Mercedes W204 W211 Front Right O/S Seat Adjuster Motor Actuator 0390203276

Mercedes W204 W211 Front Right O/S Seat Adjuster Motor Actuator is a precision component of the seat adjustment system, designed for installation on the front passenger side. It enables efficient control of seat positioning, restoring full functionality of the electric adjustment and improving daily driving comfort. Thanks to a design consistent with factory specifications, the seat adjustment system operates stably and predictably, with no modifications to the wiring required.

Specifications and technical data

• SKU: 0390203276-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: 0390203276
• Substitutable numbers: 0390203276, 0 390 203 276
• Location on the vehicle: Front, Right
• Category: Seats and Sofas

Purpose and function in the vehicle

The presented actuator is a component of the seat adjustment system in Mercedes W204 series vehicles, mounted in the front area on the right side. It is responsible for driving the adjustment mechanism, ensuring smooth seat movement in accordance with signals from the control panel. A properly functioning motor translates into comfortable adjustment of the seating position to the user's height and preferences, which is important for both ergonomics and driving safety.

Construction and fitment to the seat system

The actuator works with the seat rails and gears, forming a cohesive drive system in the Seats and Benches category. It has been designed for the specific geometry of the W204 seat, ensuring it maintains the correct mounting points and operating direction. The design, intended for front right-side installation, allows for proper routing of the electrical harness and collision-free operation with other seat frame components.

Benefits of using an original actuator

Using a dedicated seat adjustment motor in a Mercedes W204 allows you to:

• maintain factory seat adjustment functionality on the passenger side,
• preserve compatibility with the original electric seat controls,
• reduce the risk of improper operation of the adjustment mechanism,
• avoid modifications to the installation and mounts within the seat.

As a result, the seat adjustment system remains consistent with the manufacturer's design, and the replacement process is predictable for a mechanic or automotive electrician.

Application in service and interior upgrades

The actuator is suitable for both typical repairs of faulty seat adjustments and for completing a used seat for an interior conversion in a Mercedes W204. It is a practical solution for workshops specializing in the Mercedes brand and for users upgrading their cabin equipment themselves who expect to maintain full functionality of the electric adjustment on the passenger side.

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 complete seats, check the available parts in the Mercedes Seats and Benches category.

Technical support and additional information

When selecting interior components, a guide describing how to effectively use used cabin components, such as seats or control elements, may be helpful. Practical tips regarding compatibility, installation, and upgrade planning can be found in the article Premium interior for half the price: second-hand seats, steering wheels, and multimedia.

If you are interested in how the use of used OEM elements affects vehicle downtime in the service center and repair organization, it is also worth reading the material Availability of car parts off-the-shelf vs. repair time – how do used OEM parts shorten workshop stays?, which discusses the practical aspects of workshop work with second-hand components.