Mercedes Sprinter W907 Remote Ignition Key Control Unit Fob Set x2 A2479054403

Used key – requires programming

The key requires programming (coding) by a specialist to be fully functional.

Mercedes Sprinter W907 Remote Ignition Key Control Unit Fob Set is an original vehicle equipment component designed to operate the central locking and remote control functions in Mercedes vehicles. The set includes two keys, which allows for convenient use of the vehicle by more than one driver or serves as a practical backup in case one of the keys is lost. This solution is particularly useful for fleet operations and intensive use of Sprinter models.

Specifications and technical data

• SKU: A2479054403-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2479054403
• Substitutable numbers: A2479054403, A 247 905 44 03
• Category: Trim

Purpose and function in the Mercedes Sprinter W907

The remote ignition key control unit fob set has been designed for precise integration with the body electronics of the Mercedes Sprinter W907. Each key integrates a mechanical lock function and a radio module in one housing, responsible for:

• remote locking and unlocking of the vehicle,
• convenient central locking control,
• operation of comfort functions (depending on vehicle configuration),
• communication with the vehicle's security system.

Two keys in the set increase the vehicle's functionality in daily operation, facilitate vehicle handover between users, and reduce the risk of vehicle downtime if one key is lost.

Construction and integration with vehicle electronics

The remote ignition key control unit fob set for the Sprinter W907 is based on Mercedes' factory electronic architecture, which ensures consistency with the immobilizer system and comfort modules. The key housing is ergonomic, and the buttons are positioned to allow intuitive operation even when wearing work gloves. Thanks to this solution, the driver has quick access to basic vehicle functions without the need to use a mechanical lock.

Original manufacturing promotes proper cooperation with the electrical system and minimizes the risk of radio communication issues, which is particularly important in commercial vehicles where reliability and consistent performance are essential.

Benefits of using the original key set

Choosing the original remote ignition key control unit fob set for the Mercedes Sprinter W907 offers a number of practical benefits:

• maintaining full compatibility with the factory security system,
• consistency with body control unit software,
• easier adaptation and programming compared to aftermarket replacements,
• maintaining the quality standard characteristic of the Mercedes brand.

Two keys in one set facilitate work organization in transport companies and service centers where the vehicle frequently changes drivers. It is also a convenient solution for private users who want to have one key for daily use and a second one as a safe backup.

Product condition and service application

The product comes from the used parts group, making it an attractive service solution for users looking for original components at a reasonable price. Such elements are often chosen for post-accident repairs, replacing damaged keys, or when it is necessary to restore equipment after the loss of the factory set.

The remote ignition key control unit fob set will prove useful both in professional workshops specializing in vehicle electronics and in fleet service centers, where quick availability and the ability to restore full vehicle functionality while maintaining manufacturer standards are key.

Related Mercedes interior equipment components

If you are planning a comprehensive repair or upgrade of the cockpit and door area in your Mercedes and need other elements from the same group, such as decorative panels, trim inserts, or additional covers, check out the available parts in the Mercedes trim, moldings, and decorations category.

To compare manufacturers' approaches to interior equipment quality and control electronics, you can read an analysis of solutions used in another premium brand – details can be found in the article Audi and pure emotion – how used parts help maintain the brand's DNA, which discusses the importance of original components in preserving the vehicle's character.