Looking for a dependable car radio for your Citroën or Peugeot? This Continental RD4 N1M-03 car radio is a perfect replacement unit compatible with Citroën models Berlingo, C3, C3 Picasso, C4, C4 Picasso, C8, as well as Peugeot 207, 307, 807, and Partner. It delivers excellent sound quality and reliable functionality to enhance every drive.

Note that after installation, the radio must be programmed to the vehicle using a diagnostic tool to ensure full compatibility and operational performance. It is highly recommended to have this procedure performed by a professional to properly integrate the radio into your car’s system.

Technical Information

• Manufacturer: Continental
• Model: RD4 N1M-03
• Product Codes: 98032842XT, 16112066XT
• Additional Numbers: Please verify that the product codes match your vehicle’s requirements before purchase.

This radio’s compatibility with multiple Citroën and Peugeot models makes it a practical choice for many drivers. Enjoy your favorite music, podcasts, or audiobooks with the clear and balanced sound this unit provides. Proper installation and diagnostic programming are essential to maintain warranty conditions and optimal performance.

Take advantage of this opportunity to equip your vehicle with a quality audio component at an affordable price. Sound quality and reliability are our top priorities, which is why we offer only tested and functional products. Join the many satisfied customers who have trusted our services.

The RD4 radio is specifically designed for integration with Citroën and Peugeot vehicles, guaranteeing compatibility and easy installation. During installation, the radio must be programmed using a diagnostic tool to ensure it operates correctly in your vehicle. Thanks to its compact dimensions and direct corresponding wiring, installation is quick and hassle-free.

Technical Information:
Manufacturer: BLAUPUNKT
Model: RD4 CD, compatible with Citroën Berlingo III, C2, C3, C4, C8, Peugeot 207, 307, 407, 807, and Partner III
Product Codes: 9664769977, 6564K3, 6564FJ, 657927, 1614201480
Additional Numbers: 9664769977

This used BLAUPUNKT car radio serves as an economical alternative to new expensive models without sacrificing quality and functionality. Rest assured that each product is thoroughly checked to ensure proper functionality. Enjoy music, podcasts, audiobooks, or radio broadcasts with the quality you can rely on.

Investing in our used BLAUPUNKT RD4 car radio for Citroën and Peugeot is the perfect solution for those seeking quality at a reasonable price. Experience excellent value for money and enjoy every journey to the fullest.

Original Blaupunkt RD4 N1 unit with integrated CD player designed as a direct OEM replacement for selected Citroën and Peugeot models. This unit preserves the factory fit and finish and is ideal for professional workshops and experienced DIY mechanics who need a reliable in-dash solution. When properly installed and coded, the radio restores original radio and CD functions while maintaining compatibility with the vehicle’s dashboard layout and wiring harnesses.

Technical Information

• Manufacturer: Blaupunkt
• Model: RD4 N1 (CD)
• Product Codes: 9650711477, 657927, 1614201480
• Additional Numbers: 1614201480 | 657927 | 9650711477
• Compatible Models: Citroën Berlingo III, Citroën C2, Citroën C3 (including C3 Pluriel), Citroën C4, Citroën C8, Peugeot 207, Peugeot 307, Peugeot 407, Peugeot 807, Peugeot Partner III

Installation Recommendations

• Disconnect Battery Before Work: Always disconnect the vehicle battery before removing or installing the radio to avoid electrical damage and airbag/system faults.
• Use Proper Removal Tools: Use manufacturer-style radio keys or trim tools to avoid damaging dash trim and retaining clips.
• Preserve Connectors: Carefully unplug antenna, power, speaker and CAN/steering-wheel-control connectors. Inspect locking tabs and pins for corrosion or damage.
• Coding Requirement: This unit Requires Coding/Pairing To The Vehicle With A Diagnostic Tool. Coding Is Required To Restore Radio Function And To Remove Anti-Theft Lock. Common Tools: DiagBox / Lexia / PP2000 Or Equivalent PSA Diagnostic Equipment. Coding Is Recommended To Be Performed By A Technician With Appropriate Service Equipment.
• Firmware And Compatibility: After installation, verify radio firmware and vehicle settings. Some functions (e.g., steering wheel controls, display language, clock) may require software configuration.

