C240 Clicking Noise NEED HELP!!!! - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 07-04-2008, 07:12 PM Thread Starter
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Unhappy C240 Clicking Noise NEED HELP!!!!

I just bought a 2001 C240. It makes a clicking noise (sounds like someone holding a playing card against a bicycle spoke then spinning the wheel) when driving at slow speeds that increases or decreases as the car's speed increases or decreases. It blends into the car's normal road noise but never really stops. I thought it was a loose brake pad but after the brake job the sound is still there. You cannot hear it when you are outside the car, only inside and it is hard to tell if it is from the left or right. It is still there if I turn off the heat or A/C as well. Is this the stepper motors, or is it maybe a bearing or a caliper??? I can still get it fixed under warranty for a week but the mechanics at Carmax (where I bought it) can't seem to diagnose it correctly. HELP!!!!!!!!!!!!!!
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post #2 of 3 (permalink) Old 07-04-2008, 08:02 PM
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Vehicle: 2002 SLK 230 1986 560SL 2008 Honda CRV
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Do you have fog lights on the car, if so look forward of the front wheels you should see a small plastic door that allows you to gain accsess to the fogs. Sometimes the door pops open and hits the tires.
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post #3 of 3 (permalink) Old 07-05-2008, 06:40 AM
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If the noise is not from the engine, it can be what livefree says or (and please don’t laugh, but I get it myself) to have entered a small stone between tire ribs, or inside the rim.
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