Used car guide

2006 Smart Cabriolet: common problems and MOT failures

What MOT testers find on the Smart Cabriolet first registered in 2006: we looked at the 190 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

Small sample: there were only 190 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.

190MOTs of 2006 cars, done in 2023–2025
63%pass first time (all 2006 cars: 56%)
3,600typical miles a year
38%had brakes flagged

Common 2006 Smart Cabriolet MOT failures and advisories

The share of 2006 Smart Cabriolet MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Brakes
    38% 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.

  • Lights and electrics
    35% of testsRough price £10–£80

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

  • Suspension
    33% 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
    28% 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.

  • Wipers, windscreen and mirrors
    13% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Exhaust and emissions
    11% 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 2006 Smart Cabriolet

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

  1. Can I see the service history and receipts for any big jobs?

Looking at a Smart Cabriolet?

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 Cabriolet compared

YearMOT testsMost flagged
2012118Brakes 37%
2011169Tyres 31%
2010129Tyres 35%
2009166Brakes 38%
2008197Brakes 38%
2007134Brakes 39%
2005227Brakes 41%
2004264Lights and electrics 37%
2003403Brakes 35%
2002195Suspension 34%

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 Cabriolet cars first registered in 2006. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score