Mercedes-Benz SLK
Silver · Petrol · 2007 · 1,796 cc
8521 UNMOT history
8521 UN is a silver petrol Mercedes-Benz SLK first used on 9 Jun 2007. Its MOT is valid until 3 Jul 2027 and it has passed 17 of 24 MOT tests, with 94,997 miles recorded at the latest.
From DVSA MOT records, updated 3 Jul 2026.
- MOT
- Valid
- Until 3 Jul 2027
- Mileage
- 94,997 mi
- At MOT on 3 Jul 2026
- MOT tests
- 24
- 17 passed · 7 failed
- Per year
- 2,496 mi
- Average between MOTs
Vehicle details
- Registration
- 8521 UN
- Registration format
- Dateless
- Make
- Mercedes-Benz
- Model
- SLK
- Colour
- Silver
- Fuel type
- Petrol
- Engine size
- 1,796 cc
- Year of manufacture
- 2007
- First used
- 9 Jun 2007
- MOT status
- MOT valid until 3 Jul 2027
- Latest MOT test
- 3 Jul 2026 (Pass)
Mileage history
8521 UN was last recorded at 94,997 miles on 3 Jul 2026, 0 miles more than at the previous MOT on 2 Jul 2026.
Mileage went down between tests
- 25 May 2011: 54,211 miles, lower than 54,847 miles on 2 Jun 2010.
A replacement instrument cluster, a recording error at the test or odometer tampering can cause this.
- Previous MOT
- 94,997 miles · 2 Jul 2026
- Between the last two tests
- 0 miles
- Average per year
- 2,496 miles
Recorded mileage by year
- 2026 – 94,997 miles
- 2025 – 94,616 miles
- 2024 – 94,146 miles
- 2023 – 93,497 miles
- 2022 – 92,984 miles
- 2021 – 90,777 miles
- 2020 – 88,272 miles
- 2019 – 84,817 miles
- 2018 – 80,476 miles
- 2017 – 78,080 miles
- 2016 – 74,044 miles
- 2015 – 71,158 miles
- 2014 – 67,221 miles
- 2013 – 64,028 miles
- 2012 – 60,428 miles
- 2011 – 54,214 miles
- 2010 – 54,847 miles
What the latest MOT found
Pass94,997 miles
- AdvisoryNearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))Recorded at 3 MOTs since 2025
- AdvisoryNearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))Recorded at 4 MOTs since 2024
- AdvisoryNearside Rear Upper Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))Recorded at 4 MOTs since 2024
- AdvisoryOffside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))Recorded at 4 MOTs since 2022
- AdvisoryOffside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))Recorded at 4 MOTs since 2024
- AdvisoryOffside Rear Upper Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))Recorded at 4 MOTs since 2024
- AdvisoryRear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))Recorded at 4 MOTs since 2024
- AdvisoryRear exhaust clamps corrodedRecorded at 4 MOTs since 2024
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 Rear Tyre worn close to the legal limit (4.1.E.1)
Advisory4 MOTs, 2014–2016
Nearside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
Advisory3 MOTs, 2014–2015
Nearside Rear Tyre worn close to legal limit/worn on edge 2mm
Advisory2 MOTs, 2019
Offside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
Advisory2 MOTs, 2014–2015
Exhaust has a minor leak of exhaust gases
Advisory2 MOTs, 2011
Nearside Rear Lower Suspension arm has slight play in a ball joint (2.4.G.2)
Advisory2 MOTs, 2011
Full MOT history
24 tests since 2 Jun 2010, newest first. Select a test to see every defect and advisory.
