NHTSA FEDERAL EVIDENCE AUDITAudited: 2026-08-25

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.

Data Grade: MEDIUM4 Odometer Verified EntriesMethodology
Executive AI Defect Summary

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: 35,00075,000 mi). Out-of-warranty repairs benchmark at $400 – $1,200 .

2021 Chrysler 300Near-Luxury2021
DLC Port: Under driver side dash near left knee panel

*Representative vehicle platform imagery. Body styling varies across generations.

MazicBay Reliability Index
7.7 / 10

10 complaints / 10k sold

NHTSA Owner Complaints
20

Verified US federal records

Safety Severity Grade
Low Risk

Crash, fire & stall audit

Federal Safety Recalls
2

2 Active / Free Remedies

Switch 300 Model Year (2014–2025)
Defect Clustering

Top Reported Problem Clusters (5)

Ranked by NHTSA Complaint Frequency
#1 AIRBAGS & SAFETY RESTRAINTSMedium Severity77% Match Confidence

Airbag Occupant Detection & Inflator Defect Reports

12
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$400 – $1,200 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • SRS Airbag warning lamp illuminated
  • Passenger occupant classification sensor failure
  • Seat belt retractor lockup
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11661766 • Filed: 05/19/2025

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...

ODI #11648216 • Filed: 03/13/2025

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...

ODI #11648223 • Filed: 03/13/2025

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...

#2 ENGINE & COOLINGMedium Severity80% Match Confidence

Engine Stalling, Oil Consumption & Cooling Defect Reports

5
Federal Complaints
Failure Mileage (Median):24,272 milesIQR: 24,27262,136 mi
Estimated Repair Cost:$950 – $3,200 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Engine sudden stall / hesitation while driving
  • Abnormal oil burning / consumption
  • Check Engine Light (MIL) flashing
  • Engine overheating / coolant loss
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11669025 • Filed: 06/24/2025Odometer: 100,000 mi

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...

ODI #11661766 • Filed: 05/19/2025

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...

ODI #11649935 • Filed: 03/22/2025Odometer: 24,272 mi

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 ...

#3 ELECTRICAL SYSTEM & BATTERYLow Severity65% Match Confidence

Electrical Parasitic Drain, Infotainment & Harness Reports

2
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$280 – $850 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Unexplained battery drain after sitting overnight
  • Infotainment display / instrument cluster blackouts
  • Accessory malfunction / alternator fault warnings
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (2)
ODI #11753341 • Filed: 07/28/2026

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....

ODI #11537569 • Filed: 08/09/2023

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...

#4 FUEL SYSTEM & INJECTIONLow Severity65% Match Confidence

Fuel Pump Pressure Loss & Fuel Delivery Defect Reports

1
Federal Complaints
Failure Mileage (Median):100,000 milesIQR: 100,000100,000 mi
Estimated Repair Cost:$650 – $1,250 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of propulsion power at highway speeds
  • Extended engine cranking / failure to restart
  • Fuel odor near fuel tank / engine bay
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (1)
ODI #11669025 • Filed: 06/24/2025Odometer: 100,000 mi

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...

#5 BRAKING SYSTEM & ABSLow Severity83% Match Confidence

Service Brakes, ABS Actuator & Master Cylinder Reports

1
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$350 – $1,100 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Spongy or hard brake pedal travel
  • ABS / Brake warning light illuminated
  • Extended stopping distance / pedal vibration
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Safety Enforcement

Official NHTSA Safety Recalls (2)

100% Free Dealer Repair
NHTSA Campaign #21V516000Reported: 08/07/2021

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."

Safety Consequence: A windshield that separates from the vehicle during a crash can increase the risk of injury.
Manufacturer Remedy: Dealers will remove and replace the front windshield urethane sealant, free of charge. Owner notification letters were mailed on August 31, 2021. Owners may contact FCA US LLC customer service at 1-800-853-1403. FCA US LLC's number for this recall is Y47.
NHTSA Campaign #24V198000Reported: 14/03/2024

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.

Safety Consequence: An inflator rupture may result in sharp metal fragments striking occupants, resulting in injury or death.
Manufacturer Remedy: Dealers will replace both side curtain air bags, free of charge. Owner notification letters were mailed beginning February 20, 2025. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 19B.

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:

1. Cold Start & Idle Diagnostics

Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).

2. Transmission Shift Quality Audit

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.

3. Federal Recall Completion Check

Verify that all 2 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.

4. Electrical & Infotainment Drain Check

Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.

Frequently Answered Questions

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: 35,00075,000 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.