Mercedes-Benz CLK320 (Cabriolet) Engine Oil Specs
Engine oil type, capacity & service interval for the Mercedes-Benz CLK320 (Cabriolet) (2000–2005). Select your year below for full specifications.
Choose CLK320 (Cabriolet) year
Oil grade changes by year
Do not assume every Mercedes-Benz CLK320 (Cabriolet) year uses the same oil. Some years specify 5W-30 (years 2005, 2001) while others specify 5W-40 (years 2004, 2003, 2002, 2000). Select your exact year and engine configuration before buying oil.
Select Year – Mercedes-Benz CLK320 (Cabriolet) Engine Oil
6 years foundMercedes-Benz CLK320 (Cabriolet) Engine Oil Specs by Year
All 6 years| Year | Engine | Oil Grade | Capacity | Interval | |
|---|---|---|---|---|---|
| 2005 | 3.2L 6-Cylinder | 5W-30 | 4.5 qt | 7,500 mi | View → |
| 2004 | 3.2L 6-Cylinder | 5W-40 | 6.0 qt | 10,000 mi | View → |
| 2003 | 3.2L 6-Cylinder | 5W-40 | 6.0 qt | 10,000 mi | View → |
| 2002 | 3.2L 6-Cylinder | 5W-40 | 6.0 qt | 10,000 mi | View → |
| 2001 | 3.2L 6-Cylinder | 5W-30 | 4.5 qt | 5,000 mi | View → |
| 2000 | 3.2L 6-Cylinder | 5W-40 | 6.5 qt | 5,000 mi | View → |
Mercedes-Benz CLK320 (Cabriolet) Engine Oil Guide
The Mercedes-Benz CLK320 (Cabriolet) was produced from 2000 to 2005. This model typically uses 5W-30 full synthetic engine oil — a specification common to most Mercedes-Benz CLK-series vehicles.
Selecting the correct oil viscosity for your Mercedes-Benz CLK320 (Cabriolet) is essential. Using a grade that is too thin reduces protection at operating temperature, while too thick an oil impairs cold-start flow and reduces fuel economy. Always match the exact grade shown for your specific model year.
The recommended oil change interval for the Mercedes-Benz CLK320 (Cabriolet) is every 7,500 miles or 12 months. Under severe driving conditions — track use, towing, or frequent cold starts — shorten this interval by 25–30%.
When servicing your Mercedes-Benz CLK320 (Cabriolet), always replace the oil filter at every oil change. Using a premium filter — such as the Mann or Mahle filters specified for European engines — ensures proper oil pressure.
Oil change costs for the Mercedes-Benz CLK320 (Cabriolet) at a US dealership or independent European specialist typically range from $120 to $200 for a full synthetic service. DIY oil changes cost approximately $30–$65 in parts (oil + filter) and take about 30 minutes with the right tools.
Always consult your vehicle's owner's manual to confirm the exact specification for your specific trim and engine variant, as some Mercedes-Benz CLK320 (Cabriolet) configurations may have different requirements.
Mercedes engines require oils meeting specific Mercedes-Benz sheets (e.g. MB-Approval 229.5). Always verify MB certification on the bottle label.
Track service intervals using the ASSYST PLUS dash indicators. Do not exceed the recommended mileage, even if oil level checks look normal.