Mercedes W212 Front Seat Back Rest Right O/S Electric A2129105047

Mercedes W212 Electric Seat Backrest Front Right is an original part from the Seats and Benches group, designed for installation on the front right side in Mercedes E-Class W212 models. The electrically adjustable backrest in black allows for the restoration of full passenger seat functionality, improving driving comfort and ergonomics. This solution is dedicated to users who expect factory fitment and a cohesive interior appearance.

Specifications and technical data

• SKU: A2129105047
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2129105047
• Substitutable numbers: A2129105047, A 212 910 50 47
• Location on the vehicle: Front, Right
• Color: Black
• Category: Seats and Sofas

Intended Use and Fitment for Mercedes W212

The presented electric seat backrest has been designed specifically for the front right seat in the Mercedes W212, ensuring correct geometry, mounting points, and compatibility with the factory electrical system. This allows the part to integrate with the existing seat frame and adjustment system without the need for structural modifications.

The backrest is prepared for operation with original seat adjustment controllers and switches, facilitating the retention of full multi-plane adjustment system functionality. This solution is particularly beneficial for post-accident repairs, replacement of worn upholstery elements, or interior upgrades aimed at a higher level of comfort.

Construction, Color Scheme, and Interior Integration

The backrest is finished in an elegant, universal black color, allowing it to harmonize with most interior configurations used in the Mercedes W212. This color scheme facilitates matching with existing upholstery and other cabin elements, maintaining a cohesive, factory-like cockpit character.

The backrest's construction is intended for the front right area of the cabin, meaning it has a specifically contoured shape tailored to the passenger seat's ergonomics. Using an original part from the Seats and Benches group ensures proper back support and body stability during driving, which translates to comfort on longer journeys.

Electric Backrest Functionality

Electric backrest adjustment allows for precise positioning within the range specified by the vehicle manufacturer. Integration with the factory adjustment system enables:

• smooth adjustment of the backrest angle,
• easy position adaptation to the passenger's height and preferences,
• convenient operation from the original seat adjustment buttons.

This provides users with comfortable, repeatable settings, which is particularly important for daily vehicle use and frequent changes of drivers and passengers.

Characteristics of a Used Part

The backrest is a used part, offering a cost-effective solution while maintaining the original manufacturer's specifications. A used part allows for economical seat repair without the need to invest in a new set, while still preserving the factory standard of fitment and compatibility with the vehicle's electrical system.

This type of component is particularly recommended for repairs after mechanical damage to the backrest, malfunctions of the adjustment mechanism, or for interior element replacement as part of functional tuning aimed at improving comfort and ergonomics.

Application in Interior Tuning and Comfort Modernization

Replacing the backrest with an electric version in the Mercedes W212 can be part of a broader cabin modernization project aimed at improving passenger comfort and enhancing overall interior quality. Using an original part from the same model line avoids fitment issues and maintains a cohesive cockpit design.

If you want to better plan your car's cabin modernization and leverage the potential of used seats and control elements, check out the guide on our blog: Car Interior Tuning with Global Parts.

Expanding Modernization – Other Parts from the Seats and Benches Group

If you are planning a comprehensive repair or modernization of the seating area in your Mercedes and need other parts from the same group, such as seat bases, headrests, or complete seat structures, check the available parts in the Mercedes Seats and Benches category.

Additionally, if you are interested in a broader perspective on selecting used components for popular car models, our guide to the used parts market may be helpful: Best Used Car Parts – A Guide to Original Components.