Erwin Hymer 2018 Motorhomes: Unsealed Batteries Risk Acid Spill Injury
Erwin Hymer is recalling 2018-2019 motorhomes with unsealed batteries that could cause acid spills and injury if overcharged. Owners must have a free voltage regulator fix installed by dealers.
Use caution until it’s fixed
If the supplied sealed batteries are replaced with batteries that are not sealed, overcharging the batteries may result in an acid spill, increasing the risk of injury.
What happened, in plain English
Erwin Hymer is recalling certain 2018-2019 motorhomes because the generator may overcharge auxiliary batteries. If unsealed batteries are used, acid spills could cause injury. Read more at govinfonow.com/recall/1224641-erwin-hymer-2018-motorhomes-unsealed-batteries-risk-acid-spill-injury.
Source Summary by GovInfoNow · govinfonow.com/recall/1224641-erwin-hymer-2018-motorhomes-unsealed-batteries-risk-acid-spill-injury · Updated October 5, 2026 · Official notice: NHTSA #18V712000
Cite this page
“Erwin Hymer 2018 Motorhomes: Unsealed Batteries Risk Acid Spill Injury.” GovInfoNow, updated October 5, 2026. https://govinfonow.com/recall/1224641-erwin-hymer-2018-motorhomes-unsealed-batteries-risk-acid-spill-injury. Based on NHTSA recall #18V712000 (https://www.nhtsa.gov/recalls?nhtsaId=18V712000).
Why it’s dangerous
The generator can overcharge auxiliary batteries if they're not sealed. This overcharging may cause acid spills, which could lead to injury if the spill contacts skin or eyes.
Who’s affected
Motorhome owners with 2018-2019 Erwin Hymer models (Aktiv, Aktiv 2.0, Carado Axion, Banff, Roadtrek Simplicity, Zion, and Zion SRT) are affected. Owners using unsealed batteries are at higher risk.
How to tell if you have this one
Check if your motorhome is a 2018-2019 model from Erwin Hymer's list: Aktiv, Aktiv 2.0, Carado Axion, Banff, Roadtrek Simplicity, Simplicity SRT, Zion, or Zion SRT. The recall started October 24, 2018.
- Brand
Erwin Hymer- Category
Vehicle
What to do — step by step
Contact Dealer for Fix
Dealers will install a free internal voltage regulator to prevent overcharging batteries.
Check Battery Sealing
Ensure your auxiliary batteries are sealed; unsealed batteries increase spill risk.
What NHTSA says to do
Erwin Hymer has notified owners, and dealers will install a new internal voltage regulator into the generator, free of charge. The recall began on October 24, 2018. Owners may contact Erwin Hymer customer service at 1-800-663-0066.
How this recall unfolded
Recall timeline
2 dated steps over 17 days.
- Recall began
- NHTSA received the defect report
Dates from the agency record only; steps without a date are left out.
Keep exploring
Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #18V712000 (November 10, 2018)
- Plain-language summary written by qwen3:4b on October 5, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.