WenmarOpen by Wenmar Pro

Service bulletins for the 2023 Maserati MC20

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.

111 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
MAS004834 DS 25-272025-08-18. Other. SUSPENSION; UNKNOWN OR OTHER. This document outlines the correct diagnostic and evaluation procedure when oil traces or leakage are observed on front or rear shock absorbers. It aims to help technicians distinguish between acceptable oil sweating and genuine component leakage requiring corrective action. MODELS INVOLVED: ALL (All MY).
MAS004816 MTB 25-302025-08-01. 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
MAS004779 MCL 25-352025-07-30. Other. UNKNOWN OR OTHER. MC20 Coupè & Cielo - Pre Delivery Inspection (PDI) process and relevant Check Lists
MAS004789 DS 25-192025-07-18. Other. ENGINE; UNKNOWN OR OTHER. This diagnostic sheet is intended to assist technicians in identifying and differentiating engine oil leaks and sweating.
MAS004772_A MTB 25-262025-07-18. Other. SERVICE BRAKES. Carbon ceramic braking system components are subject to wear, particularly under high-performance driving conditions such as track use. Includes GT2 Stradale During aggressive or high-intensity driving on the track, the braking system can reach extremely high temperatures. This may result in: • Braking noise • Vibrations • Reduced braking performance
MAS004330 MCL 25-312025-06-30. Other. UNKNOWN OR OTHER. The Rapid Updates (Campaigns) in the list below will be closed starting from June 16, 2025. Claims received after this date will no longer be accepted. 243 275 288 294 306 326 332 333 337 348 353 355 364 366 371 374 379 385 388 390 395 400 447 448 449 451 452 460 461 462 468 471 477 481 484 520 522 523 540 544 546 565 566 587 588 593 595 600 603 607 610 611 615 642 10272 10364 10443
MAS004589_A MTB 25-222025-06-17. Service bulletin. UNKNOWN OR OTHER. This bulletin provides clear instructions on how to perform a proper tightening torque check. Follow this procedure when requested or when analyzing the root cause of a fastener-related issue.
MAS004585_B RU 25-142025-06-17. Service campaign. UNKNOWN OR OTHER; SEATS. Certain Maserati MC20 (M240) MY22 MY23 MY24 listed in MODISCS+ are involved in a Rapid Update to install “Spacers” inside the seat guide rails on BOTH Driver and Passenger side seats. On some vehicles, the electronic seat movement may potentially stop when it reaches the end of its range, making it difficult to adjust the seat afterward. To avoid this issue, a spacer will need to be inserted in front of the limit switch to prevent the mechanism from reaching its absolute limit.
MAS004438_A MTB 25-162025-06-17. Service bulletin. ENGINE; UNKNOWN OR OTHER. This Technical bulletin serves as a diagnostic guide for managing oil leaks and instructing related repairs. This Bulletin requires a BOL to be opened as “Support Request”
MAS004757 DS 25-162025-06-02. Service bulletin. UNKNOWN OR OTHER. This Diagnostic Sheet serves as a guide and provides a diagnostic path to help determine the root cause of certain HVAC concerns.
MAS004746 DS 25-172025-06-02. Service bulletin. STRUCTURE:BODY; UNKNOWN OR OTHER. This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible door panel anomalies.
MAS004744 MCL 25-272025-06-02. Service campaign. UNKNOWN OR OTHER. We have received several reports regarding issues encountered during the execution of FOTA campaign 740, particularly on MC20 vehicles. Initial analysis indicates that these sporadic issues are occurring on vehicles where the final target software has not yet been installed. Please note that some VINs included in CLR 740 require two separate FOTA updates to complete the campaign, as detailed in the VIN list provided in bulletin MAS004603. The second update can only begin after the first update is successfully completed. Additionally, several hours may pass before the second step is automatically triggered. This delay is dependent on vehicle usage and the availability of network coverage.
MAS004711 MCL 25-252025-06-02. Service bulletin. UNKNOWN OR OTHER. The Rapid Updates (Campaigns) in the list below will be closed starting from May 12, 2025. Claims received after this date will no longer be accepted. Effective from the publication date of this document, the Mandatory Flag will be removed for all campaigns listed, allowing for easier management as we approach the closure period
