Smart EQ common problems and MOT failures
What goes wrong on a used Smart EQ, year by year: known faults from UK buying guides, the parts flagged at MOT more than on other cars (from 7,159 MOTs done during 2023–2025), and what to check before you buy one.
Pick the year
Most years have their own guide. The year is when the car was first registered (it’s on the logbook, or check the reg below).
What usually goes wrong with a Smart EQ?
We haven’t found widely reported faults for the Smart EQ in the UK buying guides we use yet. That doesn’t mean it has none, so check the car carefully and look at the MOT weak spots below.
Smart EQ MOT pass rate by year
Of the years since 2005 with plenty of MOT tests, the 2022 Smart EQ did best (91% passed first time, 2 points above all 2022 cars) and the 2020 did worst (88%, 1 point above all 2020 cars). Older cars fail more, so compare each year with all cars registered the same year.
Looking at a Smart EQ?
Check the actual car: its own MOT history and what to ask the seller. Free, no sign-up.
Where this comes from: MOT figures are the DVSA’s anonymised results for every MOT test done in Great Britain during 2023–2025, grouped by the year each car was first registered. How many are on the road is from the Department for Transport’s vehicle licensing statistics. Known faults are from UK buying guides, in our own words, with links. How we score