Used car guide

2021 Renault Megane: common problems and what to check

What gets flagged at MOT on 2021 Renault Meganes, from 788 tests in 2025, plus known faults and what to look at before you buy one.

788MOT tests in 2025
85%pass first time (all 2021 cars: 87%)
8,900typical miles a year
2×the usual rate for wipers

What stands out

Parts flagged at MOT more often on 2021 Renault Meganes than on all cars registered in 2021.

  • Wipers2× usual
    Renault Megane
    7.7% All 2021 cars
    3.8%

    Failed outright at MOT: 5.8%, against 2.4% of all 2021 cars. The rest were advisories or minor defects.

    Rough price £15–£60 our estimate

    At the viewing: Test the wipers and washers on every speed.

By area

The share of 2021 Renault Megane MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    26% 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.

  • Brakes
    12% 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.

  • Wipers, windscreen and mirrors
    9% of testsRough price £15–£250

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

  • Suspension
    5% 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
    3% of testsRough price £10–£80

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

  • Seats and seatbelts
    3% of testsRough price £80–£250

    At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.

Looking at a Renault Megane?

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Other years

YearMOT testsMost flagged
20221,296Tyres 28%
20201,049Tyres 27%
20192,489Tyres 31%
20181,929Tyres 32%
20174,699Tyres 35%
20164,758Suspension 33%
20156,255Suspension 48%
20146,723Suspension 52%
20136,683Suspension 51%
20128,007Suspension 52%
201111,251Suspension 53%
201013,202Suspension 53%
20096,994Suspension 54%
20083,949Lights and electrics 54%
20074,048Lights and electrics 54%
20062,319Lights and electrics 54%
20051,428Lights and electrics 50%
2004729Lights and electrics 49%
2003556Lights and electrics 45%
20021,110Lights and electrics 44%
2001715Lights and electrics 42%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2021 Renault Meganes registered in 2021. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score