Mercedes R171 Radio Player CD Head Unit Tel. Bluetooth Display A1718705594

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes R171 Radio Player CD Head Unit Tel. Bluetooth Display is an original audio system head unit designed for Mercedes models, combining a CD player, phone support, and a display. Thanks to the integrated Bluetooth function, it enables convenient communication and media control without the need for additional modules. This is a practical solution for drivers who want to maintain the factory electronics architecture while enjoying modern features.

Specifications and technical data

• SKU: A1718705594
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1718705594
• Substitutable numbers: A1718705594, A 171 870 55 94, A1694425460, A 169 442 54 60
• Category: Other Interior Parts & Accessories

Purpose and functionality of the head unit

The presented head unit was designed as the central element of the factory multimedia system in Mercedes vehicles. It integrates a radio, CD player, phone module, and a clear display into a single housing, which simplifies the installation architecture and facilitates diagnostics. As a result, the driver has access to key infotainment functions from a single, consistent interface.

Built-in phone support using Bluetooth connectivity allows for making calls while maintaining ergonomics and safety, all while preserving the factory look of the cockpit. The unit is adapted to work with original steering wheel controls and the vehicle's audio installation, which promotes stable operation of the entire system.

Benefits of using an original Mercedes radio

Using a factory multimedia unit instead of aftermarket solutions allows for maintaining the consistency of the vehicle's electronics and reduces the risk of conflicts with other modules. The original radio integrated with the vehicle system:

• ensures compatibility with the electrical installation and the vehicle's communication bus,
• maintains interior aesthetics in line with the manufacturer's design,
• facilitates service and diagnostics using factory tools,
• allows for the retention of steering wheel control functions and integration with the hands-free kit.

For users who want to recreate the factory configuration or restore full functionality of the audio system after a failure, such a unit is a particularly practical solution. Consistency with the original installation reduces the need for wiring modifications or the use of additional adapters.

Technical characteristics and vehicle integration

The discussed head unit belongs to the group of electronic components intended for factory installation in Mercedes vehicles. The radio design was developed with the intention of working with the vehicle's onboard systems, such as comfort controllers, communication modules, or factory sound systems. This makes it possible to maintain functions such as steering wheel control, information display on the screen, and integration with the factory microphone.

The device supports CD playback and radio signal, as well as phone communication via Bluetooth. The integrated display presents information about the currently playing source, connection status, and system settings, which facilitates daily operation. The unit is an OEM system component, meaning it was designed in accordance with the vehicle manufacturer's standards.

Product condition and service application

The radio is offered as an item from the group of used electronic components, making it an attractive alternative in the case of repairing or replacing a damaged unit in a vehicle. Such components are often chosen for post-warranty service when the priority is to maintain the factory configuration at reasonable operating costs.

The unit can be used both for standard replacement of a damaged radio and in projects restoring the vehicle to its original equipment specification. Relying on an original solution reduces the risk of compatibility issues and facilitates later updates and diagnostics at authorized service centers or specialized workshops.

Selection of other Mercedes multimedia components

If you are planning a comprehensive repair or upgrade of the multimedia zone in your Mercedes and need other elements from the same group, such as additional audio modules, factory displays, or control elements, check the available parts in the Other Mercedes category.

Technical knowledge and development of performance systems

The development of modern multimedia systems and onboard electronics in premium cars is closely linked to solutions used in high-performance models. For comparison, in sports vehicles, the integration of drivetrain, braking, and electronic systems plays a major role. If you are interested in how manufacturers differentiate equipment and parameters in high-performance versions, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses the design differences between standard and sports variants.