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Best Engine Oil for 2016 Chrysler 300C 5.7L Hemi?

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Mike T. · rep 0 · May 25, 4:25 AM · 1 replies · solved · Question

Vehicle: 2016 Chrysler 300C 5.7L Hemi

Hey everyone, I'm looking for some advice on engine oil for my 2016 Chrysler 300C with the 5.7L Hemi engine. I've always used conventional oil in my older cars, but I know these modern engines have specific requirements.

What's the recommended oil type and viscosity for the Hemi? Is synthetic a must, or can I get away with a synthetic blend? Also, what's the typical oil change interval people are following? I drive mostly city with some highway commutes.

I want to make sure I'm giving my Hemi the best, so any insights would be appreciated!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 4:25 AM

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Maintaining proper engine oil is crucial for the longevity and performance of your 5.7L Hemi engine in the 2016 Chrysler 300C.

Recommended Oil Specifications:

  • For your 2016 Chrysler 300C with the 5.7L Hemi engine, the manufacturer generally recommends SAE 5W-20 full synthetic engine oil.
  • It's important to use oil that meets Chrysler's material standard MS-6395. Always check your owner's manual for the most precise and up-to-date specification.

Why Full Synthetic?

  • Temperature Stability: Full synthetic oils perform better in extreme temperatures, both hot and cold, which is beneficial for engine protection.
  • Improved Lubrication: They offer superior lubrication, reducing friction and wear on engine components.
  • Cleaner Engine: Synthetics are more resistant to breakdown and sludge formation, keeping your engine cleaner over time.
  • Multi-Displacement System (MDS): The Hemi's MDS system, which deactivates cylinders for fuel economy, relies on proper oil pressure and viscosity to function correctly. Using the specified oil helps ensure its smooth operation.

Oil Change Interval:

  • The typical recommended oil change interval for your vehicle is often up to 10,000 miles or 12 months, whichever comes first, when using the specified full synthetic oil. However, this can vary based on driving conditions.
  • If you frequently drive in severe conditions (e.g., extreme temperatures, heavy towing, extensive idling, dusty environments, or short trips), you might consider more frequent oil changes, perhaps every 5,000-7,500 miles.

DIY Tips:

  1. Gather Supplies: You'll need about 7 quarts of 5W-20 full synthetic oil (MS-6395), a new oil filter (Mopar MO-339 or equivalent), a drain pan, a wrench for the drain plug, and an oil filter wrench.
  2. Warm Engine: Change the oil when the engine is warm but not hot, as this helps the oil drain thoroughly.
  3. Reset Oil Life Monitor: After the oil change, remember to reset the oil change indicator in your vehicle's infotainment system or instrument cluster.

When to See a Shop:

  • If you notice a sudden drop in oil pressure (which might trigger a P0520 code) or excessive oil consumption.
  • If you're unsure about performing the oil change yourself or disposing of the used oil properly.
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