2012 Mazda Bongo: common problems and MOT failures
What MOT testers find on the Mazda Bongo first registered in 2012: we looked at the 858 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 2012 Mazda Bongo?
Parts flagged at MOT more often on the 2012 Mazda Bongo than on all cars registered in 2012.
- Rust around suspension or steering mountings25.7× usualMazda Bongo15.4% All 2012 cars0.6%
Failed outright at MOT: 11.9%, against 0.2% of all 2012 cars. The rest were advisories or minor defects.
Rough price £100–£450 our estimateAt the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.
- Engine oil leaks2.8× usualMazda Bongo16.3% All 2012 cars5.8%
Failed outright at MOT: 0.3%, against 0.1% of all 2012 cars. The rest were advisories or minor defects.
Rough price £80–£600 our estimateAt the viewing: Look under the engine and where the car is usually parked for fresh oil. Ask whether the leak has been looked at.
- Body structure rust or damage32.3× usualMazda Bongo9.7% All 2012 cars0.3%
Failed outright at MOT: 3.8%, against 0.1% of all 2012 cars. The rest were advisories or minor defects.
Rough price £150–£1,000 our estimateAt the viewing: Look underneath and along the sills for flaky rust or fresh underseal hiding it.
- Headlights3.4× usualMazda Bongo13.4% All 2012 cars3.9%
Failed outright at MOT: 5.1%, against 2.7% of all 2012 cars. The rest were advisories or minor defects.
Rough price £40–£400 our estimateAt the viewing: Check both headlights on dipped and full beam, and look for cloudy or cracked lenses.
- Rear fog light13.1× usualMazda Bongo9.2% All 2012 cars0.7%
Failed outright at MOT: 8.7%, against 0.6% of all 2012 cars. The rest were advisories or minor defects.
Rough price £10–£80 our estimateAt the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.
Tread depth: 10.5% here, against 22.2% of all 2012 cars. Suspension arm bushes and joints: 2.8% here, against 8.9% of all 2012 cars.
Common 2012 Mazda Bongo MOT failures and advisories
The share of 2012 Mazda Bongo MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Suspension47% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Lights and electrics38% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Brakes33% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
- Tyres22% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
- Oil and fluid leaks19% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
- Rust and bodywork19% of testsRough price £150–£1,000
At the viewing: Check the sills, wheel arches and underneath for rust, and look along the panels for uneven gaps or paint.
Questions to ask the seller before buying a 2012 Mazda Bongo
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Any recent work on the rust around suspension or steering mountings? (Flagged at MOT 25.7× as often on the 2012 Mazda Bongo as on other cars the same age.)
- Any recent work on the engine oil leaks? (Flagged at MOT 2.8× as often on the 2012 Mazda Bongo as on other cars the same age.)
- Any recent work on the body structure rust or damage? (Flagged at MOT 32.3× as often on the 2012 Mazda Bongo as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Mazda Bongo?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the Mazda Bongo compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2021 | 172 | Lights and electrics 31% |
| 2020 | 364 | Lights and electrics 30% |
| 2019 | 369 | Lights and electrics 36% |
| 2018 | 484 | Lights and electrics 34% |
| 2017 | 674 | Suspension 38% |
| 2016 | 1,065 | Suspension 40% |
| 2015 | 1,159 | Suspension 40% |
| 2014 | 1,186 | Suspension 46% |
| 2013 | 993 | Suspension 45% |
| 2011 | 1,005 | Suspension 50% |
| 2010 | 1,177 | Suspension 49% |
| 2009 | 1,061 | Suspension 52% |
| 2008 | 1,416 | Suspension 53% |
| 2007 | 1,825 | Suspension 50% |
| 2006 | 1,793 | Suspension 51% |
| 2005 | 2,116 | Suspension 44% |
| 2004 | 1,638 | Suspension 39% |
| 2003 | 1,125 | Suspension 34% |
| 2002 | 1,534 | Suspension 33% |
| 2001 | 1,400 | Lights and electrics 38% |
| 2000 | 1,311 | Suspension 36% |
| 1999 | 1,306 | Suspension 40% |
| 1998 | 874 | Suspension 47% |
| 1997 | 1,313 | Suspension 52% |
| 1996 | 1,401 | Suspension 53% |
| 1995 | 1,136 | Suspension 54% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Mazda Bongo cars first registered in 2012. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score