my radiator fan runs high with the a/c on all the time even with the heater

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my radiator fan run high all the time when I turn on my a/c. It sounds like jet plane taking off and I want know if this is normal. It also runs high when I turn on the heater. Any suggestions. I have no codes

ejenx1 in Collierville TN

Feb 2, 2017

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What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 2007 Mercedes-Benz S550. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

my radiator fan runs high with the a/c on all the time even with the heater

What is your question?

ejenx1 in Collierville TN

Feb 2, 2017

0 Replies

This question doesn't have any answers yet

Get the conversation going by signing in or creating an account

Submit an Answer

What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 2007 Mercedes-Benz S550. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.