Pass94,997 miles8 advisories
- MOT expiry
- 3 Jul 2027
- Odometer
- 94,997 miles
- Test number
- 166709681673
- AdvisoryNearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- AdvisoryNearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryNearside Rear Upper Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryOffside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- AdvisoryOffside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryOffside Rear Upper Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryRear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryRear exhaust clamps corroded
Fail94,997 miles (+381)1 major8 advisories
- MOT expiry
- No new certificate
- Odometer
- 94,997 miles
- Test number
- 628034763391
- MajorNearside Front Shock absorbers has a serious fluid leak (5.3.2 (b))
- AdvisoryNearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- AdvisoryNearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryNearside Rear Upper Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryOffside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- AdvisoryOffside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryOffside Rear Upper Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryRear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryRear exhaust clamps corroded
Pass94,616 miles (+470)8 advisories
- MOT expiry
- 3 Jul 2026
- Odometer
- 94,616 miles
- Test number
- 701510175487
- AdvisoryNearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- AdvisoryNearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryNearside Rear Upper Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryOffside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- AdvisoryOffside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryOffside Rear Upper Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryRear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryRear exhaust clamps corroded
Pass94,146 miles (+649)6 advisories
- MOT expiry
- 2 Jul 2025
- Odometer
- 94,146 miles
- Test number
- 294068075687
- AdvisoryNearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryNearside Rear Upper Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryOffside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryOffside Rear Upper Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryRear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))
- AdvisoryRear exhaust clamps corroded
Pass93,497 miles (+513)
- MOT expiry
- 20 Jun 2024
- Odometer
- 93,497 miles
- Test number
- 488956241115
No defects or advisories recorded.
Pass92,984 miles1 advisory
- MOT expiry
- 18 Jun 2023
- Odometer
- 92,984 miles
- Test number
- 355997131070
- AdvisoryOffside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
Fail92,979 miles (+2,202)1 major1 advisory
- MOT expiry
- No new certificate
- Odometer
- 92,979 miles
- Test number
- 706166602761
- MajorOffside Rear Coil spring fractured or broken (5.3.1 (b) (i))
- AdvisoryOffside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
Pass90,777 miles (+2,505)
- MOT expiry
- 18 Jun 2022
- Odometer
- 90,777 miles
- Test number
- 669288218376
No defects or advisories recorded.
Pass88,272 miles (+2)
- MOT expiry
- 18 Jun 2021
- Odometer
- 88,272 miles
- Test number
- 418407283546
No defects or advisories recorded.
Fail88,270 miles (+3,453)1 dangerous2 major
- MOT expiry
- No new certificate
- Odometer
- 88,270 miles
- Test number
- 596098378861
- DangerousNearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))
- MajorAnti-lock braking system warning lamp indicates an ABS fault (1.6 (b))
- MajorNearside Front Coil spring fractured or broken (5.3.1 (b) (i))
Pass84,817 miles (+25)1 advisory
- MOT expiry
- 25 Dec 2020
- Odometer
- 84,817 miles
- Test number
- 504581223598
- AdvisoryNearside Rear Tyre worn close to legal limit/worn on edge 2mm (5.2.3 (e))
Fail84,792 miles (+4,316)3 major1 advisory
- MOT expiry
- No new certificate
- Odometer
- 84,792 miles
- Test number
- 678180415675
- MajorNearside Front Lower Suspension arm ball joint excessively worn control (steel) arm (5.3.4 (a) (i))
- MajorNearside Front Lower Suspension arm pin or bush excessively worn control (steel) arm (5.3.4 (a) (i))
- MajorOffside Front Lower Suspension arm pin or bush excessively worn control (steel) arm (5.3.4 (a) (i))
- AdvisoryNearside Rear Tyre worn close to legal limit/worn on edge 2mm (5.2.3 (e))
Pass80,476 miles (+2,396)1 advisory
- MOT expiry
- 24 Jun 2019
- Odometer
- 80,476 miles
- Test number
- 696609816034
- AdvisoryNearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Pass78,080 miles (+4,036)
- MOT expiry
- 24 Jun 2018
- Odometer
- 78,080 miles
- Test number
- 842557775938
No defects or advisories recorded.
