Thread: 300SDL heater stuck on and blower motor does not work.
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Old 08-06-2017, 12:45 AM
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sixto sixto is offline
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Join Date: Jun 2000
Location: Eastern TN
Posts: 20,851
Does air only come through the defrost vents? If so, there's no power to the PBU. Check the ACC fuse. If it's good, maybe the unfused aux pump seized and took out the PBU.

Sixto
98 E320s sedan and wagon
Last edited by sixto; 08-06-2017 at 11:12 AM.
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