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  #1  
Old 09-19-2008, 02:58 PM
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R129 2001 SL500 A/C Problem--Please help a newbie

I have a 2001 SL500---only has 19000 miles and the A/C is acting up---dealer said no code fault---A/c will not engage when button pushed, but if I leave the button pushed and the meters showing on high (4-5 bars) the A/C will come on eventually and run a few seconds and then go off again and continue to come on and off randomly but in short burst ---- it is very cold when it comes on, so it is charged, the heat does the same thing
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Old 09-20-2008, 11:54 AM
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please help if anyone can suggest a fix
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Old 09-20-2008, 08:31 PM
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The fix is to get the dealer to do their job. The AC could be cutting off for a number of reasons that would not throw a code, like a bad temp or pressure sensor.

Have they put a set of gauges on the system, or watched what's going on with the real-time data monitoring of the diagnostic system?
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'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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  #4  
Old 09-21-2008, 10:22 AM
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Join Date: May 2001
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Quote:
Originally Posted by kevwarae View Post
...A/c will not engage when button pushed...
Someone else is having this problem. See this thread: http://www.benzworld.org/forums/r129-sl-class/1397241-99-ac-compressor-wont-engage-fans.html.
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