Mercedes Benz E320 Water Pump Replace/Remove

I Am Told I Need A New Water Pump, And Hose...that Hose Is Leaking, And Must Be Replaced With Water Pump For $1,000 Dollars...i Am Broke......

My Temp Gauge Came On And I Filled The Car To Level Drove To Work Short Way. 16 Mile Round Trip And Leaked A Little Both Times, Bottom Area...