Maserati bulletin MAS004757 DS 25-16
What it saysThis Diagnostic Sheet serves as a guide and provides a diagnostic path to help determine the root cause of certain HVAC concerns. NHTSA’s full summary ↓
Maserati filed this with NHTSA as a service bulletin dated May 30, 2025, received Jun 2, 2025. It names 6 model years (2021–2025). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThis Diagnostic Sheet serves as a guide and provides a diagnostic path to help determine the root cause of certain HVAC concerns.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| MAS004757 DS 25-16 | Service bulletin | May 30, 2025 | 11018753 | PDF, 355 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themAlso filed against model years this site has no page for: 2021 Maserati MC20.
A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Maserati, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Maserati MAS004757 DS 25-16 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the MAS004757 DS 25-16 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.
Which vehicles does MAS004757 DS 25-16 cover?
The manufacturer filed it against 6 model years: 2024 Maserati Grancabrio, 2025 Maserati MC20, 2024 Maserati MC20, 2023 Maserati MC20, 2022 Maserati MC20, 2021 Maserati MC20. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.