2021 Chrysler 300 Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 20 verified NHTSA owner complaints, 2 federal safety recalls, and interquartile failure mileage telemetry.
The 2021 Chrysler 300 receives a 7.7/10 MazicBay Reliability Index based on 20 verified NHTSA federal complaints and 2 safety recalls. The primary reported failure mode is Airbag Occupant Detection & Inflator Defect Reports with a median failure point at 55,000 miles (IQR: 35,000 – 75,000 mi). Out-of-warranty repairs benchmark at $400 – $1,200 .
10 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
2 Active / Free Remedies
2021 300 Failure Distribution by Vehicle Subsystem
Top Reported Problem Clusters (5)
Airbag Occupant Detection & Inflator Defect Reports
Engine Stalling, Oil Consumption & Cooling Defect Reports
Electrical Parasitic Drain, Infotainment & Harness Reports
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
Service Brakes, ABS Actuator & Master Cylinder Reports
Official NHTSA Safety Recalls (2)
VISIBILITY:WINDSHIELD
Summary: Chrysler (FCA US, LLC) is recalling certain 2020-2021 Dodge Challenger, Dodge Charger, and Chrysler 300 vehicles. During manufacturing, the windshield may not
AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
Summary: Chrysler (FCA US, LLC) (Stellantis) is recalling certain 2018-2021 Dodge Charger and Chrysler 300 vehicles. The right and left side curtain air bag inflators m
Tools for Diagnosing the 2021 Chrysler 300
Reads & clears all DTC codes including ABS, SRS, TPMS. Live sensor data with freeze frames. Works on all 1996+ vehicles.
Tests 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
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Pre-Purchase Inspection Checklist for 2021 Chrysler 300
Before purchasing a used 2021 Chrysler 300, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 2 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2021 Chrysler 300
Is the 2021 Chrysler 300 a reliable used car?
The 2021 Chrysler 300 earns a 7.7/10 MazicBay Reliability Index based on 20 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2021 Chrysler 300?
The leading complaint category is Airbag Occupant Detection & Inflator Defect Reports, with a median failure point around 55,000 miles (IQR: 35,000 – 75,000 mi).
Are there free recall repairs available for the 2021 Chrysler 300?
Yes, the NHTSA records 2 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.