<div> <h1>Left DRL Lamp Tube for MERCEDES-BENZ GLA-CLASS X156 (2017-2019) 1 Pc Per Headlight</h1> <p>A replacement daytime running light (DRL) light-guide for the headlight, reproducing the even daytime line the original strip once gave. Heat and time leave the factory guide foggy or cracked and the daytime signature uneven; a fresh guide recovers the original look without touching the rest of the headlight.</p> <p><strong>Features</strong></p> <ul> <li>Direct replacement that reproduces the original DRL line</li> <li>Even, clear light spread that matches the factory daytime signature</li> <li>Made to factory dimensions for a precise, no-modification fit</li> </ul> <p><strong>Fitment &amp; Care</strong></p> <p>Installation involves opening and resealing the headlight to swap the guide, so it is best carried out by a qualified technician. It reuses the original LED, needs no coding, and asks only that the lens is kept clean. This covers one headlight; order the opposite side for a complete pair.</p> </div>