LED Headlight Voltage Regulator Module A2228700789 for Mercedes-Benz C, E, CLS, GLE, GLS, S (2012-2019)

New LED headlight ballast / voltage regulator module for Mercedes-Benz, a direct replacement for Mercedes / Continental A2228700789 (A2C73624405), for 2012-2019 C-Class, E-Class, CLS, GLE, GLS and S-Class models with factory LED headlights. Replacement unit for Mercedes-Benz, not a Genuine Mercedes-Benz part. Free shipping to the lower 48.

Fix a Dark or Flickering LED Headlight

This module regulates power to the factory LED headlight. When it fails the headlight can go dark, flicker or set a lighting fault. Replacing just the module costs far less than a complete LED headlamp.

Fits

Fits vehicles with the factory LED headlamp. Match the part number on your old module before ordering.

OEM / Interchange Part Numbers

• A2228700789 / A 222 870 07 89
• Continental A2C73624405
• 222 870 07 89 80

Common Signs of a Failed Module

• LED headlight dark on one side
• Headlight flickers or works intermittently
• Headlight or lighting fault message on the dash
• LED light pattern dims or cuts out

Specs

• Brand: replacement for Mercedes-Benz (not Genuine OEM)
• Lighting technology: LED
• Placement: front left or right headlight
• Sold as one unit, new
• Seller warranty: 2 years

What's Included

• 1 x LED headlight voltage regulator module A2228700789 (replacement)

Installation

1. Switch the lights and ignition off and disconnect the negative battery cable.
2. On these Mercedes-Benz models the module is mounted to the back or underside of the LED headlamp housing. The front bumper cover is usually removed to unbolt and pull the headlamp forward.
3. Unplug the headlamp connector, set the headlamp on a soft surface and unplug the module.
4. Remove the screws holding the module and lift the old unit off. Compare its part number to the numbers above.
5. Fit the new module, refit its screws and lock every connector fully. The seller lists it as a direct replacement with no modification needed.
6. Reinstall the headlamp and trim, reconnect the battery and test every headlight function. If a lighting fault stays stored, clear it with a scan tool that supports your vehicle.

FAQ

Is this a Genuine Mercedes-Benz part?
No. It is a new replacement built to fit in place of Mercedes / Continental A2228700789.

Does it fit halogen or xenon models?
No. It is for models factory equipped with LED headlights. Match the part number on your old module.

Is shipping free?
Yes, shipping is free to the lower 48 US states.