2012 MCI D4505 problems, complaints & recalls
Updated from NHTSA data · How we count
No owner complaints are on file for the 2012 MCI D4505 yet. There are 8 recalls for this model year.
- Complaints
- 0
- Recalls
- 8
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Median mileage
- — at time of problem
Key facts
- The 2012 MCI D4505 has 8 recalls on file.
- NHTSA has opened 4 defect investigations covering this vehicle.
2012 MCI D4505 recalls (8)
- STRUCTURE:BODY:DOOR · VISIBILITY:GLASS, SIDE/REAR
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.
Remedy: 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.
- ENGINE AND ENGINE COOLING:EXHAUST SYSTEM · ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
Motor Coach Industries (MCI) is recalling certain 2011-2016 D4500, D4505, D4000, D4005, and D4000 ISTV motor coaches equipped with ISX engines. Due to vibrations, the exhaust bellow pipes develop a hole.
Risk: If the pipe develops a hole, during a regeneration cycle, hot exhaust gases may leak out, increasing the risk of a fire.
Remedy: MCI will notify owners, and dealers will replace the bellows pipe assembly with an improved part, free of charge. The recall began July 10, 2018. Owners may contact MCI customer service at 1-800-241-2947.
- ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Motor Coach Industries (MCI) is recalling certain 2011-2012 MCI D4000, D4005, D4500 and D4505 coaches equipped with Cummins ISX 12 liter engines. The vehicles may have an incorrectly installed exhaust bellow pipe, resulting in a bend in the pipe which can cause its premature failure.
Risk: If the pipe fails and a diesel regeneration cycle occurs, the hot exhaust gases will increase the risk of a fire.
Remedy: MCI will notify owners and dealers will inspect and replace any deformed or failed bellow pipes if necessary, free of charge. The recall began on June 15, 2017. Owners may contact Motor Industries at 1-800-241-2947. MCI's number for this recall is SB 397B.
- SEATS
Motor Coach Industries (MCI) is recalling certain model year 2011-2013 and 2015 J4500 coaches manufactured November 18, 2011, to July 10, 2015, 2011-2012 and 2014-2015 D4000 coaches manufactured manufactured September 24, 2010, to September 5, 2015, 2011-2013 and 2015-2016 D4005 coaches manufactured January 17, 2011, to November 23, 2015, 2012-2014 and 2016 D4000ISTV coaches manufactured July 18, 2012, to December 2, 2015, 2010-2016 D4500 coaches manufactured April 15, 2010, to December 18, 2015 and 2011-2016 D4505 coaches manufactured December 15, 2010, to December 4, 2015. The affected buses are equipped with certain Recaro Ergo-M Commercial Bus Driver Seats that have J-Brackets that may be missing welds which could allow the seat belt anchorage assembly to separate from the J-Bracket.
Risk: If the seatbelt anchorage assembly separates from the J-Bracket, the bus driver may not be properly restrained in the event of a crash increasing their risk of injury.
Remedy: MCI will notify owners and dealers will inspect the seats and determined if welds are missing. Any J-Bracket that is missing welds will be removed and replaced, free of charge. The recall began on February 15, 2016. Owners may contact MCI at 1-800-241-2947. MCI's number for this recall is SB 431.
- ELECTRICAL SYSTEM
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.
Remedy: 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.
- ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Motor Coach Industries (MCI) is recalling certain model year 2012-2013 D4000, D4000ISTV, D4005, D4500, and D4505 motorcoaches manufactured from May 2012 through December 2012 and equipped with a Cummins ISX EPA 2010 engine. In the affected buses, the bellows pipe in the exhaust system may have been incorrectly assembled, which could result in a failure of the pipe during operation.
Risk: During a regeneration process to clean exhaust emissions, if the bellows pipe has failed, the hot exhaust gases may not be contained, resulting in a fire.
Remedy: MCI will notify owners and dealers will inspect and replace the bellows pipes, as necessary, free of charge. The recall began on April 29, 2013. Customers may contact MCI at 1-847-285-2000.
