Mercury - Spotless Shine Premium Multi-Surface Detailer High-Gloss Finish 8M0170561. Overview. If you spend enough time on the water, you start to notice the little things-tiny salt rings on your cowling, faint mineral marks after a long day on the lake, fingerprints on the helm from gear and sunscreen. It's all part of the rhythm of boating, but it doesn't mean you have to live with it. Mercury All-in-One Spotless Shine 8M0170561 gives you that quick, reassuring way to bring your boat or outboa