Maserati bulletin MAS004816_A MTB 26-04
What it saysThis bulletin outlines the refinishing procedure for restoring the black coating on exhaust tips affected by peeling or flaking paint. NHTSA’s full summary ↓
Maserati filed this with NHTSA as a manufacturer communication dated Apr 15, 2026, received Apr 17, 2026, about the fuel/propulsion system. It names 39 model years (2016–2026). A manufacturer communication 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 bulletin outlines the refinishing procedure for restoring the black coating on exhaust tips affected by peeling or flaking paint. This validated process is intended to avoid unnecessary replacement of the entire exhaust silencer assembly
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| MAS004816_A MTB 26-04 | Other | Apr 15, 2026 | 11031360 | PDF, 496 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: 2022 Maserati Grecale; 2016 Maserati Levante; 2021 Maserati MC20; 2026 Maserati MC20; 2026 Maserati MC20 Pura.
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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What owners reported
Source: NHTSA complaint databaseOwners of the 34 model years this bulletin names have filed 88 complaints with NHTSA since 2015. 3 of them name Fuel/Propulsion System — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
Low pressure fuel feed hose part 670036871 at fuel pump module under rear seat leaking fuel, dripping to ground / floor pan. Same failure as Recall 17V-834 / Maserati Recall 256 for fuel line leak with fire risk. Vehicle outside recall VIN range but same part, same leak, 63k miles. Fuel odor, visible drip, fire hazard.
2017 Maserati Ghibli · Fuel/Propulsion System · filed with NHTSA Oct 30, 2026 · ODI 11774798
The contact owns a 2022 Maserati Levante. The contact stated that while depressing the accelerator pedal after being at a stop sign or stopped at a traffic light, the vehicle hesitated and jerked. No warning lights were illuminated.
2022 Maserati Levante · Fuel/Propulsion System · filed with NHTSA Sep 29, 2022 · ODI 11487147
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the fuel/propulsion system
Source: same model, same component group13 other manufacturer communications filed against these Maserati models under the same component group (fuel/propulsion system), newest first. The eight newest are listed; the rest are on the Maserati list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| RAPID UPDATE 833 | Service campaign | Jul 24, 2026 | Certain Maserati vehicles listed in MODISCS+ are involved in a Rapid Update to check and, if necessary, restore the correct position of the… |
| Page 1 of 2 TECHNICAL SER | Other | Jun 24, 2026 | Grecale MHEV – Updated Transmission Removal Procedure for Fuel System Repairs For Grecale Hybrid (MHEV) vehicles, repairs involving the high… |
| MAS005092 DS 26-04 | Other | Mar 25, 2026 | Grecale MHEV – Turbocharger Inspection Procedure for Whistling Noise. This bulletin provides guidance to the service network regarding the… |
| MAS004995 MTB 25-47 | Other | Dec 19, 2025 | This bulletin provides updated information regarding the serviceability of the in-tank fuel pumps for MC20, GranTurismo, and GranCabrio. |
| MAS004912 DS 25-33 | Other | Oct 31, 2025 | This bulletin provides updated diagnostic and repair instructions for identifying and addressing corrosion-related concerns in the low-pres… |
| MAS004819 DS 25-22 | Other | Jul 30, 2025 | This bulletin provides diagnostic and repair instructions for addressing corrosion-related issues in the low-pressure fuel pump on Grecale… |
| MAS004816 MTB 25-30 | Service bulletin | Jul 30, 2025 | This bulletin outlines the refinishing procedure for restoring the black coating on exhaust tips affected by peeling or flaking paint. This… |
| CUSTOMER SERVICE NOTIFICATION 786 | Service campaign | Apr 30, 2025 | Certain Maserati Grecale BEV (M182) MY25 listed in MODISCS+ are involved in a Customer Service Notification (CSN) to update the BPCM… |
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 MAS004816_A MTB 26-04 a recall?
No. A manufacturer communication 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 MAS004816_A MTB 26-04 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 MAS004816_A MTB 26-04 cover?
The manufacturer filed it against 39 model years: 2024 Maserati Ghibli, 2023 Maserati Ghibli, 2022 Maserati Ghibli, 2021 Maserati Ghibli, 2020 Maserati Ghibli, 2019 Maserati Ghibli and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.