Used car guide

2015 Renault Megane diesel: common problems and MOT failures

What MOT testers find on the diesel Renault Megane first registered in 2015 (diesel cars only): we looked at the 17,122 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

17,122MOTs of 2015 diesel cars, done in 2023–2025
58%pass first time (all 2015 cars: 74%)
9,000typical miles a year
4.4×the usual rate for shock absorbers

What goes wrong more than usual on a 2015 Renault Megane diesel?

Parts flagged at MOT more often on the 2015 Renault Megane diesel than on all cars registered in 2015.

  • Shock absorbers4.4× usual
    Renault Megane
    19.6% All 2015 cars
    4.5%

    Failed outright at MOT: 6%, against 0.9% of all 2015 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.

  • Brake discs1.9× usual
    Renault Megane
    23.2% All 2015 cars
    12.5%

    Failed outright at MOT: 3.3%, against 0.9% of all 2015 cars. The rest were advisories or minor defects.

    Rough price £150–£350 our estimate

    At the viewing: Look through the wheel at the brake disc: a deep lip at the edge or heavy scoring means they're worn. Feel for judder when braking.

  • Track rod ends3.7× usual
    Renault Megane
    10.7% All 2015 cars
    2.9%

    Failed outright at MOT: 6.6%, against 1.4% of all 2015 cars. The rest were advisories or minor defects.

    Rough price £50–£150 (one end, plus about £30–£50 if it needs a wheel alignment) ClickMechanic

    At the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.

  • Brake lights4.7× usual
    Renault Megane
    9.3% All 2015 cars
    2%

    Failed outright at MOT: 8.5%, against 1.6% of all 2015 cars. The rest were advisories or minor defects.

    Rough price £10–£80 our estimate

    At the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.

  • Anti-roll bar link joints7.4× usual
    Renault Megane
    8.1% All 2015 cars
    1.1%

    Failed outright at MOT: 3.1%, against 0.4% of all 2015 cars. The rest were advisories or minor defects.

    Rough price £60–£150 (one joint) ClickMechanic

    At the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.

Common 2015 Renault Megane diesel MOT failures and advisories

The share of 2015 Renault Megane diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    44% 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.

  • 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
    33% 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.

  • Lights and electrics
    29% of testsRough price £10–£80

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

  • Wipers, windscreen and mirrors
    8% of testsRough price £15–£250

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

  • Driveshafts and joints
    4% of testsRough price £60–£350

    At the viewing: On full steering lock, drive slowly and listen for clicking from the front wheels.

Known faults on the 2015 Renault Megane diesel

Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.

Questions to ask the seller before buying a 2015 Renault Megane diesel

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

  1. When was the timing belt last changed, and is there an invoice?
  2. Any recent work on the shock absorbers? (Flagged at MOT 4.4× as often on the 2015 Renault Megane diesel as on other cars the same age.)
  3. Any recent work on the brake discs? (Flagged at MOT 1.9× as often on the 2015 Renault Megane diesel as on other cars the same age.)
  4. Any recent work on the track rod ends? (Flagged at MOT 3.7× as often on the 2015 Renault Megane diesel as on other cars the same age.)
  5. Can I see the service history and receipts for any big jobs?

Looking at a Renault Megane?

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 Renault Megane compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023107Tyres 21%
20221,316Tyres 28%
20211,549Tyres 25%
20203,197Tyres 27%
20197,486Tyres 30%
20185,846Tyres 33%
201714,157Tyres 35%
201614,443Tyres 33%
201420,994Suspension 48%
201321,314Suspension 47%
201226,144Suspension 50%
201137,917Suspension 51%
201045,802Suspension 52%
200925,570Suspension 53%
200816,025Lights and electrics 52%
200717,266Lights and electrics 53%
200610,400Lights and electrics 55%
20056,462Brakes 50%
20043,295Brakes 49%
20032,344Brakes 46%
20024,388Lights and electrics 43%
20012,839Lights and electrics 41%
20001,156Lights and electrics 43%
1999363Lights and electrics 37%
1998216Brakes 39%
1997127Brakes 41%
1996–Too few tests

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Renault Megane cars first registered in 2015. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score