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Mercedes-Benz ML

Blue · Diesel · 2005 · 2,688 cc

S21 ONAMOT history

S21 ONA is a blue diesel Mercedes-Benz ML first used on 27 Jul 2005. Its MOT is valid until 29 Dec 2026 and it has passed 18 of 26 MOT tests, with 183,150 miles recorded at the latest.

From DVSA MOT records, updated 30 Dec 2025.

S21 ONA blue Mercedes-Benz Ml – car details, MOT history and tax status
Illustration of a Mercedes-Benz Ml, not a photo of this vehicle
MOT
Valid
Until 29 Dec 2026
Mileage
183,150 mi
At MOT on 30 Dec 2025
MOT tests
26
18 passed · 8 failed
Per year
9,117 mi
Average between MOTs
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Vehicle details

Registration
S21 ONA
Registration format
Prefix (1983 to 2001)
Make
Mercedes-Benz
Model
ML
Colour
Blue
Fuel type
Diesel
Engine size
2,688 cc
Year of manufacture
2005
First used
27 Jul 2005
MOT status
MOT valid until 29 Dec 2026
Latest MOT test
30 Dec 2025 (Pass)

Mileage history

S21 ONA was last recorded at 183,150 miles on 30 Dec 2025, 16,850 miles more than at the previous MOT on 11 Oct 2024.

Odometer reading at each MOT testPassFail
Previous MOT
166,300 miles · 11 Oct 2024
Between the last two tests
16,850 miles
Average per year
9,117 miles

Recorded mileage by year

  • 2025 – 183,150 miles
  • 2024 – 166,300 miles
  • 2023 – 154,559 miles
  • 2022 – 138,593 miles
  • 2020 – 131,315 miles
  • 2019 – 122,703 miles
  • 2018 – 108,891 miles
  • 2017 – 98,452 miles
  • 2016 – 87,173 miles
  • 2015 – 72,535 miles
  • 2014 – 61,742 miles
  • 2013 – 59,337 miles
  • 2012 – 54,949 miles
  • 2011 – 48,907 miles
  • 2010 – 41,745 miles
  • 2009 – 33,462 miles
  • 2008 – 23,626 miles

What the latest MOT found

Pass183,150 miles
  • AdvisoryPower steering component has slight seepage from a component rack (2.1.5 (a))
  • AdvisoryRear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

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.

  • Offside Front Brake pipe slightly corroded (3.6.B.2c)

    Advisory3 MOTs, 2015–2017

  • Nearside Front Tyre worn close to legal limit/worn on edge

    Advisory2 MOTs, 2018–2022

  • Offside Front Tyre worn close to legal limit/worn on edge

    Advisory2 MOTs, 2018–2022

  • Offside Rear Lower Suspension component ball joint has slight play

    Advisory2 MOTs, 2018

  • Oil light on

    Advisory2 MOTs, 2018

  • Offside Inner Track rod end ball joint has slight play (2.2.B.1f)

    Advisory2 MOTs, 2017

Full MOT history

26 tests since 1 Jul 2008, newest first. Select a test to see every defect and advisory.

  1. Pass183,150 miles (+16,850)2 advisories
    MOT expiry
    29 Dec 2026
    Odometer
    183,150 miles
    Test number
    854301324358
    • AdvisoryPower steering component has slight seepage from a component rack (2.1.5 (a))
    • AdvisoryRear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

  2. Pass166,300 miles (+163)
    MOT expiry
    10 Oct 2025
    Odometer
    166,300 miles
    Test number
    960857383991

    No defects or advisories recorded.

