doesnt sound right

[japimport]

hi everyone i have a c200 sport 95 today i noticed when i started her up she sounded like atractor for about 2 mins untill it warmed up it was a very loud tick tick tick etc i need to know what it could be and is it going to be expensive ohh and she has 120,000 miles on her im of work tommorow so i could do some examinations with your help thanks very much

 

[GEORGEROV]

Sounds like hydraulic tappet rattle. Try using a thicker oil next oil change.

 

[television]

Listen carefully to the front of the engine when starting up,probably timing chain and not too bad to fix