# Other MAS004816\_A MTB 26\-04

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Other
- NHTSA id: 11031360
- Published by NHTSA: 2026\-04\-17
- Manufacturer's number: MAS004816\_A MTB 26\-04
- Manufacturer's date: 2026\-04\-15
- NHTSA component: FUEL/PROPULSION SYSTEM; UNKNOWN OR OTHER

## NHTSA's summary

This 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

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031360-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031360-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Fuel system

## Vehicles listed

- 2014 to 2024 MASERATI GHIBLI
- 2022 MASERATI GRECALE
- 2023 to 2026 MASERATI GRECALE
- 2025 to 2026 MASERATI GRECALE FOLGORE
- 2014 to 2016 MASERATI LEVANTE
- 2017 to 2024 MASERATI LEVANTE
- 2017 MASERATI LEVANTE S
- 2021 MASERATI MC20
- 2022 to 2025 MASERATI MC20
- 2026 MASERATI MC20
- 2023 to 2025 MASERATI MC20 CIELO
- 2026 MASERATI MC20 PURA
- 2004 MASERATI QUATTROPORTE
- 2005 to 2024 MASERATI QUATTROPORTE
- 2014 MASERATI QUATTROPORTE GTS
- 2005 MASERATI QUATTROPORTES

## Recalls for the same vehicles and component

- [24V269000](/recalls/nhtsa/24V269000.md), 2024-04-15: FUEL SYSTEM, GASOLINE:DELIVERY:PRESSURE SENSOR; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
- [2021687](/recalls/tc/2021687.md), 2021-11-10: Fuel System
- [21V872000](/recalls/nhtsa/21V872000.md), 2021-11-10: FUEL SYSTEM, GASOLINE:DELIVERY:PRESSURE SENSOR; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
- [2018701](/recalls/tc/2018701.md), 2018-12-13: Fuel System
- [18V831000](/recalls/nhtsa/18V831000.md), 2018-11-26: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
- [2017658](/recalls/tc/2017658.md), 2017-12-21: Fuel System
- [17V834000](/recalls/nhtsa/17V834000.md), 2017-12-21: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
- [2017474](/recalls/tc/2017474.md), 2017-09-29: Fuel System
- [17V610000](/recalls/nhtsa/17V610000.md), 2017-09-29: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
- [2017032](/recalls/tc/2017032.md), 2017-01-20: Fuel System

## Other bulletins for the same vehicles and component

- [MAS005253 RU 26\-16](/bulletins/11035471.md), 2026-08-03, Service campaign: UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. Certain Maserati vehicles listed in MODISCS\+ are involved in a Rapid Update to check and, if necessary, restore the correct position of the fuel vapor filter pipes. On some vehicles, the fuel vapor filter may be positioned outside the specified routing, which may result in incorrect pipe orientation. If present, this condition may cause the pipes to become pinched and affect component operation. This preventive action is intended to verify the installation and, if necessary, restore the correct routing to help ensure proper system performance.
- [Page 1 of 2 TECHNICAL SER](/bulletins/11034173.md), 2026-07-01, Other: UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. Grecale MHEV – Updated Transmission Removal Procedure for Fuel System Repairs For Grecale Hybrid \(MHEV\) vehicles, repairs involving the high\-pressure fuel pump area or the associated high\-pressure fuel lines previously required removal of the complete powertrain assembly.
- [MAS005092 DS 26\-04](/bulletins/11030450.md), 2026-04-01, Other: UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. Grecale MHEV – Turbocharger Inspection Procedure for Whistling Noise. This bulletin provides guidance to the service network regarding the checks to be performed on the turbocharger when the only symptom reported is a whistling noise during acceleration. This communication originates from several cases where the noise was not caused by the turbocharger itself, but by the gasket located between the turbocharger and the cylinder head.
- [MAS004995 MTB 25\-47](/bulletins/11026840.md), 2025-12-24, Other: UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. This bulletin provides updated information regarding the serviceability of the in\-tank fuel pumps for MC20, GranTurismo, and GranCabrio.
- [MAS004912 DS 25\-33](/bulletins/11024680.md), 2025-10-31, Other: FUEL/PROPULSION SYSTEM; UNKNOWN OR OTHER. This bulletin provides updated diagnostic and repair instructions for identifying and addressing corrosion\-related concerns in the low\-pressure fuel pump on all Maserati models equipped with internal combustion engines \(ICE\).
- [MAS004819 DS 25\-22](/bulletins/11021162.md), 2025-08-01, Other: UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. This bulletin provides diagnostic and repair instructions for addressing corrosion\-related issues in the low\-pressure fuel pump on Grecale models. Affected Models: M182 MHEV and V6 \(All MY\)
- [MAS004816 MTB 25\-30](/bulletins/11021160.md), 2025-08-01, Service bulletin: FUEL/PROPULSION SYSTEM; UNKNOWN OR OTHER. This 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. Affected Models \(All Model Years\) \- Quattroporte, Ghibli, and Levante – V8 engines only \- MC20 Coupé/Cielo \(M240\) – with black exhaust finish \- Grecale \(M182\) – with black exhaust finish
- [MAS004722 CSN 25\-05](/bulletins/11017393.md), 2025-05-01, Service campaign: UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. Certain Maserati Grecale BEV \(M182\) MY25 listed in MODISCS\+ are involved in a Customer Service Notification \(CSN\) to update the BPCM \(Battery Pack Control Module\) software. This CSN replaces the previous 760 campaign, which was suspended due to a software anomaly identified in the P8.2 release. Under very specific and infrequent conditions, the vehicle could inadvertently enter "turtle mode" immediately following a key\-on event.
- [MAS004109](/bulletins/11017390.md), 2025-05-01, Other: UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. The purpose of this document is to provide diagnostic information regarding anomalies of the 48V battery. MODELS: M157, M161, M182. MHEV vehicles only. All MYs.
- [MAS004697 MCL 25\-23](/bulletins/11017199.md), 2025-04-24, Other: FUEL/PROPULSION SYSTEM; UNKNOWN OR OTHER. MC20 Cielo \- Serviceability of the fuel tank door lock. This communication is intended to provide important information on the serviceability of the fuel door lock/unlock mechanism. If you experience any problems, you can now replace it instead of the entire rear fender.

JSON: [/v1/bulletins/11031360](/v1/bulletins/11031360)

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