  3. Fail166,137 miles (+11,578)1 dangerous5 major2 advisories
    MOT expiry
    No new certificate
    Odometer
    166,137 miles
    Test number
    741318985725
    • DangerousNearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))
    • MajorNearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))
    • MajorNearside Rear Direction indicator incorrect colour (4.4.3 (a))
    • MajorNearside Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i))
    • MajorOffside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))
    • MajorOffside Rear Direction indicator incorrect colour (4.4.3 (a))
    • AdvisoryNearside Front Direction indicator slightly discoloured (4.4.3 (a))
    • AdvisoryOffside Front Direction indicator slightly discoloured (4.4.3 (a))

  4. Pass154,559 miles (+15,966)2 advisories
    MOT expiry
    5 Oct 2024
    Odometer
    154,559 miles
    Test number
    718452257380
    • AdvisoryAll direction indicators slightly discoloured ALL (4.4.3 (a))
    • AdvisoryFront Exhaust has a minor leak of exhaust gases (6.1.2 (a))

  5. Pass138,593 miles (+7,278)2 advisories
    MOT expiry
    5 Oct 2023
    Odometer
    138,593 miles
    Test number
    159388212353
    • 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))

  6. Pass131,315 miles (+8,612)
    MOT expiry
    1 Nov 2021
    Odometer
    131,315 miles
    Test number
    777546341671

    No defects or advisories recorded.

  7. Pass122,703 miles (+13,812)2 advisories
    MOT expiry
    1 Nov 2020
    Odometer
    122,703 miles
    Test number
    660222538480
    • AdvisoryFront Service brake fluctuating, but not excessively (1.2.1 (e))
    • AdvisoryRear Service brake fluctuating, but not excessively (1.2.1 (e))

  8. Pass108,891 miles (+173)2 advisories
    MOT expiry
    1 Nov 2019
    Odometer
    108,891 miles
    Test number
    761669547762
    • AdvisoryOffside Rear Lower Suspension component ball joint has slight play (5.3.4 (a) (i))
    • AdvisoryOil light on

  9. Fail108,718 miles (+10,266)2 dangerous5 major5 advisories
    MOT expiry
    No new certificate
    Odometer
    108,718 miles
    Test number
    982631876215
    • DangerousNearside Front Steering rack has excessive free play detected at the steering wheel to the extent that safe steering is affected (steering rack fitted) steering rack (2.3 (a) (ii))
    • DangerousOffside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))
    • MajorFront Upper Anti-roll bar pin or bush excessively worn x2 (5.3.4 (a) (i))
    • MajorNearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i))
    • MajorOffside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i))
    • MajorOffside Front Track rod end ball joint has excessive play (2.1.3 (b) (i))
    • MajorParking brake efficiency below requirements (1.4.2 (a) (i))
    • AdvisoryNearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
    • AdvisoryNearside Rear 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))
    • AdvisoryOffside Rear Lower Suspension component ball joint has slight play (5.3.4 (a) (i))
    • AdvisoryOil light on

  10. Pass98,452 miles (+72)2 advisories
    MOT expiry
    30 Oct 2018
    Odometer
    98,452 miles
    Test number
    836943296039
    • AdvisoryOffside Front Brake pipe slightly corroded (3.6.B.2c)
    • AdvisoryOffside Inner Track rod end ball joint has slight play (2.2.B.1f)

  11. Fail98,380 miles (+11,207)2 failures2 advisories
    MOT expiry
    No new certificate
    Odometer
    98,380 miles
    Test number
    225041686606
    • FailureNearside Inner Track rod end ball joint has excessive play (2.2.B.1f)
    • FailureOffside Rear coil spring broken (2.4.C.1a)
    • AdvisoryOffside Front Brake pipe slightly corroded (3.6.B.2c)
    • AdvisoryOffside Inner Track rod end ball joint has slight play (2.2.B.1f)

  12. Pass87,173 miles (+76)
    MOT expiry
    30 Oct 2017
    Odometer
    87,173 miles
    Test number
    284482039163

    No defects or advisories recorded.

  13. Fail87,097 miles (+14,562)2 failures
    MOT expiry
    No new certificate
    Odometer
    87,097 miles
    Test number
    769583334271
    • FailureNearside Front Track rod end ball joint has excessive play (2.2.B.1f)
    • FailureNearside Front front brake excessively fluctuating (3.7.B.3)

  14. Pass72,535 miles
    MOT expiry
    25 Oct 2016
    Odometer
    72,535 miles
    Test number
    164294815455

    No defects or advisories recorded.