- ELECTRICAL SYSTEM
Motor coach industries, inc (mci) is recalling certain model year 2012 d4505, d4500, and d4000istv motor coaches, equipped with a sedan style entrance door and an actia multiplex system. Thirty minutes after the park brake is set and the ignition is turned off, the entrance door will close without warning.
Risk: The entrance door will close without warning, increasing the risk of personal injury to people entering or exiting the bus.
Remedy: Mci will notify owners, and remedy the affected coaches by reprogramming the multiplex system, free of charge. The recall began on april 11, 2012. Owners may contact mci at 1-800-241-2947.
- ELECTRONIC STABILITY CONTROL (ESC)
Motor coach industries (mci) is recalling certain model year 2003, and 2007-2012 e and j models along with model year 2007-2012 d4000, d4005, d4500, d4505, d4000istv motor coaches equipped with meritor wabco electronic stability control (esc) modules, manufactured from october 2002, through october 2011. Under certain road and driving conditions, vehicle body roll and road inclination characteristics may adversely affect the slip angle calculation of the electronic stability control (esc) system. This might cause the esc to perceive an over steering situation and therefore apply the outer wheel brake on the front axle until the vehicle is perceived to be stable.
Risk: If the driver is slow to react during this esc intervention, the vehicle may deviate from the intended line of travel, increasing the risk of a crash.
Remedy: Mci will notify owners and replace the control module free of charge. The safety recall began on january 4, 2012. Owners may contact mci customer service at 1-800-241-2947.
NHTSA defect investigations
- PE17008Opened Nov 20, 2017Closed Aug 21, 2018
Tailpipe seperation resulting in fire
During the review of Motor Coach Industries (MCI) Early Warning Reporting (EWR) 2016 Q4 data, field reports were identified that described fires on 2 buses from different regions of the country.These fires were alleged to have occurred as a result of a loose clamp allowing the tailpipe to separate from the exhaust after treatment assembly.During exhaust after treatment regeneration high temperature gases were directed at the plastic rear bumper.Prior to the fires, there were no indications (such as soot trails) that the clamps were loose.When contacted, the fleet maintenance manager stated all…
Exhaust Bellows Pipe Fracture Recall
By letter dated April 15, 2013, Motor Coach Industries (MCI) notified the Office of Defects Investigation (ODI) of a safety defect that may exist in certain model year (MY) 2012 and 2013 MCI D-model coaches built from December 22, 2011 to May 19, 2012 equipped with the Cummins 2010 EPA ISX 12 Liter engine.These vehicles may have had an incorrect installation of the exhaust pipe.If installed incorrectly, the elbow pipe may prematurely fail and if a Diesel Particulate Filter regeneration event occurs, the hot exhaust gases could cause a fire, resulting in injury to persons and/or damage to prope…
MCI Drive Shaft Safety Loop Failures
In the fall of 2011, network contacts made ODI aware of four (4) incidents of drive shaft failure on the subject buses involving a loss of vehicle control.Two of the incidents were relatively low speed non-crash events; and two resulted in motor coach rollovers.All four events showed signs of a common failure mode.The incidents and crashes studied during this investigation all resulted from a series of complex events that began with the the yoke journal ears on the drive shafts fracturing.Once the drive shaft failed. it was not adequately contained by a drive shaft safety loop or structure.The…
- PE12007Opened Mar 21, 2012Closed Sep 20, 2012
MCI Driveshaft Safety Loop Failures
ODI has identified certain MCI coaches with powertrain configurations that may allow a driveshaft separated at the rearward universal joint to escape the guardian structure of the steerable tag axle and damage steering and braking components.The damaged components may increase the risk of a loss of vehicle control. The subject coaches include 806 model year 1992 through 2012 MCI D and E series motor coaches with steerable tag axles.This Preliminary Evaluation is being upgraded to an Engineering Analysis (EA12-007) to further study the alleged defect and to determine if a safety defect exists. …
Recent 2012 MCI D4505 complaints
Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.
No narrative complaints on file.
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Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 10, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology