GLS 580 oil grade
Out Of Control!!
Joined: Sep 2018
Posts: 14,672
Likes: 4,577
From: unbegrenzt
2017 GLE350 4MATIC
GLS580 uses the M176 engine, the mild version of the 4.0L TT V8.
From here: https://operatingfluids.mercedes-benz.com/
go to Coolant, here: https://operatingfluids.mercedes-ben...ory/coolant/en
then, standard practice is to look up the fluid specification for the relevant engine, here: 320.1 (link goes to direct .pdf download)
From 320.1, and looking up M176, the specifications 325.6 and 326.6 are given.
Then go here: https://operatingfluids.mercedes-ben...sheet/325.6/en
and here: https://operatingfluids.mercedes-ben...sheet/326.6/en
From 325.6 and 326.6, the information can be found that Zerex G40 is an accceptable product. Zerex G40 can be found at Auto Zone, O'Reilly's or your favorite auto parts stores. Maybe also Walmart and Costco, I don't know because I don't shop there.
In a pinch and finding oneself in need of a small coolant top-up, distilled water is acceptable substitute.
From here: https://operatingfluids.mercedes-benz.com/
go to Coolant, here: https://operatingfluids.mercedes-ben...ory/coolant/en
then, standard practice is to look up the fluid specification for the relevant engine, here: 320.1 (link goes to direct .pdf download)
From 320.1, and looking up M176, the specifications 325.6 and 326.6 are given.
Then go here: https://operatingfluids.mercedes-ben...sheet/325.6/en
and here: https://operatingfluids.mercedes-ben...sheet/326.6/en
From 325.6 and 326.6, the information can be found that Zerex G40 is an accceptable product. Zerex G40 can be found at Auto Zone, O'Reilly's or your favorite auto parts stores. Maybe also Walmart and Costco, I don't know because I don't shop there.
In a pinch and finding oneself in need of a small coolant top-up, distilled water is acceptable substitute.
Last edited by chassis; Nov 6, 2022 at 06:43 PM.
Junior Member
Joined: Nov 2021
Posts: 63
Likes: 16
2022 GLS 450 (X167)
Sorry just checked for you and Amsoil does not have the recommended oil for GLS580. I can sense some lack of knowledge and experience and my recommendation would be to get MB brand oil from the dealer and change it yourself if you still want to do it. Still going to be a way less expensive service if you are trying to save on the dealer charges.
Member
Joined: Jul 2022
Posts: 158
Likes: 46
GLS 450 (2022), EQE SUV 350 (2025). GLS 450 (2007)
What a mess. I bought a 2022 GLS 450 and then went looking for the 229.52 oil (per my manual) in 5W30 (which is the weight my dealer told me was in the engine). I like to carry some extra just in case. This was impossible to buy anywhere online or in local stores. Mobil had a product that matched exactly, but it was apparently not manufactured anymore and was therefore impossible to buy.
So off to the MB parts counter I went. I asked for 4 quarts of the right oil for the car, and the guy went to his computer and plopped four jugs of 229.5 on the counter. I protested, directing him to the page in my manual calling for the 229.52, and he finally gave me the right stuff.
It shouldn't be this hard to buy oil for a $100K car, and the ordeal makes one wonder how often non-conforming oil is actually used by shops, including the MB dealer!
So off to the MB parts counter I went. I asked for 4 quarts of the right oil for the car, and the guy went to his computer and plopped four jugs of 229.5 on the counter. I protested, directing him to the page in my manual calling for the 229.52, and he finally gave me the right stuff.
It shouldn't be this hard to buy oil for a $100K car, and the ordeal makes one wonder how often non-conforming oil is actually used by shops, including the MB dealer!
Super Member
Joined: Apr 2013
Posts: 516
Likes: 175
a
GLS580 uses the M176 engine, the mild version of the 4.0L TT V8.