  15. Fail72,535 miles (+1,257)1 failure1 repaired
    MOT expiry
    No new certificate
    Odometer
    72,535 miles
    Test number
    330458946938
    • FailureOffside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt (2.4.G.2)
    • Repaired at testOffside Headlamp aim too high (1.8)

  16. Pass71,278 miles2 advisories
    MOT expiry
    20 Aug 2016
    Odometer
    71,278 miles
    Test number
    888950393276
    • AdvisoryNearside Front Brake pipe slightly corroded (3.6.B.2c)
    • AdvisoryOffside Front Brake pipe slightly corroded (3.6.B.2c)

  17. Fail71,278 miles (+9,536)2 failures
    MOT expiry
    No new certificate
    Odometer
    71,278 miles
    Test number
    556172125266
    • FailureNearside Front wheel bearing has excessive play (2.5.A.3c)
    • FailureNearside Front wheel bearing rough when rotated (2.5.A.2)

  18. Pass61,742 miles (+2,405)
    MOT expiry
    20 Aug 2015
    Odometer
    61,742 miles
    Test number
    156240834223

    No defects or advisories recorded.

  19. Pass59,337 miles
    MOT expiry
    20 Aug 2014
    Odometer
    59,337 miles
    Test number
    315923213247

    No defects or advisories recorded.

  20. Fail59,337 miles (+4,388)1 failure
    MOT expiry
    No new certificate
    Odometer
    59,337 miles
    Test number
    316563813477
    • FailureOffside Track rod end ball joint has excessive play (2.2.B.1f)

  21. Pass54,949 miles (+6,042)
    MOT expiry
    20 Aug 2013
    Odometer
    54,949 miles
    Test number
    905944732256

    No defects or advisories recorded.

  22. Pass48,907 miles (+7,162)
    MOT expiry
    27 Jul 2012
    Odometer
    48,907 miles
    Test number
    215636981162

    No defects or advisories recorded.

  23. Pass41,745 miles (+60)2 advisories
    MOT expiry
    27 Jul 2011
    Odometer
    41,745 miles
    Test number
    354273490184
    • AdvisoryNearside Brake pipe slightly corroded (3.6.B.2c)
    • AdvisoryOffside Brake pipe slightly corroded (3.6.B.2c)

  24. Fail41,685 miles (+8,223)1 failure2 advisories
    MOT expiry
    No new certificate
    Odometer
    41,685 miles
    Test number
    632019480175
    • FailureOffside Rear coil spring incomplete (2.4.C.1a)
    • AdvisoryNearside Brake pipe slightly corroded (3.6.B.2c)
    • AdvisoryOffside Brake pipe slightly corroded (3.6.B.2c)

  25. Pass33,462 miles (+9,836)
    MOT expiry
    27 Jul 2010
    Odometer
    33,462 miles
    Test number
    952943809236

    No defects or advisories recorded.

  26. Pass23,626 miles
    MOT expiry
    27 Jul 2009
    Odometer
    23,626 miles
    Test number
    533583288102

    No defects or advisories recorded.

Questions about S21 ONA

Does S21 ONA currently have a valid MOT?
Yes. DVSA records show the MOT on S21 ONA is valid until 29 Dec 2026.
When is the MOT due on S21 ONA?
The MOT on S21 ONA is valid until 29 Dec 2026. It can be tested up to a month (minus a day) before then and keep the same renewal date.
What mileage has S21 ONA done?
S21 ONA was recorded at 183,150 miles at its MOT on 30 Dec 2025, an average of 9,117 miles a year.
Has S21 ONA ever failed its MOT?
Yes. S21 ONA has failed 8 of its 26 MOT tests, most recently on 4 Oct 2024.
Has the mileage on S21 ONA 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 S21 ONA find?
S21 ONA passed its latest MOT on 30 Dec 2025 with 2 advisories: power steering component has slight seepage from a component rack; rear sub-frame corroded but not seriously weakened.

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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.