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Stan
Stan, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3526
Experience:  Technical support engineer
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I have a mercedes c240 which is giving me some grief. The problems

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I have a mercedes c240 which is giving me some grief. The problems seem to be associated with the cooling fan which runs at fast speed continuously. I have had a new fan fitted,theto know t air con system recharged,the ecu checked and serviced but all to no avail. Nobody seems he cause. What to do next?
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Hello,

I'm Shantal and I'm a moderator for this topic.

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Customer: replied 4 years ago.

Please continue with my problwm
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Thank you for getting back to me. We will continue to look for a Professional to assist you.

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Hello,
There is a separate fan control module installed next to the bumper in the driver's wheel arch. It is controlling the fan speed depending on the orders from AC and engine control units. When it fails, fan is on in the safe mode. It should be replaced.

Regards,
Stan
Stan, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3526
Experience: Technical support engineer
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