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.

The device supports both CD and MP3 formats, ensuring compatibility with a wide range of music media. Installation requires vehicle diagnostics to properly pair the radio with your car’s electronic system, guaranteeing seamless integration and functionality.

Technical Information:

Manufacturer: Continental
Model: RD4N1M-03
Product Codes: 96662670XT, 1607757480
Additional Numbers: 657923, 657924, 6574LY

This car radio is compatible with numerous Citroën and Peugeot models, including Citroën Berlingo, C3, C4, C4 Picasso, C8, and Peugeot 207, 307, 807. Such wide compatibility makes it a versatile replacement part for your vehicle. Installation is straightforward but requires technical knowledge and proper diagnostic tools; therefore, professional installation is recommended.

Choosing this car radio provides an excellent balance of cost and performance, ensuring long-lasting reliability. Common reasons for replacement include upgrading outdated audio systems, resolving malfunctions in older units, or simply enhancing the in-car audio experience. This product is designed to meet high standards of reliability and durability to maintain your satisfaction.

Featuring MP3 playback capabilities, this unit allows you to enjoy your favorite music on the go. The radio is manufactured by BOSCH and requires pairing with the vehicle via diagnostics for optimal use. Ensure your vehicle’s audio system is up to date and ready to enjoy your journeys with high-quality sound.

Technical Information

• Manufacturer: BOSCH
• Model: RD4 CD
• Product Codes: 96662670XT, 9666967777, 657923, 657924, 1607757480, 6579FG
• Additional Numbers: 9666967777, 6579FG

This car radio unit may require replacement due to wear over time, especially if exposed to extreme temperatures or frequent use. Regular maintenance is recommended to extend its lifespan and functionality, ensuring you enjoy uninterrupted audio entertainment while driving.