Used car guide

2009 Fiat 500C diesel: common problems and MOT failures

What MOT testers find on the diesel Fiat 500C first registered in 2009 (diesel cars only): we looked at the 168 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

Small sample: there were only 168 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.

168MOTs of 2009 diesel cars, done in 2023–2025
53%pass first time (all 2009 cars: 59%)
5,800typical miles a year
3.3×the usual rate for shock absorbers

What goes wrong more than usual on a 2009 Fiat 500C diesel?

Parts flagged at MOT more often on the 2009 Fiat 500C diesel than on all cars registered in 2009.

  • Shock absorbers3.3× usual
    Fiat 500C
    23.2% All 2009 cars
    7.1%

    Failed outright at MOT: 7.7%, against 2% of all 2009 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.

Common 2009 Fiat 500C diesel MOT failures and advisories

The share of 2009 Fiat 500C diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    51% 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 electrics
    37% 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
    36% 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.

  • Tyres
    36% 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 leaks
    18% 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
    8% 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.

Questions to ask the seller before buying a 2009 Fiat 500C diesel

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

  1. Any recent work on the shock absorbers? (Flagged at MOT 3.3× as often on the 2009 Fiat 500C diesel as on other cars the same age.)
  2. Can I see the service history and receipts for any big jobs?

Looking at a Fiat 500C?

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 Fiat 500C compared

YearMOT testsMost flagged
20181,685Tyres 30%
20174,657Tyres 31%
20166,537Suspension 36%
20157,616Suspension 44%
20146,899Suspension 43%
20135,959Suspension 45%
20126,479Suspension 49%
20113,960Suspension 50%
20104,434Suspension 52%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Fiat 500C cars first registered in 2009. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score