Mercury - VesselView Mobile Module SmartCraft Bluetooth Interface Single Engine Under-Cowl Mount 98-8M0173704. Overview. The Mercury VesselView Mobile (98-8M0173704) is a simple, under-cowl Bluetooth module that connects your single Mercury engine to your smartphone or tablet. Once installed, it feeds real-time SmartCraft data straight to the VesselView Mobile app - no extra screens, wiring, or clutter. You'll be able to see engine RPM, fuel flow, temperature, voltage, engine hours, and diagnost