From here: https://operatingfluids.mercedes-benz.com/
go to Coolant, here: https://operatingfluids.mercedes-ben...ory/coolant/en
then, standard practice is to look up the fluid specification for the relevant engine, here: 320.1 (link goes to direct .pdf download)
From 320.1, and looking up M176, the specifications 325.6 and 326.6 are given.
Then go here: https://operatingfluids.mercedes-ben...sheet/325.6/en
and here: https://operatingfluids.mercedes-ben...sheet/326.6/en
From 325.6 and 326.6, the information can be found that Zerex G40 is an accceptable product. Zerex G40 can be found at Auto Zone, O'Reilly's or your favorite auto parts stores. Maybe also Walmart and Costco, I don't know because I don't shop there.
In a pinch and finding oneself in need of a small coolant top-up, distilled water is acceptable substitute.
From here: https://operatingfluids.mercedes-benz.com/
go to Coolant, here: https://operatingfluids.mercedes-ben...ory/coolant/en
then, standard practice is to look up the fluid specification for the relevant engine, here: 320.1 (link goes to direct .pdf download)
From 320.1, and looking up M176, the specifications 325.6 and 326.6 are given.
Then go here: https://operatingfluids.mercedes-ben...sheet/325.6/en
and here: https://operatingfluids.mercedes-ben...sheet/326.6/en
From 325.6 and 326.6, the information can be found that Zerex G40 is an accceptable product. Zerex G40 can be found at Auto Zone, O'Reilly's or your favorite auto parts stores. Maybe also Walmart and Costco, I don't know because I don't shop there.
In a pinch and finding oneself in need of a small coolant top-up, distilled water is acceptable substitute.
And that's assuming you know what the engine is called. Since I'm forbidden from using Google I wonder how I was supposed to figure that out.
Last edited by darlop; Nov 7, 2022 at 10:12 AM.
Junior Member
Joined: Nov 2021
Posts: 63
Likes: 16
2022 GLS 450 (X167)
What a mess. I bought a 2022 GLS 450 and then went looking for the 229.52 oil (per my manual) in 5W30 (which is the weight my dealer told me was in the engine). I like to carry some extra just in case. This was impossible to buy anywhere online or in local stores. Mobil had a product that matched exactly, but it was apparently not manufactured anymore and was therefore impossible to buy.
So off to the MB parts counter I went. I asked for 4 quarts of the right oil for the car, and the guy went to his computer and plopped four jugs of 229.5 on the counter. I protested, directing him to the page in my manual calling for the 229.52, and he finally gave me the right stuff.
It shouldn't be this hard to buy oil for a $100K car, and the ordeal makes one wonder how often non-conforming oil is actually used by shops, including the MB dealer!
So off to the MB parts counter I went. I asked for 4 quarts of the right oil for the car, and the guy went to his computer and plopped four jugs of 229.5 on the counter. I protested, directing him to the page in my manual calling for the 229.52, and he finally gave me the right stuff.
It shouldn't be this hard to buy oil for a $100K car, and the ordeal makes one wonder how often non-conforming oil is actually used by shops, including the MB dealer!
Super Member
Joined: Apr 2013
Posts: 516
Likes: 175
a
Judging by this thread the dealers are universally using 229.5 so I assume it can't be that bad. Maybe if you plan on keeping your car for more than a decade it might be worth worrying about. Personally my lease is up next year so I really don't care.
Out Of Control!!
Joined: Sep 2018
Posts: 14,672
Likes: 4,577
From: unbegrenzt
2017 GLE350 4MATIC
It's part of the MB ownership experience that is included in the price you paid/are paying for the vehicle.
MB World Stories
The Best of Mercedes & AMG
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun
Verdad Gallardo
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Verdad Gallardo
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine
Verdad Gallardo
Flawlessly Restored Mercedes 190E Evo II Heads to Auction
Verdad Gallardo
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know
Verdad Gallardo
Mercedes EQS Gets A Major Update: Everything You Need to Know
Verdad Gallardo
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve
Verdad Gallardo
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping
Verdad Gallardo
