Mercedes Benz C300 Fuel System

I Have Had This Car For About 4 Years. Maybe A Month Ago It Started To Stall/stop Or Sound Full When I Put Any Gas Into The Tank, Even If It...

My Secondary Air Injection Pump Failed 2 Weeks Ago, And I Replaced It With A Brand-new Oem One From Fcp Euro. The Pump Will Not Turn On...

I Accidentally Put In Regular Gas. A Full Tank And I Am Hoping It Doesn't Mess Up My Engine. Will I Be Okay By Running It Out Or Do I Need...