2009 Mercedes-Benz GL450 Oil Type & Capacity: 0W-30 (9.5 quarts)
The 2009 Mercedes-Benz GL450 takes 0W-30 motor oil — 9.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
0W-30 — 9.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| GL450 | MB Approved Synthetic Engine Oil - SAE 0W-30, 5W-30, 5W-40 or 0W-40 | 9.50 QTS. | — | Use Mercedes-Benz approved engine oil only. See bulletin No. S-0473-08B (Mercedes-Benz Factory Approved Service Products). |
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More factory specs & repair guides for your GL450
🛞 2009 Mercedes-Benz GL450 Tire Size & Pressure →🌧️ 2009 Mercedes-Benz GL450 Wiper Blade Sizes →💡 2009 Mercedes-Benz GL450 Light Bulb Sizes →📖 2009 Mercedes-Benz GL450 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
12.7 quarts (12.01 L) — MB Anticorrosion/Antifreeze
Frequently asked questions
What type of oil does a 2009 Mercedes-Benz GL450 take?
The 2009 Mercedes-Benz GL450 takes 0W-30 motor oil (MB Approved Synthetic Engine Oil - SAE 0W-30, 5W-30, 5W-40 or 0W-40), per the factory service manual.
What is the oil capacity of a 2009 Mercedes-Benz GL450?
The 2009 Mercedes-Benz GL450 oil capacity is 9.5 quarts with a filter change.
How often should I change the oil in my 2009 Mercedes-Benz GL450?
Most 2009 Mercedes-Benz GL450 owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Mercedes-Benz recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2009 Mercedes-Benz GL450?
Yes. 0W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2009 Mercedes-Benz GL450. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.