Description
Car Radio With CD For Citroën Vehicles Citroën C4 B7. Tested – Functional.
Overview
Original equipment (OE) car radio with integrated CD player designed for Citroën C4 II (C4 B7) vehicles. This unit is an ideal replacement for workshops and DIY enthusiasts looking for a direct-fit head unit that restores factory audio functionality. Common search keywords and part numbers: 9676838180, 6574SQ, 1613842580.
Function And Benefits
The unit provides standard radio reception and a built-in CD player compatible with factory wiring and dashboard trim of Citroën C4 II. As an OE-style radio, it preserves original dashboard appearance, steering-wheel control compatibility (where fitted), and speaker connections without the need for extensive rewiring. Replacing a faulty radio with this unit returns audio and media playback to factory specifications.
Replacement Procedure
- Disconnect The Battery Before Starting To Avoid Short Circuits And Protect Vehicle Electronics.
- Remove Dashboard Trim Panels Surrounding The Radio Using Appropriate Trim Tools To Prevent Damage.
- Unscrew The Radio Fasteners And Carefully Slide The Unit Out Of The Dash.
- Unplug All Connectors: Power, Speakers, Antenna, And Any Data Or CAN Connectors.
- Connect The Replacement Unit, Refit Fasteners And Trim, Then Reconnect The Battery.
- After Reinstallation, Enter Any Required Radio Security Code If Prompted And Verify Operation Of Radio, CD Player, Antenna Reception, And Steering Controls.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën C4 II (C4 B7)
- Product Codes: 9676838180, 6574SQ
- Other Numbers: 1613842580
Installation Recommendations
Always disconnect the battery before removal and follow the vehicle manufacturer’s instructions to avoid damage to the unit or vehicle electronics. Use plastic trim tools to protect interior panels. Check connectors for corrosion or bent pins and ensure firm mating of harness plugs. If the radio requests a security code after battery disconnection, have the vehicle’s radio code available. Test all functions (radio, CD playback, antenna reception, steering-wheel controls) before reassembling trim. For complex electrical systems or if additional coding is required, use qualified workshop equipment.
Why This Part Fails Most Often
Common causes of failure include mechanical wear of the CD mechanism, laser pickup degradation, internal capacitor aging due to heat, connector corrosion, or water ingress from leaks. Intermittent power issues can result from poor connector contacts or vehicle battery/charging system faults. Regular exposure to high cabin temperatures accelerates electronic component wear, making older units more prone to CD read errors, loss of radio reception, or complete unit failure.
Suitability And Notes
This unit is intended for Citroën C4 II (C4 B7) applications matching the listed product codes. Buyers often search by part number (9676838180, 6574SQ, 1613842580) to confirm fitment. Installation is straightforward for experienced mechanics and competent DIYers familiar with dashboard disassembly. Keep a clean work area and protect interior surfaces during the swap.
