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HouYeen Headlight Ballast Control Unit Review: Will it fix C‑Class xenon headlight faults?

HouYeen Xenon Headlight Ballast Control Unit ECU Module for Merc-edes C Class W205 S205 A205 C205 C180 C200 C220 C250 C300 C350
4.7
[OE Reference Numbers]  Multiple OE numbers (e.g., A2059005010) for accurate identification and assured compatibility.
[Vehicle Compatibility]  Compatible with Mercedes C-Class (W205/S205, A205/C205) and AMG models, covering 2014–2023 model years.
[Direct Replacement Unit]  1x headlight ballast control module; designed as a direct replacement for factory units.
[Restores Headlight Performance]  Reestablishes stable HID/xenon ballast control for reliable brightness and beam consistency.
[OE-Grade Quality]  Meets OE standards for dependable fit, function, and long-term reliability.
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Automotive headlight replacement aimed at restoring xenon lighting reliability and clearing DRL/headlight fault codes. For Mercedes C‑Class owners, HouYeen Headlight Ballast Control Unit promises a direct-fit repair that avoids dealer visits. Is it the right repair for 2014–2023 C‑Class models?

⚡ At a Glance
  • Light Control: OE reference numbers listed for direct-fit replacement of xenon ballast control, aimed at resolving headlight and DRL errors
  • Best for: Owners of Mercedes‑Benz C‑Class (W205/S205/A205/C205) needing a replacement ballast module
  • Not ideal for: Vehicles outside the stated Mercedes fitment years or non-xenon headlight systems

Aftermarket ballast module matching multiple Mercedes OE reference numbers. Supplied as a single headlight ballast control module for direct replacement.


Straightforward installation – thanks to OE-compatible reference fitment

Listed OE reference numbers (for example 2059005010 and related codes) align the unit with Mercedes replacement part identifiers. User reports indicate plug-and-play fit without adapter parts in many cases.

Quick replacement for compatible C‑Class headlights, reducing workshop time. Ideal for owners wanting a straightforward swap that restores lamp control.

Clears DRL and headlight fault codes – with matching ballast control electronics

Reference numbers correspond to the original ballast control modules used by Mercedes, allowing the module to communicate with vehicle headlight systems. Multiple user accounts mention the elimination of DRL and headlight error messages after fitment.

Practical remedy when dashboards show xenon or DRL faults, restoring normal light function. Useful for resolving fault codes without dealer diagnostics in many cases.

Wide model coverage – with explicit fitment for 2014–2023 Mercedes C‑Class variants

Product descriptions list compatibility with Mercedes C‑Class W205, S205, A205 and C205 variants, including AMG trims where applicable. Fitment is stated across model years 2014 to 2023.

Suitable for a broad range of C‑Class vehicles within the listed years, making it a convenient option for owners of slightly older models. Check OE numbers and model codes before ordering to confirm fit.

✨ The 4 Key Reasons for HouYeen Headlight Ballast Control Unit
  1. OE Reference Match – Ensures compatibility with original Mercedes electrical connections and fitment
  2. Plug-and-play Installation – Users report no coding or adaptation required during replacement
  3. Resolves Fault Codes – Restores DRL and headlight operation, clearing related error messages promptly
  4. Cost-effective Alternative – Cheaper than dealer replacement while restoring lighting functionality
📋 Technical Details at a Glance
  • Category: Automotive Parts and Accessories
  • Brand: HouYeen
  • Product ID: B0BXRN91VC
  • Function: Headlight Ballast Control Unit / ECU Module
  • Compatibility: Mercedes‑Benz C‑Class W205, S205, A205, C205 (including AMG variants listed)
❓ Frequently Asked Questions

Q: Will this fit my Mercedes C‑Class W205?

A: Compatibility is stated for Mercedes‑Benz C‑Class W205, S205, A205 and C205 variants across 2014–2023. Confirm fit by checking the vehicle model code and the listed OE reference numbers.

Q: Does installation require coding or dealer adaptation?

A: Users report plug-and-play installation with no coding or adaptation needed in many cases. Individual vehicle setups may vary, so have basic diagnostic capability available if required.

Q: Is this an OEM unit or an aftermarket replacement?

A: Descriptions and user feedback identify the item as an aftermarket replacement that matches specific OE reference numbers rather than a genuine Mercedes OEM-labelled unit.

🏆 Our Verdict

The HouYeen Headlight Ballast Control Unit suits Mercedes C‑Class owners who need a direct replacement for xenon headlight control and want to clear related DRL or lamp fault codes. Matching OE reference numbers and user reports of plug-and-play installation make it a practical, cost-effective alternative to dealer replacement. For long-term value, confirm exact OE compatibility and proper installation before fitting.