2003 Mci D4500 problems, complaints & recalls
Safety recalls (3)
Visibility:glass, Side/Rear 2025-12-10 · campaign 25V853000 · 15,454 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain 102DL3, 102D3, MC12PTV, E4500, D4000, 102D3ISTV, D4500, J4500, D4000ISTV, D4005, D4505, and J3500 transit buses. Please refer to MCI's recall report for specific model year information. The front door lower curb view glazing material is incorrect. As such, these vehicles fail to conform to Federal Motor Vehicle Safety Standard (FMVSS) number 205, "Glazing Materials."
Risk: The incorrect window glazing material may reduce the driver's visibility, increasing the risk of a crash.
Fix: MCI will replace the glass, free of charge. Owner notification letters were mailed February 4, 2026. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is 22-005.
Electrical System 2013-10-17 · campaign 13V498000 · 10,016 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain model year 2000-2012 D, E, G and J series coaches manufactured January 2000 through June 2011 and equipped with Sure Power battery equalizers containing a particular epoxy sealing, aka 'potting', compound. The specific potting compound used in the subject products for insulation was found to be capable of conducting electricity after being exposed to heat.
Risk: Once electrically conductive, the material is capable of melting and burning, increasing the risk of a fire.
Fix: MCI will notify owners, and Sure Power will replace the equalizers, free of charge. Owners may contact MCI at 1-847-285-2000. This campaign is MCI service bulletin 401.
Equipment Adaptive/Mobility 2010-03-09 · campaign 10V087000 · 4,457 vehicles
Defect: MCI IS RECALLING CERTAIN MODEL YEAR 2000-2009 D4000, MODEL YEAR 2001-2010 D4500 AND MODEL YEAR 2005-2007 D4505 COACHES EQUIPPED WITH RICON WHEELCHAIR LIFT (WCL) AND A CASSETTE-TYPE WCL COMPARTMENT DOOR. THE WHEELCHAIR LIFT MAY BECOME DISENGAGED FROM A LOCKED POSITION AND SLIDE UNRESTRAINED ON ITS ROLLERS IN THE STORAGE STRUCTURE, POTENTIALLY BREAKING THROUGH THE CASSETTE DOOR AND EXTENDING BEYOND THE OUTSIDE OF THE DOOR WHEN THE COACH IS IN MOTION, PARTICULARLY WHEN THE COACH IS MAKING A LEFT T
Risk: IF THE COACH IS IN MOTION, POTENTIAL INJURY TO PERSONS AND/OR DAMAGE TO OTHER VEHICLES OR PROPERTY COULD OCCUR.
Fix: MCI WILL PROVIDE PARTS AND LABOR TO INSTALL FREE OF CHARGE TO CUSTOMERS, A RICON DESIGNED RETROFIT KIT THAT INCLUDES A SPRING LOADED LOCK MECHANISM. THE SAFETY RECALL BEGAN ON MARCH 31, 2010. OWNERS MAY CONTACT MCI CUSTOMER SERVICE LINE AT 1-800-241-2947.
Service bulletins (4)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Electrical System 2019-10-07 · SB 3120 · Service Bulletin/Repair Instructions
this service bulletin informs owners of the procedure to clean the batteries and reapply corrosion inhibitor every 6000 miles or 3 months, whichever first occurs.
Unknown Or Other 2011-04-25 · SB-357 · Service Bulletin/Repair Instructions
motor coach indudstries: information on replacing the coolant pump that may have a problem. *rm
Power Train:manual Transmission 2011-02-24 · 354 · Service Bulletin/Repair Instructions
motor coach industries service campaign: see document search button for owner letter. there may be a harsh downshift, rpm flare, or the transmission may lock. *rm
Power Train:driveline:universal Joint 2009-02-24 · SB-277C · Service Bulletin/Repair Instructions
motor coach: tag axle/driveshaft interference-fixed tag axle. interference due to limited clearance between drive shaft u joint bearing cap bolts and tag axle center beam. model years unknown. *pe
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.