Alexander Dennis Enviro 500 Recalls & Complaints by Model Year
NHTSA lists 1 safety recall and 0 owner complaints across 4 model years of the Alexander Dennis Enviro 500 (2017–2020).
Pick your Alexander Dennis Enviro 500 model year
| Model year | Recalls | Complaints |
|---|---|---|
| 2020 Alexander Dennis Enviro 500 | 1 | 0 |
| 2019 Alexander Dennis Enviro 500 | 1 | 0 |
| 2018 Alexander Dennis Enviro 500 | 1 | 0 |
| 2017 Alexander Dennis Enviro 500 | 1 | 0 |
All Alexander Dennis Enviro 500 recalls (1)
Every NHTSA safety campaign that lists a Alexander Dennis Enviro 500, most recent first, with the model years each one covers.
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Fuel rail (fuel system)
Alexander Dennis, Inc. (Alexander Dennis) is recalling certain 2017-2020 E500 buses. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Remedy: Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owner notification letters were mailed June 18, 2021. Owners may contact Alexander Dennis customer service at…
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.