Follow-up to a prior complaint on this VIN regarding a dangerous limp-mode event caused by a failed DEF injection nozzle. While climbing a steep grade on XXX in [XXX], the DEF dosing nozzle leaked, putting the vehicle into limp mode. Vehicle was limited to ~27 mph while surrounding traffic, including semi-trucks, moved at ~65 mph, creating a serious collision hazard on a grade with limited passing room. An authorized MB dealer (Mercedes-Benz of [XXX], [XXX]) replaced the nozzle. Vehicle then re-entered limp mode with no codes stored. Further diagnosis found the DPF clogged/broken, requiring full replacement. Prior to this trip, the same vehicle's EGR valve had already been cleaned twice and eventually replaced with the EGR cooler. Mercedes-Benz has separately extended the EGR valve warranty on this model range to 15 yrs/150,000 miles, indicating a known reliability issue. EGR problems are mechanically linked to DPF soot loading, and may have contributed to this DPF failure. All failures (EGR, DEF nozzle, DPF) occurred at approximately 72,815 miles – well under 100,000 miles and well short of the manufacturer's stated ~150,000-mile design life for these components. Filing to document a pattern of premature emissions-system failures on this platform and the real safety hazard created when the vehicle was forced into a dangerously slow, uncontrolled speed on a high-traffic mountain highway grade. It appears both the Diesel Particulate Filter, Injector Nozzle were the main failure points of this emission system. It should have at least a 10 year, 100,000 mile warranty (not 5yr, 100,000)! VIN: [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
The worst 2020 Airstream Interstate problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Engine2
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Engine2
Recalls 3
Equipment: other: labels
- What is wrong
- Airstream, Inc. (Airstream) is recalling certain 2019-2024 Interstate 19, Interstate 24, Interstate 24X, Rangeline and Atlas motorhomes. The Federal Certification Label and Tire Placard may indicate incorrect tire pressure and tire size. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."
- Risk
- Incorrect tire information can result in under-inflated tires or installing the incorrect-size tires, increasing the risk of a crash.
- Remedy
- Airstream will mail corrected labels, free of charge. Owner notification letters were mailed December 15, 2023. Owners may contact Airstream customer service at 1‑877‑596‑6505 or 1‑937‑596‑6111 ext. 7401 or 7411.
Recall number 23V772000 · Recall details
Equipment: other: labels
- What is wrong
- Airstream, Inc. (Airstream) is recalling certain 2020-2021 Interstate vehicles. The Federal Gross Vehicle Weight Rating (GVWR) may have incorrect occupant cargo carrying capacity weight listed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 120, "Wheels and Rims-Other Than Passenger Cars" and 49 CFR Part 567, "Certification."
- Risk
- The operator may overload the vehicle, increasing the risk of a crash.
- Remedy
- Airstream will notify owners, and provide a new label, free of charge. Owner letters were mailed June 10, 2021. Owners may contact Airstream customer service at 1‑877‑596‑6505 or 1‑937‑596‑6111 ext. 7401 or 7411.
Recall number 21V275000 · Recall details
Suspension: multiple axle
- What is wrong
- Airstream, Inc. (Airstream) is recalling certain model year 2020-2021 Airstream Atlas and Interstate motorhomes equipped with VB suspension systems. The lock portion of the countersink bolts attaching the VB Suspension system to the vehicle may be too long preventing the panhard rod bracket from fully contacting the springs, resulting in bolts absorbing the load instead of the bracket.
- Risk
- If the bolts carry the load rather than the bracket, it can cause them to break, affecting the vehicle handling and increasing the risk of a crash.
- Remedy
- Airstream will notify owners, and dealers will replace the suspension bolts, free of charge. This recall began August 26, 2020. Owners may contact Airstream customer service at 1‑877‑596‑6505.
Recall number 20V391000 · Recall details
Technical service bulletins for the 2020 Airstream Interstate 3
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
What 2020 Airstream Interstate owners say
Most recent owner complaints, unedited.
Driving in the mountains on I-70 in Colorado, the check engine light came on indicating an emission issue. The vehicle would only go a 27 mph in a 65 mph zone. I had to drive in the right lane with semis and other vehicles passing me. I got to the dealer and they are saying the the DEF injector/dosing module (injects urea into the exhaust stream ahead of the SCR catalyst) had failed. This component Needs to be added to the recall list. This is a very dangerous situation and the dealer says he has replace many before. Under the Dieselgate emission modification (per the 2021 Daimler/EPA/CARB settlement), the DEF/SCR system components got even more explicit extended coverage, since the settlement warranty language specifically calls out the SCR catalyst and related dosing components for extended protection beyond the base warranty. This component is failing on a regular basis and should be added to the recall regardless of whether it had the diesel gate modification.
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Questions about the 2020 Airstream Interstate
Is the 2020 Airstream Interstate reliable?
Owners have filed 2 complaints about the 2020 Airstream Interstate, close to a typical Interstate model year.
What is the most common problem with the 2020 Airstream Interstate?
Engine and cooling, with 2 complaints.
How many recalls does the 2020 Airstream Interstate have?
3 recalls, covering equipment and suspension.
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