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SEAT Leon

Blue · Diesel · 2015 · 1,968 cc

T666 MROMOT history

T666 MRO is a blue diesel SEAT Leon first used on 9 Jan 2015. Its MOT is valid until 7 Jan 2027 and it has passed 9 of 12 MOT tests, with 155,706 miles recorded at the latest.

From DVSA MOT records, updated 8 Dec 2025.

MOT
Valid
Until 7 Jan 2027
Mileage
155,706 mi
At MOT on 8 Dec 2025
MOT tests
12
9 passed · 3 failed
Per year
9,941 mi
Average between MOTs
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Vehicle details

Registration
T666 MRO
Registration format
Prefix (1983 to 2001)
Make
SEAT
Model
Leon
Colour
Blue
Fuel type
Diesel
Engine size
1,968 cc
Year of manufacture
2015
First used
9 Jan 2015
MOT status
MOT valid until 7 Jan 2027
Latest MOT test
8 Dec 2025 (Pass)

Mileage history

T666 MRO was last recorded at 155,706 miles on 8 Dec 2025, 6,765 miles more than at the previous MOT on 8 Jan 2025.

Odometer reading at each MOT testPassFail
Previous MOT
148,941 miles · 8 Jan 2025
Between the last two tests
6,765 miles
Average per year
9,941 miles

Recorded mileage by year

  • 2025 – 155,706 miles
  • 2023 – 140,059 miles
  • 2022 – 118,843 miles
  • 2021 – 104,889 miles
  • 2019 – 87,298 miles
  • 2018 – 82,263 miles
  • 2017 – 76,096 miles

What the latest MOT found

Pass155,706 miles

No defects or advisories were recorded.

What MOT advisories mean

Recurring issues

Items recorded at more than one earlier MOT but not at the latest one. Repeat advisories can show maintenance that was put off.

  • Emissions test aborted (No emissions picked up by equipment.)

    Advisory2 MOTs, 2023

  • Front Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. 30%

    Advisory2 MOTs, 2023

  • Rear Registration plate lamp throwing direct white light to the rear

    Minor2 MOTs, 2023

  • Underbody covered.

    Advisory2 MOTs, 2023

  • Knocking and squealing noise when brakes appplied

    Advisory2 MOTs, 2018

Full MOT history

12 tests since 5 Dec 2017, newest first. Select a test to see every defect and advisory.

  1. Pass155,706 miles (+6,765)
    MOT expiry
    7 Jan 2027
    Odometer
    155,706 miles
    Test number
    374279112718

    No defects or advisories recorded.

  2. Pass148,941 miles
    MOT expiry
    7 Jan 2026
    Odometer
    148,941 miles
    Test number
    325482168184

    No defects or advisories recorded.

  3. Fail148,941 miles (+8,882)1 repaired
    MOT expiry
    No new certificate
    Odometer
    148,941 miles
    Test number
    614619099032
    • Repaired at testEngine MIL inoperative or indicates a malfunction (8.2.1.2 (h))
  4. Pass140,059 miles (+8,561)
    MOT expiry
    19 Nov 2024
    Odometer
    140,059 miles
    Test number
    898040299599

    No defects or advisories recorded.

  5. Pass131,498 miles (+32)1 minor3 advisories
    MOT expiry
    18 Feb 2024
    Odometer
    131,498 miles
    Test number
    671859683395
    • MinorRear Registration plate lamp throwing direct white light to the rear (4.7.1 (a))
    • AdvisoryEmissions test aborted (No emissions picked up by equipment.)
    • AdvisoryFront Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. 30% (1.2.1 (b) (i))
    • AdvisoryUnderbody covered.
  6. Fail131,466 miles (+12,623)1 major1 minor7 advisories
    MOT expiry
    No new certificate
    Odometer
    131,466 miles
    Test number
    488084297767
    • MajorRear Brakes imbalanced across an axle 42% (1.2.1 (b) (i))
    • MinorRear Registration plate lamp throwing direct white light to the rear (4.7.1 (a))
    • AdvisoryChild Seat fitted not allowing full inspection of adult belt N/s/f & O/s/r.
    • AdvisoryEmissions test aborted (No emissions picked up by equipment.)
    • AdvisoryFront Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. 30% (1.2.1 (b) (i))
    • AdvisoryNearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
    • AdvisoryOffside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
    • AdvisoryRear Brake pad(s) wearing thin (1.1.13 (a) (ii))
    • AdvisoryUnderbody covered.
  7. Pass118,843 miles (+13,954)
    MOT expiry
    18 Feb 2023
    Odometer
    118,843 miles
    Test number
    692822027921

    No defects or advisories recorded.

  8. Pass104,889 miles (+17,591)1 advisory
    MOT expiry
    18 Feb 2022
    Odometer
    104,889 miles
    Test number
    426392960924
    • AdvisoryTyre worn close to legal limit/worn on edge Both front (5.2.3 (e))
  9. Pass87,298 miles (+5,035)
    MOT expiry
    4 Dec 2020
    Odometer
    87,298 miles
    Test number
    224076145834

    No defects or advisories recorded.

  10. Pass82,263 miles1 advisory
    MOT expiry
    4 Dec 2019
    Odometer
    82,263 miles
    Test number
    955235576340
    • AdvisoryKnocking and squealing noise when brakes appplied
  11. Fail82,263 miles (+6,167)1 major1 advisory
    MOT expiry
    No new certificate
    Odometer
    82,263 miles
    Test number
    615233819257
    • MajorHazard warning switch inoperative (4.4.2 (a) (ii))
    • AdvisoryKnocking and squealing noise when brakes appplied
  12. Pass76,096 miles10 advisories
    MOT expiry
    4 Dec 2018
    Odometer
    76,096 miles
    Test number
    250054020736
    • AdvisoryEngine cover/s fitted
    • AdvisoryFront registration plate deteriorated but not likely to be misread Cracked (6.3.1d)
    • AdvisoryN/S/R tyre stepped and cracked
    • AdvisoryNearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
    • AdvisoryNearside Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
    • AdvisoryO/S/R tyre stepped and cracked
    • AdvisoryOffside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
    • AdvisoryOffside Rear Shock absorber has a light misting of oil (2.7.3)
    • AdvisoryOffside Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
    • AdvisoryUnder body protection fitted

Questions about T666 MRO

Does T666 MRO currently have a valid MOT?
Yes. DVSA records show the MOT on T666 MRO is valid until 7 Jan 2027.
When is the MOT due on T666 MRO?
The MOT on T666 MRO is valid until 7 Jan 2027. It can be tested up to a month (minus a day) before then and keep the same renewal date.
What mileage has T666 MRO done?
T666 MRO was recorded at 155,706 miles at its MOT on 8 Dec 2025, an average of 9,941 miles a year.
Has T666 MRO ever failed its MOT?
Yes. T666 MRO has failed 3 of its 12 MOT tests, most recently on 8 Jan 2025.
Has the mileage on T666 MRO ever gone down?
No. The odometer reading went up or stayed the same at every MOT test on record. Service records are still worth checking.
What did the latest MOT on T666 MRO find?
T666 MRO passed its latest MOT on 8 Dec 2025 with no defects or advisories recorded.

Browse all T666M registrations

Contains DVSA MOT history data, public sector information licensed under the Open Government Licence v3.0. Driver Codes is not affiliated with DVSA or DVLA.