MAS003730_A MTB 25-172025-06-02. Other. UNKNOWN OR OTHER. The purpose of this communication is to provide a guideline concerning the execution of ECU software updates (ECUs) and to clarify how the EVO checks the availability of software updates for the ECUs installed in the vehicle.
MAS004704 MCL 25-242025-05-16. Other. UNKNOWN OR OTHER. After 7 years from the introduction of the Maserati Diagnosi EVO 2 (2nd generation), we inform you that Panasonic can no longer guarantee the repair of the hardware, therefore the swap service (Warranty repair/replacement exchange) may be discontinued during 2025 following the exhaustion of replacement components in stock.
MAS004438_A MTB 25-162025-05-16. Other. UNKNOWN OR OTHER; ENGINE. his Technical bulletin serves as a diagnostic guide for managing oil leaks and instructing related repairs. This Bulletin requires a BOL to be opened as “Support Request”.
MAS004711 MCL 25-252025-05-16. Other. UNKNOWN OR OTHER. The Rapid Updates (Campaigns) in the list below will be closed starting from May 12, 2025. Claims received after this date will no longer be accepted. Effective from the publication date of this document, the Mandatory Flag will be removed for all campaigns listed, allowing for easier management as we approach the closure period.
MAS004697 MCL 25-232025-04-24. 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.
MAS004669 MTB 25-132025-04-24. Other. UNKNOWN OR OTHER; WHEELS. Wheel Size Vehicle Config Update Info In case of rim replacement, which may involve the use of tires with a different rolling circumference, please note that a Proxy update is always required to adapt the Vehicle Configuration to the new wheel/tire combination fitted to the vehicle. Also remember that the required pressure can be different depending on the size of wheel rims/tires.
MAS004585_A RU 25-072025-04-24. Service campaign. UNKNOWN OR OTHER. Certain Maserati MC20 (M240) MY22 MY23 MY24 MY25 listed in MODISCS+ are involved in a Rapid Update to install “Spacers” inside the seat slide guides. On some vehicles, the electronic seat movement may potentially stop when it reaches the end of its range, making it difficult to adjust the seat afterward. To avoid this issue, a spacer will need to be inserted in front of the limit switch to prevent the mechanism from reaching its absolute limit.
MAS004620 MCL 25-162025-04-01. Other. UNKNOWN OR OTHER. MC20 Coupè & Cielo Pre Delivery Inspection (PDI) process and relevant Check Lists
MAS004585 RU 25-042025-04-01. Service campaign. UNKNOWN OR OTHER. Certain Maserati MC20 (M240) MY22 MY23 MY24 MY25 listed in MODISCS+ are involved in a Rapid Update to install “Spacers” inside the seat slide guides.
MAS004488 MCL 25-152025-04-01. Other. UNKNOWN OR OTHER. This document provides general instructions for the storage of new vehicles, including the new GranTurismo. These instructions should be followed by the personnel responsible for managing Maserati vehicles prior to their final sale to customers. The updates pertain to the maintenance and care of MHEV vehicles equipped with lithium-ion batteries, as well as notes on routine maintenance to be conducted according to the Service Schedule (including engine oil). Additionally, new policies for checking the 12V battery state of charge, applicable only to Grecale, are also outlined.
MAS004627 MCL 25-182025-03-19. Other. UNKNOWN OR OTHER. We are pleased to inform you that a new Tutorship process has been defined that will cooperate directly with the suppliers of the main components of Maserati’s cars to promptly intercept potential issues, reducing diagnosis times and providing maximum assistance and know-how for the resolution of our clients’ cases. Through the direct support of professional technicians, the Aftersales Tutorship Team with the supervision of the HQ Blue on Line Team will be able to carry out detailed diagnosis on reports coming from the network. If an intervention on a component under Tutorship is needed (see Tutorship List attached), you will have to create a Blue on Line as a Support Request. It’s important that you accurately follow the instructions that you will receive and do not replace a component without authorization.
MAS004589 MTB 25-082025-03-19. Other. UNKNOWN OR OTHER. This Technical bulletin serves as a guide and provides info with the aim of providing indications about the proper way to perform a tightening torque check, in the case it is needed or requested. In order to allow a proper and effective analysis of the defective route cause.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.