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  #1  
Old 10-08-2008, 04:51 PM
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1993 300E, No Blower, no AC, Compressor not engaging

The previous owner of this car stated that the AC quit working suddenly. None of the controls for the climate control illicit any response from the blower or the AC compressor. No air flows in through the vents while moving at speed.

The fuses all appear good and there is voltage at the main link mounted on the top of the left fender.

Any Ideas?

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  #2  
Old 10-09-2008, 08:07 AM
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Have you removed fuse #7 & does it get power with key on??
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  #3  
Old 10-09-2008, 09:58 AM
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Hi M.B. Doc,

I have removed fuse #7 and verified it as good. There is voltage at the fuse with the engine running.
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  #4  
Old 10-09-2008, 10:13 AM
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You need to check power at pushbutton control.
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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
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  #5  
Old 10-11-2008, 09:24 AM
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under the hood near the shock mount on the driver's side there is a fuse holder, its black about 1 1/2 long, open it, there is a bar/fuse check to see if it is not broken. This was the problem on mine. If you need pictures email me at johnbrault@cgocable.ca and I will go out and take some. Also do a search for the blower not working.
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  #6  
Old 10-11-2008, 11:36 AM
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<

Did you read his post?
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  #7  
Old 10-12-2008, 08:37 PM
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Fuse link on left side.

Yes, I read the post, sorry for not responding sooner. The fuse link was the first thing I checked, it is good.
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  #8  
Old 10-12-2008, 08:41 PM
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Quote:
Originally Posted by misterp53 View Post
Yes, I read the post, sorry for not responding sooner. The fuse link was the first thing I checked, it is good.
Yes , I know that was the first thing you checked..my post was for the last poster [ post #5 ] ..evidently he did not read your very first post were you mentioned that you had already checked that fuse link..
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  #9  
Old 10-12-2008, 08:54 PM
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Check fuse 'D'
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  #10  
Old 10-13-2008, 08:26 AM
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This is really obvious, but is it plugged in? If you look from the fuse back towards the firewall, there is a plug thats behind the fuse box. Its kind of hard to see, but it could be unplugged
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  #11  
Old 10-13-2008, 09:31 AM
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Thanks guys,

I will check the plug behind the fuse box and fuse D tonight. This Florida heat is begining to get to me.

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