2012 Mercedes-Benz SLK55 Oil Type & Capacity
The 2012 Mercedes-Benz SLK55 takes 5W-40 motor oil — 10.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-40 — 10.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| SLK55 | MB Approved Synthetic Engine Oil - SAE 5W-40 or 0W-40 | 10.00 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 SLK55
2012 Mercedes-Benz SLK55 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
N/A (N/A) — MB 325.0 or MB 326.0 Antifreeze/Corrosion Inhibitor
Frequently asked questions
What type of oil does a 2012 Mercedes-Benz SLK55 take?
The 2012 Mercedes-Benz SLK55 takes 5W-40 motor oil (MB Approved Synthetic Engine Oil - SAE 5W-40 or 0W-40), per the factory service manual.
How much oil does a 2012 Mercedes-Benz SLK55 take?
The 2012 Mercedes-Benz SLK55 holds 10.0 quarts with a filter change.
Can I use synthetic oil in my 2012 Mercedes-Benz SLK55?
Yes. 5W-40 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2012 Mercedes-Benz SLK55. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.