The Mercedes 380 420 SL Chain Guide Rail 1160521716 M116 10411 is a high-quality guide rail produced by febi bilstein. Designed specifically for Mercedes vehicles, this guide rail helps ensure proper chain tension and performance in the engine. With manufacturer part number 10411 and reference OE/OEM numbers A1160521716 and 1160521716, this product is a reliable and essential component for maintaining the engine of your Mercedes vehicle.