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2021 Heartland MallardProblems, recalls & complaints

NHTSA has logged 3 owner complaints about the 2021 Heartland Mallard, most often about the suspension. It is covered by 5 safety recalls, and for recall 21V-428 the manufacturer reports only 17% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls5Lowest repair rate 17%Owner complaints30 with a crash, fire or injuryTop problem3Suspension

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through May 22, 2024. Updated daily.

Complaints by system

Where the 2021 Heartland Mallard has problems

3 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Suspension30
Power train10
Structure10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

5 recalls

2021 Heartland Mallard recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

35%repaired · 2023 Q2

Appliance: refrigerator

Recall 21V-557 · Jul 22, 2021 · 649 vehicles · 230 repaired

Risk. An improperly routed vent may allow the refrigerator to overheat, increasing the risk of a fire.

Problem, fix and repair progress →

17%repaired · 2023 Q2

Recreational vehicle/trailer: lpg systems

Recall 21V-428 · Jun 4, 2021 · 22,326 vehicles · 3,846 repaired

Risk. Increased propane pressure can enlarge the flames in gas appliances, increasing the risk of a fire.

Problem, fix and repair progress →

75%repaired · 2022 Q4

Suspension: multiple axle

Recall 21V-009 · Jan 14, 2021 · 76 vehicles · 57 repaired

Risk. The incorrect axles, rims, and tires can cause the trailer to be overloaded, increasing the risk of a crash.

Problem, fix and repair progress →

Show 1 more recall
24%repaired · 2022 Q3

Equipment

Recall 20V-486 · Aug 18, 2020 · 204 vehicles · 48 repaired

Risk. Contact with the shackle can cause premature failure of the LP hose, increasing the risk of a fire in the presence of an ignition source.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Heartland.

Best & worst years

2021 vs. every other Mallard year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Mallard median. How we score

'16'17'18'19'20'21'22'23'24
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What Mallard owners report

Recent suspension complaints filed with NHTSA, shortened. Personal details are removed.

2021 HEARTLAND MALLARD. CONSUMER WRITES IN REAFRDS TO AXLE SAFETY RECALL. THE CONSUMER STATED THE LOWER METAL SIDING SEPARATED FROM THE TRAILER AND BEGAN SCRAPING THE TIRES. THE CONSUMER BELIEVED THIS WAS CAUSED BY THE LARGER TIRES RECOMMENDED BY THE RECALL NOTICE. THE VEHICLE WAS REPAIRED, BUT THE…
Complaint 11428502 · Aug 10, 2021

Own a 2021 Mallard?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.