Mercedes-Benz S-Class
Silver · Diesel · 2012 · 3,724 cc
K66 AECMOT history
K66 AEC is a silver diesel Mercedes-Benz S-Class first used on 27 Mar 2012. Its MOT is valid until 24 Aug 2027 and it has passed 13 of 17 MOT tests, with 312,469 miles recorded at the latest.
From DVSA MOT records, updated 25 Aug 2026.
- MOT
- Valid
- Until 24 Aug 2027
- Mileage
- 312,469 mi
- At MOT on 25 Aug 2026
- MOT tests
- 17
- 13 passed · 4 failed
- Per year
- 22,327 mi
- Average between MOTs
Vehicle details
- Registration
- K66 AEC
- Registration format
- Prefix (1983 to 2001)
- Make
- Mercedes-Benz
- Model
- S-Class
- Colour
- Silver
- Fuel type
- Diesel
- Engine size
- 3,724 cc
- Year of manufacture
- 2012
- First used
- 27 Mar 2012
- MOT status
- MOT valid until 24 Aug 2027
- Latest MOT test
- 25 Aug 2026 (Pass)
Mileage history
K66 AEC was last recorded at 312,469 miles on 25 Aug 2026, 5,387 miles more than at the previous MOT on 19 Jul 2025.
- Previous MOT
- 307,082 miles · 19 Jul 2025
- Between the last two tests
- 5,387 miles
- Average per year
- 22,327 miles
Recorded mileage by year
- 2026 – 312,469 miles
- 2025 – 307,082 miles
- 2024 – 293,411 miles
- 2023 – 284,347 miles
- 2022 – 271,134 miles
- 2021 – 250,332 miles
- 2020 – 242,493 miles
- 2019 – 223,340 miles
- 2018 – 200,796 miles
- 2017 – 176,144 miles
- 2016 – 135,067 miles
- 2015 – 85,644 miles
- 2014 – 41,609 miles
What the latest MOT found
Pass312,469 miles
- MinorNearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))Recorded at 4 MOTs since 2022
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.
Nearside Front Tyre worn close to legal limit/worn on edge
Advisory3 MOTs, 2021–2023
Nearside Front Wheel bearing has slight play
Advisory3 MOTs, 2018–2021
Offside Front Wheel bearing has slight play
Advisory3 MOTs, 2018–2021
Offside Front Tyre worn close to legal limit/worn on edge very low on inner edge
Advisory2 MOTs, 2022–2023
Nearside Rear Child Seat fitted not allowing full inspection of adult belt
Advisory2 MOTs, 2021
Offside Front Brake pipe corroded, covered in grease or other material
Advisory2 MOTs, 2021
Full MOT history
17 tests since 8 Jul 2014, newest first. Select a test to see every defect and advisory.
Pass312,469 miles (+5,387)1 minor
- MOT expiry
- 24 Aug 2027
- Odometer
- 312,469 miles
- Test number
- 456654133401
- MinorNearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))
Pass307,082 miles (+13,671)1 minor
- MOT expiry
- 13 Aug 2026
- Odometer
- 307,082 miles
- Test number
- 903204817376
- MinorNearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))
Pass293,411 miles (+9,064)1 minor2 advisories
- MOT expiry
- 13 Aug 2025
- Odometer
- 293,411 miles
- Test number
- 928123035687
- MinorNearside Front Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))
- AdvisoryNearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- AdvisoryOffside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Pass284,347 miles (+13,213)1 minor3 advisories
- MOT expiry
- 9 Aug 2024
- Odometer
- 284,347 miles
- Test number
- 710440099659
- MinorNearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))
- AdvisoryFront Brake pad(s) wearing thin (1.1.13 (a) (ii))
- 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 very low on inner edge (5.2.3 (e))
Pass271,134 miles (+20,802)1 minor4 advisories
- MOT expiry
- 5 Aug 2023
- Odometer
- 271,134 miles
- Test number
- 483631081721
- MinorNearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))
- AdvisoryFront Wheel bearing has slight play both sides (5.1.3 (a) (i))
- AdvisoryOffside Front Brake pipe corroded, covered in grease or other material slightly corroded (1.1.11 (c))
- AdvisoryOffside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))
- AdvisoryOffside Front Tyre worn close to legal limit/worn on edge very low on inner edge (5.2.3 (e))
Pass250,332 miles (+30)6 advisories
- MOT expiry
- 5 Aug 2022
- Odometer
- 250,332 miles
- Test number
- 322954162950
- AdvisoryNearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- AdvisoryNearside Front Wheel bearing has slight play (5.1.3 (a) (i))
- AdvisoryNearside Rear Child Seat fitted not allowing full inspection of adult belt
- AdvisoryOffside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- AdvisoryOffside Front Lower Suspension arm ball joint has slight play in track control arm (5.3.4 (a) (i))
- AdvisoryOffside Front Wheel bearing has slight play (5.1.3 (a) (i))
Fail250,302 miles (+7,809)2 major6 advisories
- MOT expiry
- No new certificate
- Odometer
- 250,302 miles
- Test number
- 320198543375
- MajorNearside Rear Brake pipe excessively corroded (1.1.11 (c))
- MajorOffside Rear Brake pipe excessively corroded (1.1.11 (c))
- AdvisoryNearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- AdvisoryNearside Front Wheel bearing has slight play (5.1.3 (a) (i))
- AdvisoryNearside Rear Child Seat fitted not allowing full inspection of adult belt
- AdvisoryOffside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- AdvisoryOffside Front Lower Suspension arm ball joint has slight play in track control arm (5.3.4 (a) (i))
- AdvisoryOffside Front Wheel bearing has slight play (5.1.3 (a) (i))
Pass242,493 miles
- MOT expiry
- 3 Aug 2021
- Odometer
- 242,493 miles
- Test number
- 926065456001
No defects or advisories recorded.
