MERCEDES BENZ ENGINE NOT RUNNING

Key Fob Does Not Start Car Nor Unlocked Doors, Locked Doors, Or Trunk. When I Put Key Fob In Ignition It Only Turns On About A Quarter...

If I Start The Car, It Runs Fine. Turn It Off And It Will Not Start Again For An Hour Or The Next Day. If I Jumpstart The Car It Will Start...

Found No Power To Fuel Pump. Check And Found Relay Not Getting Power To Activate. The Constant Power Is There. If I Jump Pins The Pump Turns...

I've Changed The Ignition Switch And Got A New Key. The Previous Keys And Switch Stopped Working. The Key Fob Turns, And Dashboard...