Mercedes-Benz E320 Bluetec Engine Oil Specs

Engine oil type, capacity & service interval for the Mercedes-Benz E320 Bluetec (2007–2009). Select your year below for full specifications.

Typical Oil Grade
5W-30
Capacity
6.5 qt
Change Interval
7,500 mi
Years Available
3

Choose E320 Bluetec year

Oil grade changes by year

Do not assume every Mercedes-Benz E320 Bluetec year uses the same oil. Some years specify 5W-30 (years 2009) while others specify 5W-40 (years 2008) while others specify 0W-30 (years 2007). Select your exact year and engine configuration before buying oil.

Select Year – Mercedes-Benz E320 Bluetec Engine Oil

3 years found

Mercedes-Benz E320 Bluetec Engine Oil Specs by Year

All 3 years
Year Engine Oil Grade Capacity Interval
2009 3L 6-Cylinder 5W-30 6.5 qt 7,500 mi View →
2008 3L 6-Cylinder 5W-40 5.5 qt 7,500 mi View →
2007 3L 6-Cylinder 0W-30 5.0 qt 7,500 mi View →

Mercedes-Benz E320 Bluetec Engine Oil Guide

The Mercedes-Benz E320 Bluetec was produced from 2007 to 2009. This model typically uses 5W-30 full synthetic engine oil — a specification common to most Mercedes-Benz E32-series vehicles.

Selecting the correct oil viscosity for your Mercedes-Benz E320 Bluetec 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 E320 Bluetec 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 E320 Bluetec, 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 E320 Bluetec 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 E320 Bluetec configurations may have different requirements.

⚠ Mercedes-Benz Approval

Mercedes engines require oils meeting specific Mercedes-Benz sheets (e.g. MB-Approval 229.5). Always verify MB certification on the bottle label.

ASSYST PLUS System

Track service intervals using the ASSYST PLUS dash indicators. Do not exceed the recommended mileage, even if oil level checks look normal.