Thread: head unit displaying TEMP
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Old Dec 26, 2017 | 08:37 AM
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maxcichon
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Joined: Sep 2007
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From: MOFN, AL, 70 miles from George
Default Re: head unit displaying TEMP
As I recall, the fan in the RCM/Relay box under the bonnet blows through a rubber tube into the audio amplifier under the floormat on the passenger side (US).

You can remove the top of the RCM/Relay box and look down to see the fan turning, or not.....

Known problem in the SLK.
 
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