Front diff leak reseal cost?

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Old Feb 18, 2026 | 09:54 AM
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Front diff leak reseal cost?

My dealer found that the front differential is leaking and wants to charge $7,200 to reseal it. My third-party warranty is willing to cover about half of that. It sounds like a labor-intensive job but I couldn't find much online about it.

Does anyone have any further info on the resealing job so that I can figure out what a reasonable labor time is?
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Old Feb 18, 2026 | 10:53 AM
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Gaskets are cheap, the Genuine Mercedes-Benz Part for the cover is only about $250.

Output Shaft Seal:
Right Ride: 3.7 Hours
Left Side: 13.4 Hours

Trenton O. Gibson
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Old Feb 18, 2026 | 04:18 PM
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What is name of third party warranty company. Outrageous they won't cover entire cost. I want to make sure I never use them!!!!!
Thanks
Ron

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Old Feb 18, 2026 | 05:56 PM
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Originally Posted by ron104
What is name of third party warranty company. Outrageous they won't cover entire cost. I want to make sure I never use them!!!!!
Thanks
Ron
In this case, the warranty people might have a point. Thanks to Trenton's numbers (really appreciated), I have more context: it's a left-sided leak (13.4 hours). Warranty company will pay 13.1 hours, dealer is quoting 22 hours (and confirmed that the right side is fine). My SA will talk to the tech working on the car tomorrow to see where the big discrepancy comes from.
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Old Feb 19, 2026 | 07:07 PM
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Originally Posted by sadpanda
In this case, the warranty people might have a point. Thanks to Trenton's numbers (really appreciated), I have more context: it's a left-sided leak (13.4 hours). Warranty company will pay 13.1 hours, dealer is quoting 22 hours (and confirmed that the right side is fine). My SA will talk to the tech working on the car tomorrow to see where the big discrepancy comes from.
Pure fluff, double check the part numbers online as well, I'm sure you'll see a mark up on the parts they want to use as well.

Trenton O. Gibson
tgibson@highline-autos.com
Highline Autos
Direct: 602.909.9216
Office: 480.348.0777
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