2003 Smart City: common problems and MOT failures
What MOT testers find on the Smart City first registered in 2003: we looked at the 2,776 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 2003 Smart City?
Parts flagged at MOT more often on the 2003 Smart City than on all cars registered in 2003.
- Washers2.7× usualSmart City10.1% All 2003 cars3.8%
Failed outright at MOT: 10.1%, against 3.8% of all 2003 cars. The rest were advisories or minor defects.
Rough price £15–£60 our estimateAt the viewing: Test the wipers and washers on every speed.
- Exhaust emissions (catalyst)2.8× usualSmart City8.4% All 2003 cars3%
Failed outright at MOT: 8.2%, against 2.9% of all 2003 cars. The rest were advisories or minor defects.
Rough price £175–£900 (catalytic converter) ClickMechanicAt the viewing: Look for smoke when revving the warm engine and for engine or DPF warning lights.
- Individual direction indicators1.8× usualSmart City5.7% All 2003 cars3.2%
Failed outright at MOT: 2.1%, against 1.5% of all 2003 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.
- Side repeaters2.4× usualSmart City4% All 2003 cars1.7%
Failed outright at MOT: 1.8%, against 0.9% of all 2003 cars. The rest were advisories or minor defects.
Rough price £10–£80 our estimateAt the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Fuel cap8× usualSmart City2.4% All 2003 cars0.3%
Failed outright at MOT: 2.4%, against 0.3% of all 2003 cars. The rest were advisories or minor defects.
Rough price £150–£1,000 our estimateAt the viewing: Check the sills, wheel arches and underneath for rust, and look along the panels for uneven gaps or paint.
Rust around suspension or steering mountings: 1.1% here, against 6.2% of all 2003 cars. Windscreen: 1.7% here, against 4.1% of all 2003 cars.
Common 2003 Smart City MOT failures and advisories
The share of 2003 Smart City MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- 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.
- Brakes37% 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.
- Suspension36% 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.
- Tyres26% 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 leaks16% 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.
- Wipers, windscreen and mirrors16% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
Questions to ask the seller before buying a 2003 Smart City
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Any recent work on the washers? (Flagged at MOT 2.7× as often on the 2003 Smart City as on other cars the same age.)
- Any recent work on the exhaust emissions (catalyst)? (Flagged at MOT 2.8× as often on the 2003 Smart City as on other cars the same age.)
- Any recent work on the individual direction indicators? (Flagged at MOT 1.8× as often on the 2003 Smart City as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Smart City?
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 Smart City compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2012 | 136 | Brakes 34% |
| 2011 | 116 | Brakes 27% |
| 2010 | 243 | Brakes 33% |
| 2009 | 358 | Suspension 30% |
| 2008 | 284 | Brakes 37% |
| 2007 | 1,377 | Suspension 40% |
| 2006 | 1,686 | Suspension 38% |
| 2005 | 1,109 | Suspension 39% |
| 2004 | 2,009 | Lights and electrics 36% |
| 2002 | 1,861 | Lights and electrics 39% |
| 2001 | 516 | Brakes 35% |
| 2000 | 180 | Lights and electrics 39% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Smart City cars first registered in 2003. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score