Mercedes W906 Radio Remote Alarm Key Fob Button A2479052607

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W906 Radio Remote Alarm Key Fob Button is an original component from the Switches, control elements and ignition locks group, designed for Mercedes vehicles. It serves as an ideal base for repairs, refurbishment, or sourcing specific electronic and mechanical components, particularly for specialized service work on remote control and steering column lock systems.

Specifications and technical data

• SKU: A2479052607
• Mark: Mercedes (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: A2479052607
• Substitutable numbers: A2479052607, A 247 905 26 07
• Category: Switches & Controls

Application and vehicle function

The key fob in W906 series models is responsible for operating the central locking system, ignition authorization, and communicating with the immobilizer system and ignition switch. This type of component is essential when diagnosing vehicle starting issues, programming new keys, or restoring the functionality of the access system without the need to interfere with the entire electrical installation.

For workshops specializing in automotive electronics and service centers dealing with Mercedes commercial vehicles, such a key fob can be a source of compatible sub-assemblies, housings, buttons, or circuit boards, which, after proper processing and configuration, help optimize repair costs.

Technical characteristics and product group

The product belongs to the Switches, control elements and ignition locks group, meaning it is linked to systems responsible for controlling vehicle functions from the driver's perspective. In practice, this involves interaction with comfort modules, the steering column lock, the ignition switch, and the vehicle security system. Consequently, the key fob can be used as a donor for parts in repair processes where maintaining compatibility with the factory Mercedes electrical architecture is crucial.

Its original Mercedes origin ensures proper housing geometry, button layout, and communication standards with the vehicle, which is vital for precise service work and component adaptation.

Product condition and potential service applications

The item is offered in a condition intended for repair or as non-functional, making it a suitable choice for specialized service centers capable of performing refurbishment, SMD component soldering, microswitch replacement, or housing reconstruction. Such a key fob can also be useful as training material for practicing automotive electronics, key programming, and working with immobilizer modules.

In workshop practice, this type of product is often used for:

• sourcing compatible electronic components from the key fob circuit board,
• transferring functional components to a different housing,
• analyzing faults in Mercedes remote control systems,
• testing and comparing signals during diagnostics.

Benefits of choosing an original Mercedes component

Choosing an original key fob from dismantling allows you to maintain consistency with the factory security and control system in the vehicle. For many Mercedes models, using OEM components reduces the risk of communication issues, comfort module errors, or improper central locking operation. This is particularly important when working with commercial vehicles, where reliability and consistent performance are paramount.

If you want to better understand how to effectively use original parts from dismantling in vehicles of this brand, it is worth reading our guide: used Mercedes parts from original dismantling, which discusses the practical aspects of selecting and installing such elements.

Support in selection and expanding the scope of repairs

When planning repairs for control and security systems in Mercedes commercial vehicles, it is often necessary to source several related components from the same group. If you are planning a comprehensive repair or upgrade of the control and security zone in your Mercedes and need other elements from the same group, such as ignition switches, function switches, or control modules, check out the available parts in the Mercedes switches, control elements and ignition locks category.

When deciding between a used original part and a replacement, our practical guide may also be helpful: why a used OEM part often outperforms a replacement, which presents specific technical and economic arguments relevant from the perspective of both the workshop and the end user.