Technical Information:
Manufacturer: CONTINENTAL SIEMENS VDO
Model: RD4N1M CD with MP3
Product Codes: 96643698XT 02, 96643698XT 01
Additional Numbers: 657919, 657920, 16077504XT

Thanks to its robust construction and previous usage, this car radio represents a reliable and cost-effective component for your vehicle. Additionally, installation involves a standard replacement; however, it is important to note that the radio needs to be programmed to the vehicle using diagnostic tools. This step ensures that the functionalities of the radio are fully compatible with the other systems in your vehicle. Buyers should anticipate that professional installation by an auto technician may be necessary for proper setup.

This car radio not only provides the audio performance expected from premium automotive parts, but also adds the value of MP3 functionality, allowing users to enjoy a wider array of music formats while driving. It is ideal for vehicle owners seeking a combination of modern technology with the assurance that the part is fully functional and proven in regular use.

As can be easily recognized, this product, with a wide application in various Citroën and Peugeot models, is the perfect solution for anyone looking for a reliable car radio with CD and MP3 playback capabilities. This unit blends functionality, technology, and compatibility, making it an outstanding option for renewing your vehicle.

This Continental RD4N1M CD player with MP3 playback is a direct-fit audio unit for a range of Citroën and Peugeot vehicles. It provides factory-style radio and CD functionality with MP3 support and is often identified under PSA part numbers such as 96627394XT and 6564ZG. The unit is suitable for professional workshops and competent DIYers looking for an OEM-compatible replacement.

Key Features

• CD player with MP3 playback support for compressed audio files.
• Built to PSA/Continental OEM specifications for direct fit in many Citroën and Peugeot dashboards.
• Maintains vehicle radio functions and integrates with existing wiring harnesses when properly installed.
• Usually requires diagnostic coding or pairing to the vehicle security/immobiliser system before full operation.

Compatibility

Designed to fit a range of PSA vehicles. Common compatible models include:

• Citroën: Berlingo III, C2, C3 (early models), C4, C8
• Peugeot: 207, 307 (Mk2), 407, 807, Partner III

Always verify fitment with VIN and part numbers before purchase; some variants of RD4 units differ by connector or feature set.

Installation And Replacement

Replacement is straightforward for experienced technicians. Typical steps:

1. Disconnect the vehicle battery to avoid short circuits and SRS issues.
2. Remove surrounding trim panels and unscrew the radio from the dash cage using appropriate tools.
3. Unplug all harness connectors and any antenna leads. Inspect connectors for corrosion or damage.
4. Fit the replacement unit, reconnect the connectors, and secure the radio in the dash.
5. Reconnect the battery and perform diagnostic pairing/coding using a suitable PSA diagnostic tool to enable full functionality and deactivate security locks.
6. Test radio, CD playback and, where applicable, steering wheel control integration and RDS functions.

Common Faults And Service Tips

Electromechanical and wear-related faults are typical over long service life. Common issues include:

• CD read errors or failure of the loading mechanism due to worn laser or transport components.
• Intermittent power or audio loss caused by connector issues or internal capacitor deterioration.
• Loss of functionality until the unit is correctly coded to the vehicle after replacement.

If the unit shows power but no audio, check speaker outputs and vehicle amplifier connections before replacing the radio. Diagnostic tools will indicate communications and coding status.

Technical Information

• Manufacturer: Continental
• Model: RD4N1M / RD4 (Continental RD4N1M series)
• Product Codes: 96627394XT, 6564ZG
• Additional Numbers: 96643698XT, 657919, 657920, 16077504XT

Notes For Buyers

Unit requires diagnostic pairing to the vehicle; most garages or dealerships can perform this step. Verify the exact part number and connector type against your vehicle before ordering to ensure fitment. This radio is intended as a functional OEM-style replacement for PSA vehicles listed above.