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Cooling fan not working

Tiny
DANNY_7
  • MEMBER
  • 2009 MERCEDES BENZ 350SDL
  • 0.5L
  • V6
  • AUTOMATIC
  • 300 MILES
My cooling fan just stopped running suddenly. And the temperature began rising a little above average. What could be the cause?
And if it has to do with fuse, how do I locate the cooling fan fuse in the fuse box?

Thanks
Tuesday, October 13th, 2020 AT 6:42 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

For some reason, the diesel model isn't listed in any of my manuals. However, I will try my best to help.

Keep in mind, the cooling fan motor itself may have failed. Take a look through this link to start to gain a better understanding of how it works:

https://www.2carpros.com/articles/how-an-electric-cooling-fan-works

I'm not sure if you have a single or double fan design. However, if you turn the A/C on, the fan should engage. Is that happening?

I don't have the pics of the fuse/relay boxes. But there should be a fuse and one or more relays . Let me know if you were able to locate them.

Joe
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Wednesday, October 14th, 2020 AT 5:55 PM

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