Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit is an original component from the Electronic control modules and controllers group, designed for remote operation of the central locking and comfort systems in Mercedes Vito W447 generation models. This solution allows for maintaining the consistency of the vehicle's electronics with the factory controller architecture, which facilitates diagnostics and further service maintenance.

Specifications and technical data

• SKU: A4479058203
• Mark: Mercedes (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: A4479058203
• Substitutable numbers: A4479058203, A 447 905 82 03
• Category: ECUs & Computer Modules

Technical characteristics and role in the vehicle system

The Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit serves as an external user interface for the central locking system and associated comfort modules. As an element from the Electronic control modules and controllers category, it works with the vehicle's internal network, transmitting encoded signals to the appropriate body control units.

In practice, this means that a correctly selected remote allows for:

• remote control of door and tailgate locks,
• integration with existing vehicle electronics without interfering with the wiring harness,
• maintaining compliance with factory programming and diagnostic procedures.

Selection by part numbers and OEM compliance

The offered key fob is a component designed to work with factory Mercedes controllers, which facilitates matching based on OEM data and interchangeable numbers available in the specification. This allows for precise verification of compatibility with a specific version of the Vito W447 equipment, minimizing the risk of incorrect selection.

When working with vehicle electronics, it is particularly important to maintain compliance with the manufacturer's original parameters, which is why it is worth comparing the markings with data in the controllers and service documentation before purchasing. In case of doubt, diagnostic procedures used in authorized service centers will also be helpful.

Product condition and possible applications

The presented key fob is offered in for parts or not working condition, which means it should be treated primarily as a source of parts or material for repair and refurbishment. It can be used, among other things, for:

• obtaining the housing or mechanical components,
• analyzing electronics for training or service purposes,
• recreating configurations during specialized programming work.

This method of use is particularly useful in specialized workshops dealing with Mercedes automotive electronics, where access to original reference components is essential.

Mercedes electronic control modules and controllers – expansion and service

If you are planning a comprehensive repair or upgrade of the body electronics area in your Mercedes and need other elements from the same group, such as comfort modules, door controllers, or central locking units, check the available parts in the Mercedes electronic control modules and controllers category.

Support in selecting used parts and expert knowledge

When working with Mercedes electronics and other premium brands, it is crucial to correctly match OEM components and understand how they affect the vehicle's character. In the context of premium brands, it is worth reading the material describing how original components allow for maintaining the car's factory properties – you can find more on this topic in the article Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?.

If you want to further organize the process of selecting used electronic components and avoid unsuccessful purchases, practical tips on analyzing OEM compatibility and verifying technical condition can be found in the guide how to professionally select used car parts, saving time and nerves.

Summary

Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit is an original element from the vehicle electronics group, useful primarily as a base for parts or material for specialized service work. Due to its connection with factory Mercedes controllers, it is a valuable reference component for workshops dealing with diagnostics, repair, and programming of comfort systems in Vito W447 models.