2014 Acura MDX problems & reliability
169 owner complaints filed with NHTSA for the 2014 Acura MDX, alongside 8 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
5 complaints report injuries (9 injured).
Federal crash records (FARS 2020–2023): 2014 Acura MDX vehicles were involved in 26 fatal crashes with 8 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Steering | 38 | 22% |
| Electrical System | 27 | 16% |
| Engine | 26 | 15% |
| Power Train | 26 | 15% |
| Service Brakes | 26 | 15% |
| Vehicle Speed Control | 19 | 11% |
| Structure | 14 | 8% |
| Exterior Lighting | 13 | 8% |
| Unknown OR Other | 13 | 8% |
| Fuel/propulsion System | 7 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 29,000 miles (middle 50% between 7,200 and 54,411 miles), based on 103 complaints that included mileage.
Complaints by incident year
What owners report
“Recall/Campaign Reference: Rear subframe/rear suspension safety recall, ~880,000+ Acura MDX vehicles (MY 2014–2020), due to risk of rear suspension component failure causing loss of vehicle control. Complaint Narrative: I own a 2014 Acura MDX (VIN [XXX]) subject to Honda's rear subframe safety recall for suspension…”
Suspension · filed Jul 28, 2026
“I discovered my back taillight is foggy and the lights are not seen. Capital City Honda provided an estimate: driver side taillight assembly replacement. Foggy taillight assembly affecting brightness and visibility. Cost $639.99 I then discovered there is a recall for moisture getting into the taillight causing this…”
Structure · filed Jun 23, 2026
“OnXXX I was sold an “As is” vehicle under a Christmas special that was deemed unsafe to drive by a licensed mechanic a week later because of the rear subframe is bent from premature corrosion the dealer denied knowing anything about it but i submitted a case with FLHSMV because under the Florida Deceptive and Unfair…”
Steering · filed Jun 13, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
270 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2014 Acura MDX. The 10 most recent:
Service Bulletin - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work.
B25-003 · Service Bulletin/Repair Instructions · issued Sep 4, 2025
Service Bulletin - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work.
B25-026 · Service Bulletin/Repair Instructions · issued Jul 9, 2025
Service Bulletin - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work.
B25-003 · Service Bulletin/Repair Instructions · issued Jul 9, 2025
Owner Notification Letter - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work.
ONL6L806042025 Form · Other · issued Jun 5, 2025
Owner Notification Letter - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work.
ONL6L806042025 Letter · Other · issued Jun 5, 2025
Owner Notification Letter - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work.
ONL6M606032025 Form · Other · issued Jun 4, 2025
Owner Notification Letter - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work.
ONL6M606032025 Letter · Other · issued Jun 4, 2025
Service Bulletin - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work.
B25-026 · Service Bulletin/Repair Instructions · issued Apr 18, 2025
Service Bulletin - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work.
B25-003 · Service Bulletin/Repair Instructions · issued Apr 18, 2025
Service Bulletin - Drivers may experience a chirping sound coming from the engine area with the engine warmed up due to the high pressure fuel pump is making a chirp.
B16-008 · Service Bulletin/Repair Instructions · issued Sep 4, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2014 Acura MDX has 8 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2014 Acura MDX?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 29,000 miles — budget accordingly if the car is approaching that mileage.