Checked oil specs by engine
2025 Mercedes-Benz G550 oil capacity, type & filter
The 2025 Mercedes-Benz G550 takes 10 qt of 0W-20 oil. Supported by 5 checked sources.
Applies to checked engine: 3.0L 6-Cyl Turbo.
AMSOIL 51458441 is copied into the checkout checklist as the first source-backed candidate for the 3.0L 6-Cyl Turbo. 2 other candidate numbers are kept for cross-checking; confirm the exact filter in the retailer selector before buying.
Oil specs changed in the 2023 checked record compared with this 2025 page — confirm you are on the correct model year before ordering.
Viscosity changed at this generation: this 2025 Mercedes-Benz G550 uses 0W-20. Checked records show 2019–2023 used 0W-30. Confirm before purchasing oil.
Search paths only — confirm the bottle matches your viscosity, API/OEM approval requirements, and purchase quantity before checkout.
2025 Mercedes-Benz G550 oil specs: capacity conditions and filter notes
The filter part numbers listed above come from checked source rows for this vehicle and engine. Use them as candidates, then confirm the exact part number at checkout; do not substitute across engine rows.
Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.
Quick reference for this 2025 Mercedes-Benz G550
- Capacity
- 10 qt
- Oil type
- 0W-20
- Interval
- 12,500 mi / 12 mo
- Filter
- AMSOIL 51458441
Source check: Last checked 2026-06-27 from AMSOIL fitment lookup, Pennzoil oil application database, RockAuto parts catalog, Purolator fitment catalog, and Castrol fitment database.
Mercedes-Benz G550 oil specs by year
The 2025 page is the newest G550 oil record. Oil specs changed in the 2023 model year — confirm you are on the correct year before buying oil or a filter.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2025 Current page | 10 qt | 0W-20 | AMSOIL 51458441 |
| 2023 | 10 qt | 0W-30 | PRO-TEC PXL10077 |
| 2022 | 10 qt | 0W-30 | PRO-TEC PXL10077 |
| 2021 | 10 qt | 0W-30 | PRO-TEC PXL10077 |
| 2019 | 9.5 qt | 0W-30 | PRO-TEC PXL10077 |
| 2018 | 9.5 qt | 0W-40 | PRO-TEC PXL10077 |
| 2017 | 9.5 qt | 0W-40 | PRO-TEC PXL10077 |
| 2016 | 9.5 qt | 0W-40 | PRO-TEC PXL10077 |
How we verified 2025 Mercedes-Benz G550 oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-27.
This page checked 5 sources for the 2025 Mercedes-Benz G550. Capacity: Pennzoil oil application database; oil type: AMSOIL fitment lookup and Castrol fitment database; filter: Purolator fitment catalog, AMSOIL fitment lookup, and RockAuto parts catalog.
- Confidence
- Cross-check pending
- Sources checked
- 5
- Last checked
- 2026-06-27
- Capacity: Pennzoil oil application database
- Oil type: AMSOIL fitment lookup and Castrol fitment database
- OEM oil spec: Not source-backed on this page
- Filter: Purolator fitment catalog, AMSOIL fitment lookup, and RockAuto parts catalog
- Change interval: Castrol fitment database
| Source | Supports | Checked | Link |
|---|---|---|---|
| AMSOIL fitment lookup | Oil type, Filter | 2026-06-27 | Visit brand site |
| Pennzoil oil application database | Capacity | 2026-06-27 | Visit brand site |
| RockAuto parts catalog | Filter | 2026-06-27 | Checked source |
| Purolator fitment catalog | Filter | 2026-06-27 | Visit brand site |
| Castrol fitment database | Oil type, Change interval | 2026-06-27 | Visit brand site |
2025 Mercedes-Benz G550 oil questions that affect checkout
How often should I change the oil on a 2025 Mercedes-Benz G550?
Castrol's service data indicates a 12,500 mi / 12 mo change interval for the 2025 Mercedes-Benz G550. Your actual service need depends on driving conditions and the oil-life monitor reading. Always confirm against your owner's manual; severe-duty cycles may shorten the interval.
2025 Mercedes-Benz G550 oil — questions before buying
- Can I use 5W-20 or 5W-30 instead of 0W-20 in my 2025 Mercedes-Benz G550?
- The checked source rows on this page list 0W-20 for the 2025 Mercedes-Benz G550. Use 0W-20 unless your owner's manual, oil cap, or service information for your exact engine allows another grade. If a retailer suggests 5W-20 or 5W-30, match the engine row first and confirm the grade before buying.
- Did the Mercedes-Benz G550 change its recommended oil viscosity across model years?
- Yes. Checked records show the Mercedes-Benz G550 has specified more than one viscosity grade across model years. 2016–2018: 0W-40; 2019, 2021–2023: 0W-30; 2025: 0W-20. Confirm the viscosity shown on this page matches your exact year before buying oil.
2025 Mercedes-Benz G550 maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2025 Mercedes-Benz G550 cabin filter part numbers
- Oil type & capacity 0W-20 · 10 qt Checked
Where to buy
These are retailer search paths for listed specs on this page. Use the retailer's vehicle selector at checkout to confirm before ordering.
This section may include affiliate or sponsored retailer links. They are search paths, not fitment evidence.
Walmart
Search Walmart for 2025 Mercedes-Benz G550 oil and filter, then match the listing specs against the capacity and viscosity shown above before adding to cart.
Search 2025 Mercedes-Benz G550 oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2025 Mercedes-Benz G550 to confirm oil capacity, viscosity, and filter fitment before checkout.
Search 2025 Mercedes-Benz G550 oil & filter →Amazon
Search Amazon for the 2025 Mercedes-Benz G550 oil and filter and verify the listing's engine fit note matches your engine before ordering.
Search 2025 Mercedes-Benz G550 oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2025 Mercedes-Benz G550 oil and filter and cross-check capacity, viscosity, and filter part number against the specs above.
Search 2025 Mercedes-Benz G550 oil & filter →Look up another vehicle
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