Hi All, have a strange problem, the blower motor keeps running when the unit is in the off position, even after the ignition is turned off and the key is removed. Any ideas of what can be the issues? Please don't tell me CCU that thing is expensive.

Thanks in advance

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1993 400SEL (W140) 281K
1999 S500 (W140) 163K (Sold)
2002 S500 (W220) 72K
1999 S500 (W140) 88K
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