Mercedes-Benz logo

Mercedes-Benz SLK

White · Petrol · 2012 · 3,498 cc

JNJ 421MOT history

JNJ 421 is a white petrol Mercedes-Benz SLK first used on 6 Jul 2012. Its MOT is valid until 14 Mar 2027 and it has passed 12 of 16 MOT tests, with 38,633 miles recorded at the latest.

From DVSA MOT records, updated 11 Mar 2026.

JNJ 421 white Mercedes-Benz Slk – car details, MOT history and tax status
Illustration of a Mercedes-Benz Slk, not a photo of this vehicle
MOT
Valid
Until 14 Mar 2027
Mileage
38,633 mi
At MOT on 11 Mar 2026
MOT tests
16
12 passed · 4 failed
Per year
2,654 mi
Average between MOTs
Get reminders for JNJ 421 in the free Driver Codes app

Vehicle details

Registration
JNJ 421
Registration format
Dateless
Make
Mercedes-Benz
Model
SLK
Colour
White
Fuel type
Petrol
Engine size
3,498 cc
Year of manufacture
2012
First used
6 Jul 2012
MOT status
MOT valid until 14 Mar 2027
Latest MOT test
11 Mar 2026 (Pass)

Mileage history

JNJ 421 was last recorded at 38,633 miles on 11 Mar 2026, 2,520 miles more than at the previous MOT on 11 Mar 2025.

Odometer reading at each MOT testPassFail
Previous MOT
36,113 miles · 11 Mar 2025
Between the last two tests
2,520 miles
Average per year
2,654 miles

Recorded mileage by year

  • 2026 – 38,633 miles
  • 2025 – 36,113 miles
  • 2024 – 34,154 miles
  • 2023 – 32,594 miles
  • 2022 – 30,651 miles
  • 2021 – 28,066 miles
  • 2020 – 25,766 miles
  • 2019 – 23,368 miles
  • 2018 – 19,889 miles
  • 2017 – 16,133 miles
  • 2016 – 13,354 miles
  • 2015 – 10,264 miles

What the latest MOT found

Pass38,633 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.

  • Front registration plate character(s) incorrectly spaced (6.3.4a)

    Failure2 MOTs, 2015–2016

  • Rear registration plate character(s) incorrectly spaced (6.3.4a)

    Failure2 MOTs, 2015–2016

Full MOT history

16 tests since 3 Jul 2015, newest first. Select a test to see every defect and advisory.

  1. Pass38,633 miles (+2,520)
    MOT expiry
    14 Mar 2027
    Odometer
    38,633 miles
    Test number
    541014385973

    No defects or advisories recorded.

  2. Pass36,113 miles (+1,959)
    MOT expiry
    14 Mar 2026
    Odometer
    36,113 miles
    Test number
    688166750029

    No defects or advisories recorded.

  3. Pass34,154 miles (+1,560)
    MOT expiry
    14 Mar 2025
    Odometer
    34,154 miles
    Test number
    807321867271

    No defects or advisories recorded.

  4. Pass32,594 miles (+1,943)3 advisories
    MOT expiry
    7 Jul 2024
    Odometer
    32,594 miles
    Test number
    670320624132
    • AdvisoryFront Inner Brake disc worn, pitted or scored, but not seriously weakened corroded (1.1.14 (a) (ii))
    • AdvisoryFront Tyre slightly damaged/cracking or perishing both tread cracking and both edges badly cracking and worn (5.2.3 (d) (ii))
    • AdvisoryRear Inner Brake disc worn, pitted or scored, but not seriously weakened corroded (1.1.14 (a) (ii))

  5. Pass30,651 miles (+2,585)3 advisories
    MOT expiry
    6 Jul 2023
    Odometer
    30,651 miles
    Test number
    952094155701
    • AdvisoryFront Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
    • AdvisoryRear Brake disc worn, pitted or scored, but not seriously weakened Corrosion On Inner Faces (1.1.14 (a) (ii))
    • AdvisoryRear Subframe Has Corrosion On Surface

  6. Pass28,066 miles (+2,300)4 advisories
    MOT expiry
    6 Jul 2022
    Odometer
    28,066 miles
    Test number
    318909547798
    • AdvisoryNearside Front Suspension arm pin or bush worn but not resulting in excessive movement Leading Arm Inner Bush Cracking (5.3.4 (a) (i))
    • AdvisoryNearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
    • AdvisoryOffside Front Suspension arm pin or bush worn but not resulting in excessive movement Leading Arm Inner Bush Cracking (5.3.4 (a) (i))
    • AdvisoryOffside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

  7. Pass25,766 miles
    MOT expiry
    6 Jul 2021
    Odometer
    25,766 miles
    Test number
    992032189324

    No defects or advisories recorded.

