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Discussion Starter #1
I have been hearing a lot of ticking and clanking noise under the hood the past week. I got paranoid and changed the oil the second time within the last 3 weeks. It went away a little bit, but I still hear it.
The car has about 80,000 miles on it and is in great shape. This is the first problem I've had with it, since I bought it.


Any thoughts?
 

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I have been hearing a lot of ticking and clanking noise under the hood the past week. I got paranoid and changed the oil the second time within the last 3 weeks. It went away a little bit, but I still hear it.
The car has about 80,000 miles on it and is in great shape. This is the first problem I've had with it, since I bought it.


Any thoughts?
Ticking could be caused by carbon build-up. Do you drive it short distances alot?

As for the clanking, what exactly do you mean by "clanking" - is it rpm sensitive?
 

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Discussion Starter #3
It's the catalytic converter. I bought the car without knowing about the 8 yr/80,000 mile warranty. it is at 81,615 now and not sure if MB will eat the costs of repairing the CC.
 
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