Mercedes C117 W166 W205 Radio Remote Alarm Key Fob Button A2229054100

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes C117 W166 W205 Radio Remote Alarm Key Fob Button is an original component from the Switches, control elements and ignition locks group, designed for Mercedes vehicles. It is suitable as a base for repair, refurbishment, or for sourcing specific electronic components and key fob housing in specialized service centers.

Specifications and technical data

• SKU: A2229054100
• Mark: Mercedes (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: A2229054100
• Substitutable numbers: A2229054100, A 222 905 41 00
• Category: Switches & Controls

Application and function in the vehicle

The key fob in Mercedes C117, W166, and W205 models acts as a central element of the vehicle access and starting system. It is responsible for remote control of locks, interaction with the ignition switch or start/stop module, and communication with the body electronics. This unit can be used as a donor for components for specialized repairs of control systems in Mercedes cars.

Technical characteristics and product group

The presented key fob belongs to the Switches, control elements and ignition locks group, which means it is part of the system responsible for operating the vehicle's functional features from the driver's perspective. In practice, it can serve as:

• a base for transferring electronics or housing during the key fob refurbishment process,
• a source of components for diagnostics and testing in workshops dealing with automotive electronics,
• an auxiliary element for restoring control systems in vehicles after mechanical damage or liquid exposure.

Thanks to its original Mercedes origin, the proper manufacturing standards and compatibility within this model group are maintained.

Product condition and potential service applications

The item is offered in for parts or not working condition, which means it is not intended for direct, plug-and-play use. It is most commonly used as:

• a carrier of spare parts for repairing other key fobs,
• training and testing material for automotive electronics technicians,
• a base for reconstructing housing or buttons during the service process.

This method of use allows for optimizing repair costs and extending the lifecycle of components already present in the vehicle.

Integration with other Mercedes control elements

In Mercedes vehicles, the control system relies on the cooperation of many electronic modules, ignition locks, switches, and key fobs. Proper matching of elements from this group is crucial for the correct operation of comfort and safety functions. If you are planning a comprehensive repair or upgrade of the control and access zone in your Mercedes and need other elements from the same group, such as buttons, control modules, or ignition locks, check the available parts in the Mercedes switches, control elements and ignition locks category.

Expert support and selection of used Mercedes components

When working with used control components, it is worth using reliable sources of knowledge regarding the selection and verification of original parts. If you want to better understand how to effectively use dismantled parts in cars of this brand, read the article Used parts for Mercedes – original parts from dismantling, which discusses a practical approach to servicing Mercedes-Benz vehicles using original used parts.

Summary

Mercedes C117 W166 W205 Radio Remote Alarm Key Fob Button is an original element from the control and ignition lock group, intended primarily as a donor for parts or a base for refurbishment. It will prove useful in specialized workshops dealing with Mercedes vehicle electronics, where compliance with factory solutions and the possibility of economical repair of existing control systems are prioritized.