The radiator fan is not switching on. would it be the fan control switch or what on 2002 Mercedes-Benz CL500

Fan is not switching on and car will just overheat if left running. Its a constant problem and car had been parked up and unused for several years.was told it might be a fan contorl switch but Ive no idea hwere to starty or look for it.

by in Tacoma, WA on March 19, 2013
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1 answer 2 comments
ANSWER by , March 19, 2013
fan controls are not working seek diag and est
COMMENT by , March 19, 2013
I know its not working. My question is whats probably wrong or needs replacing?
COMMENT by , March 19, 2013
i would not guess,it needs to be looked at