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2003 CLK C209 clicking noise coming from stereo area

deltashad

Member
Joined
Jul 31, 2011
Messages
48
Location
Perthshire
Car
W209
Hi all. I have a clicking noise which comes from around the stereo area when I turn the ignition to the second step. It lasts for a few seconds then stops.
 
That will be caused by one of the heater air directional motors/mechanism. Needs to go on a Star to see which one is causing it.
 
The stepper motors can be fiddly to replace so you do need to know which one is causing the problem (if you have full climate there are 10 of them!) and usually its the little gears that are worn and not the motors. Mercedes will charge a huge amount to take the dash out but indys usually know quicker ways to get to them.
 

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