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Larger power wires at fuse box in trunk

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Old 05-01-2024, 09:01 AM
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2014 c300 w204.080 3.5 v6
Larger power wires at fuse box in trunk

Hello all.
I'm curious if anyone knows of a repair for the end of the two large power wires that plug into the back off this fuse box.
I recently replaced mine and I broke both the plastic connectors on these large power wires. I am able to push there wires into the metal connector and they stay fairly well in place. But if I can repair these plastic ends and lock in those connections I would like to do that.

This is the front view

This is the rear view from a part in eBay. It's the two red wires that are cut in this picture. My wires are not cut but the plastic ends are broken. The ends that clip the wire in secure is what I'm wondering if they have a repair for these connectors.

Last edited by RobertR728; 05-01-2024 at 09:03 AM. Reason: Spelling
Old 05-01-2024, 09:41 AM
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W204 2010 C300 4matic Sport M272
They dont seem to be off the shelf connectors. i tried looking in my diagrams and cant find a part number for them.

Maybe the Mercedes dealer can look up a part number.

Are there any numbers on them that will help looking them up?

If it were me im thinking looking on ebay for used SAMs that have those wires still attached and contact the seller asking to buy just the wires for a few bucks. Have them disconnect them for you. Can always just splice/solder the wires together with the good connector.

Or buy the cheapest used sam you can find just for the wires.
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Old 05-01-2024, 09:58 AM
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That is a good idea. I will look after work to see if there are any part numbers that mighty help. I'm currently driving the car the wires seem pretty solid on their connectors but I know it would make me feel better if I know they're locked in like they should be
Old 05-02-2024, 02:21 PM
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I was searching around and im thinking the part #s should be printed right on the connectors themselves. Mercedes is usually good for that. They have them at my local MB dealer for around $3 each.

Looking online I came across these:

- 0255457326 White
- 0255457226 Black
















Last edited by TimC300; 05-02-2024 at 02:25 PM.
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Old 05-02-2024, 02:33 PM
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Thank you so much TimC300. Those look exactly like what I'm needing. Thank you again

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