Mercedes W212 Front Seat Left N/S Electric Black Leather A2129105147

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W212 Front Seat Left N/S Electric Black Leather is an original premium interior component designed for installation on the driver's side. The black leather upholstery and electric adjustment provide significantly higher travel comfort and a consistent cabin look in Mercedes E-Class W212 generation vehicles. This is a solution for users who expect solid construction, ergonomics, and aesthetics in line with the manufacturer's standards.

Specifications and technical data

• SKU: A2129105147-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2129105147
• Substitutable numbers: A2129105147, A 212 910 51 47
• Location on the vehicle: Front, Left
• Upholstery material: Leather
• Color: Black
• Category: Seats and Sofas

Purpose and fitment for Mercedes W212

The presented seat is designed as a front left-side component for Mercedes W212 models, ensuring it maintains factory seat geometry, proper body support, and compatibility with factory mounting points. The seat construction is adapted to the interior architecture of this generation, facilitating integration with other cockpit and center console elements.

The driver-side positioning allows for full utilization of electric adjustment functions, while the appropriately selected seat and backrest profile promotes a stable position behind the wheel during both city and highway driving.

Construction, material, and color scheme

The seat belongs to the Seats and benches category and features black leather upholstery, ensuring the understated and elegant interior look characteristic of Mercedes. The leather surface is resistant to typical operational wear while being easy to maintain using dedicated leather care products.

The black color of the upholstery blends well with both light and dark dashboard and door panel finishes, making it easy to maintain a consistent cabin style. The use of leather helps maintain proper seat and backrest rigidity, which translates into stable support during longer trips.

Functionality of the electric driver's seat

A key feature of this model is electric control, which allows for precise adjustment of the seat position to the driver's height and preferences. Adjustment is performed using switches located on the side of the seat or in its immediate vicinity (depending on vehicle configuration), allowing for quick setting of the correct position without the need for physical effort.

In practice, this translates into:

• easier finding of an ergonomic position behind the wheel,
• the possibility of frequent setting adjustments during long journeys,
• more even distribution of loads on the spine and thighs.

Thanks to the electric control, the seat fits well into the equipment of high-class cars, where ease of operation and repeatability of driver position settings are valued.

Performance characteristics and practical application

As a Mercedes segment component, the seat was developed for daily use in varied conditions – from short city trips to long routes. The black leather upholstery limits the visibility of typical dirt while allowing for quick surface refreshing using standard leather care preparations.

The product is suitable both for replacing a worn driver's seat and for interior upgrades when you want to improve seating comfort while maintaining the original character of the cabin. The used nature of the item allows for an economical replacement while maintaining compliance with the vehicle's factory specifications.

Interior expansion and related components

If you are planning a comprehensive repair or upgrade of the seating area in your Mercedes and need other items from the same group, such as additional seats, rear benches, or armrests, check the available parts in the Mercedes Seats and benches category.

If you are considering a wider cabin transformation and want to better understand how branded seats from dismantling affect comfort and the perceived value of the car, it is worth reading the guide: Interior transformation: how branded seats from dismantling improve comfort and increase car value.