How To Replace

1. Disconnect The Negative Battery Terminal.
2. Remove Dashboard Trim Panels With Plastic Pry Tools To Access Radio Fasteners.
3. Unscrew/Release Radio Mounting Brackets And Slide The Unit Out Carefully.
4. Unplug Antenna, Power Harness, Speaker Plugs And Any Data/Can Connectors.
5. Fit The Replacement Unit, Reconnect All Plugs And Antenna, Then Temporarily Reconnect Battery To Check Power-Up.
6. Perform Required Coding/Pairing With Diagnostic Tool To Authorize The Radio To The Vehicle.
7. Reassemble Trim Panels And Verify All Functions (Radio, CD, Clock, Steering Controls Where Applicable).

Why It Commonly Fails

• Mechanical Wear Of The CD Mechanism And Laser Assembly Causing Read Errors Or Failure To Load Discs.
• Moisture Ingress Or Condensation Leading To Corrosion Of Internal Contacts Or Connectors.
• Electrical Issues Such As Blown Fuses, Poor Grounding Or Intermittent Power Supply Affecting Unit Operation.
• Connector Corrosion Or Broken Wiring At The Back Of The Unit, Especially In Older Vehicles.
• Anti-Theft Locking/Radio Coding Problems After Battery Replacement Or Unit Swap, Requiring Diagnostic Reprogramming.

Choose this Blaupunkt RD4 N1 unit for a factory-fit replacement that restores CD playback and factory-style operation. Suitable for professional installation and for experienced DIYers prepared to perform the necessary coding with proper diagnostic equipment.

High-quality replacement RD4 CD/MP3 head unit compatible with a wide range of Citroën and Peugeot models. This Continental-made RD4N1M-02 unit offers reliable CD playback, MP3 compatibility and the original OE fitment for dashboards designed for RD4 series radios. Because The Unit Requires Diagnostic Coding To The Car, It Is Ideal For Professional Workshops And Experienced DIYers Who Have Access To PSA Diagnostic Tools. Commonly Searched By Part Number (96646223XT / 1607757480), This Radio Is A Direct Fit For Many PSA Group Vehicles And Restores OEM Functionality When Correctly Installed And Programmed.

Technical Information

• Manufacturer: Continental
• Model: RD4N1M-02 (RD4 CD With MP3)
• Product Codes: 96646223XT
• Additional Numbers: 00 1607757480, 657923, 657924
• Applications: Citroën Berlingo, Citroën C2, Citroën C3 (I), Citroën C3 Picasso, Citroën C4, Citroën C4 Picasso, Citroën C8, Peugeot 207, Peugeot 307 II, Peugeot 807, Peugeot Partner Tepee / Berlingo III / Partner III

Features And Benefits

Original-style RD4 Interface: Preserves Dashboard Appearance And Controls. CD Playback With MP3 Support: Suitable For Audio Collections On Disc Or Burned MP3 CDs. OEM Connectors And Antenna Fitment: Direct Replacement With Minimal Modifications. Ideal For Restoring Factory Functionality In PSA Vehicles Where The Original Head Unit Is Faulty Or Missing.

Installation Recommendations

• Disconnect The Battery Before Starting Work And Observe Manufacturer Procedures To Prevent Electrical Damage.
• Remove Trim Panels Carefully To Avoid Breaking Clips; Use Proper Trim Tools.
• Unscrew The Radio Brackets, Disconnect The Antenna, Power, Speaker, And Any Steering-Control Or CAN/Bus Connectors.
• Install The Unit Physically, Reconnect All Plugs Securely And Test Basic Power Functions Before Reassembling Trim.
• Coding Required: The Radio Must Be Programmed To The Vehicle With PSA Diagnostic Tools (DiagBox/Lexia/PP2000) Or Equivalent To Enable Full Functionality. Programming Should Be Performed By A Technician Familiar With PSA Systems.

