£Mercedes-Benz W164 W203 W204 W211 Radio Remote Alarm Key Fob Button A2049051704

£Mercedes-Benz W164 W203 W204 W211 Radio Remote Alarm Key Fob Button is an original component from the Switches, control elements and ignition switches group, designed for operating the central locking and vehicle ignition system. This used remote key fob ensures a factory-fit for the Mercedes electrical system and maintains the proper ergonomics for daily vehicle operation.

Specifications and technical data

• SKU: A2049051704
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049051704
• Substitutable numbers: A2049051704, A 204 905 17 04, ŁS
• Category: Switches & Controls

Purpose and function of the remote key fob

The remote key fob for Mercedes W164, W203, W204, and W211 class models is responsible for remote lock control and interaction with the ignition system or start module. It is a component integrated with the vehicle's electronics, enabling convenient locking and unlocking of the car, as well as managing vehicle security functions.

Thanks to a design compliant with Mercedes factory standards, the key fob retains the correct shape, button layout, and user comfort, which translates into intuitive operation without the need to adapt to a different control layout.

Benefits of using an original Mercedes remote

Choosing an original remote key fob from this series is a solution that allows you to maintain the consistency of the vehicle's control system. As an element from the same group as factory Switches, control elements and ignition switches, it ensures:

• compatibility with Mercedes electrical and electronic architecture,
• proper cooperation with comfort and security modules,
• an ergonomic button layout matched to the vehicle interior,
• aesthetics consistent with other cockpit elements.

The used condition of the product allows for an economical restoration of full control system functionality without the need to invest in more expensive solutions, while maintaining the original design.

Integration with the control system and ignition

The remote key fob works with systems responsible for engine starting and steering column locking, forming part of the vehicle's security system. As an element from the Switches, control elements and ignition switches category, it is designed so that communication with control modules is stable, and the response to button signals is repeatable and predictable.

When properly matched to a specific car configuration, the key fob can be integrated into the existing system following the appropriate programming procedure, carried out in accordance with the vehicle manufacturer's guidelines.

Why choose an original used component

An original Mercedes remote key fob is a compromise between cost and maintaining factory build quality. Unlike cheap replacements, the original component is designed for a specific vehicle platform, which reduces the risk of compatibility issues and premature wear of buttons or the housing.

If you want to learn more about the advantages of using original dismantled components in cars of this brand, it is worth reading an article describing the practical aspects of such solutions: used Mercedes parts from original dismantling.

Expanding the control system in your Mercedes

If you are planning a comprehensive repair or upgrade of the control and ignition zone in your Mercedes and need other elements from the same group, such as additional switches, control elements, or ignition components, check out the available parts in the Mercedes switches, control elements and ignition switches category.

For larger service or modernization projects within the interior and vehicle electronics, a guide describing how to effectively collect used components in one place may also be helpful: comprehensive supply of used car parts.