  8. Fail25,766 miles (+2,398)1 major
    MOT expiry
    No new certificate
    Odometer
    25,766 miles
    Test number
    213355146958
    • MajorRegistration plate does not conform to the specified requirements Front and rear (0.1 (d))

  9. Pass23,368 miles (+3,479)
    MOT expiry
    6 Jul 2020
    Odometer
    23,368 miles
    Test number
    329727866895

    No defects or advisories recorded.

  10. Pass19,889 miles2 advisories
    MOT expiry
    6 Jul 2019
    Odometer
    19,889 miles
    Test number
    779516235089
    • AdvisoryFront tyres cracking between tread
    • AdvisoryRear tyres outer sidewalls cracking

  11. Fail19,889 miles (+3,756)2 major2 advisories
    MOT expiry
    No new certificate
    Odometer
    19,889 miles
    Test number
    853481881167
    • MajorFront Registration plate does not conform to the specified requirements (0.1 (d))
    • MajorRear Registration plate does not conform to the specified requirements (0.1 (d))
    • AdvisoryFront tyres cracking between tread
    • AdvisoryRear tyres outer sidewalls cracking

  12. Pass16,133 miles (+2,779)
    MOT expiry
    6 Jul 2018
    Odometer
    16,133 miles
    Test number
    278848263668

    No defects or advisories recorded.

  13. Pass13,354 miles
    MOT expiry
    6 Jul 2017
    Odometer
    13,354 miles
    Test number
    710380627624

    No defects or advisories recorded.

  14. Fail13,354 miles (+3,090)4 failures
    MOT expiry
    No new certificate
    Odometer
    13,354 miles
    Test number
    907243965106
    • FailureFront registration plate character(s) incorrectly spaced (6.3.4a)
    • FailureFront registration plate character(s) likely to be misread (6.3.4b)
    • FailureRear registration plate character(s) incorrectly spaced (6.3.4a)
    • FailureRear registration plate character(s) likely to be misread (6.3.4b)

  15. Pass10,264 miles
    MOT expiry
    6 Jul 2016
    Odometer
    10,264 miles
    Test number
    527214685110

    No defects or advisories recorded.

  16. Fail10,263 miles2 failures
    MOT expiry
    No new certificate
    Odometer
    10,263 miles
    Test number
    938044585107
    • FailureFront registration plate character(s) incorrectly spaced (6.3.4a)
    • FailureRear registration plate character(s) incorrectly spaced (6.3.4a)

Questions about JNJ 421

What vehicle is registration JNJ 421 currently assigned to?
DVSA MOT records show JNJ 421 on a white petrol Mercedes-Benz SLK first used on 6 Jul 2012. Dateless registrations can be transferred between vehicles, so earlier MOT tests may have been under a different registration. Registered keeper details are not public and are not shown.
Does JNJ 421 currently have a valid MOT?
Yes. DVSA records show the MOT on JNJ 421 is valid until 14 Mar 2027.
When is the MOT due on JNJ 421?
The MOT on JNJ 421 is valid until 14 Mar 2027. It can be tested up to a month (minus a day) before then and keep the same renewal date.
What mileage has JNJ 421 done?
JNJ 421 was recorded at 38,633 miles at its MOT on 11 Mar 2026, an average of 2,654 miles a year.
Has JNJ 421 ever failed its MOT?
Yes. JNJ 421 has failed 4 of its 16 MOT tests, most recently on 11 Jun 2020.
Has the mileage on JNJ 421 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 JNJ 421 find?
JNJ 421 passed its latest MOT on 11 Mar 2026 with no defects or advisories recorded.

Related registrations

Browse all JN 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.