2004 Mercedes-Benz SLK230 Oil Type & Capacity
The 2004 Mercedes-Benz SLK230 takes 0W-30 motor oil — 6.1 quarts with a filter change, per the factory service manual.
Factory-spec answer
0W-30 — 6.1 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Automatic | MB Approved Synthetic Engine Oil - SAE 0W-30, 5W-30, 5W-40 or 0W-40 | 6.10 QTS. | — | Use Mercedes-Benz approved engine oil only. See bulletin No. S-0473-08B (Mercedes-Benz Factory Approved Service Products). |
| Standard | MB Approved Synthetic Engine Oil - SAE 0W-30, 5W-30, 5W-40 or 0W-40 | 6.10 QTS. | — | Use Mercedes-Benz approved engine oil only. See bulletin No. S-0473-08B (Mercedes-Benz Factory Approved Service Products). |
Buy the right oil
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More specs & repair guides for your SLK230
2004 Mercedes-Benz SLK230 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
9.8 quarts (9.27 L) — MB Anticorrosion/Antifreeze
Frequently asked questions
What type of oil does a 2004 Mercedes-Benz SLK230 take?
The 2004 Mercedes-Benz SLK230 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.
How much oil does a 2004 Mercedes-Benz SLK230 take?
The 2004 Mercedes-Benz SLK230 holds 6.1 quarts with a filter change.
Can I use synthetic oil in my 2004 Mercedes-Benz SLK230?
Yes. 0W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2004 Mercedes-Benz SLK230. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.