Why The Part Fails Most Often

• Wear Of Mechanical CD Mechanism: Frequent Disc Use Or Aged Internal Motors/Belts Cause Read Errors Or Failure To Accept Discs.
• Electrical Issues: Blown Fuses, Poor Ground, Or Corroded Connectors Lead To Intermittent Power Loss.
• Connector Corrosion Or Water Ingress: Moisture In The Dashboard Area Can Damage Internal Electronics.
• Software Or Coding Mismatch: A Unit That Is Not Coded Or Incorrectly Programmed Will Not Communicate Properly With Vehicle Systems.
• Overheating And Ageing Components: Capacitor Failure Or Heat-Related Damage Can Cause Audio Dropouts Or Complete Unit Failure.

This RD4 Radio Is Frequently Located By Its Part Numbers When Sourcing Replacements. Ensure Proper Diagnostic Coding After Installation To Restore Full Integration With Steering Controls, Display Outputs And Vehicle Audio Settings.

This genuine Stellantis navigation and radio controller (OE references 1489677077 / 6563S1) is designed to operate the vehicle infotainment interface in Citroën C8 and Peugeot 807 models. It manages audio sources, navigation input, user menus and communicates with the vehicle CAN network to display system information and accept commands from steering‑wheel controls and dashboard switches.

Technical information

Manufacturer: Stellantis
Model: Citroën C8, Peugeot 807
Product Codes: 1489677077, 6563S1
Additional Numbers: No additional reference numbers available

Function and compatibility

The unit combines navigation, radio tuner and onboard system control in a single module. It handles audio playback, FM/AM reception, navigation route guidance (where fitted) and provides the user interface for vehicle settings. Integration with vehicle electrical systems is via standard connectors and the CAN bus; compatibility should be verified against listed model years and equipment levels where applicable.

Common failure modes and expected lifetime

Infotainment controllers of this generation typically remain serviceable for many years but can fail due to age and environmental factors. The most frequent causes of malfunction are overheating, capacitor or solder joint degradation, moisture ingress, connector corrosion and intermittent contacts on ribbon cables or plug connectors. Symptoms include loss of display, no audio, frozen menus, intermittent power or failure of navigation/GPS functions. Failures often appear after 10+ years in service, depending on usage and vehicle conditions.

Replacement procedure (overview)

Recommended for professional fitters or experienced DIY mechanics. Typical replacement steps:

• Disconnect the negative battery terminal before any work to prevent electrical damage and airbag/ECU faults.
• Remove trim panels using plastic trim tools to avoid damage to the dashboard fascia.
• Unscrew and slide out the existing head unit; retain mounting screws and brackets for reuse if required.
• Carefully unplug all electrical connectors and any antenna or GPS leads. Inspect connectors for corrosion or bent pins.
• Fit the replacement unit, reconnect all plugs and antennas, secure with original screws and reassemble trim.
• Reconnect the battery and verify operation of radio, navigation and steering‑wheel controls. Some features may require configuration or checking in the vehicle settings menu.

Installation recommendations

Use appropriate trim tools and the correct Torx or hex bit sizes for fasteners. Always disconnect the battery before removal and follow the vehicle manufacturer’s torque and reassembly guidance. Inspect connectors and wiring for damage while the unit is accessible and clean contacts if necessary. If the unit supports external antennas (GPS or diversity), ensure connections are tight and routed away from sharp edges.

Why this part most commonly fails

Failures are typically caused by long‑term thermal stress, moisture exposure and wear of internal electronic components (electrolytic capacitors, solder joints). Poor electrical supply events (voltage spikes) and connector corrosion also accelerate failure. Physical damage from improper removal or reinstallation is another common cause—careful handling and correct tools reduce this risk.

Notes

This listing includes the OEM references 1489677077 and 6563S1 used to search for compatibility. For vehicles with factory options or later trim variants, ensure the part number matches the unit being replaced.

