hello all, hopefully some one can help me , i have a year 2000 c320, i took the car to the local shopping centre and have driven the car as normal no problem,but when we got into the car to go home we could access the car with the key fob and lock the car but when i put the fob into the ignition, all i could hear is a feint clicking noise, car wont do anything else.wont turn any further than that? is it the fob/ or immoboliser in the fob? do i need to buy another key? or replace batteries, we had the car recovered, spare key is in london with my parent who are now away untill mid jan! please advise and happy new year!