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
Top Reported Problem Clusters (5)
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“Chrysler 300 2021 Vehicle keeps stalling, turning off while driving or if stopped at light or stop sign to loan just shuts random times and not Al way but enough to be dangerous when it stalls on freeway or in traffic Seat belt Driver seat belt just broke, split in half- safet...”
“There is a serious safety recall on NHTSA #24V-198 recall #19B 2018-2021 LD LXSABIC INFLATOR. IMHAVE TAKEN CAR TO DEALERSHIP MINIMUM 4 TIMES TO GET THIS RECALL CORRECTED. THYE JUST KEEP SAYING THEY DONT HAVE A FIX FOR IT. WELL, THATS UNACCEPTABLE I HAVE MYSELF AND SMALL KIDS T...”
“About 2 months ago the passenger seatbelt in my vehicle just tore out of nowhere. The seam seemed to unravel and it completely broke. Took it to get repaired had some issue but my complaint today is to help save someone from this or maybe others may have had same issue. The se...”
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“I bought my car, Chrysler 300 2021 at the Hemet CA Dealership in 2021. Hemet Chrysler Dodge Jeep Ram. The car presented with several issues including, difficulty starting, engine misfires, stalling, and decreased fuel efficiency. The low fuel warning light on my car's dashboar...”
“Chrysler 300 2021 Vehicle keeps stalling, turning off while driving or if stopped at light or stop sign to loan just shuts random times and not Al way but enough to be dangerous when it stalls on freeway or in traffic Seat belt Driver seat belt just broke, split in half- safet...”
“Vehicle manufactured 12/2021. Purchased NEW 5/28/2022. Slight oil consumption between changes. Noticed engine had rough idle similar to misfire August 2024 shortly after an oil change@24,272 mi. NOTE Check Engine light did NOT appear. Car taken to dealership on 10/9/2024 with ...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“The backup camera system malfunctioned, resulting in a blank or distorted display screen when the vehicle is placed in reverse. This system failure deprives the driver of rear visibility and disables the rear parking collision warning, creating a safety hazard when backing up....”
“Air bag light stays on constantly vehicle was checked by Chrysler in Columbus Ga. and was told the harness was bad quoted $1,200 dollars for the repair. However the part was unavailable on 7/12/2023 returned for the fix on 7/22/2023 and still no part. I understand Air Bags hav...”
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
- Sudden loss of propulsion power at highway speeds
- Extended engine cranking / failure to restart
- Fuel odor near fuel tank / engine bay
“I bought my car, Chrysler 300 2021 at the Hemet CA Dealership in 2021. Hemet Chrysler Dodge Jeep Ram. The car presented with several issues including, difficulty starting, engine misfires, stalling, and decreased fuel efficiency. The low fuel warning light on my car's dashboar...”
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 have been properly bonded to the vehicle, allowing it to detach in a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 212, "Windshield Mounting."
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 may rupture due to a manufacturing defect.
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.