Product Overview

This original-style Blaupunkt RD4 T5 N1 CD radio is a direct-fit multimedia unit for many Citroën and Peugeot models. Designed for workshop use and competent DIY mechanics, the unit retains factory integration for steering wheel controls, display compatibility and vehicle CAN-bus communication. Key search terms: Citroën radio, Peugeot RD4, RD4 T5 N1, 9659139977, 1614201480, car radio with CD, DiagBox coding.

Technical Information

• Manufacturer: Blaupunkt
• Model: RD4 T5 N1 (CD Radio)
• Product Codes: 9659139977, 1614201480
• Other Numbers: 6564K3, 6564FJ, 657927

Compatible Models

Fits a range of PSA vehicles including but not limited to:

• Citroën C2
• Citroën C3 (I) and C3 Picasso
• Citroën C4
• Citroën C8
• Citroën Berlingo III
• Peugeot 207
• Peugeot 307 II
• Peugeot 807
• Peugeot Partner Tepee / Partner III

How To Replace

1. Disconnect the negative battery terminal before starting to avoid short circuits and preserve vehicle electronics.
2. Remove surrounding trim panels carefully with plastic trim tools to access radio mounting bolts or retention clips.
3. Use appropriate radio removal keys or unscrew mounting bolts, then slide the unit out to reach rear connectors.
4. Disconnect antenna, power, speaker and CAN/vehicle harness connectors. Inspect plugs for corrosion or damaged pins.
5. Fit the replacement radio by reversing removal steps. Secure the unit, reconnect harnesses and antenna, and replace trim.
6. Power up and perform required diagnostic coding to enable full integration (see next section).

Installation Recommendations

• Always Disconnect The Battery Before Removal Or Installation.
• Protect Interior Trim Using Soft Tools To Avoid Scratches.
• Check Wiring And Connectors For Corrosion Or Bent Pins Before Reconnection.
• Use Official PSA Diagnostic Software (DiagBox/PP2000) Or Equivalent To Complete Coding And Activation.
• If Steering Wheel Controls Or Display Don’t Work After Fitment, Re-check Coding And Bus Connections.

Reason Why This Part Fails Most Often

Common failure modes for RD4 series radios include mechanical wear of the CD mechanism and laser, intermittent contacts or broken solder joints on the internal PCB, damage from voltage spikes or poor battery disconnection during vehicle work, and connector corrosion from moisture. In many cases faults present as refusal to read discs, loss of audio on one or more channels, missing display information or failure to power up.

Practical Tips For Mechanics And DIYers

• Test Unit Operation On The Bench With A 12V Supply Before Final Fitment To Isolate Vehicle Wiring Issues.
• When Replacing, Keep Original Mounting Hardware And Brackets To Ensure Correct Fit.
• If The CD Mechanism Is Faulty, Consider Replacing The Unit Rather Than Repairing The Mechanism In The Workshop Unless You Have Specific Spare Parts.
• Store Removed Units In A Dry, Static-Free Environment While Awaiting Diagnostics Or Coding.

Note About Coding

This radio requires diagnostic coding to the vehicle to restore full functionality. Coding is performed with PSA diagnostic equipment to pair the unit with the vehicle network and enable features such as steering wheel control and display messages. If you are performing the replacement yourself, ensure you have access to appropriate diagnostic software and follow manufacturer procedures for activation.

• 207
• 307 II
• 807
• Berlingo III Partner III
• C2
• C3 I
• C4
• C8

The installation of this radio requires pairing through diagnostic tools, ensuring compatibility with your vehicle’s systems. It offers modern connectivity, allowing you to enjoy your favorite music seamlessly via USB or Bluetooth.

This model is known for its durability and sound quality, but like all electronic components, it can experience issues over time. Regular usage and environmental factors can lead to wear and tear, especially if the unit is exposed to extreme temperatures or moisture.

Technical Information

• Manufacturer: Continental
• Model: RD45 T88
• Product Codes: 98145511ZD
• Additional Numbers: 98145511