Pass74,044 miles (+2,886)3 advisories
- MOT expiry
- 24 Jun 2017
- Odometer
- 74,044 miles
- Test number
- 496699551923
- AdvisoryNearside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement control arm (2.4.G.2)
- AdvisoryOffside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement control arm (2.4.G.2)
- AdvisoryOffside Rear Tyre worn close to the legal limit (4.1.E.1)
Pass71,158 miles (+3,937)6 advisories
- MOT expiry
- 24 Jun 2016
- Odometer
- 71,158 miles
- Test number
- 106920265119
- AdvisoryFront Anti-roll bar corroded but not seriously weakened (2.4.G.1)
- AdvisoryFront Anti-roll bar rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- AdvisoryNearside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- AdvisoryOffside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- AdvisoryOffside Rear Tyre worn close to the legal limit (4.1.E.1)
- AdvisoryRear Brake pipe slightly corroded (3.6.B.2c)
Pass67,221 miles (+4)3 advisories
- MOT expiry
- 24 Jun 2015
- Odometer
- 67,221 miles
- Test number
- 517246474152
- AdvisoryNearside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- AdvisoryOffside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- AdvisoryOffside Rear Tyre worn close to the legal limit (4.1.E.1)
Fail67,217 miles (+3,189)1 failure5 advisories5 notes
- MOT expiry
- No new certificate
- Odometer
- 67,217 miles
- Test number
- 627843434120
- FailureAnti-lock braking system warning lamp indicates an ABS fault (3.4.1c)
- AdvisoryNearside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- AdvisoryNearside Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
- AdvisoryNearside Rear rear brake fluctuating, but not excessively (3.7.B.3)
- AdvisoryOffside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- AdvisoryOffside Rear Tyre worn close to the legal limit (4.1.E.1)
- NoteArch liners fitted
- NoteEngine covers fitted obscuring some components in the engine bay
- NoteNearside rear brake binding slightly
- NoteScuttle panel filled with debris
- NoteUnder-trays fitted obscuring some underside components
Pass64,028 miles (+3,600)1 note
- MOT expiry
- 9 Jun 2014
- Odometer
- 64,028 miles
- Test number
- 318458853146
- NoteExhaust downpipe bracket fractured
Pass60,428 miles (+1)
- MOT expiry
- 9 Jun 2013
- Odometer
- 60,428 miles
- Test number
- 189366442120
No defects or advisories recorded.
Fail60,427 miles (+6,213)2 failures
- MOT expiry
- No new certificate
- Odometer
- 60,427 miles
- Test number
- 828294742163
- FailureCentre Exhaust has a major leak of exhaust gases (7.1.2)
- FailureNearside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.D.1a)
Pass54,214 miles (+3)2 advisories1 note
- MOT expiry
- 9 Jun 2012
- Odometer
- 54,214 miles
- Test number
- 415206541114
- AdvisoryExhaust has a minor leak of exhaust gases (7.1.2)
- AdvisoryNearside Rear Lower Suspension arm has slight play in a ball joint (2.4.G.2)
- NoteNail in nearside rear tyre
Fail54,211 miles (-636)2 failures1 repaired2 advisories1 note
- MOT expiry
- No new certificate
- Odometer
- 54,211 miles
- Test number
- 537435841141
- FailureOffside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
- FailureOffside Front coil spring incomplete (2.4.C.1a)
- Repaired at testWindscreen has a sticker or other obstruction encroaching by more than 10mm within zone 'A' (8.3.1b)
- AdvisoryExhaust has a minor leak of exhaust gases (7.1.2)
- AdvisoryNearside Rear Lower Suspension arm has slight play in a ball joint (2.4.G.2)
- NoteNail in nearside rear tyre
Pass54,847 miles1 advisory
- MOT expiry
- 9 Jun 2011
- Odometer
- 54,847 miles
- Test number
- 472943250163
- AdvisoryRear Exhaust has a minor leak of exhaust gases (7.1.2)
Questions about 8521 UN
- What vehicle is registration 8521 UN currently assigned to?
- DVSA MOT records show 8521 UN on a silver petrol Mercedes-Benz SLK first used on 9 Jun 2007. 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 8521 UN currently have a valid MOT?
- Yes. DVSA records show the MOT on 8521 UN is valid until 3 Jul 2027.
- When is the MOT due on 8521 UN?
- The MOT on 8521 UN is valid until 3 Jul 2027. It can be tested up to a month (minus a day) before then and keep the same renewal date.
- What mileage has 8521 UN done?
- 8521 UN was recorded at 94,997 miles at its MOT on 3 Jul 2026, an average of 2,496 miles a year.
- Has 8521 UN ever failed its MOT?
- Yes. 8521 UN has failed 7 of its 24 MOT tests, most recently on 2 Jul 2026.
- Has the mileage on 8521 UN ever gone down?
- Yes. The recorded mileage was lower than at the previous test once, first on 25 May 2011. This can be caused by a replacement instrument cluster, a recording error or odometer tampering.
- What did the latest MOT on 8521 UN find?
- 8521 UN passed its latest MOT on 3 Jul 2026 with 8 advisories: nearside front brake pipe corroded, covered in grease or other material; nearside rear lower suspension arm corroded but not seriously weakened; nearside rear upper suspension arm corroded but not seriously weakened, and 5 more.
Related 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.