Question about 2003 Mercedes-Benz C-Class

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Thumping inside dash when car started

My 2003 Mercedes 240 wagon has a "thumping" noise around the key or steering wheel when ever started. It can last from 15-30 seconds then stops. If I turn off engine and restart, it does it again. Is this serious - as in expensive to repair???
Thanks,
SP

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It is one of A/C flap actuator motor lever, that is broken and need to be replace by specialist.

Posted on Oct 20, 2009

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