The 2015 Chrysler 300 with the 3.6L Pentastar engine requires 5W-20 synthetic motor oil that meets API SN or newer and Mopar MS-6395 specifications. This is the standard recommendation from Chrysler for this engine and model year.
In practice, owners should use a full synthetic 5W-20 oil that adheres to the FCA/MS-6395 standard and the API/SN or newer ratings. The engine’s oil capacity is roughly 7 quarts with a filter, and routine changes are advised on a schedule that reflects driving conditions and the vehicle’s oil-life monitor.
Oil specifications for the 3.6L Pentastar in the 2015 Chrysler 300
Below are the core specifications to confirm when selecting oil for this vehicle.
- Viscosity: 5W-20
- Oil type: Full synthetic motor oil (synthetic or high-quality synthetic blend) that meets API SN or newer and ILSAC GF-5 or newer
- Designation: FCA Mopar MS-6395 specification
- Capacity: About 7 quarts (with filter) per full oil service
- Change interval: Typically around 7,500 miles under normal driving with synthetic oil; shorter intervals may apply under severe service or heavy driving
Always verify with your owner's manual or the vehicle’s maintenance minder for the exact interval and approved oil products, and use a reputable brand that clearly lists MS-6395 and API SN or newer on the label.
Additional considerations when shopping for oil
If you live in extreme weather or tow heavy loads, you might discuss options with a dealer or mechanic, but the baseline remains 5W-20 full synthetic meeting MS-6395 and API SN or newer. Choosing a high-quality oil helps protect the engine and maintain warranty coverage.
In short, for a 2015 Chrysler 300 with the 3.6L engine, stick with 5W-20 synthetic oil that meets Mopar MS-6395 and API SN or newer, plan for about 7 quarts with filter during an oil change, and follow the vehicle’s oil-life monitoring system or the manual for maintenance intervals.
Summary
For the 2015 Chrysler 300 3.6, use 5W-20 synthetic motor oil that meets API SN or newer and Mopar MS-6395, with a capacity of about 7 quarts (including filter). Follow the recommended change interval from the owner’s manual or oil-life monitor, adjusting for severe driving conditions. Using a reputable full synthetic that meets these specs will provide proper protection and performance for the engine.