2005 Acura MDX problems & reliability
180 owner complaints filed with NHTSA for the 2005 Acura MDX, alongside 11 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.
12 complaints report injuries (15 injured).
Federal crash records (FARS 2020–2023): 2005 Acura MDX vehicles were involved in 24 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 |
|---|---|---|
| Power Train | 87 | 48% |
| Air Bags | 39 | 22% |
| Electrical System | 18 | 10% |
| Electronic Stability Control (esc) | 11 | 6% |
| Service Brakes | 11 | 6% |
| Engine and Engine Cooling | 9 | 5% |
| Steering | 9 | 5% |
| Vehicle Speed Control | 9 | 5% |
| Engine | 7 | 4% |
| Seat Belts | 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 83,350 miles (middle 50% between 57,831 and 120,828 miles), based on 136 complaints that included mileage.
Complaints by incident year
What owners report
“The contact owns a 2005 Acura MDX. The contact stated that while driving at an undisclosed speed, the vehicle jerked and failed to accelerate as intended while depressing the accelerator pedal. The VSA (Vehicle Stability Assist) warning light was illuminated. The contact pulled over to the side of the road and turned…”
Electrical System · filed Jul 31, 2025
“VSA light came on and my braking system halts and make a weird vibration when I press brake to stop at stop light it like it make a grabbing noise. Not sure if it happen prior to light engaging. It has happen a handful of time since initial notice could have been onset from around 2019-2020 can’t remember as I looked…”
Unknown OR Other · filed May 31, 2024
“The contact owns a 2005 Acura MDX. The contact stated that after the battery had been replaced, both the front driver and front passenger seat belts failed to extend far enough to buckle an occupant into the seat. The vehicle was then taken to a dealer where the failure was acknowledged, and the contact was provided…”
Seat Belts · filed Apr 3, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Desiccated Air Bag Inflator Rupture
Engineering Analysis EA21002 · opened Sep 17, 2021 · open
- Air Bag Inflator Rupture
Engineering Analysis EA15001 · opened Feb 24, 2015 · open · led to recall 22V945
- Air Bag Inflator Rupture
Preliminary Evaluation PE14016 · opened Jun 11, 2014 · closed Mar 2, 2015 · led to recall 15V226000
- Vehicle Stability Assist Malfunction
Engineering Analysis EA13002 · opened Feb 21, 2013 · closed Mar 29, 2013 · led to recall 13V092000
- Ignition Interlock Failure - Rollaway
Preliminary Evaluation PE12026 · opened Oct 2, 2012 · closed Jan 14, 2013 · led to recall 12V573000
Technical service bulletins
98 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2005 Acura MDX. The 10 most recent:
Service Bulletin - Warranty Extension: Customer Support Program For Front Passenger's Airbag Inflator.
B18-023 · Service Bulletin/Repair Instructions · issued Jun 30, 2026
Service News - The navigation clock and date are incorrect. This is due to a limited GPS receiver capacity resulting in rollover of internal chip memory. The rollover occurred on January 1, 2022 at 12:00AM local time
B23040A · Service Bulletin/Repair Instructions · issued May 17, 2023
ServiceNews Article - The clock shows the incorrect time. This issue is due to a limited GPS receiver capacity resulting in "rollover" of the internal chip memory; the "rollover" will occur on January 1, 2022, at…
B21120A · Service Bulletin/Repair Instructions · issued Jan 25, 2022
These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB…
DOR-M3J3F-07 · Service Bulletin/Repair Instructions · issued Jun 3, 2020
Service Bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects…
B20-010 · Service Bulletin/Repair Instructions · issued Mar 10, 2020
Service Bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects…
B20-007 · Service Bulletin/Repair Instructions · issued Mar 10, 2020
Service bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects…
B18-025 · Service Bulletin/Repair Instructions · issued Jun 7, 2018
Service bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects…
B18-023 · Service Bulletin/Repair Instructions · issued Jun 1, 2018
Service bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects…
B18-018 · Service Bulletin/Repair Instructions · issued May 24, 2018
Sending vehicle data to tech line.
BJA46167 · Service Bulletin/Repair Instructions · issued Jan 1, 2017
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 2005 Acura MDX has 11 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 2005 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 83,350 miles — budget accordingly if the car is approaching that mileage.