1. Basic metal key:
- Cost: Around $50 - $100
- This type of key is often the least expensive option.
2. Remote keyless entry (RKE) key:
- Cost: $150 - $300
- RKE keys allow you to unlock and lock the vehicle remotely.
3. Transponder key (with chip):
- Cost: $150 - $350
- These keys contain a chip that communicates with the vehicle's immobilizer system to prevent theft.
4. Smart key (keyless entry with push-button start):
- Cost: $300 - $500
- Smart keys offer keyless entry and ignition without the need to insert a key.
It's essential to contact your local Chrysler dealership or a trusted automotive locksmith for an accurate and up-to-date cost for a replacement Chrysler 300 key. The prices mentioned here are approximate and can vary based on specific factors and regional differences.