Mercury - Maintenance Schedule Decal SeaPro V6 Series OEM Adhesive Label 8M0148534. Overview. There's something reassuring about glancing at your engine and seeing everything you need to stay on schedule, right there where you need it. That simple moment-whether you're prepping for a long run offshore or just flushing the motor at the dock-brings a kind of quiet confidence. With the Mercury Maintenance Schedule Decal 8M0148534, that feeling comes standard. It's the same decal Mercury installs at