Mercedes-Benz GLS450 oil specs by year

Mercedes-Benz GLS450 oil specs changed across the 2020–2025 range. The most recent checked year uses 9 qt of 0W-20. Select the exact year to see the checked capacity, viscosity, and filter for that model year.

Year Capacity Oil type Filter Page
2025 9 qt 0W-20 AMSOIL 51460176; Purolator PL31827; PG99879EX Verified fit Open record →
2024 9 qt 0W-20 AMSOIL 51446448; HENGST E159HD311; Purolator PL31827 Verified fit Open record →
2020 9 qt 0W-30 Purolator PL41505; HENGST E159HD311 Verified fit Open record →

Mercedes-Benz GLS450 oil spec changes by year

Checked records show 1 spec change across the 2020–2025 range. 2024: viscosity changed from 0W-30 to 0W-20 (vs 2020). Open the exact year page for the full source notes before buying.

Mercedes-Benz GLS450 oil — frequently asked questions

What oil does the Mercedes-Benz GLS450 take?
The Mercedes-Benz GLS450 oil spec has changed across model years. The most recent checked year uses 9 qt of 0W-20. Use the year table above to find the spec for your specific model year.
Is the oil capacity the same for all Mercedes-Benz GLS450 years?
Yes. All 3 Mercedes-Benz GLS450 model years covered here use 9 qt as the primary engine capacity. Confirm in your owner's manual before buying.
What oil filter fits the Mercedes-Benz GLS450?
The most recent checked year lists AMSOIL 51460176; Purolator PL31827; PG99879EX as a compatible oil filter for the Mercedes-Benz GLS450. Filter part numbers can change across model years — open the exact year page for the source-checked part number for your year.

Look up a specific Mercedes-Benz GLS450 year

Select a model year to open the exact checked oil fitment record before ordering.