OEM Xenon HID Headlight Ballast Control Unit – A2129005424

Restore your Mercedes-Benz’s lighting performance with this genuine OEM Xenon HID Headlight Ballast (Part No. A2129005424). This high-quality control unit regulates voltage to your HID bulbs, ensuring stable illumination, fast ignition, and consistent brightness for safer night driving.

Engineered to Mercedes-Benz factory standards, the A2129005424 ballast is a direct plug-and-play replacement — no coding or modification required. Its robust aluminium housing protects against heat, water, and vibration, providing long-lasting durability and dependable operation in all conditions.

Features:

• Genuine OEM Replacement – A2129005424

• Designed for HID/Xenon headlight systems

• Ensures stable voltage and bright illumination

• Plug-and-play installation (no coding required)

• Durable aluminium casing for maximum heat and moisture protection

• Meets or exceeds Mercedes-Benz factory performance standards

Compatible With (varies by model/year):

• Mercedes-Benz: E-Class (W212), CLS-Class (W218), and other models with HID/Xenon headlights
  (Confirm part number and compatibility before purchase)

Specifications:

• Part Number: A2129005424

• Voltage: 12V

• Type: HID/Xenon Headlight Ballast Control Unit

• Material: Aluminium Alloy

• Condition: New / OEM-Quality Replacement

Common Signs of Ballast Failure:

• HID bulb flickers or fails to ignite

• Headlight switches off after a few seconds

• Dim or uneven light output

Upgrade your lighting reliability and visibility with the OEM Mercedes-Benz Xenon HID Ballast A2129005424 — precision-engineered for perfect fitment, factory performance, and long-term dependability.