2021 Heartland Mallard: recalls and complaints

NHTSA lists 5 recall campaigns for the 2021 Heartland Mallard. The newest campaign is 21V557000. NHTSA received the report on 22 Jul 2021. The NHTSA record gives the component Equipment / Appliance / Refrigerator. NHTSA has 3 complaints on file for this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 21V557000, in the NHTSA record

Dealers will inspect the roof vent, and repair the vent sleeve connection if necessary, free of charge. Owner notification letters were mailed August 31, 2021. Owners may contact Heartland customer service at 1-877-262-8032.

NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.
NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on 1 Oct 2026. Complaint file through 30 Sep 2026. Recall file through 30 Sep 2026.

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

5 campaigns, newest first. 25,741 units in total.

21V55700022 Jul 2021Equipment / Appliance / Refrigerator
21V45300017 Jun 2021Equipment / Appliance / Oven/Stove/Cooktop
21V4280004 Jun 2021Equipment / Recreational Vehicle/Trailer / LPG Systems
21V00900014 Jan 2021Tires
20V48600018 Aug 2020Equipment

21V557000Received 22 Jul 2021. 649 units.
Equipment / Appliance / Refrigerator
Defect, in the NHTSA record
Heartland Recreational Vehicles, LLC (Heartland) is recalling certain 2021 North Trail and Mallard recreational trailers. The refrigerator roof vents were not routed properly during production.
Consequence, in the NHTSA record
An improperly routed vent may allow the refrigerator to overheat, increasing the risk of a fire. Further, exhaust gas trapped inside the vehicle can cause carbon monoxide poisoning, increasing the risk of injury or death.
Remedy, in the NHTSA record
Dealers will inspect the roof vent, and repair the vent sleeve connection if necessary, free of charge. Owner notification letters were mailed August 31, 2021. Owners may contact Heartland customer service at 1-877-262-8032.
Report filed by Heartland Recreational Vehicles, LLC. Owner notification date in the NHTSA record: 31 Aug 2021.
21V453000Received 17 Jun 2021. 2,486 units.
Equipment / Appliance / Oven/Stove/Cooktop
Defect, in the NHTSA record
Heartland Recreational Vehicles, LLC (Heartland) is recalling certain 2021 Mallard, Wilderness, Trail Runner and 2020-2021 North Trail trailers. The LP gas lines may not have been tightened properly on the outside cooktops, which could result in a gas leak.
Consequence, in the NHTSA record
A gas leak can increase the risk of a fire.
Remedy, in the NHTSA record
Dealers will inspect and tighten the LP gas lines, and test the propane system for leaks, free of charge. Owner notification letters were mailed August 10, 2021. Owners may contact Heartland customer service at 1-877-262-8032.
Report filed by Heartland Recreational Vehicles, LLC. Owner notification date in the NHTSA record: 10 Aug 2021.
21V428000Received 4 Jun 2021. 22,326 units.
Equipment / Recreational Vehicle/Trailer / LPG Systems
Defect, in the NHTSA record
Heartland Recreational Vehicles, LLC. (Heartland) is recalling certain 2018-2021 Mallard, Shadow Cruiser, Sundance XLTTT, Wilderness, Prowler, Trail Runner, 2018-2019 Pioneer, Terry Classic, 2020-2021 Lithium, and 2021 North Trail trailers equipped with a Winntec model 6020 two-stage propane regulator. The regulator may fail, causing an increase in propane pressure.
Consequence, in the NHTSA record
Increased propane pressure can enlarge the flames in gas appliances, increasing the risk of a fire.
Remedy, in the NHTSA record
Dealers will replace the regulator and test the propane system for leaks, free of charge. Owner notification letters were mailed August 3, 2021. Owners may contact Heartland customer service at 1-877-262-8032.
Report filed by Heartland Recreational Vehicles, LLC. Owner notification date in the NHTSA record: 3 Aug 2021.
21V009000Received 14 Jan 2021. 76 units.
Tires
Defect, in the NHTSA record
Heartland Recreational Vehicles, LLC (Heartland) is recalling certain 2021 Mallard M180BH recreational trailers. These units had incorrect axle, rims, and tires installed during production.
Consequence, in the NHTSA record
The incorrect axles, rims, and tires can cause the trailer to be overloaded, increasing the risk of a crash.
Remedy, in the NHTSA record
Heartland will notify owners, and dealers will replace the axle, rims, tires and the spare tire, free of charge. The recall began January 28, 2021. Owners may contact Heartland customer service at 1-877-262-8032.
Report filed by Heartland Recreational Vehicles, LLC. Owner notification date in the NHTSA record: 28 Jan 2021.
20V486000Received 18 Aug 2020. 204 units.
Equipment
Defect, in the NHTSA record
Heartland Recreational Vehicles, LLC (Heartland) is recalling certain 2021 Mallard travel trailers. The liquid propane (LP) hose and connector may contact the suspension shackle.
Consequence, in the NHTSA record
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.
Remedy, in the NHTSA record
Heartland will notify owners, and dealers will relocate the hose to prevent the LP hose/connector from being able to make contact with the shackle. The recall began October 9, 2020. Owners may contact Heartland customer service at 1-877-262-8032.
Report filed by Heartland Recreational Vehicles, LLC. Owner notification date in the NHTSA record: 9 Oct 2020.

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

3 complaints, 5 component mentions.

A complaint can name more than one component. Each component that a complaint names is one component mention. This model year has fewer than 50 component mentions, so the table shows the number of mentions only.

2021 Heartland Mallard: component mentions in complaints
Component		Mentions
Suspension		3
Power Train		1
Structure		1

Complaints that report a crash: 0
Complaints that report a fire: 0
Injuries in the complaints: 0
Deaths in the complaints: 0
Date of the newest complaint: 22 May 2024

These figures are the entries of the persons who sent the complaints.

Complaint: A report about a possible safety problem that a person sends to NHTSA. This site shows the number of complaints and not their text.

Complaints about the 2021 Heartland Mallard, by the year NHTSA received them. The largest year is 2024, with 2 complaints.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

20161
20173
20181
20192
20202
20215
20221
20232
20241

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

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Official channels

NHTSA VIN lookupNHTSA shows the unrepaired recalls of one vehicle from its VIN or its license plate.
NHTSA: report a safety problemThe NHTSA form for a complaint about a vehicle, a tire, a child seat or equipment.
NHTSA page of the 2021 Heartland MallardThe recalls, the complaints and the investigations that NHTSA shows for this model year.

Cite this page

Recall Register. 2021 Heartland Mallard: recalls and complaints. https://recallregister.com/vehicle/heartland/mallard/2021/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through 30 Sep 2026.

Sources

Source: NHTSA Office of Defects Investigation
Licence: US government work, public domain
Recall file through: 30 Sep 2026
Complaint file through: 30 Sep 2026
First complaint in the file: 1 Jan 1995
Manufacturer in the recall file: Heartland Recreational Vehicles, LLC

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2021 Heartland Mallard?: 25,741 units in 5 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Heartland Mallard have for all model years?: NHTSA lists 12 recall campaigns for the Heartland Mallard, model years 2016 to 2024. 5 of them name the 2021 model year.
Which component do the complaints about the 2021 Heartland Mallard name most often?: Suspension: 3 of 5 component mentions.
Is an NHTSA investigation of the 2021 Heartland Mallard open?: The NHTSA investigation file has no investigation that names this model year.