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Service bulletin MAS004816 MTB 25-30

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11021160
Published by NHTSA2025-08-01
Manufacturer's numberMAS004816 MTB 25-30
Manufacturer's date2025-07-30
NHTSA componentFUEL/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. 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

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system

Vehicles listed
MASERATI GHIBLI2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
MASERATI GRECALE2022
MASERATI GRECALE2023, 2024, 2025
MASERATI LEVANTE2014 to 2016
MASERATI LEVANTE2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
MASERATI LEVANTE S2017 (the catalog's model; the bulletin names a series or trim of it)
MASERATI MC202021
MASERATI MC202022, 2023, 2024, 2025
MASERATI MC20 CIELO2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
MASERATI QUATTROPORTE2004
MASERATI QUATTROPORTE2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
MASERATI QUATTROPORTE GTS2014 (the catalog's model; the bulletin names a series or trim of it)
MASERATI QUATTROPORTES2005 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
24V2690002024-04-15. FUEL SYSTEM, GASOLINE:DELIVERY:PRESSURE SENSOR; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
20216872021-11-10. Fuel System
21V8720002021-11-10. FUEL SYSTEM, GASOLINE:DELIVERY:PRESSURE SENSOR; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
20187012018-12-13. Fuel System
18V8310002018-11-26. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
20176582017-12-21. Fuel System
17V8340002017-12-21. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
20174742017-09-29. Fuel System
17V6100002017-09-29. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
20170322017-01-20. Fuel System

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
Page 1 of 2 TECHNICAL SER2026-07-01. Other. 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.
MAS004816_A MTB 26-042026-04-17. 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
MAS005092 DS 26-042026-04-01. Other. 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 25-472025-12-24. Other. This bulletin provides updated information regarding the serviceability of the in-tank fuel pumps for MC20, GranTurismo, and GranCabrio.
MAS004912 DS 25-332025-10-31. 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 25-222025-08-01. Other. 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)
MAS004722 CSN 25-052025-05-01. Service campaign. 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.
MAS0041092025-05-01. Other. 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 25-232025-04-24. 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.
MAS004682 DS 25-132025-04-24. Other. Grecale Low Pressure Fuel Pump Diagnosis. his Diagnostic Sheet serves as a guide and provides additional diagnostic info for the Low fuel pressure Fuel pump on Grecales.