Mercedes W204 C219 Front Left N/S Seat Adjuster Motor Actuator 0390203274

Mercedes W204 C219 Front Left N/S Seat Adjuster Motor Actuator is a precision component of the seat adjustment system, designed for installation in the front left section of the vehicle interior. Thanks to its factory-spec design, it ensures smooth adjustment of the driver's seat, improving ergonomics, comfort, and safety while driving. This solution is particularly beneficial for professional repairs or complete restoration of the seating system in Mercedes vehicles.

Specifications and technical data

• SKU: 0390203274
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: 0390203274
• Substitutable numbers: 0390203274, 0 390 203 274
• Location on the vehicle: Front, Left
• Category: Seats and Sofas

Purpose and function in the vehicle

The seat adjuster motor is responsible for driving the seat adjustment mechanism on the axis assigned to the driver's seat on the front left side. Its task is to ensure stable, controlled movement of the seat structure so that the position behind the steering wheel can be precisely adjusted to the user's height and preferences.

Its placement in the front zone, on the driver's side, means that this component has a direct impact on:

• ergonomics of the driving position,
• comfort during long journeys,
• proper back and leg support,
• safe use of passive safety systems.

Benefits of using an original seat adjuster motor

Using a dedicated seat adjuster motor in Mercedes W204 and C219 models allows for maintaining the structural consistency of the entire seating system. This component has been designed to work with factory rails and gears, which translates into:

• stable operation of the adjustment mechanism without jerking or unwanted play,
• proper fit to the mounting points in the driver's seat area,
• preservation of the original operating characteristics of the seating system.

The product belongs to the Seats and benches category, making it a perfect fit for comprehensive work related to replacing or upgrading interior equipment in Mercedes vehicles.

Installation characteristics and application

The front left seat adjuster motor has been prepared for installation in factory mounting points, which facilitates workshop work and limits the need for modifying the seat structure. Its placement on the vehicle in the front zone, on the left side, allows it to be clearly assigned to the driver's seat in Mercedes cars of the appropriate body series.

When selecting the component, it is worth paying attention to:

• compatibility with the vehicle generation,
• intended use for the front left seat,
• integration with the existing rail and control system.

Thanks to this, the motor can be used both for repairing a single seat and for a broader modernization of the entire seating system.

Product condition and practical application

The offered seat adjuster motor is a used part, which makes it an attractive cost-effective solution while maintaining proper functionality. It is a practical choice for workshops specializing in the Mercedes brand and for individual users who want to restore full functionality to the driver's seat adjustment without having to invest in a new subassembly.

In daily use, a functional seat adjuster motor translates into:

• easy adjustment of the seating position for different drivers,
• greater comfort in city traffic and on the road,
• better utilization of the structural capabilities of the Mercedes seat.

Seating system expansion and additional information

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

If you are considering a broader interior transformation and want to better understand how branded dismantled parts affect the comfort and value of the vehicle, check out our guide: Interior transformation: how branded seats from dismantling improve comfort and increase car value. You will find practical tips there on how to consciously choose used interior components to achieve a consistent and functional effect.