GLS Class (X166) Produced from 2016 to 2019

Transmission/xfer case/ differential service prices?

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Old Oct 28, 2024 | 09:25 PM
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Transmission/xfer case/ differential service prices?

So I normally do my own services, including trans and differentials, but I am curious what the average cost for this service is by a dealer or a decent European independent garage, even better if you have a recommended north Atlanta/Marietta/Alpharetta garage
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Old Oct 29, 2024 | 08:39 AM
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I had the driveline fluids changed on my GLS550 at a premium independent shop for around $680 (front and rear diffs and xfer case). I was quoted about $1000 at my local MB dealer.
I did have the Mercedes dealership do the transmission fluid change and the engine coolant change. That was about $1000.
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Old Jul 11, 2025 | 01:42 PM
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Originally Posted by thtguy
So I normally do my own services, including trans and differentials, but I am curious what the average cost for this service is by a dealer or a decent European independent garage, even better if you have a recommended north Atlanta/Marietta/Alpharetta garage
i just got some quotes on my car

three different dealers quoted me $1450/$1250/$750

all MB dealers in the LA area. obviously i'm going with the $750 one
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Old Aug 26, 2025 | 01:19 PM
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Is it the general consensus that the 75w-85 redline gear oil is the go-to for the differentials?
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Old Aug 26, 2025 | 02:17 PM
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I'm doing my G550 diffs in a couple weeks and plan to use 75W-85 Motul Motylgear Differential Oil.
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