BenzC200

Hi all, i have a 2004 c200 Cdi. I was recently driving at approximately 100mph, i then put the gear into neutral(manual) then the car just starting revving by itself. I then pulled over but the car still was revving (alot of smoke coming out from exhaust and some from the engine)by itself even thought i removed the key from the ignition and i turned the car off, after about 5secs this stopped and then alot of fluids was coming out from the bottom of the engine. Now the car will not start as the engine will not turn over.

Please could someone help as i do not know the problem, i have searched the forum and saw a few posts similar to mine stating a turbo problem?

Thanks