<div> <h1>Right Side LED Headlight Ballast for MERCEDES-BENZ GLC W253 (2015-2023) Control Module</h1> <p>This LED headlight ballast is the control module that powers and regulates the LED headlight assembly. It is a like-for-like replacement for a failed factory unit, restoring steady, full-brightness output.</p> <p><strong>Features</strong></p> <ul> <li>OEM-grade control module built to the original electrical specification</li> <li>Direct replacement for the failed factory unit</li> <li>Steady, flicker-free output for safe night driving</li> </ul> <p><strong>Specifications</strong></p> <p><strong>OEM Numbers:</strong> A2539066600, 2539066600</p> <p><strong>Side:</strong> Right</p> <p><strong>Fitment &amp; Care</strong></p> <p>Fits the original ballast location and connects to the existing headlight wiring. We recommend fitting by a qualified auto-electrician, as some applications may require coding or programming to the vehicle. Supplied as a single ballast unit. No routine maintenance required.</p> </div>