repaired · 2026 Q3
Body: door
NewRisk. The incorrect window glazing material may reduce the driver's visibility, increasing the risk of a crash.
2018 Mci J4500Problems, recalls & complaints
NHTSA has logged 0 owner complaints about the 2018 Mci J4500. It is covered by 13 safety recalls, and for recall 19V-344 the manufacturer reports only 49% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through December 10, 2025. Updated daily.
Complaints by system
Where the 2018 Mci J4500 has problems
0 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
13 recalls
2018 Mci J4500 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2023 Q3
Electrical system
Risk. MDP circuit board failure can result in a fire or an unexpected vehicle shutdown, increasing the risk of a crash.
repaired · 2023 Q1
Fuel injection system: fuel rail
Risk. A fuel leak in the presence of an ignition source increases the risk of a fire.
repaired · 2022 Q4
12v/24v/48v battery: cables
Risk. The power cables may chafe, increasing the risk of a fire.
Show 9 more recalls
repaired · 2022 Q3
Cooling system: hoses/lines/piping/fittings
Risk. The spilled coolant may increase the risk of a crash.
repaired · 2022 Q2
Electrical system: alternator/generator/regulator
Risk. If the engine shuts down or loses power while the vehicle is in motion, this may increase the risk of a crash.
repaired · 2022 Q3
Seat belts
Risk. Inability to use the seat belt may increase the risk of injury in the event of a crash.
repaired · 2022 Q1
Service brakes, air
Risk. A leaking brake hose could cause a delay in the actuation time of the front brake, which would increase vehicle's stopping distance and increase the risk of a…
repaired · 2020 Q3
Visibility: sun/moon roof assembly
Risk. If the tempered glass roof hatch shatters, glass fragments may fall onto passengers, increasing the risk of an injury.
repaired · 2020 Q3
Emergency: escape/egress/exit
Risk. In the event of an emergency, an insufficient number of emergency egress windows can lengthen the time that passengers need to exit the vehicle, increasing the…
repaired · 2019 Q4
Visibility: glass, side/rear
Risk. If the left rear window separates from the vehicle while it is moving, it can become a road hazard, increasing the risk of crash or injury.
repaired · 2019 Q3
Electrical system: wiring
Risk. If the left taillight does not work, the coach would have reduced visibility to other drivers, increasing the risk of a crash.
repaired · 2019 Q1
Supply: hoses, lines/piping, and fittings
Risk. The incorrect air pressure readings may increase the risk of a crash by delaying the driver's reaction to addressing the low air condition.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mci.
Best & worst years
2018 vs. every other J4500 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the J4500 median. How we score
'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'25'26
- Avoid
- Caution
- Solid
- Best
- Not rated
1 investigation
NHTSA defect investigations
Federal investigations that included the 2018 Mci J4500, and the recalls they led to.
- Supply and return heater hose ruptureLed to recall 20V-526
Own a 2018 J4500?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.