C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Help! Clicking Noise when ignition turned on....

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Old 09-13-2009, 09:23 PM
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C320 Wagon
Help! Clicking Noise when ignition turned on....

I get a clicking noise when I turn my 2002 C320 ignition on . It seems to be coming from the lower floorboard near the firewall on the passenger's side but it's hard to tell. Anyway, it goes through a series of 8 clicks that are 5.5 seconds apart until it finally stops after about 40 seconds. From that point on it doesn't repeat until I turn off the engine, and wait awhile. If I turn off the key early before it goes through it's 8 clicks, the clicking continues through it's 8 time cycle with the ignition off.
Other than the obvious clicking sounds, the car seems to run fine and from what I can tell everything functions properly. Has anyone had this problem? Does anyone know what's wrong? Any input would help.

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Old 09-13-2009, 10:02 PM
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'02 C240
There is a sticky on this....

https://mbworld.org/forums/c-class-w...g-hissing.html

after that read this....

https://mbworld.org/forums/c-class-w...ld-forums.html

... regulars on here get annoyed very quickly with newcomers who ask before they have exhausted searches, just a tip!

I had this on my car but it comes and goes!?
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