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2012 C Class
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Discussion Starter · #1 ·
Hello! I've just joined and this is my first post. I'm looking forward to tapping into all of the expertise and goodwill I've seen on the site.

My first plea for help!
My 2012 C Class makes a loud clicking noise as soon as it warms up. It sounds like it's coming from the rear area of the exhaust. Mercedes say it's just the exhaust cooling and I've also been told it could be the cat cooling down.

However I get it all the time and can hear it (with the window down a bit) when stopped in traffic or crawling along. Also, I've never heard it with any other car!
So, do I have anything to worry about? Are Mercedes right and if so, why don't I hear it on other cars?
Many thanks in advance for your advice.
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