Model year

2025 MCI D4520

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recall campaigns covering this model year1321 vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2025 MCI D4520 by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

One recall campaign covers the 2025 MCI D4520

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2025 MCI D4520
CampaignFiledSubjectComponentVehiclesRemedy
25V-457Jul 8, 2025Emergency exit label may be placed in the incorrect locationEquipment321Repair or modification
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2025 MCI D4520

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    Service bulletins

    8 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall.

    • TSIB 26-07 Aug 11, 2026 · Service Bulletin/Repair Instructions
      This bulletin is to provide instructions for clearing DTC 1067 FMI 7 (Pressure Sensor Not Calibrated) and FMI 11 (Primary and Secondary Circuit Pressure Sensor (PS1/PS2) Plausibility Error - BS Pressure), when required to prevent the loss of Adaptive Cruis…
    • TSIB 26-05 Jun 11, 2026 · Service Bulletin/Repair Instructions
      This bulletin introduces an optional product improvement to the A/C compressor drive system for coaches equipped with a Cummins X12. The improved pulley system is available for customers who wish to reduce noise and vibration characteristics and may be inst…
    • ITS61738 May 28, 2026 · Service Bulletin/Repair Instructions
      Instructions for installing updated software to allow the PLC system to "sleep".
    • TSIB 26-01 May 6, 2026 · Service Bulletin/Repair Instructions
      This TSIB provides information to provide a software update. Some coaches using MCC HVAC Eco-Tempo ECU # 07-10-009 software T35-1581 / V1.04 may be experiencing random fault codes due to MCC software errors.
    • TSIB 26-04 Feb 9, 2026 · Service Bulletin/Repair Instructions
      This TSIB is to inform customers the recommended steering axle cleaning/greasing instructions to prevent damage on axle components due to displacement of grease from the bearings, lubrication reduction and accelerate wear for coaches with independent front …
    • TSIB 25-09 Jan 7, 2026 · Service Bulletin/Repair Instructions
      Instructions to verify security of interior REI brand monitors on affected coaches.
    • TSIB 25-08 Oct 15, 2025 · Service Bulletin/Repair Instructions
      MCI noticed that some customers operating in severe duty environments were experiencing the exterior U-Joints of the lower steering shaft binding due to corrosion. Because of this, MCI has developed a new re-greaseable U-Joint service kit (NF PN: 6505981) t…
    • TSIB 25-05 Jun 26, 2025 · Service Bulletin/Repair Instructions
      This TSIB is to remind MCI coach operators that when servicing the HVAC belts, idler pulleys or the lower mount of the idler pulley bracket, ensure that the lower mount is adjusted so it is not contacting the bumper support beam nor the bumper itself.
    Source: NHTSA manufacturer communications files.