MB Coolant Spec 320.1

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Jan 18, 2022 | 12:14 PM

2022GLS450

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2022 GLS450

MB Coolant Spec 320.1

My wifes new 2022 GLS450 coolant specification is 320.1.
Does anybody know the list of coolant brands that meet spec 320.1?
Thanks.

Jan 18, 2022 | 06:49 PM

pilsuh

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Joined: Sep 2008

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GLS

Timely post. My 3 month old GLS with 3k miles just gave me a coolant level low alert. Checked and it is low. Anyone else have same experience?

I'm planning on getting OE fluid at the dealer to top it off.

Jan 18, 2022 | 07:57 PM

chassis

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From: unbegrenzt

2017 GLE350 4MATIC

Topping up with distilled water is an acceptable option.

Go to the operating fluids site (former bevo site).

Use overview 320.1 to find engine M256 uses 325.6 and 326.6.

Use documents 325.6 or 326.6 to find manufacturers and products. Zerex is fairly widely available in the US at mainstream auto parts stores (AutoZone, Advance Auto, etc.).

AG40 Liquido Refrigerante
ALLIANCE PRIMECOOL GP C-40
Alpine C40
Antifreeze ANF KK40
AVIA ANTIFREEZE NG
AVIATICON Finkofreeze F40
CAR1 Premium-Longlife Kühlerschutz C40
CLASSIC KOLDA UE G40
Comma Xstream G40
Eni Antifreeze Spezial 12++
EVO ST40
Fuchs MAINTAIN FRICOFIN DP
Glacelf SI-OAT
Glysantin® G40®
Gulf Eurocool G-40 Concentrate
LUKOIL COOLANT SOT
MB 325.6 Coolant A 000 989 28 25-
Mercedes-Benz Korrosions-/ Frostschutzmittel MB 325.6-
Mobil Antifreeze Ultra
MOTOREX COOLANT M4.0 Concentrate
NAPA Premium Kühlerschutz N40
Neste Pro+ Coolant M
POWERCOOLING NG
Raloy Anticongelante Concentrate (G40)
TECTROL COOLPROTECT SI-OAT
TIRRENO ORGANIC COOL G 400
Valvoline OEM Advanced 40
XTAR SUPER COOLANT Si-OAT
YORK 816 Antigel
Zerex G 40