2004 Mercedes-Benz CL55 Oil Type & Capacity: 5W-40 (7.9 quarts)
The 2004 Mercedes-Benz CL55 takes 5W-40 motor oil — 7.9 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-40 — 7.9 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| CL55 | MB Approved Synthetic Engine Oil - SAE 5W-40 or 0W-40 | 7.90 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 CL55
🛞 2004 Mercedes-Benz CL55 Tire Size & Pressure →🌧️ 2004 Mercedes-Benz CL55 Wiper Blade Sizes →💡 2004 Mercedes-Benz CL55 Light Bulb Sizes →📖 2004 Mercedes-Benz CL55 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
15.3 quarts (14.47 L) — MB 325.0 Anticorrosion/Antifreeze
Frequently asked questions
What type of oil does a 2004 Mercedes-Benz CL55 take?
The 2004 Mercedes-Benz CL55 takes 5W-40 motor oil (MB Approved Synthetic Engine Oil - SAE 5W-40 or 0W-40), per the factory service manual.
What is the oil capacity of a 2004 Mercedes-Benz CL55?
The 2004 Mercedes-Benz CL55 oil capacity is 7.9 quarts with a filter change.
How often should I change the oil in my 2004 Mercedes-Benz CL55?
Most 2004 Mercedes-Benz CL55 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 2004 Mercedes-Benz CL55?
Yes. 5W-40 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2004 Mercedes-Benz CL55. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.