Mercedes W204 Front Seat Motor Right O/S Adjuster Motor Actuator 0390203367

Mercedes W204 Front Seat Motor Right O/S Adjuster Motor Actuator is a precision component of the seat adjustment system, designed for installation on the front passenger side. Thanks to its factory-engineered design for the Mercedes brand, it ensures the proper operation of the seat sliding and adjustment mechanism, which translates into comfort and a safe driving position.

Specifications and technical data

• SKU: 390203367
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: 0390203367
• Substitutable numbers: 0390203367, 0 390 203 367
• Location on the vehicle: Front, Right
• Category: Seats and Sofas

Purpose and function in the vehicle

The seat adjustment motor is responsible for driving the seat positioning mechanism along the axis intended by the manufacturer, enabling smooth adjustment of the seat position in the front right part of the cabin. This component works in conjunction with the seat structure and the vehicle's electrical system, ensuring:

• stable operation of the adjustment system without jerking,
• repeatable seat positioning in accordance with the control signal,
• maintenance of an ergonomic passenger position while driving.

Due to its precise fit for the specific body platform, the motor contributes to a coherent adjustment system within the Seats and benches category, which is important for both comfort and passive safety.

Benefits of using an original seat adjustment motor

Using a dedicated seat adjustment motor in the front right part of the vehicle allows for maintaining the factory performance parameters of the seating system. In practice, this means:

• proper fit to the seat structure – no need for mechanical or electrical modifications,
• consistency with the factory adjustment control system,
• maintenance of the seat travel range intended by the manufacturer.

The component from this group is particularly important in vehicles where passenger comfort in the front seat is significant during long journeys, and precise seat position adjustment helps relieve the spine and provides stable support.

Condition of the component and practical application

The offered motor comes from the secondary market, which allows for an economical restoration of the seat adjustment system's efficiency while maintaining compliance with factory solutions. This type of component is a good choice in situations where:

• the original adjustment drive has worn out or suffered mechanical damage,
• it is necessary to replace only a single drive module,
• the priority is to maintain the original seat structure and installation.

The selection of the correct seat adjustment motor for a specific vehicle should always be confirmed based on technical data and manufacturer markings to ensure full installation compatibility.

Integration with the seating system and interior comfort

A functional seat adjustment motor in the front right part of the cabin has a direct impact on the functionality of the entire seating system. In combination with a properly selected frame and upholstery, it allows for:

• precise positioning of the passenger relative to the dashboard and airbags,
• easy adjustment of the seat to the user's height and preferences,
• maintaining consistent operation of all adjustment points within the seat.

If you are planning a comprehensive repair or upgrade of the seating area in your Mercedes and need other elements from the same group, such as rails, frames, or additional adjustment mechanisms, check the available parts in the Mercedes Seats and benches category.

Expert support and additional materials

When planning an interior upgrade, including replacing seats or their drive components, it is worth analyzing the impact of such changes on ergonomics and vehicle value. Practical tips on selecting branded seats from the secondary market, their impact on driving comfort, and the potential increase in the car's attractiveness can be found in the article: Interior metamorphosis: How branded seats from dismantling will drastically improve comfort and increase the value of your car.

If you are considering different service strategies – from factory parts, through replacements, to used components – comparing the costs and benefits described in the post may also be helpful: Original, replacement, or used – which car parts are the most cost-effective?.