Mercedes R172 C207 W212 C218 Ignition Remote Key Fob A2319054300

Used key – requires programming

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

Mercedes R172 C207 W212 C218 Ignition Remote Key Fob is a component from the Electronic control modules and controllers group, designed for diesel-powered vehicles. It serves as an ideal base for repairs, programming, or component recovery in a specialized Mercedes automotive electronics service, especially where compatibility with the factory system architecture is essential.

Specifications and technical data

• SKU: A2319054300
• Mark: Mercedes (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: A2319054300
• Substitutable numbers: A2319054300, A 231 905 43 00
• Fuel type: Diesel
• Category: ECUs & Computer Modules

Application and role in the electronic system

The described ignition remote key fob operates within the vehicle's electronic control system, interacting with modules responsible for start authorization, the immobilizer, and communication with other onboard controllers. In diesel vehicles, it plays a vital role in the engine start sequence, where precise data exchange between the key and the control modules is required.

Due to its classification in the Electronic control modules and controllers group, this component can be used as a donor for parts, data carriers, or housing in service processes such as cloning, adaptation, or diagnostics of comfort and security systems.

Technical characteristics and purpose

The ignition remote key fob has been designed for integration with the factory electrical installation of Mercedes diesel vehicles. Its construction enables cooperation with control systems that require proper user identification and authorization before starting the engine.

The product is offered in for parts or not working condition, which means it is primarily recommended for:

• recovery of electronic or mechanical components by a specialized service,
• analysis and testing in workshops specializing in automotive electronics,
• training and educational purposes for learning programming and diagnostics of Mercedes modules.

This approach allows for optimized repair costs while maintaining compliance with the vehicle's original system architecture.

Benefits of choosing a used electronic module

Choosing a used ignition remote key fob as a donor part can be a beneficial solution for workshops and technicians who need compatible components to repair existing systems. By maintaining the manufacturer's original specifications, it is possible to achieve:

• better fitment with existing controllers and installations,
• maintenance of software and hardware consistency in the vehicle,
• reduced risk of communication issues between modules.

To maximize the potential of such elements, it is worth consulting a guide on selecting and installing used electronics. Practical tips can be found in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?, which discusses, among other things, selection by part numbers, hardware and software compatibility, and the most common service questions.

Installation and service recommendations

Due to the nature of the product as an item intended for parts, all work related to its use should be performed by an experienced automotive electronics service. This applies in particular to:

• programming and adaptation in vehicle security systems,
• diagnostics of communication with other modules,
• physical disassembly and recovery of sub-assemblies.

A professional approach to the service process helps reduce the risk of errors in the comfort, security, and ignition systems, which is of particular importance in modern vehicles with an extensive network of controllers.

Related items from the same group

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