E-Class (W212) 2010 - 2016: E 350, E 550
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Please help New Fan not turning on

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Old May 12, 2024 | 05:58 PM
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E350 4matic
Please help New Fan not turning on

Hey guys, I have a 2010 MB W212 E350 4matic. Just installed a new fan. Everything went smoothly. Turn the AC on full blast but the fan is not coming on. I plugged in my computer and I'm getting the codes that are in the middle of the screen. I need some help on this matter on what to look for. Thanks in advance for your help on this matter.


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Old May 12, 2024 | 06:57 PM
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W212 MY'14 M276-3.5NA @75kMi
bad fan circuit... fuse-link?

I think the active fault is a way of saying the system is not getting power.

What happened to the original fan... why did it need replacement?

Trace the always-ON circuit to Prefuse-Box were heavy links are hosted.
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Old May 12, 2024 | 07:42 PM
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E350 4matic
The other fan was spinin so slow I could stop it with my hand. that's why I bought a new one. I even unplug the negative on the battery before connecting the new fan. I didn't see any negative cable near the area of where the fan goes. That's why I'm asking for help.
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Old May 13, 2024 | 12:29 AM
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2014 - W212.065 - E400 ( M276.820, 3 liter Turbo) RWD not Hybrid
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Is you fan connector and wires set like mine below ?





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