Fail242,493 miles (+19,153)1 repaired
- MOT expiry
- No new certificate
- Odometer
- 242,493 miles
- Test number
- 631930909615
- Repaired at testAnti-lock braking system warning lamp indicates an ABS fault (1.6 (b))
Pass223,340 miles (+22,544)
- MOT expiry
- 10 Jan 2021
- Odometer
- 223,340 miles
- Test number
- 917906448761
No defects or advisories recorded.
Pass200,796 miles (+97)3 advisories
- MOT expiry
- 10 Jul 2019
- Odometer
- 200,796 miles
- Test number
- 656167752416
- AdvisoryNearside Front Wheel bearing has slight play (5.1.3 (a) (i))
- AdvisoryOffside Front Wheel bearing has slight play (5.1.3 (a) (i))
- AdvisoryOil leak, but not excessive (8.4.1 (a) (i))
Fail200,699 miles (+24,555)1 dangerous4 major5 advisories
- MOT expiry
- No new certificate
- Odometer
- 200,699 miles
- Test number
- 877626641489
- DangerousFront Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii))
- MajorNearside Front Lower Suspension arm ball joint excessively worn marked yellow (5.3.4 (a) (i))
- MajorNearside Front Tyre has a bulge, caused by separation or partial failure of its structure inner sidewall (5.2.3 (d) (i))
- MajorOffside Front Lower Suspension arm ball joint excessively worn marked yellow (5.3.4 (a) (i))
- MajorOil leaking excessively from engine (8.4.1 (a) (i))
- AdvisoryFront Brake disc worn, pitted or scored, but not seriously weakened both sides worn (1.1.14 (a) (ii))
- AdvisoryNearside Front Tyre worn close to legal limit/worn on edge void of tread on edges (5.2.3 (e))
- AdvisoryNearside Rear Tyre worn close to legal limit/worn on edge on 1.6mm limit on centre of tread (5.2.3 (e))
- AdvisoryOffside Front Tyre worn close to legal limit/worn on edge void of tread on edges (5.2.3 (e))
- AdvisoryOffside Rear Tyre worn close to legal limit/worn on edge worn too 1.6mm limit on centre of tread (5.2.3 (e))
Pass176,144 miles (+582)
- MOT expiry
- 10 Jul 2018
- Odometer
- 176,144 miles
- Test number
- 603280168055
No defects or advisories recorded.
Fail175,562 miles (+40,495)3 failures4 advisories
- MOT expiry
- No new certificate
- Odometer
- 175,562 miles
- Test number
- 498452812074
- FailureNearside Side repeater not working (1.4.A.2c)
- FailureOffside rear parking brake recording little or no effort (3.7.B.6a)
- FailureParking brake: efficiency below requirements (3.7.B.7)
- AdvisoryFront Brake pad(s) wearing thin (3.5.1g)
- AdvisoryNearside Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
- AdvisoryOil leak
- AdvisoryN/s door mirror body damaged.
Pass135,067 miles (+49,423)2 advisories
- MOT expiry
- 7 Jul 2017
- Odometer
- 135,067 miles
- Test number
- 817715814505
- AdvisoryFront Tyre worn close to the legal limit both sides void of tread on inner edges (4.1.E.1)
- AdvisoryRear Brake pad(s) wearing thin (3.5.1g)
Pass85,644 miles (+44,035)
- MOT expiry
- 7 Jul 2016
- Odometer
- 85,644 miles
- Test number
- 226988085110
No defects or advisories recorded.
Pass41,609 miles
- MOT expiry
- 7 Jul 2015
- Odometer
- 41,609 miles
- Test number
- 898039984149
No defects or advisories recorded.
Questions about K66 AEC
- Does K66 AEC currently have a valid MOT?
- Yes. DVSA records show the MOT on K66 AEC is valid until 24 Aug 2027.
- When is the MOT due on K66 AEC?
- The MOT on K66 AEC is valid until 24 Aug 2027. It can be tested up to a month (minus a day) before then and keep the same renewal date.
- What mileage has K66 AEC done?
- K66 AEC was recorded at 312,469 miles at its MOT on 25 Aug 2026, an average of 22,327 miles a year.
- Has K66 AEC ever failed its MOT?
- Yes. K66 AEC has failed 4 of its 17 MOT tests, most recently on 3 Aug 2021.
- Has the mileage on K66 AEC 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 K66 AEC find?
- K66 AEC passed its latest MOT on 25 Aug 2026 with 1 minor defect: nearside front lower suspension arm ball joint dust cover severely deteriorated.
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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.