Mercantile Bank Of Michigan Address: 145 Main St, Sunfield, MI 48890 Phone: (517) 566-8025 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Banks Other Businesses: Allen Tool at 110 Jackson St, Sunfield, MI 48890 Sunfield Coffee Co at 132 Main St, Sunfield, MI 48890