The Chrysler 300 uses a HOAT-type ethylene glycol–based long-life coolant, typically Mopar Long-Life Antifreeze/Coolant formulated for Chrysler vehicles. Use a 50/50 mix with distilled water unless your manual specifies premixed coolant.
Understanding Chrysler 300 coolant requirements
Chrysler’s cooling system is designed to operate with HOAT coolant that meets the manufacturer's specifications. The Mopar Long-Life HOAT antifreeze/coolant is commonly recommended for Chrysler vehicles, including the 300, helping protect aluminum components and ensure reliable corrosion protection. Always verify the exact requirement for your model year and engine with the owner's manual or a trusted dealership.
Key facts to understand when servicing a Chrysler 300’s cooling system:
- Type and technology: HOAT (Hybrid Organic Acid Technology) ethylene glycol–based coolant designed for long service life.
- Brand and compatibility: Mopar Long-Life Antifreeze/Coolant (HOAT) or any coolant that is explicitly labeled as meeting Chrysler's HOAT specification.
- Color cue: commonly orange or orange-yellow, but color alone isn’t a substitute for spec verification.
- Mix ratio: typically a 50/50 mix with distilled water; premixed versions are also available.
- Service interval: follow the owner’s manual; commonly around every 5 years or up to 100,000–150,000 miles depending on usage.
Concluding: Use the dealer-recommended Mopar HOAT coolant to ensure corrosion protection for the Chrysler 300’s aluminum components and cooling system seals.
How to verify you’re using the right coolant
Before you buy or pour coolant into a Chrysler 300, confirm you’re using the correct product and specification:
- Check the owner’s manual for the exact specification and recommended product (Mopar Long-Life HOAT coolant or an equivalent meeting Chrysler’s HOAT standard).
- Inspect the coolant bottle for a designation that it meets Chrysler HOAT specifications and note whether the product is premixed or concentrated for proper dilution.
- Avoid mixing different coolant types (IAT, HOAT, OAT) or using coolant that lacks Chrysler approval, as mixing can reduce protection and harm aluminum components.
- Use the color as a supplementary cue, but rely on the specification to confirm compatibility.
- When in doubt, consult a dealer or qualified mechanic to confirm the correct coolant for your specific model year and engine.
Concluding: Verifying the coolant type before maintenance helps protect the cooling system and ensures warranty compliance.
Summary
For the Chrysler 300, the recommended coolant type is HOAT, an ethylene glycol–based long-life coolant, typically Mopar Long-Life HOAT. Use a 50/50 mix with distilled water unless premixed, and follow the owner's manual for replacement intervals. Always verify the exact specification for your model year and engine, and avoid mixing incompatible coolants.
What type of coolant for C300?
Type of Coolant for Mercedes C300
The Mercedes C300 uses a type of coolant called Mercedes-Benz genuine coolant/antifreeze (MB 325.0).
What color coolant does a Chrysler take?
What Kind of Antifreeze Do I Need?
| Color | Manufacturers/Compatibility |
|---|---|
| Yellow | All vehicles |
| Turquoise | Audi, BMW, and other European manufacturers |
| Pink or Blue | Audi, Porsche, and other European models |
| Purple | Stellantis vehicles (Jeep, Chrysler, Dodge) |
What coolant goes into a Chrysler 300?
ZEREX – G05® Full Strength Concentrate Antifreeze / Coolant, 1 Gallon (Part No. ZXG051)
What type of coolant goes in a 2018 Chrysler 300?
ZEREX – G-05 Formula 50/50 Pre-Mixed RTU Antifreeze / Coolant, 1 Gallon (Part No. ZXG05RU1) ZEREX G05® is the automaker approved original chemistry used in newer Ford®, Chrysler® and Mercedes-Benz® automotive and diesel engines.