Mercedes Benz S-Class W221 Facelift Headlight Retrofit

Quick demonstration video of the LED DRLs and turn signals with the facelift (2010 ) W221 head lights which were retrofitted onto a pre-facelift vehicle. Retrofit was plug and play, utilizing OEM connectors and wiring harnesses. Requires a facelift SAM module and reprogramming to function properly. Installed by Sonic MS.