Mercury - Steering Failure Decal Safety & Warning Series Marine-Grade Adhesive 8M0185159. Overview. If you've spent enough time on the water, you know that even the strongest engines rely on the smallest details to keep you safe. A simple decal may not seem like much, but when you're running a powerful V12 and conditions get unpredictable, every reminder matters. The Mercury Steering Failure Decal 8M0185159 brings that reassuring sense of order-clear, bold information right where you need it, so