Blower make a noise when climate control is on auto. When I stop noise stops. on 2007 Mercedes-Benz CLS550

When climate control off, no noise. Thoughts? How difficault is it to replace blower motor?

by in Wheaton, IL on December 12, 2012
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1 answer 2 comments
ANSWER by , December 13, 2012
its a 1hr job and poss there is debry inside fan blades or a bad blower motor itself
COMMENT by , January 11, 2013
Thanks, any directions or instuctions how to remove it?
COMMENT by , January 11, 2013