Mercury - VesselView Mobile Module SmartCraft Bluetooth Interface Triple+ Engine Under-Helm Mount 98-8M0173703. Overview. The Mercury VesselView Mobile (98-8M0173703) makes it easy to keep tabs on three or more engines without adding clutter to your dash. This version is built for multi-engine boats - triple, quad, or larger SmartCraft setups - and mounts neatly under the helm, safe and dry. Once connected, it sends live engine data over Bluetooth straight to the VesselView Mobile app, giving yo