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Old 07-20-1999, 02:24 PM
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Join Date: Jun 1999
Location: MONTREAL, CANADA
Posts: 74
THE A/C ON MY 89 300SEL SEEMS TO ACT UP. IT WORKS NORMALLY FOR MOST OF THE TIME. SOMETIMES WHILE DRIVING IT QUITS AND AIR FROM OUTSIDE BLOWS THROUGH THE VENTS. IMMEDIATELY IF I SHUT OF THE IGNITION AND RESTART THE CAR THE A/C WORKS.
  #2  
Old 07-20-1999, 08:02 PM
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Join Date: Apr 1999
Location: Walnut,CA,USA
Posts: 554
You could have loose belt or tensioner check the belt first other possible is a bad compressure speed sensor....have someone check it for you.
help this help.

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MB STARS Master Guild Technician,12 years MB tech
5 years independent shop owner
  #3  
Old 07-21-1999, 12:03 AM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
Make sure that the aux fans are working as well. If the compressor slips at all it will lock out until the ignition is turned off and back on.

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Benzmac:
ASE CERTIFIED MASTER AUTO TECHNICIAN
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