Smart Fortwo C453 Front Seat Heated Leather Isofix Left N/S A4539104507

Visual condition of the part

The product shows signs of use visible in the photos.

Smart Fortwo C453 Front Seat Heated Leather Isofix Left N/S is a factory interior component from the Seats and benches group, designed for installation on the left side of the vehicle's front axle. The original design ensures a proper fit to the Smart Fortwo C453 body, while the integrated heating and leather upholstery enhance daily comfort. The presence of Isofix mounts allows for the safe installation of a child seat in accordance with current safety standards.

Specifications and technical data

• SKU: RHD-A4539104507-1
• Mark: Smart
• Condition: Used
• OEM Part Number: A4539104507
• Substitutable numbers: A4539104507, A 453 910 45 07
• Location on the vehicle: Front, Left
• Category: Seats and Sofas

Purpose and fitment for Smart Fortwo C453

The presented seat is designed as a front row component on the driver's side in the Smart Fortwo C453 model. Its placement in the front – left zone guarantees compatibility with factory mounting points and proper integration with the vehicle's seat belts and electrical system. As a result, the seat is a suitable solution both for replacing a damaged seat and for upgrading the interior to a higher trim level.

Construction, materials, and functional features

The seat construction is based on the standard frame used in the Smart Fortwo C453, which translates into stable body support and predictable behavior while driving. The leather upholstery ensures easier maintenance and a more representative cabin appearance. Integrated seat and backrest heating improves thermal comfort during the autumn and winter seasons, accelerating the warming of the driver's zone after starting the vehicle.

An important element is the presence of the Isofix system, which allows for the installation of compatible child seats without the need for additional adapters. This solution increases the safety level of transported passengers and facilitates daily operation – attaching and detaching the child seat is done in a repeatable and controlled manner.

Use of a used seat – technical aspects

The seat comes from a dismantled Smart vehicle, which means it retains its original geometry, rails, and mounting points. A used component of this type is often chosen for post-accident repairs, replacing a worn seat, or when upgrading from a base version to a leather variant with heating. In practice, this allows for cost savings compared to purchasing a new part, while maintaining factory specifications.

Before installation, it is recommended to perform a standard verification of the vehicle's electrical system for heating function support and to check the correct operation of the adjustment mechanisms. This allows the seat to be integrated into the existing interior layout without the need for structural modifications to the body.

Comfort, ergonomics, and safety

The leather finish and seat profiling promote stable support during city and suburban driving, which is particularly important in the compact body of the Smart Fortwo C453. Seat heating improves comfort in low temperatures, reducing the time needed to reach a pleasant temperature in the driver's zone. In turn, the Isofix system supports the safe transport of children by providing a rigid mounting point for the seat to the vehicle's structure.

For users planning a broader interior modernization, replacing the seat with a leather version with heating is one of the most noticeable improvements in terms of ergonomics and perceived driving comfort.

Interior expansion and additional information

If you are planning a comprehensive repair or modernization of the front seating area in your Smart and need other components from the same group, such as passenger seats, backrests, or rear benches, check the available parts in the Smart 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 vehicle value, check out our guide: Interior transformation: how branded seats from dismantling improve comfort and car value. The article will help you assess when replacing a single seat and when replacing the entire set will be most beneficial in technical and practical terms.