2010 Fiat 500 diesel: common problems and MOT failures

What goes wrong more than usual on a 2010 Fiat 500 diesel?

Parts flagged at MOT more often on the 2010 Fiat 500 diesel than on all cars registered in 2010.

• Shock absorbers2.9× usual
  Fiat 500

  21% All 2010 cars

  7.2%

  Failed outright at MOT: 7.4%, against 2% of all 2010 cars. The rest were advisories or minor defects.

  Rough price £200–£300 (pair, average rear to front) ClickMechanic

  At the viewing: Push down hard on each corner. It should bounce once and settle. Look for oil on the shock absorber body.

• Coil springs1.9× usual
  Fiat 500

  20% All 2010 cars

  10.4%

  Failed outright at MOT: 1.1%, against 4.3% of all 2010 cars. The rest were advisories or minor defects.

  Rough price £175–£400 (pair, one axle) ClickMechanic

  At the viewing: Look behind each wheel for a snapped spring coil, and listen for a clunk or twang when turning the wheel lock to lock with the car stopped.

• Engine oil leaks1.8× usual
  Fiat 500

  16% All 2010 cars

  8.8%

  Failed outright at MOT: 0.2%, against 0.2% of all 2010 cars. The rest were advisories or minor defects.

  Rough price £80–£600 our estimate

  At the viewing: Look under the engine and where the car is usually parked for fresh oil. Ask whether the leak has been looked at.

• Headlights1.9× usual
  Fiat 500

  10.9% All 2010 cars

  5.7%

  Failed outright at MOT: 6.4%, against 3.4% of all 2010 cars. The rest were advisories or minor defects.

  Rough price £40–£400 our estimate

  At the viewing: Check both headlights on dipped and full beam, and look for cloudy or cracked lenses.

Common 2010 Fiat 500 diesel MOT failures and advisories

The share of 2010 Fiat 500 diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

• Suspension
  53% 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.

• Tyres
  35% 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.

• Lights and electrics
  34% of testsRough price £10–£80

  At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

• Brakes
  34% 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.

• Oil and fluid leaks
  19% 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.

• Exhaust and emissions
  14% of testsRough price £100–£1,200

  At the viewing: Look for black soot in the tailpipe, listen for blowing from the exhaust and check for engine or DPF warning lights.

Known faults on the 2010 Fiat 500 diesel

Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.

• Worn clutch (ex-learner cars)

  Manual gearbox

  Lots of 500s were driving school cars, which can wear the clutch early. Owners also report costly gearbox faults.

  At the viewing: On the test drive, accelerate hard in a high gear. If the revs rise without the car speeding up, the clutch is slipping. Notchy changes are another warning sign.

  If it needs doing: Clutch replacement, about £250–£600. ClickMechanic

  Source: What Car?: used Fiat 500 advice

• Several recalls by build date

  All engines

  There have been recalls for driveshafts, brakes, steering and lights, plus a fuel leak that could stall early cars built in autumn 2008.

  At the viewing: Ask a Fiat dealer to check the VIN for outstanding recalls.

  Source: What Car?: used Fiat 500 advice

• Warning lights and electrical faults

  All engines

  Owners often report dashboard warning lights and electrical gremlins.

  At the viewing: Make sure every warning light comes on and then goes out at start-up, and test the air con and electrics.

  Source: What Car?: used Fiat 500 advice

Questions to ask the seller before buying a 2010 Fiat 500 diesel

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

1. Has the clutch been replaced, and was it ever a driving school car?
2. Has all the recall work been done?
3. Have there been any electrical faults?
4. Any recent work on the shock absorbers? (Flagged at MOT 2.9× as often on the 2010 Fiat 500 diesel as on other cars the same age.)
5. Any recent work on the coil springs? (Flagged at MOT 1.9× as often on the 2010 Fiat 500 diesel as on other cars the same age.)
6. Any recent work on the engine oil leaks? (Flagged at MOT 1.8× as often on the 2010 Fiat 500 diesel as on other cars the same age.)