OEM Xenon HID Headlight Ballast Control Unit – A1669002800

Restore your Mercedes-Benz headlights to full brightness with this genuine OEM Xenon HID Ballast (Part No. A1669002800). Designed to deliver stable voltage and quick ignition for HID bulbs, this high-quality control unit ensures consistent illumination, improved night visibility, and long-lasting performance.

Manufactured to Mercedes-Benz factory specifications, this ballast offers a perfect plug-and-play replacement for your original unit — no coding or modifications required. Built from durable aluminum for superior heat and moisture resistance, it’s engineered for dependable, long-term use.

Features:

• Genuine OEM Replacement – A1669002800

• Compatible with Xenon/HID headlight systems

• Restores full brightness and prevents flickering

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

• Durable aluminum casing for heat and water protection

• Meets or exceeds factory performance standards

Compatible With (varies by year/model):

• Mercedes-Benz: ML-Class (W166), GL-Class (X166), GLE, GLS, and other models equipped with A1669002800
  (Confirm your part number and headlight type before purchase)

Specifications:

• Part Number: A1669002800

• Voltage: 12V

• Type: HID/Xenon Ballast Control Unit

• Material: Aluminum Alloy

• Condition: New / OEM-Quality Replacement

Common Symptoms of a Faulty Ballast:

• HID bulb flickers or fails to turn on

• One headlight dimmer than the other

• Headlight turns off after a few seconds

Upgrade your lighting performance with the OEM Mercedes-Benz Xenon HID Ballast A1669002800 — trusted by drivers for perfect fitment, reliable operation, and factory-grade illumination.