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Fuse Identification - F32 Front Prefuse Box

Old Aug 17, 2021 | 03:05 PM
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2012 E63 Wagon
Fuse Identification - F32 Front Prefuse Box

Wonder if someone can help identify the multi fuse for f158, f159, and f160 (pins 1, 2, and 3) from the front prefuse box. Dual bolt down top with 3 pins (50A, 50A, and 60A). Can't find where to buy a replacement and don't want to buy the entire prefuse box from the dealership.

Photo attached.

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Old Aug 17, 2021 | 04:10 PM
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W212 MY'14 M276-3.5NA @75kMi
I dont know who sales these spare links... how did yours get blown off??
I thought they were fairly over rated for "trouble free" protection...
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Old Aug 17, 2021 | 04:42 PM
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Just pin 1 was blown. Found it diagnosing why AC / heat blower motor stopped working. Wasn't getting power to the blower regulator.
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Old Aug 17, 2021 | 04:57 PM
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... can you spin the blower wheel by hand is it extra tight?

Last edited by CaliBenzDriver; Aug 17, 2021 at 07:35 PM.
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Old Aug 17, 2021 | 05:19 PM
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Blower was the initial problem. Started to working intermittently and when i removed it, there was a lot of black dust and wheel was harder to spin when compared to a new unit. The blown fuse was most likely self inflicted. When the blower wasn't working, turning on and off repeatedly at the control panel got the blower motor going again until the fuse went. I've since replaced the blower motor, regulator, and used a small bead of solder on the blown fuse to get power back. Everything is working again, but would like to get a replacement fuse back in as soon as possible.
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Old Aug 17, 2021 | 06:51 PM
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2014 - W212.065 - E400 ( M276.820, 3 liter Turbo) RWD not Hybrid
Go to your local junk yard or look for pre-owned F32in Ebay.
All W212 Prefuse, Pin 1, Pin 2 and Pin 3 are the same 50amps (pin1), 50amps and 60 amps (pin3)
Pin1 to Pin 3 is what you call as f158, f159, and f160 in your F32.
Depending on car variant, Pin 1 to Pin 3 are sometimes called : Fuse 160, 161,162.
They are all the same amperage sequence when you call it PIN 1 to PIN 3.

Without dismantlng the F32 shell, to test if Pin 1 to Pin 3 fuse is OK, is simple.
That charging post or jumper post ( + ) is linked directly to this fuses.
So an Ohm meter can tell immediately if the pre-owned F32 has a blown fuse or not. You can always ask the Ebay seller to verify it, if via Ebay.
That fuse block trio is too short to modify, otherwise you can repair it using ANL type fuse.




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Old Aug 17, 2021 | 07:50 PM
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Never considered there junk yard...great idea.
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