in mounting geometry and direction of operation. Correct component selection ensures:

• Proper guidance of the seat belt relative to the seat and pillar,
• Stable mounting to factory points in the body structure,
• Correct integration with the electrical system and comfort controls.

The seat belt feeder motor is a component that should be installed in place of the original part, following the manufacturer's service procedures. This ensures the seat belt system retains its designed functional properties.

Product Condition and Practical Application

The offered seat belt feeder motor is a used part, allowing for economical repair of the seat belt system while maintaining the original construction. This type of solution is particularly beneficial for vehicles several years old, where maintaining the functionality of the safety system at a reasonable service cost is a priority.

Replacing a faulty feeder with a functional unit restores:

• Comfortable delivery of the driver's seat belt after opening the door,
• Proper interaction with the vehicle's comfort electronics,
• Consistent operation of the entire seat belt system with the original design specifications.

Selecting Other Components from the Seat Belt Category

If you also need other components from the Mercedes Seat Belts and Parts category, check out our dedicated offer – go to the Mercedes Seat Belts and Parts section to select compatible parts for your model.

More About Using Used Components

Want to better understand how to wisely use used parts in premium cars while maintaining a high standard of operation? Read the article on our blog Audi on Second-Hand Parts – Tuning and Repairs Without Quality Loss, where we discuss a practical approach to selecting used components for German cars.