Mercedes W204 Front Seat Belt Right O/S Upper Pretesnioner Red A2048604686

Front right seat belt with upper pretensioner in red for Mercedes W204 is an original part from the seat belts and parts category, designed for installation on the driver's or front passenger's side, depending on the body version. This is a solution for users who need a factory component with preserved functionality and proper fit to the seat and pillar structure.

Specifications and technical data

• SKU: A2048604686-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048604686
• Substitutable numbers: A2048604686, A 204 860 46 86
• Location on the vehicle: Front, Right
• Color: Red
• Category: Seat Belts & Parts

Purpose and Fit for Mercedes W204

The offered front right seat belt Mercedes W204 has been designed specifically for installation on the front axle of the vehicle, on the right side of the cabin. The design of the mountings, guides, and upper pretensioner is adapted to the interior geometry of the W204, ensuring the correct path of the belt relative to the seat, pillar, and anchor points.

The component comes from the Mercedes line, thus maintaining factory manufacturing standards, compatibility with original mounting bolts, and correct interaction with the vehicle's safety systems, such as the airbag control unit and seat belt buckle sensors.

Construction, Color Scheme, and Ergonomics

The seat belt is equipped with an upper pretensioner, which works with the vehicle's passive safety system. This solution aims to reduce belt slack in critical situations, leading to more stable occupant restraint in the seat.

A characteristic feature of this model is the red belt color. This color scheme:

• emphasizes the sporty character of the interior and complements upholstery with a dynamic finish,
• increases the visibility of the fastened belt – the belt is more visible against most upholstery colors,
• facilitates visual inspection of the belt's condition, e.g., for dirt or potential mechanical damage.

The belt routing geometry has been developed to ensure ergonomic positioning on the user's body, while maintaining the correct angle relative to the backrest and headrest. This prevents the belt from restricting movement during daily driving, while still fulfilling its protective function.

Condition, Functionality, and Service Application

The component is offered as a used part, which represents a reasonable compromise between cost and adherence to the original manufacturer's specifications. This type of component is particularly useful in situations such as:

• post-accident seat belt replacement, when the pretensioner has activated and a complete right-side assembly needs replacement,
• repair of the safety system after errors recorded in the airbag control unit,
• restoring the car to factory condition after unprofessional modifications or removal of original seat belts.

By maintaining its factory construction, the belt can be used as a replacement in vehicles where restoring the full functionality of the safety system is required without interfering with the electrical system or body structure.

Why Choose an Original Mercedes Seat Belt

For components responsible for safety, it is crucial to use parts that comply with the manufacturer's design. An original Mercedes seat belt with a pretensioner ensures:

• factory fit to the W204 interior – no need for modifications to mountings or guides,
• compatibility with the vehicle's electronic systems – correct interaction with sensors and the control unit,
• maintenance of the pretensioner's operating parameters as specified by the manufacturer, which is important for safety system calibration.

For users who wish to further verify the compatibility of parts with their own car using factory numbers, a guide describing practical methods for checking components will be useful. Detailed instructions can be found in the article Risk-free online parts shopping – 5 ways to verify compatibility by OEM numbers, which also discusses procedures for selecting parts for Mercedes cars.

Other Mercedes Seat Belts and Parts

If you are looking for other Mercedes seat belts and parts for your car, check out the dedicated category in our store. The full offer can be found at the link: Mercedes seat belts and parts, where you can compare different variants in terms of color, vehicle placement, and service application.