'88 300 SEL air/heat intermittently turns on/off - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 08-18-2008, 02:46 PM Thread Starter
BenzWorld Newbie
Date registered: Aug 2008
Location: Evergreen Park, IL
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'88 300 SEL air/heat intermittently turns on/off

If it is hot outside and I have the air on it will inexplicably turn off and hopefully turn back on again. Does the same thing with heat. Is there an internal thermostat? I already had the air/heat checked and replaced the thermostat under hood.
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