Heartland MALLARD problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
16 owner complaints analyzed
12 distinct recall campaigns
1,001 mi median reported failure mileage
Scope: 2016 to 2024 model years. Data snapshot: . 5 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Electrical System is the most frequently named component, appearing in 3 of 16 complaints (18.8%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 4 | 25.0% |
| Braking behavior | 2 | 12.5% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System | 3 |
| Suspension | 3 |
| Unknown Or Other | 3 |
| Wheels | 3 |
| Equipment:Recreational Vehicle/Trailer | 2 |
| Service Brakes | 2 |
| Equipment | 1 |
| Equipment:Mechanical:Slide-In Camper | 1 |
Electrical System: 3; Suspension: 3; Unknown Or Other: 3; Wheels: 3; Equipment:Recreational Vehicle/Trailer: 2; Service Brakes: 2; Equipment: 1; Equipment:Mechanical:Slide-In Camper: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 5 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 5; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (5). 11 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
2016: 2; 2017: 1; 2019: 2; 2020: 1; 2021: 1; 2022: 4; 2023: 1; 2024: 3; 2025: 1
Pattern summary
Electrical System leads the component reports. Electrical and battery issues appears in 4 complaint narratives. Braking behavior appears in 2 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10911218 · 2016-10-03 (October 3, 2016)
TL* THE CONTACT OWNS A 2017 HEARTLAND MALLARD. THE CONTACT STATED THAT AFTER THE VEHICLE WAS PARKED OVER 24 HOURS, IT WAS INFORMED THAT THE VEHICLE CAUGHT ON FIRE. A FIRE REPORT WAS FILED AND IT WAS DETERMINED THAT THE FIRE ORIGINATED FROM THE LED LIGHTS. THE FIRE WAS EXTINGUISHED OUT BY ANOTHER OBSERVANT CONTACT. NO INJURIES WERE SUSTAINED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 16V566000 (ELECTRICAL SYSTEM). THE MANUFACTURER WAS ATTEMPTED TO BE REACHED BUT WAS NOT NOTIFIED. THE FAILED MI…
Owner-reported narrative. 300 miles reported. Look up ODI 10911218 at NHTSA ↗
Owner report 11221296 · 2019-06-19 (June 19, 2019)
WIRING CONNECTION ON THE HOT WATER HEATER WAS NOT MADE SUFFICIENTLY WHICH LED TO THE WIRE BEING MELTED. THE ELECTRICAL BURNING SMELL WAS QUICKLY FOUND AND POWER WAS TURNED OFF TO THE TANK TO PREVENT FURTHER BURNING. THE UNIT WAS NOT MOVING AND WAS SETUP IN A CAMPGROUND.*DT *TR*DT*JB
Owner-reported narrative. 1,500 miles reported. Look up ODI 11221296 at NHTSA ↗
Owner report 11256681 · 2019-09-19 (September 19, 2019)
2019 HEARTLAND MALLARD M280 VIN [XXX] - BOUGHT JUNE 12, 2018 FROM CAMPING WORLD IN MONTICELLO, MN. ONLY USED ON 10 LOCAL CAMPING TRIPS. LOUD SQUEAKING FROM WHEELS - BROUGHT TO HILLTOP RV IN ROCHESTER, MN ON MONDAY SEPT 16, 2019. SERVICE REMOVED THE TIRE AND THE BRAKE DRUM FELL OFF. LUCKY THIS DID NOT OCCUR WHILE DRIVING AND CAUSED SEVERE ACCIDENT OR DEATH. MIGHT WANT TO INCLUDE MORE UNITS IN YOUR RECALL AS MINE WOULD BE CONSIDERED OUT OF THIS TIME FRAME - HTTP://WWW.ARFC.ORG/RVS/HEARTLAND/MALLARD/RECALLS/000091506003664723000000058/RECALL.…
Owner-reported narrative. Look up ODI 11256681 at NHTSA ↗
Owner report 11474132 · 2022-07-15 (July 15, 2022)
Camping World did a warranty axle repair in March 2021. During this repair, they mounted the axle but did not connect the electrics - I have pictures of coiled wires they left after mounting the new axle. This meant that the rear axle did not have the electric brakes, or the emergency breakaway disconnect. I had a electrician crimp the brakes during a trip in april 2021, after I discovered this. Since I'm not a technician, I did not know that the emergency breakaway also needed to be connected. It remains unconnected to this day. The emer…
Owner-reported narrative. Look up ODI 11474132 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
2016: 1; 2017: 3; 2018: 1; 2019: 2; 2020: 2; 2021: 5; 2022: 1; 2023: 2; 2024: 1