Mercury - VesselView Mobile Module SmartCraft Bluetooth Interface Dual Engine Under-Helm Mount 98-8M0173696. Overview. The Mercury VesselView Mobile (8M0173696) lets you monitor both engines right from your phone or tablet - no extra displays or wiring cluttering up your dash. This version is built for dual-engine boats and installs neatly under the helm, keeping it safe, dry, and out of sight. Once connected, it sends real-time SmartCraft data straight to the VesselView Mobile app over Bluetoot