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Old 12-09-2003, 12:53 PM
warren128 warren128 is offline
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Join Date: Jan 2000
Location: San Francisco, CA, USA
Posts: 46
Question R129 500SL Climate Control Auto Mode and A/C longevity


I was wondering if leaving the climate control on Automatic has any effect (either adverse or beneficial) on the longevity of the A/C system. Would leaving it on E mode most of the time (until AC cooling is needed) be better?

Similar question for my W124 E420: Should I use E mode/low fan most of the time rather than leaving it on A/C witt Fan on Auto?

A mechanic once told me not to run my A/C constantly because it would wear out the compressor prematurely.


2011 C300

Gone but not forgotten:

1995 E420
1990 500SL
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